1 // Boost config.hpp configuration header file ------------------------------// 2 // boostinspect:ndprecated_macros -- tell the inspect tool to ignore this file 3 4 // Copyright (c) 2001-2003 John Maddock 5 // Copyright (c) 2001 Darin Adler 6 // Copyright (c) 2001 Peter Dimov 7 // Copyright (c) 2002 Bill Kempf 8 // Copyright (c) 2002 Jens Maurer 9 // Copyright (c) 2002-2003 David Abrahams 10 // Copyright (c) 2003 Gennaro Prota 11 // Copyright (c) 2003 Eric Friedman 12 // Copyright (c) 2010 Eric Jourdanneau, Joel Falcou 13 // Distributed under the Boost Software License, Version 1.0. (See 14 // accompanying file LICENSE_1_0.txt or copy at 15 // http://www.boost.org/LICENSE_1_0.txt) 16 17 // See http://www.boost.org/ for most recent version. 18 19 // Boost config.hpp policy and rationale documentation has been moved to 20 // http://www.boost.org/libs/config/ 21 // 22 // This file is intended to be stable, and relatively unchanging. 23 // It should contain boilerplate code only - no compiler specific 24 // code unless it is unavoidable - no changes unless unavoidable. 25 26 #ifndef BOOST_CONFIG_SUFFIX_HPP 27 #define BOOST_CONFIG_SUFFIX_HPP 28 29 #if defined(__GNUC__) && (__GNUC__ >= 4) 30 // 31 // Some GCC-4.x versions issue warnings even when __extension__ is used, 32 // so use this as a workaround: 33 // 34 #pragma GCC system_header 35 #endif 36 37 // 38 // ensure that visibility macros are always defined, thus symplifying use 39 // 40 #ifndef BOOST_SYMBOL_EXPORT 41 # define BOOST_SYMBOL_EXPORT 42 #endif 43 #ifndef BOOST_SYMBOL_IMPORT 44 # define BOOST_SYMBOL_IMPORT 45 #endif 46 #ifndef BOOST_SYMBOL_VISIBLE 47 # define BOOST_SYMBOL_VISIBLE 48 #endif 49 50 // 51 // look for long long by looking for the appropriate macros in <limits.h>. 52 // Note that we use limits.h rather than climits for maximal portability, 53 // remember that since these just declare a bunch of macros, there should be 54 // no namespace issues from this. 55 // 56 #if !defined(BOOST_HAS_LONG_LONG) && !defined(BOOST_NO_LONG_LONG) \ 57 && !defined(BOOST_MSVC) && !defined(__BORLANDC__) 58 # include <limits.h> 59 # if (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX)) 60 # define BOOST_HAS_LONG_LONG 61 # else 62 # define BOOST_NO_LONG_LONG 63 # endif 64 #endif 65 66 // GCC 3.x will clean up all of those nasty macro definitions that 67 // BOOST_NO_CTYPE_FUNCTIONS is intended to help work around, so undefine 68 // it under GCC 3.x. 69 #if defined(__GNUC__) && (__GNUC__ >= 3) && defined(BOOST_NO_CTYPE_FUNCTIONS) 70 # undef BOOST_NO_CTYPE_FUNCTIONS 71 #endif 72 73 // 74 // Assume any extensions are in namespace std:: unless stated otherwise: 75 // 76 # ifndef BOOST_STD_EXTENSION_NAMESPACE 77 # define BOOST_STD_EXTENSION_NAMESPACE std 78 # endif 79 80 // 81 // If cv-qualified specializations are not allowed, then neither are cv-void ones: 82 // 83 # if defined(BOOST_NO_CV_SPECIALIZATIONS) \ 84 && !defined(BOOST_NO_CV_VOID_SPECIALIZATIONS) 85 # define BOOST_NO_CV_VOID_SPECIALIZATIONS 86 # endif 87 88 // 89 // If there is no numeric_limits template, then it can't have any compile time 90 // constants either! 91 // 92 # if defined(BOOST_NO_LIMITS) \ 93 && !defined(BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS) 94 # define BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS 95 # define BOOST_NO_MS_INT64_NUMERIC_LIMITS 96 # define BOOST_NO_LONG_LONG_NUMERIC_LIMITS 97 # endif 98 99 // 100 // if there is no long long then there is no specialisation 101 // for numeric_limits<long long> either: 102 // 103 #if !defined(BOOST_HAS_LONG_LONG) && !defined(BOOST_NO_LONG_LONG_NUMERIC_LIMITS) 104 # define BOOST_NO_LONG_LONG_NUMERIC_LIMITS 105 #endif 106 107 // 108 // if there is no __int64 then there is no specialisation 109 // for numeric_limits<__int64> either: 110 // 111 #if !defined(BOOST_HAS_MS_INT64) && !defined(BOOST_NO_MS_INT64_NUMERIC_LIMITS) 112 # define BOOST_NO_MS_INT64_NUMERIC_LIMITS 113 #endif 114 115 // 116 // if member templates are supported then so is the 117 // VC6 subset of member templates: 118 // 119 # if !defined(BOOST_NO_MEMBER_TEMPLATES) \ 120 && !defined(BOOST_MSVC6_MEMBER_TEMPLATES) 121 # define BOOST_MSVC6_MEMBER_TEMPLATES 122 # endif 123 124 // 125 // Without partial specialization, can't test for partial specialisation bugs: 126 // 127 # if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ 128 && !defined(BOOST_BCB_PARTIAL_SPECIALIZATION_BUG) 129 # define BOOST_BCB_PARTIAL_SPECIALIZATION_BUG 130 # endif 131 132 // 133 // Without partial specialization, we can't have array-type partial specialisations: 134 // 135 # if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ 136 && !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS) 137 # define BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS 138 # endif 139 140 // 141 // Without partial specialization, std::iterator_traits can't work: 142 // 143 # if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ 144 && !defined(BOOST_NO_STD_ITERATOR_TRAITS) 145 # define BOOST_NO_STD_ITERATOR_TRAITS 146 # endif 147 148 // 149 // Without partial specialization, partial 150 // specialization with default args won't work either: 151 // 152 # if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ 153 && !defined(BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS) 154 # define BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS 155 # endif 156 157 // 158 // Without member template support, we can't have template constructors 159 // in the standard library either: 160 // 161 # if defined(BOOST_NO_MEMBER_TEMPLATES) \ 162 && !defined(BOOST_MSVC6_MEMBER_TEMPLATES) \ 163 && !