$ sudo apt-get update
$ sudo apt-get install gtkaml-dbg 

gtkaml-dbg is installed in your system.

Make ensure the gtkaml-dbg package were installed using the commands given below,

$ sudo dpkg-query -l | grep gtkaml-dbg *

You will get with gtkaml-dbg package name, version, architecture and description in a table

gtkaml-dbg package basic information: