From 56594f6f10ba04aa51af976bc8339ea9ae54ea21 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Beno=C3=AEt=20Dejean?= <bdejean@gmail.com>
Date: Sun, 2 Aug 2015 06:37:21 +0200
Subject: Add a smart CXXFLAGS / std=c++11 switch.

Code from glom and murrayc http://www.murrayc.com/permalink/2015/07/31/gtkmm-now-uses-c11/ .
---
 configure.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 4afb816..b7759db 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,6 +20,7 @@ AC_PROG_CC
 AC_PROG_CXX
 AC_LANG([C++])
 AC_LANG_COMPILER_REQUIRE
+AX_CXX_COMPILE_STDCXX_11([],[mandatory])
 PKG_PROG_PKG_CONFIG([0.19])
 
 # Initialize libtool
@@ -103,7 +104,7 @@ if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
     -Wnested-externs -Wpointer-arith \
     -Wcast-align -Wsign-compare \
     $CFLAGS"
-    CXXFLAGS="-Wall -std=c++98 $CXXFLAGS"
+    CXXFLAGS="-Wall $CXXFLAGS"
 else
     AC_MSG_RESULT(no)
 fi
-- 
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