1 // Boost config.hpp configuration header file ------------------------------// 2 3 // Copyright (c) 2001-2003 John Maddock 4 // Copyright (c) 2001 Darin Adler 5 // Copyright (c) 2001 Peter Dimov 6 // Copyright (c) 2002 Bill Kempf 7 // Copyright (c) 2002 Jens Maurer 8 // Copyright (c) 2002-2003 David Abrahams 9 // Copyright (c) 2003 Gennaro Prota 10 // Copyright (c) 2003 Eric Friedman 11 // Copyright (c) 2010 Eric Jourdanneau, Joel Falcou 12 // Distributed under the Boost Software License, Version 1.0. (See 13 // accompanying file LICENSE_1_0.txt or copy at 14 // http://www.boost.org/LICENSE_1_0.txt) 15 16 // See http://www.boost.org/ for most recent version. 17 18 // Boost config.hpp policy and rationale documentation has been moved to 19 // http://www.boost.org/libs/config/ 20 // 21 // This file is intended to be stable, and relatively unchanging. 22 // It should contain boilerplate code only - no compiler specific 23 // code unless it is unavoidable - no changes unless unavoidable. 24 25 #ifndef BOOST_CONFIG_SUFFIX_HPP 26 #define BOOST_CONFIG_SUFFIX_HPP 27 28 #if defined(__GNUC__) && (__GNUC__ >= 4) 29 // 30 // Some GCC-4.x versions issue warnings even when __extension__ is used, 31 // so use this as a workaround: 32 // 33 #pragma GCC system_header 34 #endif 35 36 // 37 // ensure that visibility macros are always defined, thus symplifying use 38 // 39 #ifndef BOOST_SYMBOL_EXPORT 40 # define BOOST_SYMBOL_EXPORT 41 #endif 42 #ifndef BOOST_SYMBOL_IMPORT 43 # define BOOST_SYMBOL_IMPORT 44 #endif 45 #ifndef BOOST_SYMBOL_VISIBLE 46 # define BOOST_SYMBOL_VISIBLE 47 #endif 48 49 // 50 // look for long long by looking for the appropriate macros in <limits.h>. 51 // Note that we use limits.h rather than climits for maximal portability, 52 // remember that since these just declare a bunch of macros, there should be 53 // no namespace issues from this. 54 // 55 #if !defined(BOOST_HAS_LONG_LONG) && !defined(BOOST_NO_LONG_LONG) \ 56 && !defined(BOOST_MSVC) && !defined(__BORLANDC__) 57 # include <limits.h> 58 # if (defined(ULLONG_MAX) || defined(ULONG_LONG_MAX) || defined(ULONGLONG_MAX)) 59 # define BOOST_HAS_LONG_LONG 60 # else 61 # define BOOST_NO_LONG_LONG 62 # endif 63 #endif 64 65 // GCC 3.x will clean up all of those nasty macro definitions that 66 // BOOST_NO_CTYPE_FUNCTIONS is intended to help work around, so undefine 67 // it under GCC 3.x. 68 #if defined(__GNUC__) && (__GNUC__ >= 3) && defined(BOOST_NO_CTYPE_FUNCTIONS) 69 # undef BOOST_NO_CTYPE_FUNCTIONS 70 #endif 71 72 // 73 // Assume any extensions are in namespace std:: unless stated otherwise: 74 // 75 # ifndef BOOST_STD_EXTENSION_NAMESPACE 76 # define BOOST_STD_EXTENSION_NAMESPACE std 77 # endif 78 79 // 80 // If cv-qualified specializations are not allowed, then neither are cv-void ones: 81 // 82 # if defined(BOOST_NO_CV_SPECIALIZATIONS) \ 83 && !defined(BOOST_NO_CV_VOID_SPECIALIZATIONS) 84 # define BOOST_NO_CV_VOID_SPECIALIZATIONS 85 # endif 86 87 // 88 // If there is no numeric_limits template, then it can't have any compile time 89 // constants either! 