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