libgetopt-ocaml-dev software package provides command line parsing library for OCaml, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libgetopt-ocaml-dev
libgetopt-ocaml-dev is installed in your system.
Make ensure the libgetopt-ocaml-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgetopt-ocaml-dev *
You will get with libgetopt-ocaml-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Ocaml |
| Package | libgetopt-ocaml-dev |
| Version | 0.0.20040811-10+b4 [amd64, arm |
| Description | command line parsing library for OCaml |
| Sub Section | Ocaml |