90 // 91 # if defined(BOOST_NO_LIMITS) \ 92 && !defined(BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS) 93 # define BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS 94 # define BOOST_NO_MS_INT64_NUMERIC_LIMITS 95 # define BOOST_NO_LONG_LONG_NUMERIC_LIMITS 96 # endif 97 98 // 99 // if there is no long long then there is no specialisation 100 // for numeric_limits<long long> either: 101 // 102 #if !defined(BOOST_HAS_LONG_LONG) && !defined(BOOST_NO_LONG_LONG_NUMERIC_LIMITS) 103 # define BOOST_NO_LONG_LONG_NUMERIC_LIMITS 104 #endif 105 106 // 107 // Normalize BOOST_NO_STATIC_ASSERT and (depricated) BOOST_HAS_STATIC_ASSERT: 108 // 109 #if !defined(BOOST_NO_STATIC_ASSERT) && !defined(BOOST_HAS_STATIC_ASSERT) 110 # define BOOST_HAS_STATIC_ASSERT 111 #endif 112 113 // 114 // if there is no __int64 then there is no specialisation 115 // for numeric_limits<__int64> either: 116 // 117 #if !defined(BOOST_HAS_MS_INT64) && !defined(BOOST_NO_MS_INT64_NUMERIC_LIMITS) 118 # define BOOST_NO_MS_INT64_NUMERIC_LIMITS 119 #endif 120 121 // 122 // if member templates are supported then so is the 123 // VC6 subset of member templates: 124 // 125 # if !defined(BOOST_NO_MEMBER_TEMPLATES) \ 126 && !defined(BOOST_MSVC6_MEMBER_TEMPLATES) 127 # define BOOST_MSVC6_MEMBER_TEMPLATES 128 # endif 129 130 // 131 // Without partial specialization, can't test for partial specialisation bugs: 132 // 133 # if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ 134 && !defined(BOOST_BCB_PARTIAL_SPECIALIZATION_BUG) 135 # define BOOST_BCB_PARTIAL_SPECIALIZATION_BUG 136 # endif 137 138 // 139 // Without partial specialization, we can't have array-type partial specialisations: 140 // 141 # if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ 142 && !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS) 143 # define BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS 144 # endif 145 146 // 147 // Without partial specialization, std::iterator_traits can't work: 148 // 149 # if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ 150 && !defined(BOOST_NO_STD_ITERATOR_TRAITS) 151 # define BOOST_NO_STD_ITERATOR_TRAITS 152 # endif 153 154 // 155 // Without partial specialization, partial 156 // specialization with default args won't work either: 157 // 158 # if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ 159 && !defined(BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS) 160 # define BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS 161 # endif 162 163 // 164 // Without member template support, we can't have template constructors 165 // in the standard library either: 166 // 167 # if defined(BOOST_NO_MEMBER_TEMPLATES) \ 168 && !defined(BOOST_MSVC6_MEMBER_TEMPLATES) \ 169 && !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS) 170 # define BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS 171 # endif 172 173 // 174 // Without member template support, we can't have a conforming 175 // std::allocator template either: 176 // 177 # if defined(BOOST_NO_MEMBER_TEMPLATES) \ 178 && !defined(BOOST_MSVC6_MEMBER_TEMPLATES) \ 179 && !defined(BOOST_NO_STD_ALLOCATOR) 180 # define BOOST_NO_STD_ALLOCATOR 181 # endif 182 183 // 184 // without ADL support then using declarations will break ADL as well: 185 // 186 #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) && !defined(BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL) 187 # define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL 188 #endif 189 190 // 191 // Without typeid support we have no dynamic RTTI either: 192 // 193 #if