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Prevent macro re-definition in cstdint.hpp.

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See https://svn.boost.org/trac/boost/ticket/12786.
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jzmaddock
2017-04-16 19:31:25 +01:00
parent 8037ff436b
commit fc1f603143
1 changed files with 14 additions and 0 deletions
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14
include/boost/cstdint.hpp
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@ -422,6 +422,20 @@ INT#_C macros if they're not already defined (John Maddock).
#if defined(__GNUC__) && (__GNUC__ >= 4)
#pragma GCC system_header
#endif
//
// Undef the macros as a precaution, since we may get here if <stdint.h> has failed
// to define them all, see https://svn.boost.org/trac/boost/ticket/12786
//
#undef INT8_C
#undef INT16_C
#undef INT32_C
#undef INT64_C
#undef INTMAX_C
#undef UINT8_C
#undef UINT16_C
#undef UINT32_C
#undef UINT64_C
#undef UINTMAX_C
#include <limits.h>
# define BOOST__STDC_CONSTANT_MACROS_DEFINED