libgraphicsmagick1-dev software package provides format-independent image processing - C development files, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libgraphicsmagick1-dev
libgraphicsmagick1-dev is installed in your system.
Make ensure the libgraphicsmagick1-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgraphicsmagick1-dev *
You will get with libgraphicsmagick1-dev package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Library development |
| Package | libgraphicsmagick1-dev |
| Version | 1.3.23-1build1 |
| Description | format-independent image processing - C development files |
| Sub Section | Devel |