Index: src/compositor.c
===================================================================
--- src/compositor.c	(revision 23151)
+++ src/compositor.c	(working copy)
@@ -2711,6 +2711,7 @@
 #endif /* HAVE_COMPOSITOR */
 }
 
+#ifdef HAVE_COMPOSITOR
 static void
 compositorSetCMSelection (ScreenInfo *screen_info, Window w)
 {
@@ -2729,8 +2730,8 @@
     /* Older property "COMPOSITING_MANAGER" */
     setAtomIdManagerOwner (display_info, COMPOSITING_MANAGER, screen_info->xroot, w);
 }
+#endif /* HAVE_COMPOSITOR */
 
-
 gboolean
 compositorManageScreen (ScreenInfo *screen_info)
 {