libocamlgraph-viewer-ocaml-dev software package provides graph library for OCaml, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libocamlgraph-viewer-ocaml-dev
libocamlgraph-viewer-ocaml-dev is installed in your system.
Make ensure the libocamlgraph-viewer-ocaml-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libocamlgraph-viewer-ocaml-dev*
You will get with libocamlgraph-viewer-ocaml-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Ocaml |
| Package | libocamlgraph-viewer-ocaml-dev |
| Version | 1.8.3-1build1 |
| Description | graph library for OCaml |
| Sub Section | Ocaml |