From e35f638c685ac49bb5ba0a60ce221f2bb6ae07f0 Mon Sep 17 00:00:00 2001
From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Date: Fri, 27 May 2016 22:48:48 +0200
Subject: configure.ac: check for secure_getenv where available and always
 enable system extensions

---
 configure.ac | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 4410b28434..c195d2faa3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,6 +46,8 @@ AM_PROG_CC_C_O
 AC_PROG_YACC
 AC_PROG_SED
 
+AC_USE_SYSTEM_EXTENSIONS
+
 AC_ARG_ENABLE(doc,
   AS_HELP_STRING([--disable-doc], [don't generate any documentation]),
     enable_doc=$enableval, enable_doc=yes)
@@ -229,7 +231,7 @@ fi
 
 AM_CONDITIONAL(HAVE_FORK, test "$ac_cv_func_fork" != "no")
 
-AC_CHECK_FUNCS([__register_atfork],,)
+AC_CHECK_FUNCS([__register_atfork secure_getenv],,)
 
 AC_LIB_HAVE_LINKFLAGS(rt,, [#include <time.h>
 #include <signal.h>
-- 
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