graphicsmagick-dbg software package provides format-independent image processing - debugging symbols, 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 graphicsmagick-dbg
graphicsmagick-dbg is installed in your system.
Make ensure the graphicsmagick-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep graphicsmagick-dbg *
You will get with graphicsmagick-dbg package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Graphics |
| Package | graphicsmagick-dbg |
| Version | 1.3.23-1build1 |
| Description | format-independent image processing - debugging symbols |
| Sub Section | Graphics |