1 // -*- C++ -*- 2 //===--------------------------- __config ---------------------------------===// 3 // 4 // The LLVM Compiler Infrastructure 5 // 6 // This file is dual licensed under the MIT and the University of Illinois Open 7 // Source Licenses. See LICENSE.TXT for details. 8 // 9 //===----------------------------------------------------------------------===// 10 11 #ifndef _LIBCPP_CONFIG 12 #define _LIBCPP_CONFIG 13 14 #if !defined(_MSC_VER) || defined(__clang__) 15 #pragma GCC system_header 16 #endif 17 18 #ifdef __GNUC__ 19 #define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__) 20 #endif 21 22 #define _LIBCPP_VERSION 1101 23 24 #define _LIBCPP_ABI_VERSION 1 25 26 #define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y 27 #define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) 28 29 #define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) 30 31 #ifdef __LITTLE_ENDIAN__ 32 #if __LITTLE_ENDIAN__ 33 #define _LIBCPP_LITTLE_ENDIAN 1 34 #define _LIBCPP_BIG_ENDIAN 0 35 #endif // __LITTLE_ENDIAN__ 36 #endif // __LITTLE_ENDIAN__ 37 38 #ifdef __BIG_ENDIAN__ 39 #if __BIG_ENDIAN__ 40 #define _LIBCPP_LITTLE_ENDIAN 0 41 #define _LIBCPP_BIG_ENDIAN 1 42 #endif // __BIG_ENDIAN__ 43 #endif // __BIG_ENDIAN__ 44 45 #ifdef __FreeBSD__ 46 # include <sys/endian.h> 47 # if _BYTE_ORDER == _LITTLE_ENDIAN 48 # define _LIBCPP_LITTLE_ENDIAN 1 49 # define _LIBCPP_BIG_ENDIAN 0 50 # else // _BYTE_ORDER == _LITTLE_ENDIAN 51 # define _LIBCPP_LITTLE_ENDIAN 0 52 # define _LIBCPP_BIG_ENDIAN 1 53 # endif // _BYTE_ORDER == _LITTLE_ENDIAN 54 # ifndef __LONG_LONG_SUPPORTED 55 # define _LIBCPP_HAS_NO_LONG_LONG 56 # endif // __LONG_LONG_SUPPORTED 57 #endif // __FreeBSD__ 58 59 #ifdef __NetBSD__ 60 # include <sys/endian.h> 61 # if _BYTE_ORDER == _LITTLE_ENDIAN 62 # define _LIBCPP_LITTLE_ENDIAN 1 63 # define _LIBCPP_BIG_ENDIAN 0 64 # else // _BYTE_ORDER == _LITTLE_ENDIAN 65 # define _LIBCPP_LITTLE_ENDIAN 0 66 # define _LIBCPP_BIG_ENDIAN 1 67 # endif // _BYTE_ORDER == _LITTLE_ENDIAN 68 # define _LIBCPP_HAS_QUICK_EXIT 69 #endif // __NetBSD__ 70 71 #ifdef _WIN32 72 # define _LIBCPP_LITTLE_ENDIAN 1 73 # define _LIBCPP_BIG_ENDIAN 0 74 // Compiler intrinsics (GCC or MSVC) 75 # if defined(__clang__) \ 76 || (defined(_MSC_VER) && _MSC_VER >= 1400) \ 77 || (defined(__GNUC__) && _GNUC_VER > 403) 78 # define _LIBCPP_HAS_IS_BASE_OF 79 # endif 80 # if defined(_MSC_VER) && !defined(__clang__) 81 # define _LIBCPP_MSVC // Using Microsoft Visual C++ compiler 82 # define _LIBCPP_TOSTRING2(x) #x 83 # define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) 84 # define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x)) 85 # endif 86 # // If mingw not explicitly detected, assume using MS C runtime only. 87 # ifndef __MINGW32__ 88 # define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library 89 # endif 90 #endif // _WIN32 91 92 #ifdef __linux__ 93 # if defined(__GNUC__) && _GNUC_VER >= 403 94 # define _LIBCPP_HAS_IS_BASE_OF 95 # endif 96 #endif 97 98 #ifdef __sun__ 99 # include <sys/isa_defs.h> 100 # ifdef _LITTLE_ENDIAN 101 # define _LIBCPP_LITTLE_ENDIAN 1 102 # define _LIBCPP_BIG_ENDIAN 0 103 # else 104 # define _LIBCPP_LITTLE_ENDIAN 0 105 # define _LIBCPP_BIG_ENDIAN 1 106 # endif 107 #endif // __sun__ 108 109 #if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) 110 # include <endian.h> 111 # if __BYTE_ORDER == __LITTLE_ENDIAN 112 # define _LIBCPP_LITTLE_ENDIAN 1 113 # define _LIBCPP_BIG_ENDIAN 0 114 # elif __BYTE_ORDER == __BIG_ENDIAN 115 # define _LIBCPP_LITTLE_ENDIAN 0 116 # define _LIBCPP_BIG_ENDIAN 1 117 # else // __BYTE_ORDER == __BIG_ENDIAN 118 # error unable to determine endian 119 # endif 120 #endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) 121 122 #ifdef _WIN32 123 124 // only really useful for a DLL 125 #ifdef _LIBCPP_DLL // this should be a compiler builtin define ideally... 