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 // 541 // Helper macro BOOST_STRINGIZE: 542 // Converts the parameter X to a string after macro replacement 543 // on X has been performed. 544 // 545 #define BOOST_STRINGIZE(X) BOOST_DO_STRINGIZE(X) 546 #define BOOST_DO_STRINGIZE(X) #X 547 548 // 549 // Helper macro BOOST_JOIN: 550 // The following piece of macro magic joins the two 551 // arguments together, even when one of the arguments is 552 // itself a macro (see 16.3.1 in C++ standard). The key 553 // is that macro expansion of macro arguments does not 554 // occur in BOOST_DO_JOIN2 but does in BOOST_DO_JOIN. 555 // 556 #define BOOST_JOIN( X, Y ) BOOST_DO_JOIN( X, Y ) 557 #define BOOST_DO_JOIN( X, Y ) BOOST_DO_JOIN2(X,Y) 558 #define BOOST_DO_JOIN2( X, Y ) X##Y 559 560 // 561 // Set some default values for compiler/library/platform names. 562 // These are for debugging config setup only: 563 // 564 # ifndef BOOST_COMPILER 565 # define BOOST_COMPILER "Unknown ISO C++ Compiler" 566 # endif 567 # ifndef BOOST_STDLIB 568 # define BOOST_STDLIB "Unknown ISO standard library" 569 # endif 570 # ifndef BOOST_PLATFORM 571 # if defined(unix) || defined(__unix) || defined(_XOPEN_SOURCE) \ 572 || defined(_POSIX_SOURCE) 573 # define BOOST_PLATFORM "Generic Unix" 574 # else 575 # define BOOST_PLATFORM "Unknown" 576 # endif 577 # endif 578 579 // 580 // Set some default values GPU support 581 // 582 # ifndef BOOST_GPU_ENABLED 583 # define BOOST_GPU_ENABLED 584 # endif 585 586 // BOOST_FORCEINLINE ---------------------------------------------// 587 // Macro to use in place of 'inline' to force a function to be inline 588 #if !defined(BOOST_FORCEINLINE) 589 # if defined(_MSC_VER) 590 # define BOOST_FORCEINLINE __forceinline 591 # elif defined(__GNUC__) && __GNUC__ > 3 592 // Clang also defines __GNUC__ (as 4) 593 # define BOOST_FORCEINLINE inline __attribute__ ((__always_inline__)) 594 # else 595 # define BOOST_FORCEINLINE inline 596 # endif 597 #endif 598 599 // BOOST_NOINLINE ---------------------------------------------// 600 // Macro to use in place of 'inline' to prevent a function to be inlined 601 #if !defined(BOOST_NOINLINE) 602 # if defined(_MSC_VER) 603 # define BOOST_NOINLINE __declspec(noinline) 604 # elif defined(__GNUC__) && __GNUC__ > 3 605 // Clang also defines __GNUC__ (as 4) 606 # if defined(__CUDACC__) 607 // nvcc doesn't always parse __noinline__, 608 // see: https://svn.boost.org/trac/boost/ticket/9392 609 # define BOOST_NOINLINE __attribute__ ((noinline)) 610 # else 611 # define BOOST_NOINLINE __attribute__ ((__noinline__)) 612 # endif 613 # else 614 # define BOOST_NOINLINE 615 # endif 616 #endif 617 618 // BOOST_NORETURN ---------------------------------------------// 619 // Macro to use before a function declaration/definition to designate 620 // the function as not returning normally (i.e. with a return statement 621 // or by leaving the function scope, if the function return type is void). 