From 6f50fc9d63f9448d87e14e954d28e0f7a6bd3fd3 Mon Sep 17 00:00:00 2001
From: Cedric Bail <cedric.bail@samsung.com>
Date: Mon, 9 Dec 2013 21:35:56 +0900
Subject: [PATCH] autotools: work around buggy macro to force C++ compiler
 detection.

---
 configure.ac | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 3c701920dd..edc12072e0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -283,7 +283,11 @@ AM_PROG_CC_C_O
 if test "x${ac_cv_prog_cc_c99}" = "xno" ; then
    AC_MSG_ERROR([efl requires a c99-capable compiler])
 fi
-if test "x${CXX}" = "x"; then
+# We should be using ${CXX} here, but there is a bug in
+# autotools macro and CXX is always set to g++ even if
+# it's not found. So we are using an internal variable
+# that does the work for now, may get broken in the future.
+if test "x${ac_ct_CXX}" = "x"; then
    AC_MSG_ERROR([efl requires a C++ compiler])
 fi