Install gmsl by entering the following commands in the terminal:
sudo apt update sudo apt install gmsl
Description:
extra functions to extend functionality of GNU Makefiles
The GNU Make Standard Library (GMSL) is a collection of functions implemented using native GNU Make functionality that provide list and string manipulation, integer arithmetic, associative arrays, stacks, and debugging facilities. . Note that despite the name of this project, this library is NOT standard and is NOT written or distributed by the GNU project.
Homepage: http://gmsl.sourceforge.net/
Version: 1.1.7-1
Section: universe/devel