Downloaded from
https://github.com/dajhorn/SoftEtherVPN/commit/9a8538a6f2287fe8bebd0a7185de408e31e5a7df

Fixes
http://autobuild.buildroot.net/results/48f/48f778a891e0bf6a60ed2e4bec057c338ec25ec9/
and many others

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>


From 9a8538a6f2287fe8bebd0a7185de408e31e5a7df Mon Sep 17 00:00:00 2001
From: Darik Horn <dajhorn@vanadac.com>
Date: Thu, 5 Jun 2014 21:02:02 -0400
Subject: [PATCH] Add an explicit autoconf check for librt.

The realtime extensions library is not automatically linked on Debian ARM
platforms, so do an AC_CHECK_LIB for it in the configuration macro.
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 165623a..6f85393 100644
--- a/configure.ac
+++ b/configure.ac
@@ -60,6 +60,7 @@ CC="$PTHREAD_CC"
 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
 LIBS="$PTHREAD_LIBS $LIBS"
 
+AC_CHECK_LIB([rt],[clock_gettime])
 
 AX_CHECK_OPENSSL([
 	AC_SUBST(OPENSSL_LIBS)