622 #if !defined(BOOST_NORETURN) 623 # if defined(_MSC_VER) 624 # define BOOST_NORETURN __declspec(noreturn) 625 # elif defined(__GNUC__) 626 # define BOOST_NORETURN __attribute__ ((__noreturn__)) 627 # elif defined(__has_attribute) && defined(__SUNPRO_CC) 628 # if __has_attribute(noreturn) 629 # define BOOST_NORETURN [[noreturn]] 630 # endif 631 # elif defined(__has_cpp_attribute) 632 # if __has_cpp_attribute(noreturn) 633 # define BOOST_NORETURN [[noreturn]] 634 # endif 635 # endif 636 #endif 637 638 #if !defined(BOOST_NORETURN) 639 # define BOOST_NO_NORETURN 640 # define BOOST_NORETURN 641 #endif 642 643 // Branch prediction hints 644 // These macros are intended to wrap conditional expressions that yield true or false 645 // 646 // if (BOOST_LIKELY(var == 10)) 647 // { 648 // // the most probable code here 649 // } 650 // 651 #if !defined(BOOST_LIKELY) 652 # define BOOST_LIKELY(x) x 653 #endif 654 #if !defined(BOOST_UNLIKELY) 655 # define BOOST_UNLIKELY(x) x 656 #endif 657 658 // Type and data alignment specification 659 // 660 #if !defined(BOOST_NO_CXX11_ALIGNAS) 661 # define BOOST_ALIGNMENT(x) alignas(x) 662 #elif defined(_MSC_VER) 663 # define BOOST_ALIGNMENT(x) __declspec(align(x)) 664 #elif defined(__GNUC__) 665 # define BOOST_ALIGNMENT(x) __attribute__ ((__aligned__(x))) 666 #else 667 # define BOOST_NO_ALIGNMENT 668 # define BOOST_ALIGNMENT(x) 669 #endif 670 671 // Lack of non-public defaulted functions is implied by the lack of any defaulted functions 672 #if !defined(BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS) && defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) 673 # define BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS 674 #endif 675 676 // Defaulted and deleted function declaration helpers 677 // These macros are intended to be inside a class definition. 678 // BOOST_DEFAULTED_FUNCTION accepts the function declaration and its 679 // body, which will be used if the compiler doesn't support defaulted functions. 680 // BOOST_DELETED_FUNCTION only accepts the function declaration. It 681 // will expand to a private function declaration, if the compiler doesn't support 682 // deleted functions. Because of this it is recommended to use BOOST_DELETED_FUNCTION 683 // in the end of the class definition. 684 // 685 // class my_class 686 // { 687 // public: 688 // // Default-constructible 689 // BOOST_DEFAULTED_FUNCTION(my_class(), {}) 690 // // Copying prohibited 691 // BOOST_DELETED_FUNCTION(my_class(my_class const&)) 692 // BOOST_DELETED_FUNCTION(my_class& operator= (my_class const&)) 693 // }; 694 // 695 #if !(defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) || defined(BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS)) 696 # define BOOST_DEFAULTED_FUNCTION(fun, body) fun = default; 697 #else 698 # define BOOST_DEFAULTED_FUNCTION(fun, body) fun body 699 #endif 700 701 #if !defined(BOOST_NO_CXX11_DELETED_FUNCTIONS) 702 # define BOOST_DELETED_FUNCTION(fun) fun = delete; 703 #else 704 # define BOOST_DELETED_FUNCTION(fun) private: fun; 705 #endif 706 707 // 708 // Set BOOST_NO_DECLTYPE_N3276 when BOOST_NO_DECLTYPE is defined 709 // 710 #if defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_CXX11_DECLTYPE_N3276) 711 #define BOOST_NO_CXX11_DECLTYPE_N3276 BOOST_NO_CXX11_DECLTYPE 712 #endif 713 714 // -------------------- Deprecated macros for 1.50 --------------------------- 715 // These will go away in a future release 716 717 // Use BOOST_NO_CXX11_HDR_UNORDERED_SET or BOOST_NO_CXX11_HDR_UNORDERED_MAP 718 // instead of BOOST_NO_STD_UNORDERED 719 #if defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP) || defined (BOOST_NO_CXX11_HDR_UNORDERED_SET) 720 # ifndef BOOST_NO_CXX11_STD_UNORDERED 721 # define BOOST_NO_CXX11_STD_UNORDERED 722 # endif 723 #endif 724 725 // Use BOOST_NO_CXX11_HDR_INITIALIZER_LIST instead of BOOST_NO_INITIALIZER_LISTS 726 #if defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST) && !defined(BOOST_NO_INITIALIZER_LISTS) 727 # define BOOST_NO_INITIALIZER_LISTS 728 #endif 729 730 // Use BOOST_NO_CXX11_HDR_ARRAY instead of BOOST_NO_0X_HDR_ARRAY 731 #if defined(BOOST_NO_CXX11_HDR_ARRAY) && !defined(BOOST_NO_0X_HDR_ARRAY) 732 # define BOOST_NO_0X_HDR_ARRAY 733 #endif 734 // Use BOOST_NO_CXX11_HDR_CHRONO instead of BOOST_NO_0X_HDR_CHRONO 735 #if defined(BOOST_NO_CXX11_HDR_CHRONO) && !defined(BOOST_NO_0X_HDR_CHRONO) 736 # define BOOST_NO_0X_HDR_CHRONO 737 #endif 738 // Use BOOST_NO_CXX11_HDR_CODECVT instead of BOOST_NO_0X_HDR_CODECVT 739 #if defined(BOOST_NO_CXX11_HDR_CODECVT) && !defined(BOOST_NO_0X_HDR_CODECVT) 740 # define BOOST_NO_0X_HDR_CODECVT 741 #endif 742 // Use BOOST_NO_CXX11_HDR_CONDITION_VARIABLE instead of BOOST_NO_0X_HDR_CONDITION_VARIABLE 743 #if defined(BOOST_NO_CXX11_HDR_CONDITION_VARIABLE) && !defined(BOOST_NO_0X_HDR_CONDITION_VARIABLE) 744 # define BOOST_NO_0X_HDR_CONDITION_VARIABLE 745 #endif 746 // Use BOOST_NO_CXX11_HDR_FORWARD_LIST instead of BOOST_NO_0X_HDR_FORWARD_LIST 747 #if defined(BOOST_NO_CXX11_HDR_FORWARD_LIST) && !defined(BOOST_NO_0X_HDR_FORWARD_LIST) 748 # define BOOST_NO_0X_HDR_FORWARD_LIST 749 #endif 750 // Use BOOST_NO_CXX11_HDR_FUTURE instead of BOOST_NO_0X_HDR_FUTURE 751 #if defined(BOOST_NO_CXX11_HDR_FUTURE) && !defined(BOOST_NO_0X_HDR_FUTURE) 752 # define BOOST_NO_0X_HDR_FUTURE 753 #endif 754 755 // Use BOOST_NO_CXX11_HDR_INITIALIZER_LIST 756 // instead of BOOST_NO_0X_HDR_INITIALIZER_LIST or BOOST_NO_INITIALIZER_LISTS 757 #ifdef BOOST_NO_CXX11_HDR_INITIALIZER_LIST 758 # ifndef BOOST_NO_0X_HDR_INITIALIZER_LIST 759 # define BOOST_NO_0X_HDR_INITIALIZER_LIST 760 # endif 761 # ifndef BOOST_NO_INITIALIZER_LISTS 762 # define BOOST_NO_INITIALIZER_LISTS 763 # endif 764 #endif 765 766 // Use BOOST_NO_CXX11_HDR_MUTEX instead of BOOST_NO_0X_HDR_MUTEX 767 #if defined(BOOST_NO_CXX11_HDR_MUTEX) && !defined(BOOST_NO_0X_HDR_MUTEX) 768 # define