--- metacity-2.28.0/src/core/bell.c	2009-09-09 04:55:35.000000000 +0800

+++ /backup/jtan/bell.c	2009-12-23 17:18:47.623372430 +0800

@@ -310,15 +310,20 @@

       ca_proplist_destroy (p);

-      if (res != CA_SUCCESS && res != CA_ERROR_DISABLED)

-        {      

+      XkbForceBell(display->xdisplay, xkb_bell_event->percent);

+

+

+      //if (res != CA_SUCCESS && res != CA_ERROR_DISABLED)

+      //{      

           /* ...and in case that failed we use the classic X11 bell. */

+	  /*

           XkbForceDeviceBell (display->xdisplay, 

                               xkb_bell_event->device, 

                               xkb_bell_event->bell_class, 

                               xkb_bell_event->bell_id, 

                               xkb_bell_event->percent);

-        }

+	  */

+       //}

     }

 }

 #endif /* HAVE_XKB */

diff -ruN metacity-2.28.1.orig/src/core/delete.c metacity-2.28.1/src/core/delete.c

--- metacity-2.28.1.orig/src/core/delete.c	2010-02-02 06:39:27.349000933 +0000

+++ metacity-2.28.1/src/core/delete.c	2010-02-02 06:40:26.190105767 +0000

@@ -38,6 +38,7 @@

 #include <string.h>

 #include <stdlib.h>

 #include <stdio.h>

+#include <sys/wait.h>

 static void meta_window_present_delete_dialog (MetaWindow *window,

                                                guint32     timestamp);