gpsd: dbus interface requires dbus-glib

gpsd uses dbus-glib as the dbus interface, so it should only be built if
libglib2 has been selected.  To simplify things, build dbus support only
if dbus-glib is selected.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/gpsd/Config.in

@@ -8,6 +8,8 @@ config BR2_PACKAGE_GPSD
 	  making all data on the location/course/velocity of the sensors
 	  available to be queried on TCP port 2947 of the host computer.
 
+	  The D-Bus interface is included if dbus-glib is enabled.
+
 	  http://gpsd.berlios.de/
 
 config BR2_PACKAGE_GPSD_DEVICES

package/gpsd/gpsd.mk

@@ -30,9 +30,9 @@ ifeq ($(BR2_PACKAGE_LIBUSB),y)
 	GPSD_DEPENDENCIES += libusb
 endif
 
-ifeq ($(strip $(BR2_PACKAGE_DBUS)),y)
+ifeq ($(BR2_PACKAGE_DBUS_GLIB),y)
 	GPSD_CONF_OPT += --enable-dbus
-	GPSD_DEPENDENCIES += dbus dbus-glib
+	GPSD_DEPENDENCIES += dbus-glib
 endif
 
 ifeq ($(BR2_PACKAGE_NCURSES),y)