Language package managers take care of versioning/downloading the library from a central source into a project-specific place where the toolchain will find it.

Language package managers take care of versioning/downloading the library from a central source into a project-specific place where the toolchain will find it. AFAIK for C, this is handled by your linux distribution, and for any libraries that are not part of your distro you would be downloading the header and object files / pointing your Makefile at them by hand.