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 #ifndef __VXWORKS__ // VxWorks uses Dinkum, not GNU STL with GCC 82 #if defined(__GLIBCXX__) || (defined(__GLIBCPP__) && __GLIBCPP__>=20020514) // GCC >= 3.1.0 83 # define BOOST_STD_EXTENSION_NAMESPACE __gnu_cxx 84 # define BOOST_HAS_SLIST 85 # define BOOST_HAS_HASH 86 # define BOOST_SLIST_HEADER <ext/slist> 87 # if !defined(__GNUC__) || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3) 88 # define BOOST_HASH_SET_HEADER <ext/hash_set> 89 # define BOOST_HASH_MAP_HEADER <ext/hash_map> 90 # else 91 # define BOOST_HASH_SET_HEADER <backward/hash_set> 92 # define BOOST_HASH_MAP_HEADER <backward/hash_map> 93 # endif 94 #endif 95 #endif 96 97 // 98 // Decide whether we have C++11 support turned on: 99 // 100 #if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103) 101 # define BOOST_LIBSTDCXX11 102 #endif 103 104 // 105 // Decide which version of libstdc++ we have, normally 106 // libstdc++ C++0x support is detected via __GNUC__, __GNUC_MINOR__, and possibly 107 // __GNUC_PATCHLEVEL__ at the suggestion of Jonathan Wakely, one of the libstdc++ 108 // developers. He also commented: 109 // 110 // "I'm not sure how useful __GLIBCXX__ is for your purposes, for instance in 111 // GCC 4.2.4 it is set to 20080519 but in GCC 4.3.0 it is set to 20080305. 112 // Although 4.3.0 was released earlier than 4.2.4, it has better C++0x support 113 // than any release in the 4.2 series." 114 // 115 // Another resource for understanding libstdc++ features is: 116 // http://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#manual.intro.status.standard.200x 117 // 118 // However, using the GCC version number fails when the compiler is clang since this 119 // only ever claims to emulate GCC-4.2, see https://svn.boost.org/trac/boost/ticket/7473 120 // for a long discussion on this issue. What we can do though is use clang's __has_include 121 // to detect the presence of a C++11 header that was introduced with a specific GCC release. 122 // We still have to be careful though as many such headers were buggy and/or incomplete when 123 // first introduced, so we only check for headers that were fully featured from day 1, and then 124 // use that to infer the underlying GCC version: 125 // 126 #ifdef __clang__ 127 128 #if __has_include(<experimental/memory_resource>) 129 # define BOOST_LIBSTDCXX_VERSION 60100 130 #elif __has_include(<experimental/any>) 131 # define BOOST_LIBSTDCXX_VERSION 50100 132 #elif __has_include(<shared_mutex>) 133 # define BOOST_LIBSTDCXX_VERSION 40900 134 #elif __has_include(<ext/cmath>) 135 # define BOOST_LIBSTDCXX_VERSION 40800 136 #elif __has_include(<scoped_allocator>) 137 # define BOOST_LIBSTDCXX_VERSION 40700 138 #elif __has_include(<typeindex>) 139 # define BOOST_LIBSTDCXX_VERSION 40600 140 #elif __has_include(<future>) 141 # define BOOST_LIBSTDCXX_VERSION 40500 142 #elif __has_include(<ratio>) 143 # define BOOST_LIBSTDCXX_VERSION 40400 144 #elif __has_include(<array>) 145 # define BOOST_LIBSTDCXX_VERSION 40300 146 #endif 147 148 #if (BOOST_LIBSTDCXX_VERSION < 50100) 149 // libstdc++ does not define this function as it's deprecated in C++11, but clang still looks for it, 150 // defining it here is a terrible cludge, but should get things working: 151 extern "C" char *gets (char *__s); 152 #endif 153 // 154 // clang is unable to parse some GCC headers, add those workarounds here: 155 // 156 #if BOOST_LIBSTDCXX_VERSION < 50000 157 # define BOOST_NO_CXX11_HDR_REGEX 