From: Florian Weimer <fweimer@redhat.com>
Date: Tue, 13 Jun 2017 20:09:59 +0000 (+0200)
Subject: configure: Suppress expected compiler error message
X-Git-Tag: glibc-2.26~359
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2528fef3b05bcffb1ac27c6c09cc3ff24b7f03f;p=thirdparty%2Fglibc.git

configure: Suppress expected compiler error message
---

diff --git a/ChangeLog b/ChangeLog
index efc78b5110f..c86ab8781c5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-06-13  Florian Weimer  <fweimer@redhat.com>
+
+	* configure.ac (find_cxx_header): Suppress compiler error message.
+
 2017-06-13  Florian Weimer  <fweimer@redhat.com>
 
 	* malloc/dynarray-skeleton.c: List begin/end as defined functions.
diff --git a/configure b/configure
index ceb53949baa..4c2922d882c 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="$(find_cxx_header cmath)"
diff --git a/configure.ac b/configure.ac
index d74bd4490c1..3f486d6df49 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1187,7 +1187,8 @@ AC_SUBST(CXX_SYSINCLUDES)
 # copy of those headers in Makerules.
 if test -n "$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)"