From b869350ddda84d0d6953339843bebd25d18b8fba Mon Sep 17 00:00:00 2001
From: =?utf8?q?Bj=C3=B6rn=20Jacke?= <bj@sernet.de>
Date: Sat, 29 May 2010 01:39:16 +0200
Subject: [PATCH] s3: add m4 macro to check if stderr is empty or not

---
 source3/m4/aclocal.m4 | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/source3/m4/aclocal.m4 b/source3/m4/aclocal.m4
index 77224874f34..f7f3497a236 100644
--- a/source3/m4/aclocal.m4
+++ b/source3/m4/aclocal.m4
@@ -609,6 +609,19 @@ AC_DEFUN([AC_DISABLE_STATIC],
 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 AC_ENABLE_STATIC(no)])
 
+dnl AC_TRY_COMMAND_NO_STDERR - also fail if there is output on stderr
+AC_DEFUN( [AC_TRY_COMMAND_NO_STDERR],
+[
+	{ OUT=`($1) 3>&AS_MESSAGE_LOG_FD 2>&1 1>&3`
+	RC=$?
+	echo "\$?=$RC" >&AS_MESSAGE_LOG_FD
+	if test x"$OUT" != x ; then
+		echo "stderr:" >&AS_MESSAGE_LOG_FD
+		echo "$OUT" >&AS_MESSAGE_LOG_FD
+	fi
+	test $RC -eq 0 -a x"$OUT" = x ; }
+])
+
 dnl AC_TRY_RUN_STRICT(PROGRAM,CFLAGS,CPPFLAGS,LDFLAGS,
 dnl		[ACTION-IF-TRUE],[ACTION-IF-FALSE],
 dnl		[ACTION-IF-CROSS-COMPILING = RUNTIME-ERROR])
-- 
2.11.4.GIT