--- libaitsched/src/tasks.c	2014/01/28 13:17:33	1.23
+++ libaitsched/src/tasks.c	2014/02/01 14:06:08	1.23.4.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: tasks.c,v 1.23 2014/01/28 13:17:33 misho Exp $
+* $Id: tasks.c,v 1.23.4.1 2014/02/01 14:06:08 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -146,7 +146,7 @@ _sched_threadWrapper(sched_task_t *t)
 }
 #endif
 
-#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME)
+#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME) && defined(HAVE_TIMER_DELETE)
 void *
 _sched_rtcWrapper(sched_task_t *t)
 {
@@ -1381,7 +1381,7 @@ sched_task_t *
 schedRTC(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, struct timespec ts, 
 		void *opt_data, size_t opt_dlen)
 {
-#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME)
+#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME) && defined(HAVE_TIMER_DELETE)
 	sched_task_t *task;
 	void *ptr;