defined(BOOST_NO_TYPEID) && !defined(BOOST_NO_RTTI) 194 # define BOOST_NO_RTTI 195 #endif 196 197 // 198 // If we have a standard allocator, then we have a partial one as well: 199 // 200 #if !defined(BOOST_NO_STD_ALLOCATOR) 201 # define BOOST_HAS_PARTIAL_STD_ALLOCATOR 202 #endif 203 204 // 205 // We can't have a working std::use_facet if there is no std::locale: 206 // 207 # if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_USE_FACET) 208 # define BOOST_NO_STD_USE_FACET 209 # endif 210 211 // 212 // We can't have a std::messages facet if there is no std::locale: 213 // 214 # if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_MESSAGES) 215 # define BOOST_NO_STD_MESSAGES 216 # endif 217 218 // 219 // We can't have a working std::wstreambuf if there is no std::locale: 220 // 221 # if defined(BOOST_NO_STD_LOCALE) && !defined(BOOST_NO_STD_WSTREAMBUF) 222 # define BOOST_NO_STD_WSTREAMBUF 223 # endif 224 225 // 226 // We can't have a <cwctype> if there is no <cwchar>: 227 // 228 # if defined(BOOST_NO_CWCHAR) && !defined(BOOST_NO_CWCTYPE) 229 # define BOOST_NO_CWCTYPE 230 # endif 231 232 // 233 // We can't have a swprintf if there is no <cwchar>: 234 // 235 # if defined(BOOST_NO_CWCHAR) && !defined(BOOST_NO_SWPRINTF) 236 # define BOOST_NO_SWPRINTF 237 # endif 238 239 // 240 // If Win32 support is turned off, then we must turn off 241 // threading support also, unless there is some other 242 // thread API enabled: 243 // 244 #if defined(BOOST_DISABLE_WIN32) && defined(_WIN32) \ 245 && !defined(BOOST_DISABLE_THREADS) && !defined(BOOST_HAS_PTHREADS) 246 # define BOOST_DISABLE_THREADS 247 #endif 248 249 // 250 // Turn on threading support if the compiler thinks that it's in 251 // multithreaded mode. We put this here because there are only a 252 // limited number of macros that identify this (if there's any missing 253 // from here then add to the appropriate compiler section): 254 // 255 #if (defined(__MT__) || defined(_MT) || defined(_REENTRANT) \ 256 || defined(_PTHREADS) || defined(__APPLE__) || defined(__DragonFly__)) \ 257 && !defined(BOOST_HAS_THREADS) 258 # define BOOST_HAS_THREADS 259 #endif 260 261 // 262 // Turn threading support off if BOOST_DISABLE_THREADS is defined: 263 // 264 #if defined(BOOST_DISABLE_THREADS) && defined(BOOST_HAS_THREADS) 265 # undef BOOST_HAS_THREADS 266 #endif 267 268 // 269 // Turn threading support off if we don't recognise the threading API: 270 // 271 #if defined(BOOST_HAS_THREADS) && !defined(BOOST_HAS_PTHREADS)\ 272 && !defined(BOOST_HAS_WINTHREADS) && !defined(BOOST_HAS_BETHREADS)\ 273 && !defined(BOOST_HAS_MPTASKS) 274 # undef BOOST_HAS_THREADS 275 #endif 276 277 // 278 // Turn threading detail macros off if we don't (want to) use threading 279 // 280 #ifndef BOOST_HAS_THREADS 281 # undef BOOST_HAS_PTHREADS 282 # undef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE 283 # undef BOOST_HAS_PTHREAD_YIELD 284 # undef BOOST_HAS_PTHREAD_DELAY_NP 285 # undef BOOST_HAS_WINTHREADS 286 # undef BOOST_HAS_BETHREADS 287 # undef BOOST_HAS_MPTASKS 288 #endif 289 290 // 291 // If the compiler claims to be C99 conformant, then it had better 292 // have a <stdint.h>: 293 // 294 # if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901) 295 # define BOOST_HAS_STDINT_H 296 # ifndef BOOST_HAS_LOG1P 297 # define BOOST_HAS_LOG1P 298 # endif 299 # ifndef BOOST_HAS_EXPM1 300 # define BOOST_HAS_EXPM1 301 # endif 302 # endif 303 304 // 305 // Define BOOST_NO_SLIST and BOOST_NO_HASH if required. 