1 // (C) Copyright John Maddock 2001. 2 // (C) Copyright Jens Maurer 2001. 3 // Use, modification and distribution are subject to the 4 // Boost Software License, Version 1.0. (See accompanying file 5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 6 7 // See http://www.boost.org for most recent version. 8 9 // config for libstdc++ v3 10 // not much to go in here: 11 12 #define BOOST_GNU_STDLIB 1 13 14 #ifdef __GLIBCXX__ 15 #define BOOST_STDLIB "GNU libstdc++ version " BOOST_STRINGIZE(__GLIBCXX__) 16 #else 17 #define BOOST_STDLIB "GNU libstdc++ version " BOOST_STRINGIZE(__GLIBCPP__) 18 #endif 19 20 #if !defined(_GLIBCPP_USE_WCHAR_T) && !defined(_GLIBCXX_USE_WCHAR_T) 21 # define BOOST_NO_CWCHAR 22 # define BOOST_NO_CWCTYPE 23 # define BOOST_NO_STD_WSTRING 24 # define BOOST_NO_STD_WSTREAMBUF 25 #endif 26 27 #if defined(__osf__) && !defined(_REENTRANT) \ 28 && ( defined(_GLIBCXX_HAVE_GTHR_DEFAULT) || defined(_GLIBCPP_HAVE_GTHR_DEFAULT) ) 29 // GCC 3 on Tru64 forces the definition of _REENTRANT when any std lib header 30 // file is included, therefore for consistency we define it here as well. 31 # define _REENTRANT 32 #endif 33 34 #ifdef __GLIBCXX__ // gcc 3.4 and greater: 35 # if defined(_GLIBCXX_HAVE_GTHR_DEFAULT) \ 36 || defined(_GLIBCXX__PTHREADS) \ 37 || defined(_GLIBCXX_HAS_GTHREADS) \ 38 || defined(_WIN32) \ 39 || defined(_AIX) \ 40 || defined(__HAIKU__) 41 // 42 // If the std lib has thread support turned on, then turn it on in Boost 43 // as well. We do this because some gcc-3.4 std lib headers define _REENTANT 44 // while others do not... 45 // 46 # define BOOST_HAS_THREADS 47 # else 48 # define BOOST_DISABLE_THREADS 49 # endif 50 #elif defined(__GLIBCPP__) \ 51 && !defined(_GLIBCPP_HAVE_GTHR_DEFAULT) \ 52 && !defined(_GLIBCPP__PTHREADS) 53 // disable thread support if the std lib was built single threaded: 54 # define BOOST_DISABLE_THREADS 55 #endif 56 57 #if (defined(linux) || defined(__linux) || defined(__linux__)) && defined(__arm__) && defined(_GLIBCPP_HAVE_GTHR_DEFAULT) 58 // linux on arm apparently doesn't define _REENTRANT 59 // so just turn on threading support whenever the std lib is thread safe: 60 # define BOOST_HAS_THREADS 61 #endif 62 63 #if !defined(_GLIBCPP_USE_LONG_LONG) \ 64 && !defined(_GLIBCXX_USE_LONG_LONG)\ 65 && defined(BOOST_HAS_LONG_LONG) 66 // May have been set by compiler/*.hpp, but "long long" without library 67 // support is useless. 68 # undef BOOST_HAS_LONG_LONG 69 #endif 70 71 // Apple doesn't seem to reliably defined a *unix* macro 72 #if !defined(CYGWIN) && ( defined(__unix__) \ 73 || defined(__unix) \ 74 || defined(unix) \ 75 || defined(__APPLE__) \ 76 || defined(__APPLE) \ 77 || defined(APPLE)) 78 # include <unistd.h> 79 #endif 80 81 #if defined(__GLIBCXX__) || (defined(__GLIBCPP__) && __GLIBCPP__>=20020514) // GCC >= 3.1.0 82 # define BOOST_STD_EXTENSION_NAMESPACE __gnu_cxx 83 # define BOOST_HAS_SLIST 84 # define BOOST_HAS_HASH 85 # define BOOST_SLIST_HEADER <ext/slist> 86 # if !defined(__GNUC__) || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3) 87 # define BOOST_HASH_SET_HEADER <ext/hash_set> 88 # define BOOST_HASH_MAP_HEADER <ext/hash_map> 89 # else 90 # define BOOST_HASH_SET_HEADER <backward/hash_set> 91 # define BOOST_HASH_MAP_HEADER <backward/hash_map> 92 # endif 93 #endif 94 95 // 96 // Decide whether we have C++11 support turned on: 97 // 98 #if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103) 99 # define BOOST_LIBSTDCXX11 100 #endif 101 // 102 // Decide which version of libstdc++ we have, normally 103 // stdlibc++ C++0x support is detected via __GNUC__, __GNUC_MINOR__, and possibly 104 // __GNUC_PATCHLEVEL__ at the suggestion of Jonathan Wakely, one of the stdlibc++ 105 // developers. He also commented: 106 // 107 // "I'm not sure how useful __GLIBCXX__ is for your purposes, for instance in 108 // GCC 4.2.4 it is set to 20080519 but in GCC 4.3.0 it is set to 20080305. 