Install libgst-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libgst-dev
Description:
GNU Smalltalk virtual machine development files
This package contains static library and headers files for the GNU Smalltalk virtual machine. . For more information on GNU Smalltalk see the gnu-smalltalk package.
Homepage: http://smalltalk.gnu.org
Version: 3.2.5-1.1
Section: universe/libdevel