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(<memory_resource>) 129 # define BOOST_LIBSTDCXX_VERSION 90100 130 #elif __has_include(<charconv>) 131 # define BOOST_LIBSTDCXX_VERSION 80100 132 #elif __has_include(<variant>) 133 # define BOOST_LIBSTDCXX_VERSION 70100 134 #elif __has_include(<experimental/memory_resource>) 135 # define BOOST_LIBSTDCXX_VERSION 60100 136 #elif __has_include(<experimental/any>) 137 # define BOOST_LIBSTDCXX_VERSION 50100 138 #elif __has_include(<shared_mutex>) 139 # define BOOST_LIBSTDCXX_VERSION 40900 140 #elif __has_include(<ext/cmath>) 141 # define BOOST_LIBSTDCXX_VERSION 40800 142 #elif __has_include(<scoped_allocator>) 143 # define BOOST_LIBSTDCXX_VERSION 40700 144 #elif __has_include(<typeindex>) 145 # define BOOST_LIBSTDCXX_VERSION 40600 146 #elif __has_include(<future>) 147 # define BOOST_LIBSTDCXX_VERSION 40500 148 #elif __has_include(<ratio>) 149 # define BOOST_LIBSTDCXX_VERSION 40400 150 #elif __has_include(<array>) 151 # define BOOST_LIBSTDCXX_VERSION 40300 152 #endif 153 154 #if (BOOST_LIBSTDCXX_VERSION < 50100) 155 // libstdc++ does not define this function as it's deprecated in C++11, but clang still looks for it, 156 // defining it here is a terrible cludge, but should get things working: 157 extern "C" char *gets (char *__s); 158 #endif 159 // 160 // clang is unable to parse some GCC headers, add those workarounds here: 161 // 162 #if BOOST_LIBSTDCXX_VERSION < 50000 163 # define BOOST_NO_CXX11_HDR_REGEX 164 #endif 165 // 166 // GCC 4.7.x has no __cxa_thread_atexit which 167 // thread_local objects require for cleanup: 168 // 169 #if BOOST_LIBSTDCXX_VERSION < 40800 170 # define BOOST_NO_CXX11_THREAD_LOCAL 171 #endif 172 // 173 // Early clang versions can handle <chrono>, not exactly sure which versions 174 // but certainly up to clang-3.8 and gcc-4.6: 175 // 176 #if (__clang_major__ < 5) 177 # if BOOST_LIBSTDCXX_VERSION < 40800 178 # define BOOST_NO_CXX11_HDR_FUTURE 179 # define BOOST_NO_CXX11_HDR_MUTEX 180 # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 181 # define BOOST_NO_CXX11_HDR_CHRONO 182 # endif 183 #endif 184 185 // 186 // GCC 4.8 and 9 add working versions of <atomic> and <regex> respectively. 187 // However, we have no test for these as the headers were present but broken 188 // in early GCC versions. 189 // 190 #endif 191 192 #if defined(__SUNPRO_CC) && (__SUNPRO_CC >= 0x5130) && (__cplusplus >= 201103L) 193 // 194 // Oracle Solaris compiler uses it's own verison of libstdc++ but doesn't 195 // set __GNUC__ 196 // 197 #if __SUNPRO_CC >= 0x5140 198 #define BOOST_LIBSTDCXX_VERSION 50100 199 #else 200 #define BOOST_LIBSTDCXX_VERSION 40800 201 #endif 202 #endif 203 204 #if !defined(BOOST_LIBSTDCXX_VERSION) 205 # define BOOST_LIBSTDCXX_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) 206 #endif 207 208 // std::auto_ptr isn't provided with _GLIBCXX_DEPRECATED=0 (GCC 4.5 and earlier) 209 // or _GLIBCXX_USE_DEPRECATED=0 (GCC 4.6 and later). 210 #if defined(BOOST_LIBSTDCXX11) 211 # if BOOST_LIBSTDCXX_VERSION < 40600 212 # if !_GLIBCXX_DEPRECATED 213 # define BOOST_NO_AUTO_PTR 214 # endif 215 # elif !_GLIBCXX_USE_DEPRECATED 216 # define BOOST_NO_AUTO_PTR 217 # endif 218 #endif 219 220 // C++0x headers in GCC 4.3.0 and later 221 // 222 #if (BOOST_LIBSTDCXX_VERSION < 40300) || !defined(BOOST_LIBSTDCXX11) 223 # define BOOST_NO_CXX11_HDR_ARRAY 224 # define BOOST_NO_CXX11_HDR_TUPLE 225 # define BOOST_NO_CXX11_HDR_UNORDERED_MAP 226 # define BOOST_NO_CXX11_HDR_UNORDERED_SET 227 # define BOOST_NO_CXX11_HDR_FUNCTIONAL 228 #endif 229 230 // C++0x headers in GCC 4.4.0 and later 231 // 232 #if (BOOST_LIBSTDCXX_VERSION < 40400) || !defined(BOOST_LIBSTDCXX11) 233 # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 234 # define BOOST_NO_CXX11_HDR_FORWARD_LIST 235 # define BOOST_NO_CXX11_HDR_INITIALIZER_LIST 236 # define BOOST_NO_CXX11_HDR_MUTEX 237 # define BOOST_NO_CXX11_HDR_RATIO 238 # define BOOST_NO_CXX11_HDR_SYSTEM_ERROR 239 # define BOOST_NO_CXX11_SMART_PTR 240 # define BOOST_NO_CXX11_HDR_EXCEPTION 241 #else 242 # define BOOST_HAS_TR1_COMPLEX_INVERSE_TRIG 243 # define BOOST_HAS_TR1_COMPLEX_OVERLOADS 244 #endif 245 246 // C++0x features in GCC 4.5.0 and later 247 // 248 #if (BOOST_LIBSTDCXX_VERSION < 