From 96775db7fff5e8b758939b111d0c9d3987fc7e6d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20W=C3=A4ckerlin?= <marc@mrw.sh>
Date: Fri, 19 Aug 2016 16:07:37 +0000
Subject: [PATCH] fix C++11 detection

---
 scripts/ax_cxx_compile_stdcxx_11.m4 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/scripts/ax_cxx_compile_stdcxx_11.m4 b/scripts/ax_cxx_compile_stdcxx_11.m4
index e3c8d75..4c831e0 100644
--- a/scripts/ax_cxx_compile_stdcxx_11.m4
+++ b/scripts/ax_cxx_compile_stdcxx_11.m4
@@ -201,15 +201,17 @@ AC_DEFUN([AX_CXX_COMPILE_STDCXX_14], [dnl
       AC_MSG_ERROR([*** A compiler with support for C++14 language features is required.])
     fi
   else
-    HAVE_CXX11=${HAVE_CXX14}
     if test x$ac_success = xno; then
       HAVE_CXX14=0
       AC_MSG_NOTICE([No compiler with C++14 support was found])
       AX_CXX_COMPILE_STDCXX_11([$1], [optional])
     else
+      HAVE_CXX11=1
       HAVE_CXX14=1
       AC_DEFINE(HAVE_CXX14,1,
                 [define if the compiler supports basic C++14 syntax])
+      AC_DEFINE(HAVE_CXX11,1,
+                [define if the compiler supports basic C++14 syntax])
     fi
     AC_SUBST(HAVE_CXX11)
     AC_SUBST(HAVE_CXX14)