libgnatcoll1.6-dev software package provides GNATColl, general purpose Ada library, 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 libgnatcoll1.6-dev
libgnatcoll1.6-dev is installed in your system.
Make ensure the libgnatcoll1.6-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgnatcoll1.6-dev *
You will get with libgnatcoll1.6-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Library development |
| Package | libgnatcoll1.6-dev |
| Version | 1.6gpl2014-6 |
| Description | GNATColl, general purpose Ada library |
| Sub Section | Libdevel |