core: only enable location API for dbus-glib >= 0.86

configure.ac

@@ -113,6 +113,19 @@ esac
 
 NM_COMPILER_WARNINGS
 
+
+dnl
+dnl dbus-glib >= 0.86 is required for Location API support
+dnl
+with_location_api=no
+PKG_CHECK_MODULES(DBUS_GLIB, dbus-glib-1 >= 0.86, with_location_api="yes", with_location_api="no")
+if test x"$with_location_api" = xyes; then
+    AC_DEFINE(LOCATION_API, 1, [Define if you have dbus-glib 0.86 or higher])
+else
+    AC_MSG_WARN([dbus-glib >= 0.86 is required for Location API support])
+fi
+AM_CONDITIONAL(WITH_LOCATION_API, test "x$with_location_api" = "xyes")
+
 AC_CONFIG_FILES([
 Makefile
 marshallers/Makefile
@@ -140,4 +153,6 @@ echo Building PPP-enabled tests: ${have_pppd_headers}
 echo
 echo Building with PolicyKit support: ${with_polkit}
 echo
+echo Building with Location API support: ${with_location_api}
+echo
 

src/Makefile.am

@@ -50,6 +50,10 @@ auth_sources += \
 	mm-auth-provider-polkit.h
 endif
 
+loc_sources = \
+	mm-modem-location.c \
+	mm-modem-location.h
+
 modem_manager_SOURCES = \
 	main.c \
 	mm-callback-info.c \
@@ -88,8 +92,6 @@ modem_manager_SOURCES = \
 	mm-modem-gsm-sms.h \
 	mm-modem-simple.c \
 	mm-modem-simple.h \
-	mm-modem-location.c \
-	mm-modem-location.h \
 	mm-options.c \
 	mm-options.h \
 	mm-plugin.c \
@@ -120,9 +122,6 @@ mm-modem-gsm-network-glue.h: $(top_srcdir)/introspection/mm-modem-gsm-network.xm
 mm-modem-gsm-sms-glue.h: $(top_srcdir)/introspection/mm-modem-gsm-sms.xml
 	dbus-binding-tool --prefix=mm_modem_gsm_sms --mode=glib-server --output=$@ $<
 
-mm-modem-location-glue.h: $(top_srcdir)/introspection/mm-modem-location.xml
-	dbus-binding-tool --prefix=mm_modem_location --mode=glib-server --output=$@ $<
-
 BUILT_SOURCES = \
 	mm-manager-glue.h \
 	mm-modem-glue.h \
@@ -130,7 +129,17 @@ BUILT_SOURCES = \
 	mm-modem-cdma-glue.h \
 	mm-modem-gsm-card-glue.h \
 	mm-modem-gsm-network-glue.h \
-	mm-modem-gsm-sms-glue.h \
+	mm-modem-gsm-sms-glue.h
-	mm-modem-location-glue.h
+
+if WITH_LOCATION_API
+mm-modem-location-glue.h: $(top_srcdir)/introspection/mm-modem-location.xml
+	dbus-binding-tool --prefix=mm_modem_location --mode=glib-server --output=$@ $<
+
+modem_manager_SOURCES += $(loc_sources)
+
+BUILT_SOURCES += mm-modem-location-glue.h
+else
+EXTRA_DIST = $(loc_sources)
+endif
 
 CLEANFILES = $(BUILT_SOURCES)

src/mm-modem-location.c

@@ -314,6 +314,16 @@ mm_modem_location_get_type (void)
 
         g_type_interface_add_prerequisite (loc_type, G_TYPE_OBJECT);
         dbus_g_object_type_install_info (loc_type, &dbus_glib_mm_modem_location_object_info);
+
+        /* Register some shadow properties to handle Enabled and Capabilities
+         * since these could be used by other interfaces.
+         */
+        dbus_g_object_type_register_shadow_property (loc_type,
+                                                     "Enabled",
+                                                     MM_MODEM_LOCATION_ENABLED);
+        dbus_g_object_type_register_shadow_property (loc_type,
+                                                     "Capabilities",
+                                                     MM_MODEM_LOCATION_CAPABILITIES);
     }
 
     return loc_type;