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Building on x86-bm-10.ocamllabs.io

(from ocaml/opam:debian-unstable@sha256:a20618cee40a09b4c7604919411db28c4ae473b9780730085f91824e8dd5f205)
Unable to find image 'ocaml/opam:debian-unstable@sha256:a20618cee40a09b4c7604919411db28c4ae473b9780730085f91824e8dd5f205' locally
docker.io/ocaml/opam@sha256:a20618cee40a09b4c7604919411db28c4ae473b9780730085f91824e8dd5f205: Pulling from ocaml/opam
f8f85475deda: Pulling fs layer
f8f85475deda: Verifying Checksum
f8f85475deda: Download complete
f8f85475deda: Pull complete
Digest: sha256:a20618cee40a09b4c7604919411db28c4ae473b9780730085f91824e8dd5f205
Status: Downloaded newer image for ocaml/opam@sha256:a20618cee40a09b4c7604919411db28c4ae473b9780730085f91824e8dd5f205
2022-09-02 11:27.56 ---> using "00583e82ec888c922d57db664b8acb62b642829c5a4a94b17a44e5693b1db2de" from cache

/: (user (uid 1000) (gid 1000))

/: (env OPAMPRECISETRACKING 1)

/: (env OPAMUTF8 never)

/: (env OPAMEXTERNALSOLVER builtin-0install)

/: (env OPAMCRITERIA +removed)

/: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2022-09-02 11:27.56 ---> using "f816199fc982412d3ea70ae1ae1bab135eea82bc7670ac5d731bc57d0733e3c4" from cache

/: (run (network host)
        (shell "rm -rf ~/opam-repository && git clone -q 'https://github.com/ocaml/opam-repository' ~/opam-repository && git -C ~/opam-repository checkout -q 418227c38ed4e28a0827786e5e9e50b9547c0b27"))
2022-09-02 11:27.56 ---> using "4cabcce7a0cb6de31986471b51abc9f1f3fec6a75be6e83e549da867c7605e5a" from cache

/: (run (shell "rm -rf ~/.opam && opam init -ya --bare --config ~/.opamrc-sandbox ~/opam-repository"))
Configuring from /home/opam/.opamrc-sandbox, then /home/opam/.opamrc, and finally from built-in defaults.
Checking for available remotes: rsync and local, git.
  - you won't be able to use mercurial repositories unless you install the hg command on your system.
  - you won't be able to use darcs repositories unless you install the darcs command on your system.


<><> Fetching repository information ><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised

User configuration:
  ~/.profile is already up-to-date.
[NOTE] Make sure that ~/.profile is well sourced in your ~/.bashrc.

2022-09-02 11:27.56 ---> using "d451da695ab21573c7bdead4176eec083b0218f568c4ccf5f5b38b162d64d4d7" from cache

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell "opam switch create --repositories=default '4.09' '4.09.1'"))

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "4.09.1"} | "ocaml-system" {= "4.09.1"}]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed base-bigarray.base
-> installed base-threads.base
-> installed base-unix.base
-> retrieved ocaml-base-compiler.4.09.1  (https://github.com/ocaml/ocaml/archive/4.09.1.tar.gz)
-> installed ocaml-base-compiler.4.09.1
-> installed ocaml-config.1
-> installed ocaml.4.09.1
Done.
# Run eval $(opam env --switch=4.09) to update the current shell environment
2022-09-02 11:27.56 ---> using "6ae44eda2d40b042b5058a752b0cc7277fe90db6f356e2baaad3cd08d0b0aed3" from cache

/: (run (network host)
        (shell "opam update --depexts"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian unstable InRelease [192 kB]
- Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB]
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-09-02-0804.09-F-2022-08-29-1405.22.pdiff [252 kB]
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2022-09-02-0804.09-F-2022-08-29-1405.22.pdiff [252 kB]
- Fetched 508 kB in 2s (264 kB/s)
- Reading package lists...
- 
2022-09-02 11:27.56 ---> using "6c9005c49d6ac2c7d897e8ab081679aa78ba5691640ba7636637df5dd55a9103" from cache

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell  "\
               \nopam remove -y \"acpc.1.2.3\"\
               \nopam install -vy \"acpc.1.2.3\"\
               \nres=$?\
               \nif [ $res = 31 ]; then\
               \n    if opam show -f x-ci-accept-failures: \"acpc.1.2.3\" | grep -q '\"debian-unstable\"'; then\
               \n        echo \"This package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\"\
               \n        exit 69\
               \n    fi\
               \nfi\
               \n\
               \n\
               \nexit $res\
               \n"))
[NOTE] acpc.1.2.3 is not installed.

Nothing to do.
The following actions will be performed:
=== install 20 packages
  - install acpc              1.2.3
  - install base-bytes        base   [required by fileutils]
  - install batteries         3.5.1  [required by acpc]
  - install conf-autoconf     0.1    [required by acpc]
  - install conf-gnuplot      0.1    [required by acpc]
  - install conf-which        1      [required by conf-autoconf]
  - install csexp             1.5.1  [required by dune-configurator]
  - install dolog             3.0    [required by acpc]
  - install dune              3.4.1  [required by parmap, fileutils, ocamlgraph, vector3]
  - install dune-configurator 3.4.1  [required by parmap]
  - install fileutils         0.6.3  [required by acpc]
  - install itv-tree          2.1    [required by acpc]
  - install num               1.4    [required by batteries]
  - install obuild            0.1.10 [required by acpc]
  - install ocamlbuild        0.14.1 [required by dolog, batteries, itv-tree]
  - install ocamlfind         1.9.5  [required by dolog, batteries, itv-tree]
  - install ocamlgraph        2.0.0  [required by acpc]
  - install parmap            1.2.4  [required by acpc]
  - install stdlib-shims      0.3.0  [required by fileutils, ocamlgraph]
  - install vector3           1.0.0  [required by acpc]

The following system packages will first need to be installed:
    autoconf gnuplot-x11

<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1[ERROR] These packages are still missing: autoconf gnuplot-x11


+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] These packages are still missing: autoconf gnuplot-x11

[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
[ERROR] These packages are still missing: autoconf gnuplot-x11

> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
- E: Unable to correct problems, you have held broken packages.
opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
[ERROR] These packages are still missing: autoconf gnuplot-x11

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
[ERROR] These packages are still missing: autoconf gnuplot-x11

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Attempt installation anyway, and permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf" "gnuplot-x11"
- E: Unable to correct problems, you have held broken packages.
[ERROR] System package install failed with exit code 100 at command:
            sudo apt-get install -qq -yy autoconf gnuplot-x11
+++ Timeout!! (1 hour) +++
+++ Job cancelled +++