From 87d163db5ceff0ab760213ba901c552ea027ea1e Mon Sep 17 00:00:00 2001
From: Richard Purdie <richard@openedhand.com>
Date: Mon, 9 Jul 2007 21:56:06 +0000
Subject: [PATCH] Make the backend add_option function optional.

---
 ChangeLog                 | 5 +++++
 clutter/clutter-backend.c | 6 +++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 09fa00113..89903211e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-07-09  Richard Purdie  <rpurdie@openedhand.com>
+
+	* clutter/clutter-backend.c:
+	Make the backend add_option function optional.
+
 2007-07-09  Emmanuele Bassi  <ebassi@openedhand.com>
 
 	* clutter/clutter-behaviour-depth.h:
diff --git a/clutter/clutter-backend.c b/clutter/clutter-backend.c
index 9ac13e9e6..8b8edf8aa 100644
--- a/clutter/clutter-backend.c
+++ b/clutter/clutter-backend.c
@@ -107,9 +107,13 @@ void
 _clutter_backend_add_options (ClutterBackend *backend,
                               GOptionGroup   *group)
 {
+  ClutterBackendClass *klass;
+
   g_return_if_fail (CLUTTER_IS_BACKEND (backend));
 
-  CLUTTER_BACKEND_GET_CLASS (backend)->add_options (backend, group);
+  klass = CLUTTER_BACKEND_GET_CLASS (backend);
+  if (klass->add_options)
+    return klass->add_options (backend, group);
 }
 
 gboolean