BOOST_NO_0X_HDR_MUTEX 769 #endif 770 // Use BOOST_NO_CXX11_HDR_RANDOM instead of BOOST_NO_0X_HDR_RANDOM 771 #if defined(BOOST_NO_CXX11_HDR_RANDOM) && !defined(BOOST_NO_0X_HDR_RANDOM) 772 # define BOOST_NO_0X_HDR_RANDOM 773 #endif 774 // Use BOOST_NO_CXX11_HDR_RATIO instead of BOOST_NO_0X_HDR_RATIO 775 #if defined(BOOST_NO_CXX11_HDR_RATIO) && !defined(BOOST_NO_0X_HDR_RATIO) 776 # define BOOST_NO_0X_HDR_RATIO 777 #endif 778 // Use BOOST_NO_CXX11_HDR_REGEX instead of BOOST_NO_0X_HDR_REGEX 779 #if defined(BOOST_NO_CXX11_HDR_REGEX) && !defined(BOOST_NO_0X_HDR_REGEX) 780 # define BOOST_NO_0X_HDR_REGEX 781 #endif 782 // Use BOOST_NO_CXX11_HDR_SYSTEM_ERROR instead of BOOST_NO_0X_HDR_SYSTEM_ERROR 783 #if defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR) && !defined(BOOST_NO_0X_HDR_SYSTEM_ERROR) 784 # define BOOST_NO_0X_HDR_SYSTEM_ERROR 785 #endif 786 // Use BOOST_NO_CXX11_HDR_THREAD instead of BOOST_NO_0X_HDR_THREAD 787 #if defined(BOOST_NO_CXX11_HDR_THREAD) && !defined(BOOST_NO_0X_HDR_THREAD) 788 # define BOOST_NO_0X_HDR_THREAD 789 #endif 790 // Use BOOST_NO_CXX11_HDR_TUPLE instead of BOOST_NO_0X_HDR_TUPLE 791 #if defined(BOOST_NO_CXX11_HDR_TUPLE) && !defined(BOOST_NO_0X_HDR_TUPLE) 792 # define BOOST_NO_0X_HDR_TUPLE 793 #endif 794 // Use BOOST_NO_CXX11_HDR_TYPE_TRAITS instead of BOOST_NO_0X_HDR_TYPE_TRAITS 795 #if defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS) && !defined(BOOST_NO_0X_HDR_TYPE_TRAITS) 796 # define BOOST_NO_0X_HDR_TYPE_TRAITS 797 #endif 798 // Use BOOST_NO_CXX11_HDR_TYPEINDEX instead of BOOST_NO_0X_HDR_TYPEINDEX 799 #if defined(BOOST_NO_CXX11_HDR_TYPEINDEX) && !defined(BOOST_NO_0X_HDR_TYPEINDEX) 800 # define BOOST_NO_0X_HDR_TYPEINDEX 801 #endif 802 // Use BOOST_NO_CXX11_HDR_UNORDERED_MAP instead of BOOST_NO_0X_HDR_UNORDERED_MAP 803 #if defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP) && !defined(BOOST_NO_0X_HDR_UNORDERED_MAP) 804 # define BOOST_NO_0X_HDR_UNORDERED_MAP 805 #endif 806 // Use BOOST_NO_CXX11_HDR_UNORDERED_SET instead of BOOST_NO_0X_HDR_UNORDERED_SET 807 #if defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) && !defined(BOOST_NO_0X_HDR_UNORDERED_SET) 808 # define BOOST_NO_0X_HDR_UNORDERED_SET 809 #endif 810 811 // ------------------ End of deprecated macros for 1.50 --------------------------- 812 813 // -------------------- Deprecated macros for 1.51 --------------------------- 814 // These will go away in a future release 815 816 // Use BOOST_NO_CXX11_AUTO_DECLARATIONS instead of BOOST_NO_AUTO_DECLARATIONS 817 #if defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && !defined(BOOST_NO_AUTO_DECLARATIONS) 818 # define BOOST_NO_AUTO_DECLARATIONS 819 #endif 820 // Use BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS instead of BOOST_NO_AUTO_MULTIDECLARATIONS 821 #if defined(BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS) && !defined(BOOST_NO_AUTO_MULTIDECLARATIONS) 822 # define BOOST_NO_AUTO_MULTIDECLARATIONS 823 #endif 824 // Use BOOST_NO_CXX11_CHAR16_T instead of BOOST_NO_CHAR16_T 825 #if defined(BOOST_NO_CXX11_CHAR16_T) && !defined(BOOST_NO_CHAR16_T) 826 # define BOOST_NO_CHAR16_T 827 #endif 828 // Use BOOST_NO_CXX11_CHAR32_T instead of BOOST_NO_CHAR32_T 829 #if defined(BOOST_NO_CXX11_CHAR32_T) && !defined(BOOST_NO_CHAR32_T) 830 # define BOOST_NO_CHAR32_T 831 #endif 832 // Use BOOST_NO_CXX11_TEMPLATE_ALIASES instead of BOOST_NO_TEMPLATE_ALIASES 833 #if defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) && !defined(BOOST_NO_TEMPLATE_ALIASES) 834 # define BOOST_NO_TEMPLATE_ALIASES 835 #endif 836 // Use BOOST_NO_CXX11_CONSTEXPR instead of BOOST_NO_CONSTEXPR 837 #if defined(BOOST_NO_CXX11_CONSTEXPR) && !defined(BOOST_NO_CONSTEXPR) 838 # define BOOST_NO_CONSTEXPR 839 #endif 840 // Use BOOST_NO_CXX11_DECLTYPE_N3276 instead of BOOST_NO_DECLTYPE_N3276 841 #if defined(BOOST_NO_CXX11_DECLTYPE_N3276) && !defined(BOOST_NO_DECLTYPE_N3276) 842 # define BOOST_NO_DECLTYPE_N3276 843 #endif 844 // Use BOOST_NO_CXX11_DECLTYPE instead of BOOST_NO_DECLTYPE 845 #if defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_DECLTYPE) 846 # define BOOST_NO_DECLTYPE 847 #endif 848 // Use BOOST_NO_CXX11_DEFAULTED_FUNCTIONS instead of BOOST_NO_DEFAULTED_FUNCTIONS 849 #if defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) && !defined(BOOST_NO_DEFAULTED_FUNCTIONS) 850 # define BOOST_NO_DEFAULTED_FUNCTIONS 851 #endif 852 // Use BOOST_NO_CXX11_DELETED_FUNCTIONS instead of BOOST_NO_DELETED_FUNCTIONS 853 #if defined(BOOST_NO_CXX11_DELETED_FUNCTIONS) && !defined(BOOST_NO_DELETED_FUNCTIONS) 854 # define BOOST_NO_DELETED_FUNCTIONS 855 #endif 856 // Use BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS instead of BOOST_NO_EXPLICIT_CONVERSION_OPERATORS 857 #if defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS) && !defined(BOOST_NO_EXPLICIT_CONVERSION_OPERATORS) 858 # define BOOST_NO_EXPLICIT_CONVERSION_OPERATORS 859 #endif 860 // Use BOOST_NO_CXX11_EXTERN_TEMPLATE instead of BOOST_NO_EXTERN_TEMPLATE 861 #if defined(BOOST_NO_CXX11_EXTERN_TEMPLATE) && !defined(BOOST_NO_EXTERN_TEMPLATE) 862 # define BOOST_NO_EXTERN_TEMPLATE 863 #endif 864 // Use BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS instead of BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS 865 #if defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS) && !defined(BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS) 866 # define BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS 867 #endif 868 // Use BOOST_NO_CXX11_LAMBDAS instead of BOOST_NO_LAMBDAS 869 #if defined(BOOST_NO_CXX11_LAMBDAS) && !defined(BOOST_NO_LAMBDAS) 870 # define BOOST_NO_LAMBDAS 871 #endif 872 // Use BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS instead of BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS 873 #if defined(BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS) && !defined(BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS) 