--- libaitsched/src/aitsched.c	2014/01/28 13:17:33	1.24
+++ libaitsched/src/aitsched.c	2014/04/27 16:20:37	1.25
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitsched.c,v 1.24 2014/01/28 13:17:33 misho Exp $
+* $Id: aitsched.c,v 1.25 2014/04/27 16:20:37 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -102,7 +102,7 @@ schedRegisterHooks(sched_root_task_t * __restrict root
 	root->root_hooks.hook_add.read = sched_hook_read;
 	root->root_hooks.hook_add.write = sched_hook_write;
 	root->root_hooks.hook_add.alarm = sched_hook_alarm;
-#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME)
+#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME) && defined(HAVE_TIMER_DELETE)
 	root->root_hooks.hook_add.rtc = sched_hook_rtc;
 #endif
 	root->root_hooks.hook_add.node = sched_hook_node;