| // (C) Copyright Christopher Jefferson 2011. |
| // Use, modification and distribution are subject to the |
| // Boost Software License, Version 1.0. (See accompanying file |
| // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| // See http://www.boost.org for most recent version. |
| |
| // config for libc++ |
| // Might need more in here later. |
| |
| #if !defined(_LIBCPP_VERSION) |
| # include <ciso646> |
| # if !defined(_LIBCPP_VERSION) |
| # error "This is not libc++!" |
| # endif |
| #endif |
| |
| #define BOOST_STDLIB "libc++ version " BOOST_STRINGIZE(_LIBCPP_VERSION) |
| |
| #define BOOST_HAS_THREADS |
| |
| #ifdef _LIBCPP_HAS_NO_VARIADICS |
| # define BOOST_NO_CXX11_HDR_TUPLE |
| #endif |
| |
| // BOOST_NO_CXX11_ALLOCATOR should imply no support for the C++11 |
| // allocator model. The C++11 allocator model requires a conforming |
| // std::allocator_traits which is only possible with C++11 template |
| // aliases since members rebind_alloc and rebind_traits require it. |
| #if defined(_LIBCPP_HAS_NO_TEMPLATE_ALIASES) |
| # define BOOST_NO_CXX11_ALLOCATOR |
| # define BOOST_NO_CXX11_POINTER_TRAITS |
| #endif |
| |
| #if __cplusplus < 201103 |
| // |
| // These two appear to be somewhat useable in C++03 mode, there may be others... |
| // |
| //# define BOOST_NO_CXX11_HDR_ARRAY |
| //# define BOOST_NO_CXX11_HDR_FORWARD_LIST |
| |
| # define BOOST_NO_CXX11_HDR_CODECVT |
| # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE |
| # define BOOST_NO_CXX11_HDR_INITIALIZER_LIST |
| # define BOOST_NO_CXX11_HDR_MUTEX |
| # define BOOST_NO_CXX11_HDR_RANDOM |
| # define BOOST_NO_CXX11_HDR_RATIO |
| # define BOOST_NO_CXX11_HDR_REGEX |
| # define BOOST_NO_CXX11_HDR_SYSTEM_ERROR |
| # define BOOST_NO_CXX11_HDR_THREAD |
| # define BOOST_NO_CXX11_HDR_TUPLE |
| # define BOOST_NO_CXX11_HDR_TYPEINDEX |
| # define BOOST_NO_CXX11_HDR_UNORDERED_MAP |
| # define BOOST_NO_CXX11_HDR_UNORDERED_SET |
| # define BOOST_NO_CXX11_NUMERIC_LIMITS |
| # define BOOST_NO_CXX11_ALLOCATOR |
| # define BOOST_NO_CXX11_POINTER_TRAITS |
| # define BOOST_NO_CXX11_SMART_PTR |
| # define BOOST_NO_CXX11_HDR_FUNCTIONAL |
| # define BOOST_NO_CXX11_STD_ALIGN |
| # define BOOST_NO_CXX11_ADDRESSOF |
| # define BOOST_NO_CXX11_HDR_ATOMIC |
| # define BOOST_NO_CXX11_ATOMIC_SMART_PTR |
| # define BOOST_NO_CXX11_HDR_CHRONO |
| # define BOOST_NO_CXX11_HDR_TYPE_TRAITS |
| # define BOOST_NO_CXX11_HDR_FUTURE |
| #elif _LIBCPP_VERSION < 3700 |
| // |
| // These appear to be unusable/incomplete so far: |
| // |
| # define BOOST_NO_CXX11_HDR_ATOMIC |
| # define BOOST_NO_CXX11_ATOMIC_SMART_PTR |
| # define BOOST_NO_CXX11_HDR_CHRONO |
| # define BOOST_NO_CXX11_HDR_TYPE_TRAITS |
| # define BOOST_NO_CXX11_HDR_FUTURE |
| #endif |
| |
| |
| #if _LIBCPP_VERSION < 3700 |
| // libc++ uses a non-standard messages_base |
| #define BOOST_NO_STD_MESSAGES |
| #endif |
| |
| // C++14 features |
| #if (_LIBCPP_VERSION < 3700) || (__cplusplus <= 201402L) |
| # define BOOST_NO_CXX14_STD_EXCHANGE |
| #endif |
| |
| // C++17 features |
| #if (_LIBCPP_VERSION < 4000) || (__cplusplus <= 201402L) |
| # define BOOST_NO_CXX17_STD_APPLY |
| # define BOOST_NO_CXX17_HDR_OPTIONAL |
| # define BOOST_NO_CXX17_HDR_STRING_VIEW |
| #endif |
| #if (_LIBCPP_VERSION > 4000) && (__cplusplus > 201402L) && !defined(_LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR) |
| # define BOOST_NO_AUTO_PTR |
| #endif |
| #if (_LIBCPP_VERSION > 4000) && (__cplusplus > 201402L) && !defined(_LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE) |
| # define BOOST_NO_CXX98_RANDOM_SHUFFLE |
| #endif |
| #if (_LIBCPP_VERSION > 4000) && (__cplusplus > 201402L) && !defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS) |
| # define BOOST_NO_CXX98_BINDERS |
| #endif |
| |
| #define BOOST_NO_CXX17_ITERATOR_TRAITS |
| #define BOOST_NO_CXX17_STD_INVOKE // Invoke support is incomplete (no invoke_result) |
| |
| #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(__linux__) && (_LIBCPP_VERSION < 6000) && !defined(BOOST_NO_CXX11_THREAD_LOCAL) |
| // After libc++-dev is installed on Trusty, clang++-libc++ almost works, |
| // except uses of `thread_local` fail with undefined reference to |
| // `__cxa_thread_atexit`. |
| // |
| // clang's libc++abi provides an implementation by deferring to the glibc |
| // implementation, which may or may not be available (it is not on Trusty). |
| // clang 4's libc++abi will provide an implementation if one is not in glibc |
| // though, so thread local support should work with clang 4 and above as long |
| // as libc++abi is linked in. |
| # define BOOST_NO_CXX11_THREAD_LOCAL |
| #endif |
| |
| #if defined(__has_include) |
| #if !__has_include(<shared_mutex>) |
| # define BOOST_NO_CXX14_HDR_SHARED_MUTEX |
| #elif __cplusplus <= 201103 |
| # define BOOST_NO_CXX14_HDR_SHARED_MUTEX |
| #endif |
| #elif __cplusplus < 201402 |
| # define BOOST_NO_CXX14_HDR_SHARED_MUTEX |
| #endif |
| |
| #if !defined(BOOST_NO_CXX14_HDR_SHARED_MUTEX) && (_LIBCPP_VERSION < 5000) |
| # define BOOST_NO_CXX14_HDR_SHARED_MUTEX |
| #endif |
| |
| // --- end --- |
