dnl Archive: libarchive
dnl Fancy: Webkit, curl, optionally libsoup-gnome
dnl Gdata: libgdata
-dnl Geolocation: libchamplain, libsoup
dnl Libravatar: libcurl
dnl Notification: optionally libnotify libindicate libcanberra_gtk hotkey
dnl Pdf-Viewer: libpoppler