anchor.diff:      categories = "Audio;AudioVideo;";
     };
   in mkDerivation rec {
  -  version = "2.4.0";
  +  version = "2.4.1";
     pname = "munt";
   
     src = fetchFromGitHub {
       owner = pname;
       repo = pname;
       rev = with stdenv.lib.versions; "libmt32emu_${major version}_${minor version}_${patch version}";
  -    sha256 = "0521i7js5imlsxj6n7181w5szfjikam0k4vq1d2ilkqgcwrkg6ln";
  +    sha256 = "0bszhkbz24hhx32f973l6h5lkyn4lxhqrckiwmv765d1sba8n5bk";
     };
   
     postInstall = ''
  
positive.code:   dontFixCmake = true;
  
    nativeBuildInputs = [ cmake ];
    buildInputs = [ qtbase alsaLib ];
  
    meta = with stdenv.lib; {
      description = "Multi-platform software synthesiser emulating Roland MT-32, CM-32L, CM-64 and LAPC-I devices";
  
negative.code: { stdenv, mkDerivation, fetchFromGitHub, cmake, qtbase, alsaLib, makeDesktopItem, libjack2 }:
  
  let
    desktopItem = makeDesktopItem rec {
  