anchor.diff:        done
         mkdir $out/bin
         makeWrapper $out/lib/gzdoom/gzdoom $out/bin/gzdoom
  +
  +      runHook postInstall
       '';
   
       meta = with lib; {
  
positive.code: 
      NIX_CFLAGS_LINK = "-lopenal -lfluidsynth";
  
      installPhase = ''
        install -Dm755 gzdoom "$out/lib/gzdoom/gzdoom"
        for i in *.pk3; do
          install -Dm644 "$i" "$out/lib/gzdoom/$i"
  
negative.code:       fetchSubmodules = true;
      };
  
      nativeBuildInputs = [ cmake makeWrapper pkg-config copyDesktopItems ];
      buildInputs = [
        SDL2
        libGL
  