From a16e4a65dacc541768f96620ae1fabd5d92c341f Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Wed, 23 Mar 2011 12:20:49 +0000
Subject: [PATCH] Stop using BOOST_NO_CONCEPTS macro as it's going to be
 removed from Boost.Config.

[SVN r70473]
---
 include/boost/concept/detail/backward_compatibility.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/concept/detail/backward_compatibility.hpp b/include/boost/concept/detail/backward_compatibility.hpp
index 88d5921..66d573e 100644
--- a/include/boost/concept/detail/backward_compatibility.hpp
+++ b/include/boost/concept/detail/backward_compatibility.hpp
@@ -8,7 +8,7 @@ namespace boost
 {
   namespace concepts {}
 
-# if !defined(BOOST_NO_CONCEPTS) && !defined(BOOST_CONCEPT_NO_BACKWARD_KEYWORD)
+# if defined(BOOST_HAS_CONCEPTS) && !defined(BOOST_CONCEPT_NO_BACKWARD_KEYWORD)
   namespace concept = concepts;
 # endif 
 } // namespace boost::concept