306 // Note that this is for backwards compatibility only. 307 // 308 # if !defined(BOOST_HAS_SLIST) && !defined(BOOST_NO_SLIST) 309 # define BOOST_NO_SLIST 310 # endif 311 312 # if !defined(BOOST_HAS_HASH) && !defined(BOOST_NO_HASH) 313 # define BOOST_NO_HASH 314 # endif 315 316 // 317 // Set BOOST_SLIST_HEADER if not set already: 318 // 319 #if defined(BOOST_HAS_SLIST) && !defined(BOOST_SLIST_HEADER) 320 # define BOOST_SLIST_HEADER <slist> 321 #endif 322 323 // 324 // Set BOOST_HASH_SET_HEADER if not set already: 325 // 326 #if defined(BOOST_HAS_HASH) && !defined(BOOST_HASH_SET_HEADER) 327 # define BOOST_HASH_SET_HEADER <hash_set> 328 #endif 329 330 // 331 // Set BOOST_HASH_MAP_HEADER if not set already: 332 // 333 #if defined(BOOST_HAS_HASH) && !defined(BOOST_HASH_MAP_HEADER) 334 # define BOOST_HASH_MAP_HEADER <hash_map> 335 #endif 336 337 // 338 // Set BOOST_NO_INITIALIZER_LISTS if there is no library support. 339 // 340 341 #if defined(BOOST_NO_0X_HDR_INITIALIZER_LIST) && !defined(BOOST_NO_INITIALIZER_LISTS) 342 # define BOOST_NO_INITIALIZER_LISTS 343 #endif 344 #if defined(BOOST_NO_INITIALIZER_LISTS) && !defined(BOOST_NO_0X_HDR_INITIALIZER_LIST) 345 # define BOOST_NO_0X_HDR_INITIALIZER_LIST 346 #endif 347 348 // 349 // Set BOOST_HAS_RVALUE_REFS when BOOST_NO_RVALUE_REFERENCES is not defined 350 // 351 #if !defined(BOOST_NO_RVALUE_REFERENCES) && !defined(BOOST_HAS_RVALUE_REFS) 352 #define BOOST_HAS_RVALUE_REFS 353 #endif 354 355 // 356 // Set BOOST_HAS_VARIADIC_TMPL when BOOST_NO_VARIADIC_TEMPLATES is not defined 357 // 358 #if !defined(BOOST_NO_VARIADIC_TEMPLATES) && !defined(BOOST_HAS_VARIADIC_TMPL) 359 #define BOOST_HAS_VARIADIC_TMPL 360 #endif 361 362 // BOOST_HAS_ABI_HEADERS 363 // This macro gets set if we have headers that fix the ABI, 364 // and prevent ODR violations when linking to external libraries: 365 #if defined(BOOST_ABI_PREFIX) && defined(BOOST_ABI_SUFFIX) && !defined(BOOST_HAS_ABI_HEADERS) 366 # define BOOST_HAS_ABI_HEADERS 367 #endif 368 369 #if defined(BOOST_HAS_ABI_HEADERS) && defined(BOOST_DISABLE_ABI_HEADERS) 370 # undef BOOST_HAS_ABI_HEADERS 371 #endif 372 373 // BOOST_NO_STDC_NAMESPACE workaround --------------------------------------// 374 // Because std::size_t usage is so common, even in boost headers which do not 375 // otherwise use the C library, the <cstddef> workaround is included here so 376 // that ugly workaround code need not appear in many other boost headers. 377 // NOTE WELL: This is a workaround for non-conforming compilers; <cstddef> 378 // must still be #included in the usual places so that <cstddef> inclusion 379 // works as expected with standard conforming compilers. The resulting 380 // double inclusion of <cstddef> is harmless. 