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cstdint.hpp: Move the #pragma system_header to catch more cases.

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See https://github.com/boostorg/config/issues/190.
This commit is contained in:
jzmaddock
2018-03-16 18:10:43 +00:00
parent 5ad0730630
commit dca252c087
1 changed files with 11 additions and 10 deletions
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21
include/boost/cstdint.hpp
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@ -34,6 +34,17 @@
#endif
#include <boost/config.hpp>
//
// For the following code we get several warnings along the lines of:
//
// boost/cstdint.hpp:428:35: error: use of C99 long long integer constant
//
// So we declare this a system header to suppress these warnings.
// See also https://github.com/boostorg/config/issues/190
//
#if defined(__GNUC__) && (__GNUC__ >= 4)
#pragma GCC system_header
#endif
//
// Note that GLIBC is a bit inconsistent about whether int64_t is defined or not
@ -408,16 +419,6 @@ INT#_C macros if they're not already defined (John Maddock).
#if !defined(BOOST__STDC_CONSTANT_MACROS_DEFINED) && \
(!defined(INT8_C) || !defined(INT16_C) || !defined(INT32_C) || !defined(INT64_C))
//
// For the following code we get several warnings along the lines of:
//
// boost/cstdint.hpp:428:35: error: use of C99 long long integer constant
//
// So we declare this a system header to suppress these warnings.
//
#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
//