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 #if defined(__has_include) 98 #if defined(BOOST_HAS_HASH) 99 #if !__has_include(BOOST_HASH_SET_HEADER) || (__GNUC__ >= 10) 100 #undef BOOST_HAS_HASH 101 #undef BOOST_HAS_SET_HEADER 102 #undef BOOST_HAS_MAP_HEADER 103 #endif 104 #if !__has_include(BOOST_SLIST_HEADER) 105 #undef BOOST_HAS_SLIST 106 #undef BOOST_HAS_SLIST_HEADER 107 #endif 108 #endif 109 #endif 110 111 // 112 // Decide whether we have C++11 support turned on: 113 // 114 #if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103) 115 # define BOOST_LIBSTDCXX11 116 #endif 117 118 // 119 // Decide which version of libstdc++ we have, normally 120 // libstdc++ C++0x support is detected via __GNUC__, __GNUC_MINOR__, and possibly 121 // __GNUC_PATCHLEVEL__ at the suggestion of Jonathan Wakely, one of the libstdc++ 122 // developers. He also commented: 123 // 124 // "I'm not sure how useful __GLIBCXX__ is for your purposes, for instance in 125 // GCC 4.2.4 it is set to 20080519 but in GCC 4.3.0 it is set to 20080305. 126 // Although 4.3.0 was released earlier than 4.2.4, it has better C++0x support 127 // than any release in the 4.2 series." 128 // 129 // Another resource for understanding libstdc++ features is: 130 // http://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#manual.intro.status.standard.200x 131 // 132 // However, using the GCC version number fails when the compiler is clang since this 133 // only ever claims to emulate GCC-4.2, see https://svn.boost.org/trac/boost/ticket/7473 134 // for a long discussion on this issue. What we can do though is use clang's __has_include 135 // to detect the presence of a C++11 header that was introduced with a specific GCC release. 136 // We still have to be careful though as many such headers were buggy and/or incomplete when 137 // first introduced, so we only check for headers that were fully featured from day 1, and then 138 // use that to infer the underlying GCC version: 139 // 140 #ifdef __clang__ 141 142 #if __has_include(<compare>) 143 # define BOOST_LIBSTDCXX_VERSION 100100 144 #elif __has_include(<memory_resource>) 145 # define BOOST_LIBSTDCXX_VERSION 90100 146 #elif __has_include(<charconv>) 147 # define BOOST_LIBSTDCXX_VERSION 80100 148 #elif __has_include(<variant>) 149 # define BOOST_LIBSTDCXX_VERSION 70100 150 #elif __has_include(<experimental/memory_resource>) 151 # define BOOST_LIBSTDCXX_VERSION 60100 152 #elif __has_include(<experimental/any>) 153 # define BOOST_LIBSTDCXX_VERSION 50100 154 #elif __has_include(<shared_mutex>) 155 # define BOOST_LIBSTDCXX_VERSION 40900 156 #elif __has_include(<ext/cmath>) 157 # define BOOST_LIBSTDCXX_VERSION 40800 158 #elif __has_include(<scoped_allocator>) 159 # define BOOST_LIBSTDCXX_VERSION 40700 160 #elif __has_include(<typeindex>) 161 # define BOOST_LIBSTDCXX_VERSION 40600 162 #elif __has_include(<future>) 163 # define BOOST_LIBSTDCXX_VERSION 40500 164 #elif __has_include(<ratio>) 165 # define BOOST_LIBSTDCXX_VERSION 40400 166 #elif __has_include(<array>) 167 # define BOOST_LIBSTDCXX_VERSION 40300 168 #endif 169 170 #if (BOOST_LIBSTDCXX_VERSION >= 100000) && defined(BOOST_HAS_HASH) 171 // 172 // hash_set/hash_map deprecated and have terminal bugs: 173 // 174 #undef BOOST_HAS_HASH 175 #undef BOOST_HAS_SET_HEADER 176 #undef BOOST_HAS_MAP_HEADER 177 #endif 178 179 180 #if (BOOST_LIBSTDCXX_VERSION < 50100) 181 // libstdc++ does not define this function as it's deprecated in C++11, but clang still looks for it, 182 // defining it here is a terrible cludge, but should get things working: 183 extern "C" char *gets (char *__s); 184 #endif 185 // 186 // clang is unable to parse some GCC headers, add those workarounds here: 187 // 188 #if BOOST_LIBSTDCXX_VERSION < 50000 189 # define BOOST_NO_CXX11_HDR_REGEX 190 #endif 191 // 192 // GCC 4.7.x has no __cxa_thread_atexit which 193 // thread_local objects require for cleanup: 194 // 195 #if BOOST_LIBSTDCXX_VERSION < 40800 196 # define BOOST_NO_CXX11_THREAD_LOCAL 197 #endif 198 // 199 // Early clang versions can handle <chrono>, not exactly sure which versions 200 // but certainly up to clang-3.8 and gcc-4.6: 201 // 202 #if (__clang_major__ < 5) 203 # if BOOST_LIBSTDCXX_VERSION < 40800 204 # define BOOST_NO_CXX11_HDR_FUTURE 205 # define BOOST_NO_CXX11_HDR_MUTEX 206 # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 207 # define BOOST_NO_CXX11_HDR_CHRONO 208 # endif 209 #endif 210 211 // 212 // GCC 4.8 and 9 add working versions of <atomic> and <regex> respectively. 213 // However, we have no test for these as the headers were present but broken 214 // in early GCC versions. 215 // 216 #endif 217 218 #if defined(__SUNPRO_CC) && (__SUNPRO_CC >= 0x5130) && (__cplusplus >= 201103L) 219 // 220 // Oracle Solaris compiler uses it's own verison of libstdc++ but doesn't 221 // set __GNUC__ 222 // 223 #if __SUNPRO_CC >= 0x5140 224 #define BOOST_LIBSTDCXX_VERSION 50100 225 #else 226 #define BOOST_LIBSTDCXX_VERSION 40800 227 #endif 228 #endif 229 230 #if !defined(BOOST_LIBSTDCXX_VERSION) 231 # define BOOST_LIBSTDCXX_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) 232 #endif 233 234 // std::auto_ptr isn't provided with _GLIBCXX_DEPRECATED=0 (GCC 4.5 and earlier) 235 // or _GLIBCXX_USE_DEPRECATED=0 (GCC 4.6 and later). 236 #if defined(BOOST_LIBSTDCXX11) 237 # if BOOST_LIBSTDCXX_VERSION < 40600 238 # if !_GLIBCXX_DEPRECATED 239 # define BOOST_NO_AUTO_PTR 240 # endif 241 # elif !_GLIBCXX_USE_DEPRECATED 242 # define BOOST_NO_AUTO_PTR 243 # define BOOST_NO_CXX98_BINDERS 244 # endif 245 #endif 246 247 // C++0x headers in GCC 4.3.0 and later 248 // 249 #if (BOOST_LIBSTDCXX_VERSION < 40300) || !defined(BOOST_LIBSTDCXX11) 250 # define BOOST_NO_CXX11_HDR_ARRAY 251 # define BOOST_NO_CXX11_HDR_TUPLE 252 # define BOOST_NO_CXX11_HDR_UNORDERED_MAP 253 # define BOOST_NO_CXX11_HDR_UNORDERED_SET 254 # define BOOST_NO_CXX11_HDR_FUNCTIONAL 255 #endif 256 257 // C++0x headers in GCC 4.4.0 and later 258 // 259 #if (BOOST_LIBSTDCXX_VERSION < 40400) || !defined(BOOST_LIBSTDCXX11) 260 # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 261 # define BOOST_NO_CXX11_HDR_FORWARD_LIST 262 # define BOOST_NO_CXX11_HDR_INITIALIZER_LIST 263 # define BOOST_NO_CXX11_HDR_MUTEX 264 # define BOOST_NO_CXX11_HDR_RATIO 265 # define BOOST_NO_CXX11_HDR_SYSTEM_ERROR 266 # define BOOST_NO_CXX11_SMART_PTR 267 # define BOOST_NO_CXX11_HDR_EXCEPTION 268 #else 269 # define BOOST_HAS_TR1_COMPLEX_INVERSE_TRIG 270 # define BOOST_HAS_TR1_COMPLEX_OVERLOADS 271 #endif 272 273 // C++0x features in GCC 4.5.0 and later 274 // 275 #if (BOOST_LIBSTDCXX_VERSION < 40500) || !defined(BOOST_LIBSTDCXX11) 276 # define BOOST_NO_CXX11_NUMERIC_LIMITS 277 # define BOOST_NO_CXX11_HDR_FUTURE 278 # define BOOST_NO_CXX11_HDR_RANDOM 279 #endif 280 281 // C++0x features in GCC 4.6.0 and later 282 // 283 #if (BOOST_LIBSTDCXX_VERSION < 40600) || !defined(BOOST_LIBSTDCXX11) 284 # define BOOST_NO_CXX11_HDR_TYPEINDEX 285 # define BOOST_NO_CXX11_ADDRESSOF 286 # define BOOST_NO_CXX17_ITERATOR_TRAITS 287 #endif 288 289 // C++0x features in GCC 4.7.0 and later 290 // 291 #if (BOOST_LIBSTDCXX_VERSION < 40700) || !defined(BOOST_LIBSTDCXX11) 292 // Note that although <chrono> existed prior to 4.7, "steady_clock" is spelled "monotonic_clock" 293 // so 4.7.0 is the first truly conforming one. 294 # define BOOST_NO_CXX11_HDR_CHRONO 295 # define BOOST_NO_CXX11_ALLOCATOR 296 # define BOOST_NO_CXX11_POINTER_TRAITS 297 #endif 298 // C++0x features in GCC 4.8.0 and later 299 // 300 #if (BOOST_LIBSTDCXX_VERSION < 40800) || !defined(BOOST_LIBSTDCXX11) 301 // Note that although <atomic> existed prior to gcc 4.8 it was largely unimplemented for many types: 302 # define BOOST_NO_CXX11_HDR_ATOMIC 303 # define BOOST_NO_CXX11_HDR_THREAD 304 #endif 305 // C++0x features in GCC 4.9.0 and later 306 // 307 #if (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11) 308 // Although <regex> is present and compilable against, the actual implementation is not functional 309 // even for the simplest patterns such as "\d" or "[0-9]". This is the case at least in gcc up to 4.8, inclusively. 