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authorJoseph Myers <joseph@codesourcery.com>2012-10-10 22:07:36 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-10-10 22:07:36 +0000
commit1e4a95361c71e8073f448012c3eeb6f09cc9a814 (patch)
tree0813309debec083cc2e7699073e9f4f33c6e6f74 /configure.in
parentd173d12e77c2ba9c46717353891f817333ce4995 (diff)
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Use $CXX not cc1plus to locate C++ headers.
Diffstat (limited to 'configure.in')
-rw-r--r--configure.in5
1 files changed, 2 insertions, 3 deletions
diff --git a/configure.in b/configure.in
index b9b5703648..facde5e55a 100644
--- a/configure.in
+++ b/configure.in
@@ -973,10 +973,9 @@ if test -n "$sysheaders"; then
 -isystem `echo $sysheaders | sed 's/:/ -isystem /g'`"
   if test -n "$CXX"; then
     CXX_SYSINCLUDES=
-    cxxversion=`$CXX -dumpversion 2>&AS_MESSAGE_LOG_FD` &&
     cxxmachine=`$CXX -dumpmachine 2>&AS_MESSAGE_LOG_FD` &&
-    cxxplus=`$CXX -print-prog-name=cc1plus`
-    cxxheaders=`$cxxplus -v /dev/null 2>&1 | sed -n '/ \//{p;q;}' | sed 's/ //'`
+    cxxheaders=`$CXX -v -S -x c++ /dev/null -o /dev/null 2>&1 \
+	| sed -n -e '1,/#include/d' -e '/^ \//{p;q;}' | sed 's/ //'`
     test "x$cxxheaders" != x && test "x$i" != "x$cxxheaders" &&
     CXX_SYSINCLUDES="$CXX_SYSINCLUDES -isystem $cxxheaders \
 -isystem $cxxheaders/$cxxmachine -isystem $cxxheaders/backward"