1 // (C) Copyright Christopher Jefferson 2011. 2 // Use, modification and distribution are subject to the 3 // Boost Software License, Version 1.0. (See accompanying file 4 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 5 6 // See http://www.boost.org for most recent version. 7 8 // config for libc++ 9 // Might need more in here later. 10 11 #if !defined(_LIBCPP_VERSION) 12 # include <ciso646> 13 # if !defined(_LIBCPP_VERSION) 14 # error "This is not libc++!" 15 # endif 16 #endif 17 18 #define BOOST_STDLIB "libc++ version " BOOST_STRINGIZE(_LIBCPP_VERSION) 19 20 #define BOOST_HAS_THREADS 21 22 #ifdef _LIBCPP_HAS_NO_VARIADICS 23 # define BOOST_NO_CXX11_HDR_TUPLE 24 #endif 25 26 // BOOST_NO_CXX11_ALLOCATOR should imply no support for the C++11 27 // allocator model. The C++11 allocator model requires a conforming 28 // std::allocator_traits which is only possible with C++11 template 29 // aliases since members rebind_alloc and rebind_traits require it. 30 #if defined(_LIBCPP_HAS_NO_TEMPLATE_ALIASES) 31 # define BOOST_NO_CXX11_ALLOCATOR 32 # define BOOST_NO_CXX11_POINTER_TRAITS 33 #endif 34 35 #if __cplusplus < 201103 36 // 37 // These two appear to be somewhat useable in C++03 mode, there may be others... 38 // 39 //# define BOOST_NO_CXX11_HDR_ARRAY 40 //# define BOOST_NO_CXX11_HDR_FORWARD_LIST 41 42 # define BOOST_NO_CXX11_HDR_CODECVT 43 # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 44 # define BOOST_NO_CXX11_HDR_EXCEPTION 45 # define BOOST_NO_CXX11_HDR_INITIALIZER_LIST 46 # define BOOST_NO_CXX11_HDR_MUTEX 47 # define BOOST_NO_CXX11_HDR_RANDOM 48 # define BOOST_NO_CXX11_HDR_RATIO 49 # define BOOST_NO_CXX11_HDR_REGEX 50 # define BOOST_NO_CXX11_HDR_SYSTEM_ERROR 51 # define BOOST_NO_CXX11_HDR_THREAD 52 # define BOOST_NO_CXX11_HDR_TUPLE 53 # define BOOST_NO_CXX11_HDR_TYPEINDEX 54 # define BOOST_NO_CXX11_HDR_UNORDERED_MAP 55 # define BOOST_NO_CXX11_HDR_UNORDERED_SET 56 # define BOOST_NO_CXX11_NUMERIC_LIMITS 57 # define BOOST_NO_CXX11_ALLOCATOR 58 # define BOOST_NO_CXX11_POINTER_TRAITS 59 # define BOOST_NO_CXX11_SMART_PTR 60 # define BOOST_NO_CXX11_HDR_FUNCTIONAL 61 # define BOOST_NO_CXX11_STD_ALIGN 62 # define BOOST_NO_CXX11_ADDRESSOF 63 # define BOOST_NO_CXX11_HDR_ATOMIC 64 # define BOOST_NO_CXX11_ATOMIC_SMART_PTR 65 # define BOOST_NO_CXX11_HDR_CHRONO 66 # define BOOST_NO_CXX11_HDR_TYPE_TRAITS 67 # define BOOST_NO_CXX11_HDR_FUTURE 68 #elif _LIBCPP_VERSION < 3700 69 // 70 // These appear to be unusable/incomplete so far: 71 // 72 # define BOOST_NO_CXX11_HDR_ATOMIC 73 # define BOOST_NO_CXX11_ATOMIC_SMART_PTR 74 # define BOOST_NO_CXX11_HDR_CHRONO 75 # define BOOST_NO_CXX11_HDR_TYPE_TRAITS 76 # define BOOST_NO_CXX11_HDR_FUTURE 77 #endif 78 79 80 #if _LIBCPP_VERSION < 3700 81 // libc++ uses a non-standard messages_base 82 #define BOOST_NO_STD_MESSAGES 83 #endif 84 85 // C++14 features 86 #if (_LIBCPP_VERSION < 3700) || (__cplusplus <= 201402L) 87 # define BOOST_NO_CXX14_STD_EXCHANGE 88 #endif 89 90 // C++17 features 91 #if (_LIBCPP_VERSION < 4000) || (__cplusplus <= 201402L) 92 # define BOOST_NO_CXX17_STD_APPLY 93 # define BOOST_NO_CXX17_HDR_OPTIONAL 94 # define BOOST_NO_CXX17_HDR_STRING_VIEW 