case $THIS_SUB_DEPENDS in
  AVAHI) echo "ZeroConf support requested, forcing avahi dependency."
         depends  avahi  'avahi=enabled'
         ;;
   GLIB) echo "GNOME support requested, forcing glib2 dependency."
         depends  glib2  'gsettings=enabled'
         ;;
      *) echo "Unknown sub-dependency $THIS_SUB_DEPENDS!"
         return 1
         ;;
esac
