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When using clang + libstdC++ not all C++11 features are necessarily available

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John Maddock
2017-05-19 13:38:02 +01:00
parent 0b508cb2c9
commit 6d7592091c
1 changed files with 13 additions and 0 deletions
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13
include/boost/config/stdlib/libstdcpp3.hpp
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@ -148,6 +148,19 @@
// defining it here is a terrible cludge, but should get things working:
extern "C" char *gets (char *__s);
#endif
//
// clang is unable to parse some GCC headers, add those workarounds here:
//
#if BOOST_LIBSTDCXX_VERSION < 50000
# define BOOST_NO_CXX11_HDR_REGEX
#endif
//
// GCC 4.7.x has no __cxa_thread_atexit which
// thread_local objects require for cleanup:
//
#if BOOST_LIBSTDCXX_VERSION < 40800
# define BOOST_NO_CXX11_THREAD_LOCAL
#endif
//
// GCC 4.8 and 9 add working versions of <atomic> and <regex> respectively.