PKG_CHECK_MODULES(FRONTEND_CORE, gtk+-2.0 >= $GTK_REQUIRED libglade-2.0 gnome-vfs-2.0)
PKG_CHECK_MODULES(SHELL_CORE, libxml-2.0 >= $LIBXML_REQUIRED gtk+-2.0 >= $GTK_REQUIRED gnome-icon-theme >= $GNOME_ICON_THEME_REQUIRED gnome-vfs-2.0 libglade-2.0 gconf-2.0 gnome-keyring-1 >= $KEYRING_REQUIRED)
PKG_CHECK_MODULES(FRONTEND_CORE, gtk+-2.0 >= $GTK_REQUIRED libglade-2.0 gnome-vfs-2.0)
PKG_CHECK_MODULES(SHELL_CORE, libxml-2.0 >= $LIBXML_REQUIRED gtk+-2.0 >= $GTK_REQUIRED gnome-icon-theme >= $GNOME_ICON_THEME_REQUIRED gnome-vfs-2.0 libglade-2.0 gconf-2.0 gnome-keyring-1 >= $KEYRING_REQUIRED)