anchor.diff:  
     phonon_backend_vlc = callPackage ../development/libraries/phonon-backend-vlc/qt4 {};
   
  -  phonon_qt5 = callPackage ../development/libraries/phonon/qt5 {
  -    qt5 = qt54;
  -  };
  -
  -  phonon_qt5_backend_gstreamer = callPackage ../development/libraries/phonon-backend-gstreamer/qt5 {
  -    qt5 = qt54;
  -  };
  -  phonon_qt5_backend_vlc = callPackage ../development/libraries/phonon-backend-vlc/qt5 {
  -    qt5 = qt54;
  -  };
  +  phonon_qt5 = callPackage ../development/libraries/phonon/qt5 { };
  +
  +  phonon_qt5_backend_gstreamer = callPackage ../development/libraries/phonon-backend-gstreamer/qt5 { };
  +
  +  phonon_qt5_backend_vlc = callPackage ../development/libraries/phonon-backend-vlc/qt5 { };
   
     physfs = callPackage ../development/libraries/physfs { };
   
  
positive.code: 
    printrun = callPackage ../applications/misc/printrun { };
  
    sddm = callPackage ../applications/display-managers/sddm {
      qt5 = qt54;
    };
  
    slim = callPackage ../applications/display-managers/slim {
      libpng = libpng12;
  
negative.code: 
    vlc_qt5 = vlc.override {
      qt4 = null;
      withQt5 = true;
      inherit qt5;
    };
  
    vmpk = callPackage ../applications/audio/vmpk { };
  