anchor.diff:    # install directory, so we add absolute paths here
     patches = [
       ./emuopts.patch
  -    # Make the parallel build reliable -- see https://github.com/mamedev/mame/pull/7279
  -    (fetchpatch {
  -      name = "fix-mame-parallel-build.patch";
  -      url = "https://github.com/mamedev/mame/commit/13a54fd4e8b8b1a4aad77671562b2d9ef3d82e1f.patch";
  -      sha256 = "1p4bszir9hcdjx6am58p48zh17rhjzlhx2baiacas7fnig61i02n";
  -    })
     ];
   
     postPatch = ''
  
positive.code:     owner = "mamedev";
      repo = "mame";
      rev = "mame${majorVersion}${minorVersion}";
      sha256 = "1z012fk7nlvxxixxcavmzc9443xli6i7xzz7fdf755g7v1cys7im";
    };
  
    hardeningDisable = [ "fortify" ];
  
negative.code: { stdenv, mkDerivation, fetchFromGitHub, makeDesktopItem, makeWrapper
  , python, pkgconfig, SDL2, SDL2_ttf, alsaLib, which, qtbase, libXinerama
  , libpcap, CoreAudioKit, ForceFeedback
  , installShellFiles }:
  