anchor.diff:      libsndfile
       ninja
       portaudio
  +    portmidi
       qtbase
       qtdeclarative
       qtimageformats
  +    qtmultimedia
  +    qtquickcontrols2
  +    qtserialport
       qtsvg
       qttools
       qtwebsockets
  
positive.code:   libsndfile,
    ninja,
    portaudio,
    qtbase,
    qtdeclarative,
    qtimageformats,
    qtsvg,
    qttools,
    qtwebsockets,
  
negative.code:     "-DISCORE_BUILD_FOR_PACKAGE_MANAGER=True"
    ];
  
    preConfigure = ''
      export CMAKE_PREFIX_PATH="$CMAKE_PREFIX_PATH:$(echo "${jamomacore}/jamoma/share/cmake/Jamoma")"
    '';
  
    postInstall = ''rm $out/bin/i-score.sh'';
  
    meta = {
      description = "An interactive sequencer for the intermedia arts";
  