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Older versions of libc++abi have no thread_local support.

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jzmaddock
2016-08-18 19:26:28 +01:00
parent 221f4da6d1
commit 226bee3010
1 changed files with 8 additions and 0 deletions
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8
include/boost/config/stdlib/libcpp.hpp
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@@ -75,6 +75,14 @@
#define BOOST_NO_STD_MESSAGES #define BOOST_NO_STD_MESSAGES
#endif #endif
#if (_LIBCPP_VERSION <= 1101) && !defined(BOOST_NO_CXX11_THREAD_LOCAL)
// This is a bit of a sledgehammer, because really it's just libc++abi that has no
// support for thread_local, leading to linker errors such as
// "undefined reference to `__cxa_thread_atexit'". It is fixed in the
// most recent releases of libc++abi though...
# define BOOST_NO_CXX11_THREAD_LOCAL
#endif
#if defined(__has_include) #if defined(__has_include)
#if !__has_include(<shared_mutex>) #if !__has_include(<shared_mutex>)
# define BOOST_NO_CXX14_HDR_SHARED_MUTEX # define BOOST_NO_CXX14_HDR_SHARED_MUTEX