381 382 # if defined(BOOST_NO_STDC_NAMESPACE) && defined(__cplusplus) 383 # include <cstddef> 384 namespace std { using ::ptrdiff_t; using ::size_t; } 385 # endif 386 387 // Workaround for the unfortunate min/max macros defined by some platform headers 388 389 #define BOOST_PREVENT_MACRO_SUBSTITUTION 390 391 #ifndef BOOST_USING_STD_MIN 392 # define BOOST_USING_STD_MIN() using std::min 393 #endif 394 395 #ifndef BOOST_USING_STD_MAX 396 # define BOOST_USING_STD_MAX() using std::max 397 #endif 398 399 // BOOST_NO_STD_MIN_MAX workaround -----------------------------------------// 400 401 # if defined(BOOST_NO_STD_MIN_MAX) && defined(__cplusplus) 402 403 namespace std { 404 template <class _Tp> BOOST_PREVENT_MACRO_SUBSTITUTION(const _Tp & __a,const _Tp & __b)405 inline const _Tp& min BOOST_PREVENT_MACRO_SUBSTITUTION (const _Tp& __a, const _Tp& __b) { 406 return __b < __a ? __b : __a; 407 } 408 template <class _Tp> BOOST_PREVENT_MACRO_SUBSTITUTION(const _Tp & __a,const _Tp & __b)409 inline const _Tp& max BOOST_PREVENT_MACRO_SUBSTITUTION (const _Tp& __a, const _Tp& __b) { 410 return __a < __b ? __b : __a; 411 } 412 } 413 414 # endif 415 416 // BOOST_STATIC_CONSTANT workaround --------------------------------------- // 417 // On compilers which don't allow in-class initialization of static integral 418 // constant members, we must use enums as a workaround if we want the constants 419 // to be available at compile-time. This macro gives us a convenient way to 420 // declare such constants. 421 422 # ifdef BOOST_NO_INCLASS_MEMBER_INITIALIZATION 423 # define BOOST_STATIC_CONSTANT(type, assignment) enum { assignment } 424 # else 425 # define BOOST_STATIC_CONSTANT(type, assignment) static const type assignment 426 # endif 427 428 // BOOST_USE_FACET / HAS_FACET workaround ----------------------------------// 429 // When the standard library does not have a conforming std::use_facet there 430 // are various workarounds available, but they differ from library to library. 431 // The same problem occurs with has_facet. 432 // These macros provide a consistent way to access a locale's facets. 433 // Usage: 434 // replace 435 // std::use_facet<Type>(loc); 436 // with 437 // BOOST_USE_FACET(Type, loc); 438 // Note do not add a std:: prefix to the front of BOOST_USE_FACET! 439 // Use for BOOST_HAS_FACET is analogous. 440 441 #if defined(BOOST_NO_STD_USE_FACET) 442 # ifdef BOOST_HAS_TWO_ARG_USE_FACET 443 # define BOOST_USE_FACET(Type, loc) std::use_facet(loc, static_cast<Type*>(0)) 444 # define BOOST_HAS_FACET(Type, loc) std::has_facet(loc, static_cast<Type*>(0)) 445 # elif defined(BOOST_HAS_MACRO_USE_FACET) 446 # define BOOST_USE_FACET(Type, loc) std::_USE(loc, Type) 447 # define BOOST_HAS_FACET(Type, loc) std::_HAS(loc, Type) 448 # elif defined(BOOST_HAS_STLP_USE_FACET) 449 # define BOOST_USE_FACET(Type, loc) (*std::_Use_facet<Type >(loc)) 450 # define BOOST_HAS_FACET(Type, loc) std::has_facet< Type >(loc) 451 # endif 452 #else 453 # define BOOST_USE_FACET(Type, loc) std::use_facet< Type >(loc) 454 # define BOOST_HAS_FACET(Type, loc) std::has_facet< Type >(loc) 455 #endif 456 457 // BOOST_NESTED_TEMPLATE workaround ------------------------------------------// 458 // Member templates are supported by some compilers even though they can't use 459 // the A::template member<U> syntax, as a workaround replace: 460 // 461 // typedef typename A::template rebind<U> binder; 462 // 463 // with: 464 // 465 // typedef typename A::BOOST_NESTED_TEMPLATE rebind<U> binder; 466 467 #ifndef BOOST_NO_MEMBER_TEMPLATE_KEYWORD 468 # define BOOST_NESTED_TEMPLATE template 469 #else 470 # define BOOST_NESTED_TEMPLATE 471 #endif 472 473 // BOOST_UNREACHABLE_RETURN(x) workaround -------------------------------------// 474 // Normally evaluates to nothing, unless BOOST_NO_UNREACHABLE_RETURN_DETECTION 475 // is defined, in which case it evaluates to return x; Use when you have a return 476 // statement that can never be reached. 