examples: fix dependency on GDBus (it's available only in GLib >= 2.26)

2 files changed, 12 insertions, 0 deletions

diff --git a/examples/C/glib/monitor-nm-running-GDBus.c b/examples/C/glib/monitor-nm-running-GDBus.c
index 5cc7232449..42f9b75824 100644
--- a/examples/C/glib/monitor-nm-running-GDBus.c
+++ b/examples/C/glib/monitor-nm-running-GDBus.c
@@ -31,6 +31,7 @@
 
 #include <gio/gio.h>
 
+#if GLIB_CHECK_VERSION(2,26,0)
 static void
 on_name_appeared (GDBusConnection *connection,
                   const gchar     *name,
@@ -48,11 +49,13 @@ on_name_vanished (GDBusConnection *connection,
 {
 	g_print ("Name '%s' does not exist on the system bus => NM is not running\n", name);
 }
+#endif
 
 
 int
 main (int argc, char *argv[])
 {
+#if GLIB_CHECK_VERSION(2,26,0)
 	guint watcher_id;
 	GMainLoop *loop;
 	GBusNameWatcherFlags flags;
@@ -80,6 +83,9 @@ main (int argc, char *argv[])
 
 	/* Stop watching the name */
 	g_bus_unwatch_name (watcher_id);
+#else
+	g_print ("Sorry, you need at least GLib 2.26 for GDBus.\n");
+#endif
 
 	return 0;
 }
diff --git a/examples/C/glib/monitor-nm-state-GDBus.c b/examples/C/glib/monitor-nm-state-GDBus.c
index a3c5d8e131..22ff65b77a 100644
--- a/examples/C/glib/monitor-nm-state-GDBus.c
+++ b/examples/C/glib/monitor-nm-state-GDBus.c
@@ -34,6 +34,7 @@
 #include <string.h>
 #include <NetworkManager.h>
 
+#if GLIB_CHECK_VERSION(2,26,0)
 static const char *
 nm_state_to_string (NMState state)
 {
@@ -81,11 +82,13 @@ on_signal (GDBusProxy *proxy,
 		g_print ("NetworkManager state is: (%d) %s\n", new_state, nm_state_to_string ((NMState) new_state));
 	}
 }
+#endif
 
 
 int
 main (int argc, char *argv[])
 {
+#if GLIB_CHECK_VERSION(2,26,0)
 	GMainLoop *loop;
 	GError *error = NULL;
 	GDBusProxyFlags flags;
@@ -126,6 +129,9 @@ main (int argc, char *argv[])
 	g_main_loop_run (loop);
 
 	g_object_unref (proxy);
+#else
+	g_print ("Sorry, you need at least GLib 2.26 for GDBus.\n");
+#endif
 
 	return 0;
 }