From c4376c9d28f1282f502ed5279ee80ec5c4cb810d Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <stephen.hemminger@vyatta.com>
Date: Thu, 28 May 2009 15:29:10 -0700
Subject: [configure] Detect support for monotonic clock

Quagga has code to support monotonic clock to avoid issues where
time of day changes. The support was incomplete since it was not being
detected by autoconf.
---
 configure.ac | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 7cf30a80..c1f61824 100755
--- a/configure.ac
+++ b/configure.ac
@@ -1321,6 +1321,16 @@ AC_TRY_COMPILE([#include <sys/resource.h>
  AC_DEFINE(HAVE_RUSAGE,,rusage)],
  AC_MSG_RESULT(no))
 
+dnl --------------------------------------
+dnl checking for clock_time monotonic struct and call
+dnl --------------------------------------
+AC_CHECK_LIB(rt, clock_gettime,
+[AC_DEFINE(HAVE_MONOTONIC_CLOCK,, Have monotonic clock)
+ LIBS="$LIBS -lrt"]
+)
+
+
+
 dnl -------------------
 dnl capabilities checks
 dnl -------------------
-- 
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