477 478 #ifdef BOOST_NO_UNREACHABLE_RETURN_DETECTION 479 # define BOOST_UNREACHABLE_RETURN(x) return x; 480 #else 481 # define BOOST_UNREACHABLE_RETURN(x) 482 #endif 483 484 // BOOST_DEDUCED_TYPENAME workaround ------------------------------------------// 485 // 486 // Some compilers don't support the use of `typename' for dependent 487 // types in deduced contexts, e.g. 488 // 489 // template <class T> void f(T, typename T::type); 490 // ^^^^^^^^ 491 // Replace these declarations with: 492 // 493 // template <class T> void f(T, BOOST_DEDUCED_TYPENAME T::type); 494 495 #ifndef BOOST_NO_DEDUCED_TYPENAME 496 # define BOOST_DEDUCED_TYPENAME typename 497 #else 498 # define BOOST_DEDUCED_TYPENAME 499 #endif 500 501 #ifndef BOOST_NO_TYPENAME_WITH_CTOR 502 # define BOOST_CTOR_TYPENAME typename 503 #else 504 # define BOOST_CTOR_TYPENAME 505 #endif 506 507 // long long workaround ------------------------------------------// 508 // On gcc (and maybe other compilers?) long long is alway supported 509 // but it's use may generate either warnings (with -ansi), or errors 510 // (with -pedantic -ansi) unless it's use is prefixed by __extension__ 511 // 512 #if defined(BOOST_HAS_LONG_LONG) && defined(__cplusplus) 513 namespace boost{ 514 # ifdef __GNUC__ 515 __extension__ typedef long long long_long_type; 516 __extension__ typedef unsigned long long ulong_long_type; 517 # else 518 typedef long long long_long_type; 519 typedef unsigned long long ulong_long_type; 520 # endif 521 } 522 #endif 523 524 // BOOST_[APPEND_]EXPLICIT_TEMPLATE_[NON_]TYPE macros --------------------------// 525 // 526 // Some compilers have problems with function templates whose template 527 // parameters don't appear in the function parameter list (basically 528 // they just link one instantiation of the template in the final 529 // executable). These macros provide a uniform way to cope with the 530 // problem with no effects on the calling syntax. 531 532 // Example: 533 // 534 // #include <iostream> 535 // #include <ostream> 536 // #include <typeinfo> 537 // 538 // template <int n> 539 // void f() { std::cout << n << ' '; } 540 // 541 // template <typename T> 542 // void g() { std::cout << typeid(T).name() << ' '; } 543 // 544 // int main() { 545 // f<1>(); 546 // f<2>(); 547 // 548 // g<int>(); 549 // g<double>(); 550 // } 551 // 552 // With VC++ 6.0 the output is: 553 // 554 // 2 2 double double 555 // 556 // To fix it, write 557 // 558 // template <int n> 559 // void f(BOOST_EXPLICIT_TEMPLATE_NON_TYPE(int, n)) { ... } 560 // 561 // template <typename T> 562 // void g(BOOST_EXPLICIT_TEMPLATE_TYPE(T)) { ... } 563 // 564 565 566 #if defined(BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS) && defined(__cplusplus) 567 568 # include "boost/type.hpp" 569 # include "boost/non_type.hpp" 570 571 # define BOOST_EXPLICIT_TEMPLATE_TYPE(t) boost::type<t>* = 0 572 # define BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(t) boost::type<t>* 573 # define BOOST_EXPLICIT_TEMPLATE_NON_TYPE(t, v) boost::non_type<t, v>* = 0 574 # define BOOST_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) boost::non_type<t, v>* 