Ok, so I tried to build chocolate doom as well (on Debian WSL):

$ git clone --depth=1 https://github.com/chocolate-doom/chocolate-doom

$ cd c*doom; ls

Ok, there is a CMakeFile.txt, so it's probably a cmake project, so:

$ cmake .

Ok, that seems to work, but three libraries are missing, SDL2_Mixer, SDL2_Net and FluidSynth, so lets install them:

$ sudo apt install libsdl2-mixer-dev libsdl2-net-dev libfluidsynth-dev

Let's try again:

$ cmake .

Works, so now for compiling:

$ cmake --build . -j $(nproc)

Build completed in a few seconds first try.

I’m on macOS so sometimes things aren’t as easy :) I’ll give it another try.