From ff5dfc4869aad7bedad9e749e6eed7d5f783b970 Mon Sep 17 00:00:00 2001
From: Joern Rennecke <joern.rennecke@embecosm.com>
Date: Wed, 9 Jun 2010 10:32:23 +0000
Subject: re PR bootstrap/44432 ([boot with C++] configure does not check
 presence of host C++ compiler)

	PR bootstrap/44432
	* configure.ac: Before using ZW_PROG_COMPILER_DEPENDENCIES for C++,
	check that C++ compiler works.
	* configure: Regenerate.

From-SVN: r160460
---
 libcpp/configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libcpp/configure.ac')

diff --git a/libcpp/configure.ac b/libcpp/configure.ac
index 9dcec23..ceea29c 100644
--- a/libcpp/configure.ac
+++ b/libcpp/configure.ac
@@ -45,6 +45,10 @@ ZW_CREATE_DEPDIR
 if test "$ENABLE_BUILD_WITH_CXX" = "no"; then
 ZW_PROG_COMPILER_DEPENDENCIES([CC])
 else
+AC_LANG_PUSH([C++])
+AC_COMPILE_IFELSE([[int i;]], [],
+		  [AC_MSG_ERROR([C++ compiler missing or inoperational])])
+AC_LANG_POP([C++])
 ZW_PROG_COMPILER_DEPENDENCIES([CXX])
 fi
 
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