From 7945c1771bbb57125b3e3343fa84bfc314e0f4d4 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 14 Nov 2016 14:42:38 +0200
Subject: Fix few C++11-related warnings

---
 cutl/details/config.hxx | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'cutl/details/config.hxx')

diff --git a/cutl/details/config.hxx b/cutl/details/config.hxx
index 2d0ec8d..c57c50e 100644
--- a/cutl/details/config.hxx
+++ b/cutl/details/config.hxx
@@ -5,6 +5,26 @@
 #ifndef CUTL_DETAILS_CONFIG_HXX
 #define CUTL_DETAILS_CONFIG_HXX
 
+// C++11 support.
+//
+#ifdef _MSC_VER
+#  if _MSC_VER >= 1900
+#    define LIBCUTL_CXX11
+#  endif
+#else
+#  if defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L
+#    ifdef __clang__ // Pretends to be a really old __GNUC__ on some platforms.
+#      define LIBCUTL_CXX11
+#    elif defined(__GNUC__)
+#      if (__GNUC__ == 4 && __GNUC_MINOR__ >= 9) || __GNUC__ > 4
+#        define LIBCUTL_CXX11
+#      endif
+#    else
+#      define LIBCUTL_CXX11
+#    endif
+#  endif
+#endif
+
 #ifdef LIBCUTL_BUILD2
 #  ifdef _MSC_VER
 #    include <cutl/details/build2/config-vc.h>
-- 
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