109 // Although 4.3.0 was released earlier than 4.2.4, it has better C++0x support 110 // than any release in the 4.2 series." 111 // 112 // Another resource for understanding stdlibc++ features is: 113 // http://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#manual.intro.status.standard.200x 114 // 115 // However, using the GCC version number fails when the compiler is clang since this 116 // only ever claims to emulate GCC-4.2, see https://svn.boost.org/trac/boost/ticket/7473 117 // for a long discussion on this issue. What we can do though is use clang's __has_include 118 // to detect the presence of a C++11 header that was introduced with a specific GCC release. 119 // We still have to be careful though as many such headers were buggy and/or incomplete when 120 // first introduced, so we only check for headers that were fully featured from day 1, and then 121 // use that to infer the underlying GCC version: 122 // 123 #ifdef __clang__ 124 125 #if __has_include(<experimental/any>) 126 # define BOOST_LIBSTDCXX_VERSION 50100 127 #elif __has_include(<shared_mutex>) 128 # define BOOST_LIBSTDCXX_VERSION 40900 129 #elif __has_include(<ext/cmath>) 130 # define BOOST_LIBSTDCXX_VERSION 40800 131 #elif __has_include(<scoped_allocator>) 132 # define BOOST_LIBSTDCXX_VERSION 40700 133 #elif __has_include(<typeindex>) 134 # define BOOST_LIBSTDCXX_VERSION 40600 135 #elif __has_include(<future>) 136 # define BOOST_LIBSTDCXX_VERSION 40500 137 #elif __has_include(<ratio>) 138 # define BOOST_LIBSTDCXX_VERSION 40400 139 #elif __has_include(<array>) 140 # define BOOST_LIBSTDCXX_VERSION 40300 141 #endif 142 // 143 // GCC 4.8 and 9 add working versions of <atomic> and <regex> respectively. 144 // However, we have no test for these as the headers were present but broken 145 // in early GCC versions. 146 // 147 #endif 148 149 #if defined(__SUNPRO_CC) && (__SUNPRO_CC >= 0x5130) && (__cplusplus >= 201103L) 150 // 151 // Oracle Solaris compiler uses it's own verison of libstdc++ but doesn't 152 // set __GNUC__ 153 // 154 #define BOOST_LIBSTDCXX_VERSION 40800 155 #endif 156 157 #if !defined(BOOST_LIBSTDCXX_VERSION) 158 # define BOOST_LIBSTDCXX_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) 159 #endif 160 161 // C++0x headers in GCC 4.3.0 and later 162 // 163 #if (BOOST_LIBSTDCXX_VERSION < 40300) || !defined(BOOST_LIBSTDCXX11) 164 # define BOOST_NO_CXX11_HDR_ARRAY 165 # define BOOST_NO_CXX11_HDR_TUPLE 166 # define BOOST_NO_CXX11_HDR_UNORDERED_MAP 167 # define BOOST_NO_CXX11_HDR_UNORDERED_SET 168 # define BOOST_NO_CXX11_HDR_FUNCTIONAL 169 #endif 170 171 // C++0x headers in GCC 4.4.0 and later 172 // 173 #if (BOOST_LIBSTDCXX_VERSION < 40400) || !defined(BOOST_LIBSTDCXX11) 174 # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 175 # define BOOST_NO_CXX11_HDR_FORWARD_LIST 176 # define BOOST_NO_CXX11_HDR_INITIALIZER_LIST 177 # define BOOST_NO_CXX11_HDR_MUTEX 178 # define BOOST_NO_CXX11_HDR_RATIO 179 # define BOOST_NO_CXX11_HDR_SYSTEM_ERROR 180 # define BOOST_NO_CXX11_SMART_PTR 181 #else 182 # define BOOST_HAS_TR1_COMPLEX_INVERSE_TRIG 183 # define BOOST_HAS_TR1_COMPLEX_OVERLOADS 184 #endif 185 186 // C++0x features