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS) 164 # define BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS 165 # endif 166 167 // 168 // Without member template support, we can't have a conforming 169 // std::allocator template either: 170 // 171 # if defined(BOOST_NO_MEMBER_TEMPLATES) \ 172 && !defined(BOOST_MSVC6_MEMBER_TEMPLATES) \ 173 && !defined(BOOST_NO_STD_ALLOCATOR) 174 # define BOOST_NO_STD_ALLOCATOR 175 # endif 176 177 // 178 // without ADL support then using declarations will break ADL as well: 179 // 180 #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) && !defined(BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL) 181 # define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL 182 #endif 183 184 // 185 // Without typeid support we have no dynamic RTTI either: 186 // 187 #if defined(BOOST_NO_TYPEID) && !defined(BOOST_NO_RTTI) 188 # define BOOST_NO_RTTI 189 #endif 190 191 // 192 // If we have a standard allocator, then we have a partial one as well: 193 // 194 #if !defined(BOOST_NO_STD_ALLOCATOR) 195 # define BOOST_HAS_PARTIAL_STD_ALLOCATOR 196 #endif 197 198 // 199 // We can't have a working std::use_facet if there is no std::locale: 200 // 201 # if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_USE_FACET) 202 # define BOOST_NO_STD_USE_FACET 203 # endif 204 205 // 206 // We can't have a std::messages facet if there is no std::locale: 207 // 208 # if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_MESSAGES) 209 # define BOOST_NO_STD_MESSAGES 210 # endif 211 212 // 213 // We can't have a working std::wstreambuf if there is no std::locale: 214 // 215 # if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_WSTREAMBUF) 216 # define BOOST_NO_STD_WSTREAMBUF 217 # endif 218 219 // 220 // We can't have a <cwctype> if there is no <cwchar>: 221 // 222 # if defined(BOOST_NO_CWCHAR) && !defined(BOOST_NO_CWCTYPE) 223 # define BOOST_NO_CWCTYPE 224 # endif 225 226 // 227 // We can't have a swprintf if there is no <cwchar>: 228 // 229 # if defined(BOOST_NO_CWCHAR) && !defined(BOOST_NO_SWPRINTF) 230 # define BOOST_NO_SWPRINTF 231 # endif 232 233 // 234 // If Win32 support is turned off, then we must turn off 235 // threading support also, unless there is some other 236 // thread API enabled: 237 // 238 #if defined(BOOST_DISABLE_WIN32) && defined(_WIN32) \ 239 && !defined(BOOST_DISABLE_THREADS) && !defined(BOOST_HAS_PTHREADS) 240 # define BOOST_DISABLE_THREADS 241 #endif 242 243 // 244 // Turn on threading support if the compiler thinks that it's in 245 // multithreaded mode. We put this here because there are only a 246 // limited number of macros that identify this (if there's any missing 247 // from here then add to the appropriate compiler section): 248 // 249 #if (defined(__MT__) || defined(_MT) || defined(_REENTRANT) \ 250 || defined(_PTHREADS) || defined(__APPLE__) || defined(__DragonFly__)) \ 251 && !defined(BOOST_HAS_THREADS) 252 # define BOOST_HAS_THREADS 253 #endif 254 255 // 256 // Turn threading support off if BOOST_DISABLE_THREADS is defined: 257 // 258 #if defined(BOOST_DISABLE_THREADS) && defined(BOOST_HAS_THREADS) 259 # undef BOOST_HAS_THREADS 260 #endif 261 262 // 263 // Turn threading support off if we don't recognise the threading API: 264 // 265 #if defined(BOOST_HAS_THREADS) && !defined(BOOST_HAS_PTHREADS)\ 266 && !defined(BOOST_HAS_WINTHREADS) && !defined(BOOST_HAS_BETHREADS)\ 267 && !defined(BOOST_HAS_MPTASKS) 268 # undef BOOST_HAS_THREADS 269 #endif 270 271 // 272 // Turn threading detail macros off if we don't (want to) use threading 273 // 274 #ifndef BOOST_HAS_THREADS 275 # undef BOOST_HAS_PTHREADS 276 # undef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE 277 # undef BOOST_HAS_PTHREAD_YIELD 278 # undef BOOST_HAS_PTHREAD_DELAY_NP 279 # undef BOOST_HAS_WINTHREADS 280 # undef BOOST_HAS_BETHREADS 281 # undef BOOST_HAS_MPTASKS 282 #endif 283 284 // 285 // If the compiler claims to be C99 conformant, then it had better 286 // have a <stdint.h>: 287 // 288 # if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901) 289 # define BOOST_HAS_STDINT_H 290 # ifndef BOOST_HAS_LOG1P 291 # define BOOST_HAS_LOG1P 292 # endif 293 # ifndef BOOST_HAS_EXPM1 294 # define BOOST_HAS_EXPM1 295 # endif 296 # endif 297 298 // 299 // Define BOOST_NO_SLIST and BOOST_NO_HASH if required. 