158 #endif 159 // 160 // GCC 4.7.x has no __cxa_thread_atexit which 161 // thread_local objects require for cleanup: 162 // 163 #if BOOST_LIBSTDCXX_VERSION < 40800 164 # define BOOST_NO_CXX11_THREAD_LOCAL 165 #endif 166 // 167 // Early clang versions can handle <chrono>, not exactly sure which versions 168 // but certainly up to clang-3.8 and gcc-4.6: 169 // 170 #if (__clang_major__ < 5) 171 # if BOOST_LIBSTDCXX_VERSION < 40800 172 # define BOOST_NO_CXX11_HDR_FUTURE 173 # define BOOST_NO_CXX11_HDR_MUTEX 174 # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 175 # define BOOST_NO_CXX11_HDR_CHRONO 176 # endif 177 #endif 178 179 // 180 // GCC 4.8 and 9 add working versions of <atomic> and <regex> respectively. 181 // However, we have no test for these as the headers were present but broken 182 // in early GCC versions. 183 // 184 #endif 185 186 #if defined(__SUNPRO_CC) && (__SUNPRO_CC >= 0x5130) && (__cplusplus >= 201103L) 187 // 188 // Oracle Solaris compiler uses it's own verison of libstdc++ but doesn't 189 // set __GNUC__ 190 // 191 #if __SUNPRO_CC >= 0x5140 192 #define BOOST_LIBSTDCXX_VERSION 50100 193 #else 194 #define BOOST_LIBSTDCXX_VERSION 40800 195 #endif 196 #endif 197 198 #if !defined(BOOST_LIBSTDCXX_VERSION) 199 # define BOOST_LIBSTDCXX_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) 200 #endif 201 202 // std::auto_ptr isn't provided with _GLIBCXX_DEPRECATED=0 (GCC 4.5 and earlier) 203 // or _GLIBCXX_USE_DEPRECATED=0 (GCC 4.6 and later). 204 #if defined(BOOST_LIBSTDCXX11) 205 # if BOOST_LIBSTDCXX_VERSION < 40600 206 # if !_GLIBCXX_DEPRECATED 207 # define BOOST_NO_AUTO_PTR 208 # endif 209 # elif !_GLIBCXX_USE_DEPRECATED 210 # define BOOST_NO_AUTO_PTR 211 # endif 212 #endif 213 214 // C++0x headers in GCC 4.3.0 and later 215 // 216 #if (BOOST_LIBSTDCXX_VERSION < 40300) || !defined(BOOST_LIBSTDCXX11) 217 # define BOOST_NO_CXX11_HDR_ARRAY 218 # define BOOST_NO_CXX11_HDR_TUPLE 219 # define BOOST_NO_CXX11_HDR_UNORDERED_MAP 220 # define BOOST_NO_CXX11_HDR_UNORDERED_SET 221 # define BOOST_NO_CXX11_HDR_FUNCTIONAL 222 #endif 223 224 // C++0x headers in GCC 4.4.0 and later 225 // 226 #if (BOOST_LIBSTDCXX_VERSION < 40400) || !defined(BOOST_LIBSTDCXX11) 227 # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 228 # define BOOST_NO_CXX11_HDR_FORWARD_LIST 229 # define BOOST_NO_CXX11_HDR_INITIALIZER_LIST 230 # define BOOST_NO_CXX11_HDR_MUTEX 231 # define BOOST_NO_CXX11_HDR_RATIO 232 # define BOOST_NO_CXX11_HDR_SYSTEM_ERROR 233 # define BOOST_NO_CXX11_SMART_PTR 234 #else 235 # define BOOST_HAS_TR1_COMPLEX_INVERSE_TRIG 236 # define BOOST_HAS_TR1_COMPLEX_OVERLOADS 237 #endif 238 239 // C++0x features in GCC 4.5.0 and later 240 // 241 #if (BOOST_LIBSTDCXX_VERSION < 40500) || !defined(BOOST_LIBSTDCXX11) 242 # define BOOST_NO_CXX11_NUMERIC_LIMITS 243 # define BOOST_NO_CXX11_HDR_FUTURE 244 # define BOOST_NO_CXX11_HDR_RANDOM 245 #endif 246 247 // C++0x features in GCC 4.6.0 and later 248 // 249 #if (BOOST_LIBSTDCXX_VERSION < 40600) || !defined(BOOST_LIBSTDCXX11) 250 # define BOOST_NO_CXX11_HDR_TYPEINDEX 251 # define BOOST_NO_CXX11_ADDRESSOF 252 # define BOOST_NO_CXX17_ITERATOR_TRAITS 253 #endif 254 255 // C++0x features in GCC 4.7.0 and later 256 // 257 #if (BOOST_LIBSTDCXX_VERSION < 40700) || !defined(BOOST_LIBSTDCXX11) 258 // Note that although <chrono> existed prior to 4.7, "steady_clock" is spelled "monotonic_clock" 259 // so 4.7.0 is the first truly conforming one. 260 # define BOOST_NO_CXX11_HDR_CHRONO 