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Added unused attribute for new versions of GCC

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[SVN r84470]
This commit is contained in:
Jeremiah Willcock
2013-05-25 02:11:20 +00:00
parent 9521991561
commit 168e60aa3d
1 changed files with 10 additions and 1 deletions
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11
include/boost/concept/detail/general.hpp
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@@ -65,10 +65,19 @@ struct requirement_<void(*)(Model)>
# 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
}}