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Correct use of __has_include in suffix.hpp.

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jzmaddock
2018-08-04 19:35:11 +01:00
parent 96a6cd878f
commit fb9957101f
1 changed files with 5 additions and 1 deletions
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6
include/boost/config/detail/suffix.hpp
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@@ -1024,8 +1024,12 @@ namespace std{ using ::type_info; }
#endif #endif
// This is a catch all case for obsolete compilers / std libs: // This is a catch all case for obsolete compilers / std libs:
#if !defined(__has_include) || !__has_include(<optional>) #if !defined(__has_include)
# define BOOST_NO_CXX17_HDR_OPTIONAL # define BOOST_NO_CXX17_HDR_OPTIONAL
#else
#if !__has_include(<optional>)
# define BOOST_NO_CXX17_HDR_OPTIONAL
#endif
#endif #endif
// //