diff --git a/include/crm_config.h.in b/include/crm_config.h.in
index 19a57be0f5..d5bc27f8a6 100755
--- a/include/crm_config.h.in
+++ b/include/crm_config.h.in
@@ -1,72 +1,75 @@
 /* crm_config.h.in */
 
 /* 
  * Copyright (C) 2006 - 2007
  *     Andrew Beekhof <andrew@beekhof.net>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
 #ifndef CRM_CONFIG__H__IN
 #define CRM_CONFIG__H__IN
 
 /* Pacemaker configuration */
 
 /* Current pacemaker version */
 #undef PACEMAKER_VERSION
 
 /* Build version */
 #undef BUILD_VERSION
 
 /* Set of enabled features */
 #undef CRM_FEATURES
 
 /* Where to keep CIB configuration files */
 #undef CRM_CONFIG_DIR
 
 /* Group to run Pacemaker daemons as */
 #undef CRM_DAEMON_GROUP
 
 /* User to run Pacemaker daemons as */
 #undef CRM_DAEMON_USER
 
 /* Where to keep state files and sockets */
 #undef CRM_STATE_DIR
 
 /* Location for the Pacemaker Relax-NG Schema */
 #undef CRM_DTD_DIRECTORY
 
 /* Current version of the Pacemaker Relax-NG Schema */
 #undef CRM_DTD_VERSION
 
 /* Where to keep PEngine outputs */
 #undef PE_STATE_DIR
 
 /* Support the Heartbeat messaging and membership layer */
 #undef SUPPORT_HEARTBEAT
 
 /* Support the Corosync messaging and membership layer */
 #undef SUPPORT_COROSYNC
 
+/* Does corosync use libqb for its ipc */
+#undef CS_USES_LIBQB
+
 /* Compatability alias for SUPPORT_COROSYNC */
 #undef SUPPORT_AIS
 
 /* Compatability alias for SUPPORT_COROSYNC */
 #undef AIS_COROSYNC
 
 /* Use g_hash_table compatibility functions */
 #undef USE_GHASH_COMPAT
 
 #endif /* CRM_CONFIG__H__IN */