40500) || !defined(BOOST_LIBSTDCXX11) 249 # define BOOST_NO_CXX11_NUMERIC_LIMITS 250 # define BOOST_NO_CXX11_HDR_FUTURE 251 # define BOOST_NO_CXX11_HDR_RANDOM 252 #endif 253 254 // C++0x features in GCC 4.6.0 and later 255 // 256 #if (BOOST_LIBSTDCXX_VERSION < 40600) || !defined(BOOST_LIBSTDCXX11) 257 # define BOOST_NO_CXX11_HDR_TYPEINDEX 258 # define BOOST_NO_CXX11_ADDRESSOF 259 # define BOOST_NO_CXX17_ITERATOR_TRAITS 260 #endif 261 262 // C++0x features in GCC 4.7.0 and later 263 // 264 #if (BOOST_LIBSTDCXX_VERSION < 40700) || !defined(BOOST_LIBSTDCXX11) 265 // Note that although <chrono> existed prior to 4.7, "steady_clock" is spelled "monotonic_clock" 266 // so 4.7.0 is the first truly conforming one. 267 # define BOOST_NO_CXX11_HDR_CHRONO 268 # define BOOST_NO_CXX11_ALLOCATOR 269 # define BOOST_NO_CXX11_POINTER_TRAITS 270 #endif 271 // C++0x features in GCC 4.8.0 and later 272 // 273 #if (BOOST_LIBSTDCXX_VERSION < 40800) || !defined(BOOST_LIBSTDCXX11) 274 // Note that although <atomic> existed prior to gcc 4.8 it was largely unimplemented for many types: 275 # define BOOST_NO_CXX11_HDR_ATOMIC 276 # define BOOST_NO_CXX11_HDR_THREAD 277 #endif 278 // C++0x features in GCC 4.9.0 and later 279 // 280 #if (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11) 281 // Although <regex> is present and compilable against, the actual implementation is not functional 282 // even for the simplest patterns such as "\d" or "[0-9]". This is the case at least in gcc up to 4.8, inclusively. 283 # define BOOST_NO_CXX11_HDR_REGEX 284 #endif 285 #if (BOOST_LIBSTDCXX_VERSION < 40900) || (__cplusplus <= 201103) 286 # define BOOST_NO_CXX14_STD_EXCHANGE 287 #endif 288 289 #if defined(__clang_major__) && ((__clang_major__ < 3) || ((__clang_major__ == 3) && (__clang_minor__ < 7))) 290 // As of clang-3.6, libstdc++ header <atomic> throws up errors with clang: 291 # define BOOST_NO_CXX11_HDR_ATOMIC 292 #endif 293 // 294 // C++0x features in GCC 5.1 and later 295 // 296 #if (BOOST_LIBSTDCXX_VERSION < 50100) || !defined(BOOST_LIBSTDCXX11) 297 # define BOOST_NO_CXX11_HDR_TYPE_TRAITS 298 # define BOOST_NO_CXX11_HDR_CODECVT 299 # define BOOST_NO_CXX11_ATOMIC_SMART_PTR 300 # define BOOST_NO_CXX11_STD_ALIGN 301 #endif 302 303 // 304 // C++17 features in GCC 7.1 and later 305 // 306 #if (BOOST_LIBSTDCXX_VERSION < 70100) || (__cplusplus <= 201402L) 307 # define BOOST_NO_CXX17_STD_INVOKE 308 # define BOOST_NO_CXX17_STD_APPLY 309 # define BOOST_NO_CXX17_HDR_OPTIONAL 310 # define BOOST_NO_CXX17_HDR_STRING_VIEW 311 # define BOOST_NO_CXX17_HDR_VARIANT 312 #endif 313 314 #if defined(__has_include) 315 #if !__has_include(<shared_mutex>) 316 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 317 #elif __cplusplus <= 201103 318 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 319 #endif 320 #elif __cplusplus < 201402 || (BOOST_LIBSTDCXX_VERSION < 40900) || !defined(BOOST_LIBSTDCXX11) 321 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 322 #endif 323 324 // 325 // Headers not present on Solaris with the Oracle compiler: 326 #if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5140) 327 #define BOOST_NO_CXX11_HDR_FUTURE 328 #define BOOST_NO_CXX11_HDR_FORWARD_LIST 329 #define BOOST_NO_CXX11_HDR_ATOMIC 330 // shared_ptr is present, but is not convertible to bool 331 // which causes all kinds of problems especially in Boost.Thread 332 // but probably elsewhere as well. 333 #define BOOST_NO_CXX11_SMART_PTR 334 #endif 335 336 #if (!defined(_GLIBCXX_HAS_GTHREADS) || !defined(_GLIBCXX_USE_C99_STDINT_TR1)) 337 // Headers not always available: 338 # ifndef BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 339 # define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE 340 # endif 341 # ifndef BOOST_NO_CXX11_HDR_MUTEX 342 # define BOOST_NO_CXX11_HDR_MUTEX 343 # endif 344 # ifndef BOOST_NO_CXX11_HDR_THREAD 345 # define BOOST_NO_CXX11_HDR_THREAD 346 # endif 347 # ifndef BOOST_NO_CXX14_HDR_SHARED_MUTEX 348 # define BOOST_NO_CXX14_HDR_SHARED_MUTEX 349 # endif 350 #endif 351 352 #if (!defined(_GTHREAD_USE_MUTEX_TIMEDLOCK) || (_GTHREAD_USE_MUTEX_TIMEDLOCK == 0)) && !defined(BOOST_NO_CXX11_HDR_MUTEX) 353 // Timed mutexes are not always available: 354 # define BOOST_NO_CXX11_HDR_MUTEX 355 #endif 356 357 // --- end --- 358