anchor.diff:                     ++ optional cddaSupport "--enable-cdda"
                      ;
   
  -  nativeBuildInputs = [ pkgconfig perl ];
  +  nativeBuildInputs = [ pkgconfig perl which ];
   
     enableParallelBuilding = true;
   
  
positive.code: { stdenv, fetchurl, fetchFromGitHub, pkgconfig, perl, python3
  , libX11, libxcb, qt5, mesa
  , ffmpeg
  , libchardet
  
negative.code: 
  stdenv.mkDerivation rec {
    name = "bomi-${version}";
    version = "0.9.5";
  
    src = fetchFromGitHub {
      owner = "xylosper";
      repo = "bomi";
      rev = "v${version}";
      sha256 = "1pf82dp7v18yd7knsjl853sfzhq4rqc3sq15jgqiw37096gp0sll";
    };
  
    buildInputs = with stdenv.lib;
  