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Undef macros before defining them (again).

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[SVN r34511]
This commit is contained in:
John Maddock
2006-07-12 11:10:22 +00:00
parent 1748709ef6
commit c01e7f7d00
1 changed files with 22 additions and 0 deletions
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22
include/boost/type_traits/detail/bool_trait_def.hpp
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@ -17,6 +17,28 @@
#include <boost/mpl/aux_/lambda_support.hpp>
#include <boost/config.hpp>
//
// Unfortunately some libraries have started using this header without
// cleaning up afterwards: so we'd better undef the macros just in case
// they've been defined already....
//
#ifdef BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL
#undef BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL
#undef BOOST_TT_AUX_BOOL_C_BASE
#undef BOOST_TT_AUX_BOOL_TRAIT_DEF1
#undef BOOST_TT_AUX_BOOL_TRAIT_DEF2
#undef BOOST_TT_AUX_BOOL_TRAIT_SPEC1
#undef BOOST_TT_AUX_BOOL_TRAIT_SPEC2
#undef BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1
#undef BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC2
#undef BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1
#undef BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2
#undef BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_1
#undef BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_2
#undef BOOST_TT_AUX_BOOL_TRAIT_IMPL_PARTIAL_SPEC2_1
#undef BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1
#endif
#if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x570)
# define BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
typedef ::boost::integral_constant<bool,C> type; \