Add a config makefile that can be set by the toplevel config.

allmakefiles.sh

@@ -355,6 +355,7 @@ webshell/embed/Makefile
 webshell/embed/xlib/Makefile
 webshell/embed/xlib/gtk/Makefile
 webshell/embed/xlib/motif/Makefile
+webshell/embed/gtk/mozilla_config.mk
 widget/Makefile
 widget/public/Makefile
 widget/src/Makefile

webshell/embed/gtk/mozilla_config.mk.in

@@ -0,0 +1,18 @@
+#
+# The contents of this file are subject to the Netscape Public License
+# Version 1.0 (the "NPL"); you may not use this file except in
+# compliance with the NPL.  You may obtain a copy of the NPL at
+# http://www.mozilla.org/NPL/
+#
+# Software distributed under the NPL is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+# for the specific language governing rights and limitations under the
+# NPL.
+#
+# The Initial Developer of this code under the NPL is Netscape
+# Communications Corporation.  Portions created by Netscape are
+# Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+# Reserved.
+#
+
+MOZ_TIMER_LIBS=@MOZ_TIMER_LIBS@