giflib-dbg software package provides library for GIF images (debug), you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install giflib-dbg
giflib-dbg is installed in your system.
Make ensure the giflib-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep giflib-dbg *
You will get with giflib-dbg package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Debug packages |
| Package | giflib-dbg |
| Version | 4.1.6-10+deb7u1 |
| Description | library for GIF images (debug) |
| Sub Section | debug |