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Fix up libstdc++3 for older clang with a newer std lib.

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jzmaddock
2021-03-05 12:05:31 +00:00
parent ac0c7c346c
commit 5f9b983798
1 changed files with 12 additions and 0 deletions
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12
include/boost/config/stdlib/libstdcpp3.hpp
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@ -362,6 +362,18 @@ extern "C" char *gets (char *__s);
# define BOOST_NO_CXX20_HDR_COROUTINE
#endif
//
// These next defines are mostly for older clang versions with a newer libstdc++ :
//
#if !defined(__cpp_lib_concepts)
#if !defined(BOOST_NO_CXX20_HDR_COMPARE)
# define BOOST_NO_CXX20_HDR_COMPARE
#endif
#if !defined(BOOST_NO_CXX20_HDR_CONCEPTS)
# define BOOST_NO_CXX20_HDR_CONCEPTS
#endif
#endif
//
// Headers not present on Solaris with the Oracle compiler:
#if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5140)