126 # ifdef cxx_EXPORTS 127 # define _LIBCPP_HIDDEN 128 # define _LIBCPP_FUNC_VIS __declspec(dllexport) 129 # define _LIBCPP_TYPE_VIS __declspec(dllexport) 130 # else 131 # define _LIBCPP_HIDDEN 132 # define _LIBCPP_FUNC_VIS __declspec(dllimport) 133 # define _LIBCPP_TYPE_VIS __declspec(dllimport) 134 # endif 135 #else 136 # define _LIBCPP_HIDDEN 137 # define _LIBCPP_FUNC_VIS 138 # define _LIBCPP_TYPE_VIS 139 #endif 140 141 #define _LIBCPP_TYPE_VIS_ONLY 142 #define _LIBCPP_FUNC_VIS_ONLY 143 144 #ifndef _LIBCPP_INLINE_VISIBILITY 145 # ifdef _LIBCPP_MSVC 146 # define _LIBCPP_INLINE_VISIBILITY __forceinline 147 # else // MinGW GCC and Clang 148 # define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) 149 # endif 150 #endif 151 152 #ifndef _LIBCPP_EXCEPTION_ABI 153 #define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS 154 #endif 155 156 #ifndef _LIBCPP_ALWAYS_INLINE 157 # ifdef _LIBCPP_MSVC 158 # define _LIBCPP_ALWAYS_INLINE __forceinline 159 # endif 160 #endif 161 162 #endif // _WIN32 163 164 #ifndef __has_attribute 165 #define __has_attribute(__x) 0 166 #endif 167 168 #ifndef _LIBCPP_HIDDEN 169 #define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) 170 #endif 171 172 #ifndef _LIBCPP_FUNC_VIS 173 #define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default"))) 174 #endif 175 176 #ifndef _LIBCPP_TYPE_VIS 177 # if __has_attribute(__type_visibility__) 178 # define _LIBCPP_TYPE_VIS __attribute__ ((__type_visibility__("default"))) 179 # else 180 # define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) 181 # endif 182 #endif 183 184 #ifndef _LIBCPP_TYPE_VIS_ONLY 185 # define _LIBCPP_TYPE_VIS_ONLY _LIBCPP_TYPE_VIS 186 #endif 187 188 #ifndef _LIBCPP_FUNC_VIS_ONLY 189 # define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS 190 #endif 191 192 #ifndef _LIBCPP_INLINE_VISIBILITY 193 #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__)) 194 #endif 195 196 #ifndef _LIBCPP_EXCEPTION_ABI 197 #define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default"))) 198 #endif 199 200 #ifndef _LIBCPP_ALWAYS_INLINE 201 #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__)) 202 #endif 203 204 #if defined(__clang__) 205 206 #if defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \ 207 !defined(__arm__) 208 #define _LIBCPP_ALTERNATE_STRING_LAYOUT 209 #endif 210 211 #if __has_feature(cxx_alignas) 212 # define _ALIGNAS_TYPE(x) alignas(x) 213 # define _ALIGNAS(x) alignas(x) 214 #else 215 # define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 216 # define _ALIGNAS(x) __attribute__((__aligned__(x))) 217 #endif 218 219 #if !__has_feature(cxx_alias_templates) 220 #define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 221 #endif 222 223 #if __cplusplus < 201103L 224 #ifdef __linux__ 225 #define _LIBCPP_HAS_NO_UNICODE_CHARS 226 #else 227 typedef __char16_t char16_t; 228 typedef __char32_t char32_t; 229 #endif 230 #endif 231 232 #if !(__has_feature(cxx_exceptions)) 233 #define _LIBCPP_NO_EXCEPTIONS 234 #endif 235 236 #if !(__has_feature(cxx_rtti)) 237 #define _LIBCPP_NO_RTTI 238 #endif 239 240 #if !(__has_feature(cxx_strong_enums)) 241 #define _LIBCPP_HAS_NO_STRONG_ENUMS 242 #endif 243 244 #if !