From c2528fef3b05bcffb1ac27c6c09cc3ff24b7f03f Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Tue, 13 Jun 2017 22:09:59 +0200
Subject: configure: Suppress expected compiler error message

---
 configure | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'configure')

diff --git a/configure b/configure
index ceb5394..4c2922d 100755
--- a/configure
+++ b/configure
@@ -5337,7 +5337,8 @@ fi
 # copy of those headers in Makerules.
 if test -n "$CXX"; then
   find_cxx_header () {
-    echo "#include <$1>" | $CXX -M -MP -x c++ - | sed -n "\,$1:,{s/:\$//;p}"
+    echo "#include <$1>" | $CXX -M -MP -x c++ - 2>/dev/null \
+	 | sed -n "\,$1:,{s/:\$//;p}"
   }
   CXX_CSTDLIB_HEADER="$(find_cxx_header cstdlib)"
   CXX_CMATH_HEADER="$(find_cxx_header cmath)"
-- 
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