The D-Bus service files should not get installed if the daemon they
invoke is not installed either because it depends on the disabled
GTK.
gcr-base-$(GCR_MAJOR).pc: gcr-base.pc
cp gcr-base.pc gcr-base-$(GCR_MAJOR).pc
-service_in_files = \
+service_in_files =
+if WITH_GTK
+service_in_files +=
org.gnome.keyring.SystemPrompter.service.in \
org.gnome.keyring.PrivatePrompter.service.in
+endif
servicedir = $(DBUS_SERVICES_DIR)
service_DATA = $(service_in_files:.service.in=.service)