300 // Note that this is for backwards compatibility only. 301 // 302 # if !defined(BOOST_HAS_SLIST) && !defined(BOOST_NO_SLIST) 303 # define BOOST_NO_SLIST 304 # endif 305 306 # if !defined(BOOST_HAS_HASH) && !defined(BOOST_NO_HASH) 307 # define BOOST_NO_HASH 308 # endif 309 310 // 311 // Set BOOST_SLIST_HEADER if not set already: 312 // 313 #if defined(BOOST_HAS_SLIST) && !defined(BOOST_SLIST_HEADER) 314 # define BOOST_SLIST_HEADER <slist> 315 #endif 316 317 // 318 // Set BOOST_HASH_SET_HEADER if not set already: 319 // 320 #if defined(BOOST_HAS_HASH) && !defined(BOOST_HASH_SET_HEADER) 321 # define BOOST_HASH_SET_HEADER <hash_set> 322 #endif 323 324 // 325 // Set BOOST_HASH_MAP_HEADER if not set already: 326 // 327 #if defined(BOOST_HAS_HASH) && !defined(BOOST_HASH_MAP_HEADER) 328 # define BOOST_HASH_MAP_HEADER <hash_map> 329 #endif 330 331 // BOOST_HAS_ABI_HEADERS 332 // This macro gets set if we have headers that fix the ABI, 333 // and prevent ODR violations when linking to external libraries: 334 #if defined(BOOST_ABI_PREFIX) && defined(BOOST_ABI_SUFFIX) && !defined(BOOST_HAS_ABI_HEADERS) 335 # define BOOST_HAS_ABI_HEADERS 336 #endif 337 338 #if defined(BOOST_HAS_ABI_HEADERS) && defined(BOOST_DISABLE_ABI_HEADERS) 339 # undef BOOST_HAS_ABI_HEADERS 340 #endif 341 342 // BOOST_NO_STDC_NAMESPACE workaround --------------------------------------// 343 // Because std::size_t usage is so common, even in boost headers which do not 344 // otherwise use the C library, the <cstddef> workaround is included here so 345 // that ugly workaround code need not appear in many other boost headers. 346 // NOTE WELL: This is a workaround for non-conforming compilers; <cstddef> 347 // must still be #included in the usual places so that <cstddef> inclusion 348 // works as expected with standard conforming compilers. The resulting 349 // double inclusion of <cstddef> is harmless. 350 351 # if defined(BOOST_NO_STDC_NAMESPACE) && defined(__cplusplus) 352 # include <cstddef> 353 namespace std { using ::ptrdiff_t; using ::size_t; } 354 # endif 355 356 // Workaround for the unfortunate min/max macros defined by some platform headers 357 358 #define BOOST_PREVENT_MACRO_SUBSTITUTION 359 360 #ifndef BOOST_USING_STD_MIN 361 # define BOOST_USING_STD_MIN() using std::min 362 #endif 363 364 #ifndef BOOST_USING_STD_MAX 365 # define BOOST_USING_STD_MAX() using std::max 366 #endif 367 368 // BOOST_NO_STD_MIN_MAX workaround -----------------------------------------// 369 370 # if defined(BOOST_NO_STD_MIN_MAX) && defined(__cplusplus) 371 372 namespace std { 373 template <class _Tp> BOOST_PREVENT_MACRO_SUBSTITUTION(const _Tp & __a,const _Tp & __b)374 inline const _Tp& min BOOST_PREVENT_MACRO_SUBSTITUTION (const _Tp& __a, const _Tp& __b) { 375 return __b < __a ? __b : __a; 376 } 377 template <class _Tp> BOOST_PREVENT_MACRO_SUBSTITUTION(const _Tp & __a,const _Tp & __b)378 inline const _Tp& max BOOST_PREVENT_MACRO_SUBSTITUTION (const _Tp& __a, const _Tp& __b) { 379 return __a < __b ? __b : __a; 380 } 381 } 382 383 # endif 384 385 // BOOST_STATIC_CONSTANT workaround --------------------------------------- // 386 // On compilers which don't allow in-class initialization of static integral 387 // constant members, we must use enums as a workaround if we want the constants 388 // to be available at compile-time. This macro gives us a convenient way to 389 // declare such constants. 390 391 # ifdef BOOST_NO_INCLASS_MEMBER_INITIALIZATION 392 # define BOOST_STATIC_CONSTANT(type, assignment) enum { assignment } 393 # else 394 # define BOOST_STATIC_CONSTANT(type, assignment) static const type assignment 395 # endif 396 397 // BOOST_USE_FACET / HAS_FACET workaround ----------------------------------// 398 // When the standard library does not have a conforming std::use_facet there 399 // are various workarounds available, but they differ from library to library. 400 // The same problem occurs with has_facet. 401 // These macros provide a consistent way to access a locale's facets. 402 // Usage: 403 // replace 404 // std::use_facet<Type>(loc); 405 // with 406 // BOOST_USE_FACET(Type, loc); 407 // Note do not add a std:: prefix to the front of BOOST_USE_FACET! 408 // Use for BOOST_HAS_FACET is analogous. 409 410 #if defined(BOOST_NO_STD_USE_FACET) 411 # ifdef BOOST_HAS_TWO_ARG_USE_FACET 412 # define BOOST_USE_FACET(Type, loc) std::use_facet(loc, static_cast<Type*>(0)) 413 # define BOOST_HAS_FACET(Type, loc) std::has_facet(loc, static_cast<Type*>(0)) 414 # elif defined(BOOST_HAS_MACRO_USE_FACET) 415 # define BOOST_USE_FACET(Type, loc) std::_USE(loc, Type) 416 # define BOOST_HAS_FACET(Type, loc) std::_HAS(loc, Type) 417 # elif defined(BOOST_HAS_STLP_USE_FACET) 418 # define BOOST_USE_FACET(Type, loc) (*std::_Use_facet<Type >(loc)) 419 # define BOOST_HAS_FACET(Type, loc) std::has_facet< Type >(loc) 420 # endif 421 #else 422 # define BOOST_USE_FACET(Type, loc) std::use_facet< Type >(loc) 423 # define BOOST_HAS_FACET(Type, loc) std::has_facet< Type >(loc) 424 #endif 425 426 // BOOST_NESTED_TEMPLATE workaround ------------------------------------------// 427 // Member templates are supported by some compilers even though they can't use 428 // the A::template member<U> syntax, as a workaround replace: 429 // 430 // typedef typename A::template rebind<U> binder; 431 // 432 // with: 433 // 434 // typedef typename A::BOOST_NESTED_TEMPLATE rebind<U> binder; 435 436 #ifndef BOOST_NO_MEMBER_TEMPLATE_KEYWORD 437 # define BOOST_NESTED_TEMPLATE template 438 #else 439 # define BOOST_NESTED_TEMPLATE 440 #endif 441 442 // BOOST_UNREACHABLE_RETURN(x) workaround -------------------------------------// 443 // Normally evaluates to nothing, unless BOOST_NO_UNREACHABLE_RETURN_DETECTION 444 // is defined, in which case it evaluates to return x; Use when you have a return 445 // statement that can never be reached. 