95 # define BOOST_NO_CXX17_HDR_VARIANT 96 #endif 97 #if (_LIBCPP_VERSION > 4000) && (__cplusplus > 201402L) && !defined(_LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR) 98 # define BOOST_NO_AUTO_PTR 99 #endif 100 #if (_LIBCPP_VERSION > 4000) && (__cplusplus > 201402L) && !defined(_LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE) 101 # define BOOST_NO_CXX98_RANDOM_SHUFFLE 102 #endif 103 #if (_LIBCPP_VERSION > 4000) && (__cplusplus > 201402L) && !defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS) 104 # define BOOST_NO_CXX98_BINDERS 105 #endif 106 107 #ifdef __has_include 108 #if __has_include(<version>) 109 110 #if !defined(__cpp_lib_execution) || (__cpp_lib_execution < 201603L) 111 # define BOOST_NO_CXX17_HDR_EXECUTION 112 #endif 113 #if !defined(__cpp_lib_invoke) || (__cpp_lib_invoke < 201411L) 114 #define BOOST_NO_CXX17_STD_INVOKE 115 #endif 116 117 #else 118 #define BOOST_NO_CXX17_STD_INVOKE // Invoke support is incomplete (no invoke_result) 119 #define BOOST_NO_CXX17_HDR_EXECUTION 120 #endif 121 #else 122 #define BOOST_NO_CXX17_STD_INVOKE // Invoke support is incomplete (no invoke_result) 123 #define BOOST_NO_CXX17_HDR_EXECUTION 124 #endif 125 126 #if _LIBCPP_VERSION < 10000 // What's the correct version check here? 127 #define BOOST_NO_CXX17_ITERATOR_TRAITS 128 #endif 129 130 #if (_LIBCPP_VERSION <= 1101) && !defined(BOOST_NO_CXX11_THREAD_LOCAL) 131 // This is a bit of a sledgehammer, because really it's just libc++abi that has no 132 // support for thread_local, leading to linker errors such as 133 // "undefined reference to `__cxa_thread_atexit'". It is fixed in the 134 // most recent releases of libc++abi though... 135 # define BOOST_NO_CXX11_THREAD_LOCAL 136 #endif 137 138 #if defined(__linux__) && (_LIBCPP_VERSION < 6000) && !defined(BOOST_NO_CXX11_THREAD_LOCAL) 139 // After libc++-dev is installed on Trusty, clang++-libc++ almost works, 140 // except uses of `thread_local` fail with undefined reference to 141 // `__cxa_thread_atexit`. 142 // 143 // clang's libc++abi provides an implementation by deferring to the glibc 144 // implementation, which may or may not be available (it is not on Trusty). 145 // clang 4's libc++abi will provide an implementation if one is not in glibc 146 // though, so thread local support should work with clang 4 and above as long 147 // as libc++abi is linked in. 148 # define BOOST_NO_CXX11_THREAD_LOCAL 149 #endif 150 151 #if defined(__has_include) 152 #if !__has_include(<shared_mutex>) 153 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 154 #elif __cplusplus <= 201103 155 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 156 #endif 157 #elif __cplusplus < 201402 158 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 159 #endif 160 161 #if !defined(BOOST_NO_CXX14_HDR_SHARED_MUTEX) && (_LIBCPP_VERSION < 5000) 162 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 163 #endif 164 165 #if _LIBCPP_VERSION >= 15000 166 // 167 // Unary function is now deprecated in C++11 and later: 168 // 169 #if __cplusplus >= 201103L 170 #define BOOST_NO_CXX98_FUNCTION_BASE 171 #endif 172 #endif 173 174 // --- end --- 175