310 # define BOOST_NO_CXX11_HDR_REGEX 311 #endif 312 #if (BOOST_LIBSTDCXX_VERSION < 40900) || (__cplusplus <= 201103) 313 # define BOOST_NO_CXX14_STD_EXCHANGE 314 #endif 315 316 #if defined(__clang_major__) && ((__clang_major__ < 3) || ((__clang_major__ == 3) && (__clang_minor__ < 7))) 317 // As of clang-3.6, libstdc++ header <atomic> throws up errors with clang: 318 # define BOOST_NO_CXX11_HDR_ATOMIC 319 #endif 320 // 321 // C++0x features in GCC 5.1 and later 322 // 323 #if (BOOST_LIBSTDCXX_VERSION < 50100) || !defined(BOOST_LIBSTDCXX11) 324 # define BOOST_NO_CXX11_HDR_TYPE_TRAITS 325 # define BOOST_NO_CXX11_HDR_CODECVT 326 # define BOOST_NO_CXX11_ATOMIC_SMART_PTR 327 # define BOOST_NO_CXX11_STD_ALIGN 328 #endif 329 330 // 331 // C++17 features in GCC 7.1 and later 332 // 333 #if (BOOST_LIBSTDCXX_VERSION < 70100) || (__cplusplus <= 201402L) 334 # define BOOST_NO_CXX17_STD_INVOKE 335 # define BOOST_NO_CXX17_STD_APPLY 336 # define BOOST_NO_CXX17_HDR_OPTIONAL 337 # define BOOST_NO_CXX17_HDR_STRING_VIEW 338 # define BOOST_NO_CXX17_HDR_VARIANT 339 #endif 340 341 #if defined(__has_include) 342 #if !__has_include(<shared_mutex>) 343 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 344 #elif __cplusplus <= 201103 345 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 346 #endif 347 // 348 // <execution> has a dependency to Intel's thread building blocks: 349 // unless these are installed seperately, including <execution> leads 350 // to inscrutable errors inside libstdc++'s own headers. 351 // 352 #if (BOOST_LIBSTDCXX_VERSION < 100100) 353 #if !__has_include(<tbb/tbb.h>) 354 #define BOOST_NO_CXX17_HDR_EXECUTION 355 #endif 356 #endif 357 #elif __cplusplus < 201402 || (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11) 358 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 359 #endif 360 361 #if BOOST_LIBSTDCXX_VERSION < 100100 362 // 363 // The header may be present but is incomplete: 364 // 365 # define BOOST_NO_CXX17_HDR_CHARCONV 366 #endif 367 368 // 369 // Headers not present on Solaris with the Oracle compiler: 370 #if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5140) 371 #define BOOST_NO_CXX11_HDR_FUTURE 372 #define BOOST_NO_CXX11_HDR_FORWARD_LIST 373 #define BOOST_NO_CXX11_HDR_ATOMIC 374 // shared_ptr is present, but is not convertible to bool 375 // which causes all kinds of problems especially in Boost.Thread 376 // but probably elsewhere as well. 377 #define BOOST_NO_CXX11_SMART_PTR 378 #endif 379 380 #if (!defined(_GLIBCXX_HAS_GTHREADS) || !defined(_GLIBCXX_USE_C99_STDINT_TR1)) 381 // Headers not always available: 382 # ifndef BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 383 # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 384 # endif 385 # ifndef BOOST_NO_CXX11_HDR_MUTEX 386 # define BOOST_NO_CXX11_HDR_MUTEX 387 # endif 388 # ifndef BOOST_NO_CXX11_HDR_THREAD 389 # define BOOST_NO_CXX11_HDR_THREAD 390 # endif 391 # ifndef BOOST_NO_CXX14_HDR_SHARED_MUTEX 392 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 393 # endif 394 #endif 395 396 #if (!defined(_GTHREAD_USE_MUTEX_TIMEDLOCK) || (_GTHREAD_USE_MUTEX_TIMEDLOCK == 0)) && !defined(BOOST_NO_CXX11_HDR_MUTEX) 397 // Timed mutexes are not always available: 398 # define BOOST_NO_CXX11_HDR_MUTEX 399 #endif 400 401 // --- end --- 402