libghc-gtk-dev-0.12.5.6-34d2a software package provides virtual package provided by libghc-gtk-dev, 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 libghc-gtk-dev-0.12.5.6-34d2a
libghc-gtk-dev-0.12.5.6-34d2a is installed in your system.
Make ensure the libghc-gtk-dev-0.12.5.6-34d2a package were installed using the commands given below,
$ sudo dpkg-query -l | grep libghc-gtk-dev-0.12.5.6-34d2a*
You will get with libghc-gtk-dev-0.12.5.6-34d2a package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Virtual packages |
| Package | libghc-gtk-dev-0.12.5.6-34d2a |
| Version | |
| Description | virtual package provided by libghc-gtk-dev |
| Sub Section | virtual |