anchor.diff:      libxklavier
       pam
       polkit
  -  ] ++ optional withQt4 qt4
  -    ++ optional withQt5 qtbase;
  +  ] ++ optional withQt5 qtbase;
   
     patches = [
       # Adds option to disable writing dmrc files
  
positive.code: , gobject-introspection
  , vala
  , fetchpatch
  , withQt4 ? false
  , qt4
  , withQt5 ? false
  , qtbase
  , yelp-tools
  
negative.code:     "--sysconfdir=/etc"
      "--disable-tests"
      "--disable-dmrc"
    ] ++ optional withQt5 "--enable-liblightdm-qt5";
  
    installFlags = [
      "sysconfdir=${placeholder "out"}/etc"
  