446 447 #ifndef BOOST_UNREACHABLE_RETURN 448 # ifdef BOOST_NO_UNREACHABLE_RETURN_DETECTION 449 # define BOOST_UNREACHABLE_RETURN(x) return x; 450 # else 451 # define BOOST_UNREACHABLE_RETURN(x) 452 # endif 453 #endif 454 455 // BOOST_DEDUCED_TYPENAME workaround ------------------------------------------// 456 // 457 // Some compilers don't support the use of `typename' for dependent 458 // types in deduced contexts, e.g. 459 // 460 // template <class T> void f(T, typename T::type); 461 // ^^^^^^^^ 462 // Replace these declarations with: 463 // 464 // template <class T> void f(T, BOOST_DEDUCED_TYPENAME T::type); 465 466 #ifndef BOOST_NO_DEDUCED_TYPENAME 467 # define BOOST_DEDUCED_TYPENAME typename 468 #else 469 # define BOOST_DEDUCED_TYPENAME 470 #endif 471 472 #ifndef BOOST_NO_TYPENAME_WITH_CTOR 473 # define BOOST_CTOR_TYPENAME typename 474 #else 475 # define BOOST_CTOR_TYPENAME 476 #endif 477 478 // long long workaround ------------------------------------------// 479 // On gcc (and maybe other compilers?) long long is alway supported 480 // but it's use may generate either warnings (with -ansi), or errors 481 // (with -pedantic -ansi) unless it's use is prefixed by __extension__ 482 // 483 #if defined(BOOST_HAS_LONG_LONG) && defined(__cplusplus) 484 namespace boost{ 485 # ifdef __GNUC__ 486 __extension__ typedef long long long_long_type; 487 __extension__ typedef unsigned long long ulong_long_type; 488 # else 489 typedef long long long_long_type; 490 typedef unsigned long long ulong_long_type; 491 # endif 492 } 493 #endif 494 // same again for __int128: 495 #if defined(BOOST_HAS_INT128) && defined(__cplusplus) 496 namespace boost{ 497 # ifdef __GNUC__ 498 __extension__ typedef __int128 int128_type; 499 __extension__ typedef unsigned __int128 uint128_type; 500 # else 501 typedef __int128 int128_type; 502 typedef unsigned __int128 uint128_type; 503 # endif 504 } 505 #endif 506 // same again for __float128: 507 #if defined(BOOST_HAS_FLOAT128) && defined(__cplusplus) 508 namespace boost { 509 # ifdef __GNUC__ 510 __extension__ typedef __float128 float128_type; 511 # else 512 typedef __float128 float128_type; 513 # endif 514 } 515 #endif 516 517 // BOOST_[APPEND_]EXPLICIT_TEMPLATE_[NON_]TYPE macros --------------------------// 518 519 // These macros are obsolete. Port away and remove. 520 521 # define BOOST_EXPLICIT_TEMPLATE_TYPE(t) 522 # define BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(t) 523 # define BOOST_EXPLICIT_TEMPLATE_NON_TYPE(t, v) 524 # define BOOST_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) 525 526 # define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(t) 527 # define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t) 528 # define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v) 529 # define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) 530 531 // When BOOST_NO_STD_TYPEINFO is defined, we can just import 532 // the global definition into std namespace: 533 #if defined(BOOST_NO_STD_TYPEINFO) && defined(__cplusplus) 534 #include <typeinfo> 535 namespace std{ using ::type_info; } 536 #endif 537 538 // ---------------------------------------------------------------------------// 539 540 // Helper macro BOOST_STRINGIZE: 541 // Helper macro BOOST_JOIN: 542 543 #include <boost/config/helper_macros.hpp> 544 545 // 546 // Set some default values for compiler/library/platform names. 547 // These are for debugging config setup only: 548 // 549 # ifndef BOOST_COMPILER 550 # define BOOST_COMPILER "Unknown ISO C++ Compiler" 551 # endif 552 # ifndef BOOST_STDLIB 553 # define BOOST_STDLIB "Unknown ISO standard library" 554 # endif 555 # ifndef BOOST_PLATFORM 556 # if defined(unix) || defined(__unix) || defined(_XOPEN_SOURCE) \ 557 || defined(_POSIX_SOURCE) 558 # define BOOST_PLATFORM "Generic Unix" 559 # else 560 # define BOOST_PLATFORM "Unknown" 561 # endif 562 # endif 563 564 // 565 // Set some default values GPU support 566 // 567 # ifndef BOOST_GPU_ENABLED 568 # define BOOST_GPU_ENABLED 569 # endif 570 571 // BOOST_RESTRICT ---------------------------------------------// 572 // Macro to use in place of 'restrict' keyword variants 573 #if !defined(BOOST_RESTRICT) 574 # if defined(_MSC_VER) 575 # define BOOST_RESTRICT __restrict 576 # if !defined(BOOST_NO_RESTRICT_REFERENCES) && (_MSC_FULL_VER < 190023026) 577 # define BOOST_NO_RESTRICT_REFERENCES 578 # endif 579 # elif defined(__GNUC__) && __GNUC__ > 3 580 // Clang also defines __GNUC__ (as 4) 581 # define BOOST_RESTRICT __restrict__ 582 # else 583 # define BOOST_RESTRICT 584 # if !defined(BOOST_NO_RESTRICT_REFERENCES) 585 # define BOOST_NO_RESTRICT_REFERENCES 586 # endif 587 # endif 588 #endif 589 590 // BOOST_MAY_ALIAS -----------------------------------------------// 591 // The macro expands to an attribute to mark a type that is allowed to alias other types. 592 // The macro is defined in the compiler-specific headers. 