anchor.diff:      libgudev
     ] ++ (if useFfmpeg then [ ffmpeg ] else [ patched_libav_12 ])
     ++ lib.optional useFdk fdk_aac;
  -
  -  dontUseCmakeConfigure = true;
   
     enableParallelBuilding = true;
   
  
positive.code:   });
  
    nativeBuildInputs = [
      cmake python2 pkgconfig yasm autoconf automake libtool m4
    ] ++ lib.optionals useGtk [ intltool wrapGAppsHook ];
  
    buildInputs = [
  
negative.code: }:
  
  stdenv.mkDerivation rec {
    # TODO: Release 1.2.0 would switch LibAV to FFmpeg.
    version = "1.1.0";
    name = "handbrake-${version}";
  
  