--- /dev/null
+/* $Id: ex_interface.h 3782 2007-07-14 09:11:06Z mquinson $ */
+
+/* backtrace_dummy -- stubs of this module for non-supported archs */
+
+/* Copyright (c) 2003-2008, Da SimGrid team. All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "xbt/ex.h"
+#include "xbt/ex_private.h"
+
+/* Module creation/destruction */
+void xbt_backtrace_init(void) { }
+
+void xbt_backtrace_exit(void) { }
+
+/* create a backtrace in the given exception */
+void xbt_ex_setup_backtrace(xbt_ex_t *e) { }
+