593 #if !defined(BOOST_MAY_ALIAS) 594 # define BOOST_NO_MAY_ALIAS 595 # define BOOST_MAY_ALIAS 596 #endif 597 598 // BOOST_FORCEINLINE ---------------------------------------------// 599 // Macro to use in place of 'inline' to force a function to be inline 600 #if !defined(BOOST_FORCEINLINE) 601 # if defined(_MSC_VER) 602 # define BOOST_FORCEINLINE __forceinline 603 # elif defined(__GNUC__) && __GNUC__ > 3 604 // Clang also defines __GNUC__ (as 4) 605 # define BOOST_FORCEINLINE inline __attribute__ ((__always_inline__)) 606 # else 607 # define BOOST_FORCEINLINE inline 608 # endif 609 #endif 610 611 // BOOST_NOINLINE ---------------------------------------------// 612 // Macro to use in place of 'inline' to prevent a function to be inlined 613 #if !defined(BOOST_NOINLINE) 614 # if defined(_MSC_VER) 615 # define BOOST_NOINLINE __declspec(noinline) 616 # elif defined(__GNUC__) && __GNUC__ > 3 617 // Clang also defines __GNUC__ (as 4) 618 # if defined(__CUDACC__) 619 // nvcc doesn't always parse __noinline__, 620 // see: https://svn.boost.org/trac/boost/ticket/9392 621 # define BOOST_NOINLINE __attribute__ ((noinline)) 622 # else 623 # define BOOST_NOINLINE __attribute__ ((__noinline__)) 624 # endif 625 # else 626 # define BOOST_NOINLINE 627 # endif 628 #endif 629 630 // BOOST_NORETURN ---------------------------------------------// 631 // Macro to use before a function declaration/definition to designate 632 // the function as not returning normally (i.e. with a return statement 633 // or by leaving the function scope, if the function return type is void). 634 #if !defined(BOOST_NORETURN) 635 # if defined(_MSC_VER) 636 # define BOOST_NORETURN __declspec(noreturn) 637 # elif defined(__GNUC__) 638 # define BOOST_NORETURN __attribute__ ((__noreturn__)) 639 # elif defined(__has_attribute) && defined(__SUNPRO_CC) && (__SUNPRO_CC > 0x5130) 640 # if __has_attribute(noreturn) 641 # define BOOST_NORETURN [[noreturn]] 642 # endif 643 # elif defined(__has_cpp_attribute) 644 # if __has_cpp_attribute(noreturn) 645 # define BOOST_NORETURN [[noreturn]] 646 # endif 647 # endif 648 #endif 649 650 #if !defined(BOOST_NORETURN) 651 # define BOOST_NO_NORETURN 652 # define BOOST_NORETURN 653 #endif 654 655 // Branch prediction hints 656 // These macros are intended to wrap conditional expressions that yield true or false 657 // 658 // if (BOOST_LIKELY(var == 10)) 659 // { 660 // // the most probable code here 661 // } 662 // 663 #if !defined(BOOST_LIKELY) 664 # define BOOST_LIKELY(x) x 665 #endif 666 #if !defined(BOOST_UNLIKELY) 667 # define BOOST_UNLIKELY(x) x 668 #endif 669 670 // Type and data alignment specification 671 // 672 #if !defined(BOOST_ALIGNMENT) 673 # if !defined(BOOST_NO_CXX11_ALIGNAS) 674 # define BOOST_ALIGNMENT(x) alignas(x) 675 # elif defined(_MSC_VER) 676 # define BOOST_ALIGNMENT(x) __declspec(align(x)) 677 # elif defined(__GNUC__) 678 # define BOOST_ALIGNMENT(x) __attribute__ ((__aligned__(x))) 679 # else 680 # define BOOST_NO_ALIGNMENT 681 # define BOOST_ALIGNMENT(x) 682 # endif 683 #endif 684 685 // Lack of non-public defaulted functions is implied by the lack of any defaulted functions 686 #if !defined(BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS) && defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) 687 # define BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS 688 #endif 689 690 // Lack of defaulted moves is implied by the lack of either rvalue references or any defaulted functions 691 #if !defined(BOOST_NO_CXX11_DEFAULTED_MOVES) && (defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) || defined(BOOST_NO_CXX11_RVALUE_REFERENCES)) 692 # define BOOST_NO_CXX11_DEFAULTED_MOVES 693 #endif 694 695 // Defaulted and deleted function declaration helpers 696 // These macros are intended to be inside a class definition. 697 // BOOST_DEFAULTED_FUNCTION accepts the function declaration and its 698 // body, which will be used if the compiler doesn't support defaulted functions. 699 // BOOST_DELETED_FUNCTION only accepts the function declaration. It 700 // will expand to a private function declaration, if the compiler doesn't support 701 // deleted functions. Because of this it is recommended to use BOOST_DELETED_FUNCTION 702 // in the end of the class definition. 703 // 704 // class my_class 705 // { 706 // public: 707 // // Default-constructible 708 // BOOST_DEFAULTED_FUNCTION(my_class(), {}) 709 // // Copying prohibited 710 // BOOST_DELETED_FUNCTION(my_class(my_class const&)) 711 // BOOST_DELETED_FUNCTION(my_class& operator= (my_class const&)) 712 // }; 713 // 714 #if !(defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) || defined(BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS)) 715 # define BOOST_DEFAULTED_FUNCTION(fun, body) fun = default; 716 #else 717 # define BOOST_DEFAULTED_FUNCTION(fun, body) fun body 718 #endif 719 720 #if !defined(BOOST_NO_CXX11_DELETED_FUNCTIONS) 721 # define BOOST_DELETED_FUNCTION(fun) fun = delete; 722 #else 723 # define BOOST_DELETED_FUNCTION(fun) private: fun; 724 #endif 725 726 // 727 // Set BOOST_NO_DECLTYPE_N3276 when BOOST_NO_DECLTYPE is defined 728 // 729 #if defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_CXX11_DECLTYPE_N3276) 730 #define BOOST_NO_CXX11_DECLTYPE_N3276 BOOST_NO_CXX11_DECLTYPE 731 #endif 732 733 // -------------------- Deprecated macros for 1.50 --------------------------- 734 // These will go away in a future release 735 736 // Use BOOST_NO_CXX11_HDR_UNORDERED_SET or BOOST_NO_CXX11_HDR_UNORDERED_MAP 737 // instead of BOOST_NO_STD_UNORDERED 738 #if defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP) || defined (BOOST_NO_CXX11_HDR_UNORDERED_SET) 739 # ifndef BOOST_NO_CXX11_STD_UNORDERED 740 # define BOOST_NO_CXX11_STD_UNORDERED 741 # endif 742 #endif 743 744 // Use BOOST_NO_CXX11_HDR_INITIALIZER_LIST instead of BOOST_NO_INITIALIZER_LISTS 745 #if defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST) && !defined(BOOST_NO_INITIALIZER_LISTS) 746 # define BOOST_NO_INITIALIZER_LISTS 747 #endif 748 749 // Use BOOST_NO_CXX11_HDR_ARRAY instead of BOOST_NO_0X_HDR_ARRAY 750 #if defined(BOOST_NO_CXX11_HDR_ARRAY) && !defined(BOOST_NO_0X_HDR_ARRAY) 751 # define BOOST_NO_0X_HDR_ARRAY 752 #endif 753 // Use BOOST_NO_CXX11_HDR_CHRONO instead of BOOST_NO_0X_HDR_CHRONO 754 #if defined(BOOST_NO_CXX11_HDR_CHRONO) && !defined(BOOST_NO_0X_HDR_CHRONO) 755 # define BOOST_NO_0X_HDR_CHRONO 756 #endif 757 // Use BOOST_NO_CXX11_HDR_CODECVT instead of BOOST_NO_0X_HDR_CODECVT 758 #if defined(BOOST_NO_CXX11_HDR_CODECVT) && !defined(BOOST_NO_0X_HDR_CODECVT) 759 # define BOOST_NO_0X_HDR_CODECVT 760 #endif 761 // Use BOOST_NO_CXX11_HDR_CONDITION_VARIABLE instead of BOOST_NO_0X_HDR_CONDITION_VARIABLE 762 #if defined(BOOST_NO_CXX11_HDR_CONDITION_VARIABLE) && !defined(BOOST_NO_0X_HDR_CONDITION_VARIABLE) 763 # define BOOST_NO_0X_HDR_CONDITION_VARIABLE 764 #endif 765 // Use BOOST_NO_CXX11_HDR_FORWARD_LIST instead of BOOST_NO_0X_HDR_FORWARD_LIST 766 #if defined(BOOST_NO_CXX11_HDR_FORWARD_LIST) && !defined(BOOST_NO_0X_HDR_FORWARD_LIST) 767 # define BOOST_NO_0X_HDR_FORWARD_LIST 768 #endif 769 // Use BOOST_NO_CXX11_HDR_FUTURE instead of BOOST_NO_0X_HDR_FUTURE 770 #if defined(BOOST_NO_CXX11_HDR_FUTURE) && !defined(BOOST_NO_0X_HDR_FUTURE) 771 # define BOOST_NO_0X_HDR_FUTURE 772 #endif 773 774 // Use BOOST_NO_CXX11_HDR_INITIALIZER_LIST 775 // instead of BOOST_NO_0X_HDR_INITIALIZER_LIST or BOOST_NO_INITIALIZER_LISTS 776 #ifdef BOOST_NO_CXX11_HDR_INITIALIZER_LIST 777 # ifndef BOOST_NO_0X_HDR_INITIALIZER_LIST 778 # define BOOST_NO_0X_HDR_INITIALIZER_LIST 779 # endif 780 # ifndef BOOST_NO_INITIALIZER_LISTS 781 # define BOOST_NO_INITIALIZER_LISTS 782 # endif 783 #endif 784 785 // Use BOOST_NO_CXX11_HDR_MUTEX instead of BOOST_NO_0X_HDR_MUTEX 786 #if defined(BOOST_NO_CXX11_HDR_MUTEX) && !defined(BOOST_NO_0X_HDR_MUTEX) 787 # define BOOST_NO_0X_HDR_MUTEX 788 #endif 789 // Use BOOST_NO_CXX11_HDR_RANDOM instead of BOOST_NO_0X_HDR_RANDOM 790 #if defined(BOOST_NO_CXX11_HDR_RANDOM) && !defined(BOOST_NO_0X_HDR_RANDOM) 791 # define BOOST_NO_0X_HDR_RANDOM 792 #endif 793 // Use BOOST_NO_CXX11_HDR_RATIO instead of BOOST_NO_0X_HDR_RATIO 794 #if defined(BOOST_NO_CXX11_HDR_RATIO) && !defined(BOOST_NO_0X_HDR_RATIO) 795 # define BOOST_NO_0X_HDR_RATIO 796 #endif 797 // Use BOOST_NO_CXX11_HDR_REGEX instead of BOOST_NO_0X_HDR_REGEX 798 #if defined(BOOST_NO_CXX11_HDR_REGEX) && !defined(BOOST_NO_0X_HDR_REGEX) 799 # define BOOST_NO_0X_HDR_REGEX 800 #endif 801 // Use BOOST_NO_CXX11_HDR_SYSTEM_ERROR instead of BOOST_NO_0X_HDR_SYSTEM_ERROR 802 #if defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR) && !defined(BOOST_NO_0X_HDR_SYSTEM_ERROR) 803 # define BOOST_NO_0X_HDR_SYSTEM_ERROR 804 #endif 805 // Use BOOST_NO_CXX11_HDR_THREAD instead of BOOST_NO_0X_HDR_THREAD 806 #if defined(BOOST_NO_CXX11_HDR_THREAD) && !defined(BOOST_NO_0X_HDR_THREAD) 807 # define BOOST_NO_0X_HDR_THREAD 808 #endif 809 // Use BOOST_NO_CXX11_HDR_TUPLE instead of BOOST_NO_0X_HDR_TUPLE 810 #if defined(BOOST_NO_CXX11_HDR_TUPLE) && !defined(BOOST_NO_0X_HDR_TUPLE) 811 # define BOOST_NO_0X_HDR_TUPLE 812 #endif 813 // Use BOOST_NO_CXX11_HDR_TYPE_TRAITS instead of BOOST_NO_0X_HDR_TYPE_TRAITS 814 #if defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS) && !defined(BOOST_NO_0X_HDR_TYPE_TRAITS) 815 # define BOOST_NO_0X_HDR_TYPE_TRAITS 816 #endif 817 // Use BOOST_NO_CXX11_HDR_TYPEINDEX instead of BOOST_NO_0X_HDR_TYPEINDEX 818 #if defined(BOOST_NO_CXX11_HDR_TYPEINDEX) && !defined(BOOST_NO_0X_HDR_TYPEINDEX) 819 # define BOOST_NO_0X_HDR_TYPEINDEX 820 #endif 821 // Use BOOST_NO_CXX11_HDR_UNORDERED_MAP instead of BOOST_NO_0X_HDR_UNORDERED_MAP 822 #if defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP) && !defined(BOOST_NO_0X_HDR_UNORDERED_MAP) 823 # define BOOST_NO_0X_HDR_UNORDERED_MAP 824 #endif 825 // Use BOOST_NO_CXX11_HDR_UNORDERED_SET instead of BOOST_NO_0X_HDR_UNORDERED_SET 826 #if defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) && !defined(BOOST_NO_0X_HDR_UNORDERED_SET) 827 # define BOOST_NO_0X_HDR_UNORDERED_SET 828 #endif 829 830 // ------------------ End of deprecated macros for 1.50 --------------------------- 831 832 // -------------------- Deprecated macros for 1.51 --------------------------- 833 // These will go away in a future release 834 835 // Use BOOST_NO_CXX11_AUTO_DECLARATIONS instead of BOOST_NO_AUTO_DECLARATIONS 836 #if defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && !defined(BOOST_NO_AUTO_DECLARATIONS) 837 # define BOOST_NO_AUTO_DECLARATIONS 