(__has_feature(cxx_decltype)) 245 #define _LIBCPP_HAS_NO_DECLTYPE 246 #endif 247 248 #if __has_feature(cxx_attributes) 249 # define _LIBCPP_NORETURN [[noreturn]] 250 #else 251 # define _LIBCPP_NORETURN __attribute__ ((noreturn)) 252 #endif 253 254 #if !(__has_feature(cxx_defaulted_functions)) 255 #define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 256 #endif // !(__has_feature(cxx_defaulted_functions)) 257 258 #if !(__has_feature(cxx_deleted_functions)) 259 #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS 260 #endif // !(__has_feature(cxx_deleted_functions)) 261 262 #if !(__has_feature(cxx_lambdas)) 263 #define _LIBCPP_HAS_NO_LAMBDAS 264 #endif 265 266 #if !(__has_feature(cxx_nullptr)) 267 #define _LIBCPP_HAS_NO_NULLPTR 268 #endif 269 270 #if !(__has_feature(cxx_rvalue_references)) 271 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES 272 #endif 273 274 #if !(__has_feature(cxx_static_assert)) 275 #define _LIBCPP_HAS_NO_STATIC_ASSERT 276 #endif 277 278 #if !(__has_feature(cxx_auto_type)) 279 #define _LIBCPP_HAS_NO_AUTO_TYPE 280 #endif 281 282 #if !(__has_feature(cxx_access_control_sfinae)) || !__has_feature(cxx_trailing_return) 283 #define _LIBCPP_HAS_NO_ADVANCED_SFINAE 284 #endif 285 286 #if !(__has_feature(cxx_variadic_templates)) 287 #define _LIBCPP_HAS_NO_VARIADICS 288 #endif 289 290 #if !(__has_feature(cxx_trailing_return)) 291 #define _LIBCPP_HAS_NO_TRAILING_RETURN 292 #endif 293 294 #if !(__has_feature(cxx_generalized_initializers)) 295 #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 296 #endif 297 298 #if __has_feature(is_base_of) 299 # define _LIBCPP_HAS_IS_BASE_OF 300 #endif 301 302 // Objective-C++ features (opt-in) 303 #if __has_feature(objc_arc) 304 #define _LIBCPP_HAS_OBJC_ARC 305 #endif 306 307 #if __has_feature(objc_arc_weak) 308 #define _LIBCPP_HAS_OBJC_ARC_WEAK 309 #define _LIBCPP_HAS_NO_STRONG_ENUMS 310 #endif 311 312 #if !(__has_feature(cxx_constexpr)) 313 #define _LIBCPP_HAS_NO_CONSTEXPR 314 #endif 315 316 #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 317 #if defined(__FreeBSD__) 318 #define _LIBCPP_HAS_QUICK_EXIT 319 #define _LIBCPP_HAS_C11_FEATURES 320 #elif defined(__ANDROID__) 321 #define _LIBCPP_HAS_QUICK_EXIT 322 #elif defined(__linux__) 323 #include <features.h> 324 #if __GLIBC_PREREQ(2, 15) 325 #define _LIBCPP_HAS_QUICK_EXIT 326 #endif 327 #if __GLIBC_PREREQ(2, 17) 328 #define _LIBCPP_HAS_C11_FEATURES 329 #endif 330 #endif 331 #endif 332 333 #if (__has_feature(cxx_noexcept)) 334 # define _NOEXCEPT noexcept 335 # define _NOEXCEPT_(x) noexcept(x) 336 # define _NOEXCEPT_OR_FALSE(x) noexcept(x) 337 #else 338 # define _NOEXCEPT throw() 339 # define _NOEXCEPT_(x) 340 # define _NOEXCEPT_OR_FALSE(x) false 341 #endif 342 343 #if __has_feature(underlying_type) 344 # define _LIBCXX_UNDERLYING_TYPE(T) __underlying_type(T) 345 #endif 346 347 // Inline namespaces are available in Clang regardless of C++ dialect. 348 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { 349 #define _LIBCPP_END_NAMESPACE_STD } } 350 #define _VSTD std::_LIBCPP_NAMESPACE 351 352 namespace std { 353 inline namespace _LIBCPP_NAMESPACE { 354 } 355 } 356 357 #elif defined(__GNUC__) 358 359 #define _ALIGNAS(x) __attribute__((__aligned__(x))) 360 #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 361 362 #define _LIBCPP_NORETURN __attribute__((noreturn)) 363 364 #if !