From 7cfa98fd9460160d94c049bf72123e88d9c41a01 Mon Sep 17 00:00:00 2001
From: Marton Balint <cus@passwd.hu>
Date: Sat, 25 Mar 2017 17:36:39 +0100
Subject: [PATCH] configure: use c++11 and fallback to c++0x for c++ files

Needed for the C+11 atomics. Also change add_cxxflags to check_cxxflags.

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index dc968bcfd8..a84b12656f 100755
--- a/configure
+++ b/configure
@@ -4649,7 +4649,7 @@ fi
 
 add_cppflags -D_ISOC99_SOURCE
 add_cxxflags -D__STDC_CONSTANT_MACROS
-add_cxxflags -std=c++98
+check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
 
 # some compilers silently accept -std=c11, so we also need to check that the
 # version macro is defined properly
-- 
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