diff -up ntp-4.2.8p8/sntp/main.c.orig ntp-4.2.8p8/sntp/main.c
--- ntp-4.2.8p8/sntp/main.c.orig 2016-10-19 10:18:41.690800420 +0200
+++ ntp-4.2.8p8/sntp/main.c 2016-10-19 10:19:31.900966925 +0200
@@ -8,6 +8,10 @@
# include <event2/thread.h>
#endif
+#ifdef HAVE_SYSEXITS_H
+#include <sysexits.h>
+#endif
+
#include "main.h"
#include "ntp_libopts.h"
#include "kod_management.h"