in GCC 4.5.0 and later 187 // 188 #if (BOOST_LIBSTDCXX_VERSION < 40500) || !defined(BOOST_LIBSTDCXX11) 189 # define BOOST_NO_CXX11_NUMERIC_LIMITS 190 # define BOOST_NO_CXX11_HDR_FUTURE 191 # define BOOST_NO_CXX11_HDR_RANDOM 192 #endif 193 194 // C++0x features in GCC 4.6.0 and later 195 // 196 #if (BOOST_LIBSTDCXX_VERSION < 40600) || !defined(BOOST_LIBSTDCXX11) 197 # define BOOST_NO_CXX11_HDR_TYPEINDEX 198 # define BOOST_NO_CXX11_ADDRESSOF 199 #endif 200 201 // C++0x features in GCC 4.7.0 and later 202 // 203 #if (BOOST_LIBSTDCXX_VERSION < 40700) || !defined(BOOST_LIBSTDCXX11) 204 // Note that although <chrono> existed prior to 4.7, "steady_clock" is spelled "monotonic_clock" 205 // so 4.7.0 is the first truely conforming one. 206 # define BOOST_NO_CXX11_HDR_CHRONO 207 # define BOOST_NO_CXX11_ALLOCATOR 208 #endif 209 // C++0x features in GCC 4.8.0 and later 210 // 211 #if (BOOST_LIBSTDCXX_VERSION < 40800) || !defined(BOOST_LIBSTDCXX11) 212 // Note that although <atomic> existed prior to gcc 4.8 it was largely unimplemented for many types: 213 # define BOOST_NO_CXX11_HDR_ATOMIC 214 # define BOOST_NO_CXX11_HDR_THREAD 215 #endif 216 // C++0x features in GCC 4.9.0 and later 217 // 218 #if (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11) 219 // Although <regex> is present and compilable against, the actual implementation is not functional 220 // even for the simplest patterns such as "\d" or "[0-9]". This is the case at least in gcc up to 4.8, inclusively. 221 # define BOOST_NO_CXX11_HDR_REGEX 222 #endif 223 224 #if defined(__clang_major__) && ((__clang_major__ < 3) || ((__clang_major__ == 3) && (__clang_minor__ < 7))) 225 // As of clang-3.6, libstdc++ header <atomic> throws up errors with clang: 226 # define BOOST_NO_CXX11_HDR_ATOMIC 227 #endif 228 // 229 // C++0x features in GCC 5.1 and later 230 // 231 #if (BOOST_LIBSTDCXX_VERSION < 50100) || !defined(BOOST_LIBSTDCXX11) 232 # define BOOST_NO_CXX11_HDR_TYPE_TRAITS 233 # define BOOST_NO_CXX11_HDR_CODECVT 234 # define BOOST_NO_CXX11_ATOMIC_SMART_PTR 235 # define BOOST_NO_CXX11_STD_ALIGN 236 #endif 237 238 #if defined(__has_include) 239 #if !__has_include(<shared_mutex>) 240 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 241 #elif __cplusplus <= 201103 242 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 243 #endif 244 #elif __cplusplus < 201402 || (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11) 245 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 246 #endif 247 248 // 249 // Headers not present on Solaris with the Oracle compiler: 250 #if defined(__SUNPRO_CC) 251 #define BOOST_NO_CXX11_HDR_FUTURE 252 #define BOOST_NO_CXX11_HDR_FORWARD_LIST 253 #define BOOST_NO_CXX11_HDR_ATOMIC 254 #endif 255 256 #if (!defined(_GLIBCXX_HAS_GTHREADS) || !defined(_GLIBCXX_USE_C99_STDINT_TR1)) 257 // Headers not always available: 258 # ifndef BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 259 # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 260 # endif 261 # ifndef BOOST_NO_CXX11_HDR_MUTEX 262 # define BOOST_NO_CXX11_HDR_MUTEX 263 # endif 264 # ifndef BOOST_NO_CXX11_HDR_THREAD 265 # define BOOST_NO_CXX11_HDR_THREAD 266 # endif 267 # ifndef BOOST_NO_CXX14_HDR_SHARED_MUTEX 268 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 269 # endif 270 #endif 271 272 #if (!defined(_GTHREAD_USE_MUTEX_TIMEDLOCK) || (_GTHREAD_USE_MUTEX_TIMEDLOCK == 0)) && !defined(BOOST_NO_CXX11_HDR_MUTEX) 273 // Timed mutexes are not always available: 274 # define BOOST_NO_CXX11_HDR_MUTEX 275 #endif 276 277 // --- end --- 278