[Boost-commit] svn:boost r84470 - trunk/boost/concept/detail

Subject: [Boost-commit] svn:boost r84470 - trunk/boost/concept/detail
From: jewillco_at_[hidden]
Date: 2013-05-24 22:11:20

Author: jewillco
Date: 2013-05-24 22:11:20 EDT (Fri, 24 May 2013)
New Revision: 84470
URL: http://svn.boost.org/trac/boost/changeset/84470

Log:
Added unused attribute for new versions of GCC
Text files modified: 
   trunk/boost/concept/detail/general.hpp |    11 ++++++++++-                             
   1 files changed, 10 insertions(+), 1 deletions(-)

Modified: trunk/boost/concept/detail/general.hpp
==============================================================================
--- trunk/boost/concept/detail/general.hpp	(original)
+++ trunk/boost/concept/detail/general.hpp	2013-05-24 22:11:20 EDT (Fri, 24 May 2013)
@@ -65,10 +65,19 @@
   
 # endif
 
+// Version check from https://svn.boost.org/trac/boost/changeset/82886
+// (boost/static_assert.hpp)
+#if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7))) 
+#define BOOST_CONCEPT_UNUSED_TYPEDEF __attribute__((unused))
+#else
+#define BOOST_CONCEPT_UNUSED_TYPEDEF /**/
+#endif
+
 #  define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr )             \
     typedef ::boost::concepts::detail::instantiate<          \
     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
-      BOOST_PP_CAT(boost_concept_check,__LINE__)
+      BOOST_PP_CAT(boost_concept_check,__LINE__)             \
+      BOOST_CONCEPT_UNUSED_TYPEDEF
 
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