838 #endif 839 // Use BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS instead of BOOST_NO_AUTO_MULTIDECLARATIONS 840 #if defined(BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS) && !defined(BOOST_NO_AUTO_MULTIDECLARATIONS) 841 # define BOOST_NO_AUTO_MULTIDECLARATIONS 842 #endif 843 // Use BOOST_NO_CXX11_CHAR16_T instead of BOOST_NO_CHAR16_T 844 #if defined(BOOST_NO_CXX11_CHAR16_T) && !defined(BOOST_NO_CHAR16_T) 845 # define BOOST_NO_CHAR16_T 846 #endif 847 // Use BOOST_NO_CXX11_CHAR32_T instead of BOOST_NO_CHAR32_T 848 #if defined(BOOST_NO_CXX11_CHAR32_T) && !defined(BOOST_NO_CHAR32_T) 849 # define BOOST_NO_CHAR32_T 850 #endif 851 // Use BOOST_NO_CXX11_TEMPLATE_ALIASES instead of BOOST_NO_TEMPLATE_ALIASES 852 #if defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) && !defined(BOOST_NO_TEMPLATE_ALIASES) 853 # define BOOST_NO_TEMPLATE_ALIASES 854 #endif 855 // Use BOOST_NO_CXX11_CONSTEXPR instead of BOOST_NO_CONSTEXPR 856 #if defined(BOOST_NO_CXX11_CONSTEXPR) && !defined(BOOST_NO_CONSTEXPR) 857 # define BOOST_NO_CONSTEXPR 858 #endif 859 // Use BOOST_NO_CXX11_DECLTYPE_N3276 instead of BOOST_NO_DECLTYPE_N3276 860 #if defined(BOOST_NO_CXX11_DECLTYPE_N3276) && !defined(BOOST_NO_DECLTYPE_N3276) 861 # define BOOST_NO_DECLTYPE_N3276 862 #endif 863 // Use BOOST_NO_CXX11_DECLTYPE instead of BOOST_NO_DECLTYPE 864 #if defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_DECLTYPE) 865 # define BOOST_NO_DECLTYPE 866 #endif 867 // Use BOOST_NO_CXX11_DEFAULTED_FUNCTIONS instead of BOOST_NO_DEFAULTED_FUNCTIONS 868 #if defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) && !defined(BOOST_NO_DEFAULTED_FUNCTIONS) 869 # define BOOST_NO_DEFAULTED_FUNCTIONS 870 #endif 871 // Use BOOST_NO_CXX11_DELETED_FUNCTIONS instead of BOOST_NO_DELETED_FUNCTIONS 872 #if defined(BOOST_NO_CXX11_DELETED_FUNCTIONS) && !defined(BOOST_NO_DELETED_FUNCTIONS) 873 # define BOOST_NO_DELETED_FUNCTIONS 874 #endif 875 // Use BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS instead of BOOST_NO_EXPLICIT_CONVERSION_OPERATORS 876 #if defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS) && !defined(BOOST_NO_EXPLICIT_CONVERSION_OPERATORS) 877 # define BOOST_NO_EXPLICIT_CONVERSION_OPERATORS 878 #endif 879 // Use BOOST_NO_CXX11_EXTERN_TEMPLATE instead of BOOST_NO_EXTERN_TEMPLATE 880 #if defined(BOOST_NO_CXX11_EXTERN_TEMPLATE) && !defined(BOOST_NO_EXTERN_TEMPLATE) 881 # define BOOST_NO_EXTERN_TEMPLATE 882 #endif 883 // Use BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS instead of BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS 884 #if defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS) && !defined(BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS) 885 # define BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS 886 #endif 887 // Use BOOST_NO_CXX11_LAMBDAS instead of BOOST_NO_LAMBDAS 888 #if defined(BOOST_NO_CXX11_LAMBDAS) && !defined(BOOST_NO_LAMBDAS) 889 # define BOOST_NO_LAMBDAS 890 #endif 891 // Use BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS instead of BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS 892 #if defined(BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS) && !defined(BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS) 893 # define BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS 894 #endif 895 // Use BOOST_NO_CXX11_NOEXCEPT instead of BOOST_NO_NOEXCEPT 896 #if defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_NOEXCEPT) 897 # define BOOST_NO_NOEXCEPT 898 #endif 899 // Use BOOST_NO_CXX11_NULLPTR instead of BOOST_NO_NULLPTR 900 #if defined(BOOST_NO_CXX11_NULLPTR) && !defined(BOOST_NO_NULLPTR) 901 # define BOOST_NO_NULLPTR 902 #endif 903 // Use BOOST_NO_CXX11_RAW_LITERALS instead of BOOST_NO_RAW_LITERALS 904 #if defined(BOOST_NO_CXX11_RAW_LITERALS) && !defined(BOOST_NO_RAW_LITERALS) 905 # define BOOST_NO_RAW_LITERALS 906 #endif 907 // Use BOOST_NO_CXX11_RVALUE_REFERENCES instead of BOOST_NO_RVALUE_REFERENCES 908 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_RVALUE_REFERENCES) 909 # define BOOST_NO_RVALUE_REFERENCES 910 #endif 911 // Use BOOST_NO_CXX11_SCOPED_ENUMS instead of BOOST_NO_SCOPED_ENUMS 912 #if defined(BOOST_NO_CXX11_SCOPED_ENUMS) && !defined(BOOST_NO_SCOPED_ENUMS) 913 # define BOOST_NO_SCOPED_ENUMS 914 #endif 915 // Use BOOST_NO_CXX11_STATIC_ASSERT instead of BOOST_NO_STATIC_ASSERT 916 #if defined(BOOST_NO_CXX11_STATIC_ASSERT) && !defined(BOOST_NO_STATIC_ASSERT) 917 # define BOOST_NO_STATIC_ASSERT 918 #endif 919 // Use BOOST_NO_CXX11_STD_UNORDERED instead of BOOST_NO_STD_UNORDERED 920 #if defined(BOOST_NO_CXX11_STD_UNORDERED) && !defined(BOOST_NO_STD_UNORDERED) 921 # define BOOST_NO_STD_UNORDERED 922 #endif 923 // Use BOOST_NO_CXX11_UNICODE_LITERALS instead of BOOST_NO_UNICODE_LITERALS 924 #if defined(BOOST_NO_CXX11_UNICODE_LITERALS) && !defined(BOOST_NO_UNICODE_LITERALS) 925 # define BOOST_NO_UNICODE_LITERALS 926 #endif 927 // Use BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX instead of BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX 928 #if defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX) && !defined(BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX) 929 # define BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX 930 #endif 931 // Use BOOST_NO_CXX11_VARIADIC_TEMPLATES instead of BOOST_NO_VARIADIC_TEMPLATES 932 #if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_VARIADIC_TEMPLATES) 933 # define BOOST_NO_VARIADIC_TEMPLATES 934 #endif 935 // Use BOOST_NO_CXX11_VARIADIC_MACROS instead of BOOST_NO_VARIADIC_MACROS 936 #if defined(BOOST_NO_CXX11_VARIADIC_MACROS) && !defined(BOOST_NO_VARIADIC_MACROS) 937 # define BOOST_NO_VARIADIC_MACROS 938 #endif 939 // Use BOOST_NO_CXX11_NUMERIC_LIMITS instead of BOOST_NO_NUMERIC_LIMITS_LOWEST 940 #if defined(BOOST_NO_CXX11_NUMERIC_LIMITS) && !defined(BOOST_NO_NUMERIC_LIMITS_LOWEST) 941 # define BOOST_NO_NUMERIC_LIMITS_LOWEST 942 #endif 943 // ------------------ End of deprecated macros for 1.51 --------------------------- 944 945 946 947 // 948 // Helper macros BOOST_NOEXCEPT, BOOST_NOEXCEPT_IF, BOOST_NOEXCEPT_EXPR 949 // These aid the transition to C++11 while still supporting C++03 compilers 950 // 951 #ifdef BOOST_NO_CXX11_NOEXCEPT 952 # define BOOST_NOEXCEPT 953 # define BOOST_NOEXCEPT_OR_NOTHROW throw() 954 # define BOOST_NOEXCEPT_IF(Predicate) 955 # define BOOST_NOEXCEPT_EXPR(Expression) false 956 #else 957 # define BOOST_NOEXCEPT noexcept 958 # define BOOST_NOEXCEPT_OR_NOTHROW noexcept 959 # define BOOST_NOEXCEPT_IF(Predicate) noexcept((Predicate)) 960 # define BOOST_NOEXCEPT_EXPR(Expression) noexcept((Expression)) 961 #endif 962 // 963 // Helper macro BOOST_FALLTHROUGH 964 // Fallback definition of BOOST_FALLTHROUGH macro used to mark intended 965 // fall-through between case labels in a switch statement. We use a definition 966 // that requires a semicolon after it to avoid at least one type of misuse even 967 // on unsupported compilers. 968 // 969 #ifndef BOOST_FALLTHROUGH 970 # define BOOST_FALLTHROUGH ((void)0) 971 #endif 972 973 // 974 // constexpr workarounds 975 // 976 #if defined(BOOST_NO_CXX11_CONSTEXPR) 977 #define BOOST_CONSTEXPR 978 #define BOOST_CONSTEXPR_OR_CONST const 979 #else 980 #define BOOST_CONSTEXPR constexpr 981 #define BOOST_CONSTEXPR_OR_CONST constexpr 982 #endif 983 #if defined(BOOST_NO_CXX14_CONSTEXPR) 984 #define BOOST_CXX14_CONSTEXPR 985 #else 986 #define BOOST_CXX14_CONSTEXPR constexpr 987 #endif 988 989 // 990 // Unused variable/typedef workarounds: 991 // 992 #ifndef BOOST_ATTRIBUTE_UNUSED 993 # define BOOST_ATTRIBUTE_UNUSED 994 #endif 995 // 996 // [[nodiscard]]: 997 // 998 #ifdef __has_cpp_attribute 999 #if __has_cpp_attribute(nodiscard) 1000 # define BOOST_ATTRIBUTE_NODISCARD [[nodiscard]] 1001 #endif 1002 #if __has_cpp_attribute(no_unique_address) && !(defined(__GNUC__) && (__cplusplus < 201100)) 1003 # define BOOST_ATTRIBUTE_NO_UNIQUE_ADDRESS [[no_unique_address]] 1004 #endif 1005 #endif 1006 #ifndef BOOST_ATTRIBUTE_NODISCARD 1007 # define BOOST_ATTRIBUTE_NODISCARD 1008 #endif 1009 #ifndef BOOST_ATTRIBUTE_NO_UNIQUE_ADDRESS 1010 # define BOOST_ATTRIBUTE_NO_UNIQUE_ADDRESS 1011 #endif 1012 1013 #define BOOST_STATIC_CONSTEXPR static BOOST_CONSTEXPR_OR_CONST 1014 1015 // 1016 // Set BOOST_HAS_STATIC_ASSERT when BOOST_NO_CXX11_STATIC_ASSERT is not defined 1017 // 1018 #if !defined(BOOST_NO_CXX11_STATIC_ASSERT) && !defined(BOOST_HAS_STATIC_ASSERT) 1019 # define BOOST_HAS_STATIC_ASSERT 1020 #endif 1021 1022 // 1023 // Set BOOST_HAS_RVALUE_REFS when BOOST_NO_CXX11_RVALUE_REFERENCES is not defined 1024 // 1025 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_HAS_RVALUE_REFS) 1026 #define BOOST_HAS_RVALUE_REFS 1027 #endif 1028 1029 // 1030 // Set BOOST_HAS_VARIADIC_TMPL when BOOST_NO_CXX11_VARIADIC_TEMPLATES is not defined 1031 // 1032 #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_HAS_VARIADIC_TMPL) 1033 #define BOOST_HAS_VARIADIC_TMPL 1034 #endif 1035 // 1036 // Set BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS when 1037 // BOOST_NO_CXX11_VARIADIC_TEMPLATES is set: 1038 // 1039 #if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS) 1040 # define BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS 1041 #endif 1042 1043 // This is a catch all case for obsolete compilers / std libs: 1044 #if !defined(__has_include) 1045 # define BOOST_NO_CXX17_HDR_OPTIONAL 1046 # define BOOST_NO_CXX17_HDR_STRING_VIEW 1047 # define BOOST_NO_CXX17_HDR_VARIANT 1048 #else 1049 #if !__has_include(<optional>) 1050 # define BOOST_NO_CXX17_HDR_OPTIONAL 1051 #endif 1052 #if !__has_include(<string_view>) 1053 # define BOOST_NO_CXX17_HDR_STRING_VIEW 1054 #endif 1055 #if !__has_include(<variant>) 1056 # define BOOST_NO_CXX17_HDR_VARIANT 1057 #endif 1058 #endif 1059 1060 // 1061 // Finish off with checks for macros that are depricated / no longer supported, 1062 // if any of these are set then it's very likely that much of Boost will no 1063 // longer work. So stop with a #error for now, but give the user a chance 1064 // to continue at their own risk if they really want to: 1065 // 1066 #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_CONFIG_ALLOW_DEPRECATED) 1067 # error "You are using a compiler which lacks features which are now a minimum requirement in order to use Boost, define BOOST_CONFIG_ALLOW_DEPRECATED if you want to continue at your own risk!!!" 1068 #endif 1069 1070 #endif 1071