874 # define BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS 875 #endif 876 // Use BOOST_NO_CXX11_NOEXCEPT instead of BOOST_NO_NOEXCEPT 877 #if defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_NOEXCEPT) 878 # define BOOST_NO_NOEXCEPT 879 #endif 880 // Use BOOST_NO_CXX11_NULLPTR instead of BOOST_NO_NULLPTR 881 #if defined(BOOST_NO_CXX11_NULLPTR) && !defined(BOOST_NO_NULLPTR) 882 # define BOOST_NO_NULLPTR 883 #endif 884 // Use BOOST_NO_CXX11_RAW_LITERALS instead of BOOST_NO_RAW_LITERALS 885 #if defined(BOOST_NO_CXX11_RAW_LITERALS) && !defined(BOOST_NO_RAW_LITERALS) 886 # define BOOST_NO_RAW_LITERALS 887 #endif 888 // Use BOOST_NO_CXX11_RVALUE_REFERENCES instead of BOOST_NO_RVALUE_REFERENCES 889 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_RVALUE_REFERENCES) 890 # define BOOST_NO_RVALUE_REFERENCES 891 #endif 892 // Use BOOST_NO_CXX11_SCOPED_ENUMS instead of BOOST_NO_SCOPED_ENUMS 893 #if defined(BOOST_NO_CXX11_SCOPED_ENUMS) && !defined(BOOST_NO_SCOPED_ENUMS) 894 # define BOOST_NO_SCOPED_ENUMS 895 #endif 896 // Use BOOST_NO_CXX11_STATIC_ASSERT instead of BOOST_NO_STATIC_ASSERT 897 #if defined(BOOST_NO_CXX11_STATIC_ASSERT) && !defined(BOOST_NO_STATIC_ASSERT) 898 # define BOOST_NO_STATIC_ASSERT 899 #endif 900 // Use BOOST_NO_CXX11_STD_UNORDERED instead of BOOST_NO_STD_UNORDERED 901 #if defined(BOOST_NO_CXX11_STD_UNORDERED) && !defined(BOOST_NO_STD_UNORDERED) 902 # define BOOST_NO_STD_UNORDERED 903 #endif 904 // Use BOOST_NO_CXX11_UNICODE_LITERALS instead of BOOST_NO_UNICODE_LITERALS 905 #if defined(BOOST_NO_CXX11_UNICODE_LITERALS) && !defined(BOOST_NO_UNICODE_LITERALS) 906 # define BOOST_NO_UNICODE_LITERALS 907 #endif 908 // Use BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX instead of BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX 909 #if defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX) && !defined(BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX) 910 # define BOOST_NO_UNIFIED_INITIALIZATION_SYNTAX 911 #endif 912 // Use BOOST_NO_CXX11_VARIADIC_TEMPLATES instead of BOOST_NO_VARIADIC_TEMPLATES 913 #if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_VARIADIC_TEMPLATES) 914 # define BOOST_NO_VARIADIC_TEMPLATES 915 #endif 916 // Use BOOST_NO_CXX11_VARIADIC_MACROS instead of BOOST_NO_VARIADIC_MACROS 917 #if defined(BOOST_NO_CXX11_VARIADIC_MACROS) && !defined(BOOST_NO_VARIADIC_MACROS) 918 # define BOOST_NO_VARIADIC_MACROS 919 #endif 920 // Use BOOST_NO_CXX11_NUMERIC_LIMITS instead of BOOST_NO_NUMERIC_LIMITS_LOWEST 921 #if defined(BOOST_NO_CXX11_NUMERIC_LIMITS) && !defined(BOOST_NO_NUMERIC_LIMITS_LOWEST) 922 # define BOOST_NO_NUMERIC_LIMITS_LOWEST 923 #endif 924 // ------------------ End of deprecated macros for 1.51 --------------------------- 925 926 927 928 // 929 // Helper macros BOOST_NOEXCEPT, BOOST_NOEXCEPT_IF, BOOST_NOEXCEPT_EXPR 930 // These aid the transition to C++11 while still supporting C++03 compilers 931 // 932 #ifdef