261 # define BOOST_NO_CXX11_ALLOCATOR 262 # define BOOST_NO_CXX11_POINTER_TRAITS 263 #endif 264 // C++0x features in GCC 4.8.0 and later 265 // 266 #if (BOOST_LIBSTDCXX_VERSION < 40800) || !defined(BOOST_LIBSTDCXX11) 267 // Note that although <atomic> existed prior to gcc 4.8 it was largely unimplemented for many types: 268 # define BOOST_NO_CXX11_HDR_ATOMIC 269 # define BOOST_NO_CXX11_HDR_THREAD 270 #endif 271 // C++0x features in GCC 4.9.0 and later 272 // 273 #if (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11) 274 // Although <regex> is present and compilable against, the actual implementation is not functional 275 // even for the simplest patterns such as "\d" or "[0-9]". This is the case at least in gcc up to 4.8, inclusively. 276 # define BOOST_NO_CXX11_HDR_REGEX 277 #endif 278 #if (BOOST_LIBSTDCXX_VERSION < 40900) || (__cplusplus <= 201103) 279 # define BOOST_NO_CXX14_STD_EXCHANGE 280 #endif 281 282 #if defined(__clang_major__) && ((__clang_major__ < 3) || ((__clang_major__ == 3) && (__clang_minor__ < 7))) 283 // As of clang-3.6, libstdc++ header <atomic> throws up errors with clang: 284 # define BOOST_NO_CXX11_HDR_ATOMIC 285 #endif 286 // 287 // C++0x features in GCC 5.1 and later 288 // 289 #if (BOOST_LIBSTDCXX_VERSION < 50100) || !defined(BOOST_LIBSTDCXX11) 290 # define BOOST_NO_CXX11_HDR_TYPE_TRAITS 291 # define BOOST_NO_CXX11_HDR_CODECVT 292 # define BOOST_NO_CXX11_ATOMIC_SMART_PTR 293 # define BOOST_NO_CXX11_STD_ALIGN 294 #endif 295 296 // 297 // C++17 features in GCC 6.1 and later 298 // 299 #if (BOOST_LIBSTDCXX_VERSION < 60100) || (__cplusplus <= 201402L) 300 # define BOOST_NO_CXX17_STD_INVOKE 301 #endif 302 #if (BOOST_LIBSTDCXX_VERSION < 70100) || (__cplusplus <= 201402L) 303 # define BOOST_NO_CXX17_STD_APPLY 304 #endif 305 306 #if defined(__has_include) 307 #if !__has_include(<shared_mutex>) 308 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 309 #elif __cplusplus <= 201103 310 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 311 #endif 312 #elif __cplusplus < 201402 || (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11) 313 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 314 #endif 315 316 // 317 // Headers not present on Solaris with the Oracle compiler: 318 #if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5140) 319 #define BOOST_NO_CXX11_HDR_FUTURE 320 #define BOOST_NO_CXX11_HDR_FORWARD_LIST 321 #define BOOST_NO_CXX11_HDR_ATOMIC 322 // shared_ptr is present, but is not convertible to bool 323 // which causes all kinds of problems especially in Boost.Thread 324 // but probably elsewhere as well. 325 #define BOOST_NO_CXX11_SMART_PTR 326 #endif 327 328 #if (!defined(_GLIBCXX_HAS_GTHREADS) || !defined(_GLIBCXX_USE_C99_STDINT_TR1)) 329 // Headers not always available: 330 # ifndef BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 331 # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 332 # endif 333 # ifndef BOOST_NO_CXX11_HDR_MUTEX 334 # define BOOST_NO_CXX11_HDR_MUTEX 335 # endif 336 # ifndef BOOST_NO_CXX11_HDR_THREAD 337 # define BOOST_NO_CXX11_HDR_THREAD 338 # endif 339 # ifndef BOOST_NO_CXX14_HDR_SHARED_MUTEX 340 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 341 # endif 342 #endif 343 344 #if (!defined(_GTHREAD_USE_MUTEX_TIMEDLOCK) || (_GTHREAD_USE_MUTEX_TIMEDLOCK == 0)) && !defined(BOOST_NO_CXX11_HDR_MUTEX) 345 // Timed mutexes are not always available: 346 # define BOOST_NO_CXX11_HDR_MUTEX 347 #endif 348 349 // --- end --- 350