anchor.diff:  , libopenshot-audio, imagemagick, ffmpeg_3
   , swig, python3
   , unittest-cpp, cppzmq, zeromq
  -, qtbase, qtmultimedia }:
  +, qtbase, qtmultimedia
  +, llvmPackages
  +}:
   
   with stdenv.lib;
   stdenv.mkDerivation rec {
  
positive.code: 
    buildInputs =
    [ imagemagick ffmpeg_3 swig python3 unittest-cpp
      cppzmq zeromq qtbase qtmultimedia ];
  
    LIBOPENSHOT_AUDIO_DIR = libopenshot-audio;
    "UNITTEST++_INCLUDE_DIR" = "${unittest-cpp}/include/UnitTest++";
  
negative.code:     '';
      license = with licenses; gpl3Plus;
      maintainers = with maintainers; [ AndersonTorres ];
      platforms = with platforms; unix;
    };
  }
  