anchor.diff:  , lsb-release
   , mkDerivation
   , pkgconfig
  -, qmake
   , qtbase
  -, qtsvg
   , qttools
   , sqlite
   , swig
  
positive.code:     doxygen
      lsb-release
      pkgconfig
      qmake
      qttools
      swig
    ];
  
negative.code:     libuv
      libzen
      qtbase
      sqlite
      unzip
      wget
  