--- libaitsched/src/hooks.c	2014/06/05 22:37:29	1.28
+++ libaitsched/src/hooks.c	2015/07/02 22:38:28	1.28.2.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: hooks.c,v 1.28 2014/06/05 22:37:29 misho Exp $
+* $Id: hooks.c,v 1.28.2.1 2015/07/02 22:38:28 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -88,7 +88,8 @@ _sched_threadWrapper(sched_task_t *t)
 }
 #endif
 
-#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME) && defined(HAVE_TIMER_DELETE)
+#if defined(HAVE_LIBRT) && defined(HAVE_TIMER_CREATE) && \
+	defined(HAVE_TIMER_SETTIME) && defined(HAVE_TIMER_DELETE)
 #if SUP_ENABLE == KQ_SUPPORT
 static void *
 _sched_rtcWrapper(sched_task_t *t)