anchor.diff:      libogg
       libvorbis
       #phonon
  -    qt4
  +    python
  +    qt5
       readline
       taglib
       zlib
  
positive.code:     (cmFlag "WITH_PHONON" false)
      #WITH_QAUDIODECODER:BOOL=OFF
      #WITH_QML:BOOL=ON
      "-DWITH_QT4=ON"
      "-DWITH_QT5=OFF"
      (cmFlag "WITH_READLINE" (readline != null))
      (cmFlag "WITH_TAGLIB" (taglib != null))
      #WITH_UBUNTUCOMPONENTS:BOOL=OFF
  
negative.code: , libvorbis
  , mp4v2
  #, phonon
  , python
  , qt5
  , readline
  , taglib
  , zlib
  