From ef226fecbeae89451529fc9094b4a2c2387f6884 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Wed, 28 Dec 2005 06:53:43 +0000
Subject: * config.make.in (c++-sysincludes): New substituted variable.

	* configure.in (CXX_SYSINCLUDES): New substituted variable.
	* configure: Regenerated.
	* Makeconfig (CXXFLAGS): Prepend $(c++-sysincludes) here.
---
 configure.in | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index ba7ca30..4ae30ae 100644
--- a/configure.in
+++ b/configure.in
@@ -838,8 +838,16 @@ if test -n "$sysheaders"; then
   ccheaders=`$CC -print-file-name=include`
   SYSINCLUDES="-nostdinc -isystem $ccheaders \
 -isystem `echo $sysheaders | sed 's/:/ -isystem /g'`"
+  if test -n "$CXX"; then
+    cxxversion=`$CXX -dumpversion 2>&AS_MESSAGE_LOG_FD` &&
+    cxxmachine=`$CXX -dumpmachine 2>&AS_MESSAGE_LOG_FD` &&
+    cxxheaders=`$CXX -print-file-name=../../../../include/c++/`"$cxxversion" &&
+    CXX_SYSINCLUDES="-isystem $cxxheaders \
+-isystem $cxxheaders/$cxxmachine -isystem $cxxheaders/backward"
+  fi
 fi
 AC_SUBST(SYSINCLUDES)
+AC_SUBST(CXX_SYSINCLUDES)
 
 # check if ranlib is necessary
 AC_CACHE_CHECK(whether ranlib is necessary, libc_cv_ranlib_necessary, [dnl
-- 
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