BOOST_NO_CXX11_NOEXCEPT 933 # define BOOST_NOEXCEPT 934 # define BOOST_NOEXCEPT_OR_NOTHROW throw() 935 # define BOOST_NOEXCEPT_IF(Predicate) 936 # define BOOST_NOEXCEPT_EXPR(Expression) false 937 #else 938 # define BOOST_NOEXCEPT noexcept 939 # define BOOST_NOEXCEPT_OR_NOTHROW noexcept 940 # define BOOST_NOEXCEPT_IF(Predicate) noexcept((Predicate)) 941 # define BOOST_NOEXCEPT_EXPR(Expression) noexcept((Expression)) 942 #endif 943 // 944 // Helper macro BOOST_FALLTHROUGH 945 // Fallback definition of BOOST_FALLTHROUGH macro used to mark intended 946 // fall-through between case labels in a switch statement. We use a definition 947 // that requires a semicolon after it to avoid at least one type of misuse even 948 // on unsupported compilers. 949 // 950 #ifndef BOOST_FALLTHROUGH 951 # define BOOST_FALLTHROUGH ((void)0) 952 #endif 953 954 // 955 // constexpr workarounds 956 // 957 #if defined(BOOST_NO_CXX11_CONSTEXPR) 958 #define BOOST_CONSTEXPR 959 #define BOOST_CONSTEXPR_OR_CONST const 960 #else 961 #define BOOST_CONSTEXPR constexpr 962 #define BOOST_CONSTEXPR_OR_CONST constexpr 963 #endif 964 #if defined(BOOST_NO_CXX14_CONSTEXPR) 965 #define BOOST_CXX14_CONSTEXPR 966 #else 967 #define BOOST_CXX14_CONSTEXPR constexpr 968 #endif 969 970 // 971 // Unused variable/typedef workarounds: 972 // 973 #ifndef BOOST_ATTRIBUTE_UNUSED 974 # define BOOST_ATTRIBUTE_UNUSED 975 #endif 976 977 #define BOOST_STATIC_CONSTEXPR static BOOST_CONSTEXPR_OR_CONST 978 979 // 980 // Set BOOST_HAS_STATIC_ASSERT when BOOST_NO_CXX11_STATIC_ASSERT is not defined 981 // 982 #if !defined(BOOST_NO_CXX11_STATIC_ASSERT) && !defined(BOOST_HAS_STATIC_ASSERT) 983 # define BOOST_HAS_STATIC_ASSERT 984 #endif 985 986 // 987 // Set BOOST_HAS_RVALUE_REFS when BOOST_NO_CXX11_RVALUE_REFERENCES is not defined 988 // 989 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_HAS_RVALUE_REFS) 990 #define BOOST_HAS_RVALUE_REFS 991 #endif 992 993 // 994 // Set BOOST_HAS_VARIADIC_TMPL when BOOST_NO_CXX11_VARIADIC_TEMPLATES is not defined 995 // 996 #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_HAS_VARIADIC_TMPL) 997 #define BOOST_HAS_VARIADIC_TMPL 998 #endif 999 // 1000 // Set BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS when 1001 // BOOST_NO_CXX11_VARIADIC_TEMPLATES is set: 1002 // 1003 #if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS) 1004 # define BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS 1005 #endif 1006 1007 // 1008 // Finish off with checks for macros that are depricated / no longer supported, 1009 // if any of these are set then it's very likely that much of Boost will no 1010 // longer work. So stop with a #error for now, but give the user a chance 1011 // to continue at their own risk if they really want to: 1012 // 1013 #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_CONFIG_ALLOW_DEPRECATED) 1014 # 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!!!" 1015 #endif 1016 1017 #endif 1018