libgraphicsmagick-dev software package provides virtual package provided by libgraphicsmagick1-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 libgraphicsmagick-dev
libgraphicsmagick-dev is installed in your system.
Make ensure the libgraphicsmagick-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgraphicsmagick-dev*
You will get with libgraphicsmagick-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Virtual packages |
| Package | libgraphicsmagick-dev |
| Version | |
| Description | virtual package provided by libgraphicsmagick1-dev |
| Sub Section | virtual |