575 576 # define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(t) \ 577 , BOOST_EXPLICIT_TEMPLATE_TYPE(t) 578 # define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t) \ 579 , BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(t) 580 # define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v) \ 581 , BOOST_EXPLICIT_TEMPLATE_NON_TYPE(t, v) 582 # define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) \ 583 , BOOST_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) 584 585 #else 586 587 // no workaround needed: expand to nothing 588 589 # define BOOST_EXPLICIT_TEMPLATE_TYPE(t) 590 # define BOOST_EXPLICIT_TEMPLATE_TYPE_SPEC(t) 591 # define BOOST_EXPLICIT_TEMPLATE_NON_TYPE(t, v) 592 # define BOOST_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) 593 594 # define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE(t) 595 # define BOOST_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t) 596 # define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v) 597 # define BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) 598 599 600 #endif // defined BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS 601 602 // When BOOST_NO_STD_TYPEINFO is defined, we can just import 603 // the global definition into std namespace: 604 #if defined(BOOST_NO_STD_TYPEINFO) && defined(__cplusplus) 605 #include <typeinfo> 606 namespace std{ using ::type_info; } 607 #endif 608 609 // ---------------------------------------------------------------------------// 610 611 // 612 // Helper macro BOOST_STRINGIZE: 613 // Converts the parameter X to a string after macro replacement 614 // on X has been performed. 615 // 616 #define BOOST_STRINGIZE(X) BOOST_DO_STRINGIZE(X) 617 #define BOOST_DO_STRINGIZE(X) #X 618 619 // 620 // Helper macro BOOST_JOIN: 621 // The following piece of macro magic joins the two 622 // arguments together, even when one of the arguments is 623 // itself a macro (see 16.3.1 in C++ standard). The key 624 // is that macro expansion of macro arguments does not 625 // occur in BOOST_DO_JOIN2 but does in BOOST_DO_JOIN. 626 // 627 #define BOOST_JOIN( X, Y ) BOOST_DO_JOIN( X, Y ) 628 #define BOOST_DO_JOIN( X, Y ) BOOST_DO_JOIN2(X,Y) 629 #define BOOST_DO_JOIN2( X, Y ) X##Y 630 631 // 632 // Set some default values for compiler/library/platform names. 633 // These are for debugging config setup only: 634 // 635 # ifndef BOOST_COMPILER 636 # define BOOST_COMPILER "Unknown ISO C++ Compiler" 637 # endif 638 # ifndef BOOST_STDLIB 639 # define BOOST_STDLIB "Unknown ISO standard library" 640 # endif 641 # ifndef BOOST_PLATFORM 642 # if defined(unix) || defined(__unix) || defined(_XOPEN_SOURCE) \ 643 || defined(_POSIX_SOURCE) 644 # define BOOST_PLATFORM "Generic Unix" 645 # else 646 # define BOOST_PLATFORM "Unknown" 647 # endif 648 # endif 649 650 // 651 // Set some default values GPU support 652 // 653 # ifndef BOOST_GPU_ENABLED 654 # define BOOST_GPU_ENABLED 655 # endif 656 657 // 658 // constexpr workarounds 659 // 660 #if defined(BOOST_NO_CONSTEXPR) 661 #define BOOST_CONSTEXPR 662 #define BOOST_CONSTEXPR_OR_CONST const 663 #else 664 #define BOOST_CONSTEXPR constexpr 665 #define BOOST_CONSTEXPR_OR_CONST constexpr 666 #endif 667 668 #define BOOST_STATIC_CONSTEXPR static BOOST_CONSTEXPR_OR_CONST 669 670 #endif 671 672