libgtk2-gst software package provides GTK+ bindings and environment for GNU Smalltalk, 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 libgtk2-gst
libgtk2-gst is installed in your system.
Make ensure the libgtk2-gst package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgtk2-gst *
You will get with libgtk2-gst package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Interpreters |
| Package | libgtk2-gst |
| Version | 3.2.4-2.1 |
| Description | GTK+ bindings and environment for GNU Smalltalk |
| Sub Section | Interpreters |