__EXCEPTIONS 365 #define _LIBCPP_NO_EXCEPTIONS 366 #endif 367 368 #define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 369 #define _LIBCPP_HAS_NO_CONSTEXPR 370 371 #define _NOEXCEPT throw() 372 #define _NOEXCEPT_(x) 373 #define _NOEXCEPT_OR_FALSE(x) false 374 375 #ifndef __GXX_EXPERIMENTAL_CXX0X__ 376 377 #define _LIBCPP_HAS_NO_ADVANCED_SFINAE 378 #define _LIBCPP_HAS_NO_DECLTYPE 379 #define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 380 #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS 381 #define _LIBCPP_HAS_NO_NULLPTR 382 #define _LIBCPP_HAS_NO_STATIC_ASSERT 383 #define _LIBCPP_HAS_NO_UNICODE_CHARS 384 #define _LIBCPP_HAS_NO_VARIADICS 385 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES 386 #define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS 387 #define _LIBCPP_HAS_NO_STRONG_ENUMS 388 389 #else // __GXX_EXPERIMENTAL_CXX0X__ 390 391 #define _LIBCPP_HAS_NO_TRAILING_RETURN 392 #define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS 393 394 #if _GNUC_VER < 403 395 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES 396 #endif 397 398 #if _GNUC_VER < 403 399 #define _LIBCPP_HAS_NO_STATIC_ASSERT 400 #endif 401 402 #if _GNUC_VER < 404 403 #define _LIBCPP_HAS_NO_DECLTYPE 404 #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS 405 #define _LIBCPP_HAS_NO_UNICODE_CHARS 406 #define _LIBCPP_HAS_NO_VARIADICS 407 #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 408 #endif // _GNUC_VER < 404 409 410 #if _GNUC_VER < 406 411 #define _LIBCPP_HAS_NO_NULLPTR 412 #endif 413 414 #if _GNUC_VER < 407 415 #define _LIBCPP_HAS_NO_ADVANCED_SFINAE 416 #define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 417 #endif 418 419 #endif // __GXX_EXPERIMENTAL_CXX0X__ 420 421 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE { 422 #define _LIBCPP_END_NAMESPACE_STD } } 423 #define _VSTD std::_LIBCPP_NAMESPACE 424 425 namespace std { 426 namespace _LIBCPP_NAMESPACE { 427 } 428 using namespace _LIBCPP_NAMESPACE __attribute__((__strong__)); 429 } 430 431 #elif defined(_LIBCPP_MSVC) 432 433 #define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 434 #define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER 435 #define _LIBCPP_HAS_NO_CONSTEXPR 436 #define _LIBCPP_HAS_NO_UNICODE_CHARS 437 #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS 438 #define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 439 #define __alignof__ __alignof 440 #define _LIBCPP_NORETURN __declspec(noreturn) 441 #define _ALIGNAS(x) __declspec(align(x)) 442 #define _LIBCPP_HAS_NO_VARIADICS 443 444 #define _NOEXCEPT throw () 445 #define _NOEXCEPT_(x) 446 #define _NOEXCEPT_OR_FALSE(x) false 447 448 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { 449 #define _LIBCPP_END_NAMESPACE_STD } 450 #define _VSTD std 451 452 # define _LIBCPP_WEAK 453 namespace std { 454 } 455 456 #elif defined(__IBMCPP__) 457 458 #define _ALIGNAS(x) __attribute__((__aligned__(x))) 459 #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 460 #define _ATTRIBUTE(x) __attribute__((x)) 461 #define _LIBCPP_NORETURN __attribute__((noreturn)) 462 463 #define _NOEXCEPT throw() 464 #define _NOEXCEPT_(x) 465 #define _NOEXCEPT_OR_FALSE(x) false 466 467 #define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 468 #define _LIBCPP_HAS_NO_ADVANCED_SFINAE 469 #define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS 470 #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 471 #define _LIBCPP_HAS_NO_NULLPTR 472 #define _LIBCPP_HAS_NO_UNICODE_CHARS 473 #define _LIBCPP_HAS_IS_BASE_OF 474 475 #if defined(_AIX) 476 #define __MULTILOCALE_API 477 #endif 478 479 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { 480 #define _LIBCPP_END_NAMESPACE_STD } } 481 #define _VSTD std::_LIBCPP_NAMESPACE 482 483 namespace std { 484 inline namespace _LIBCPP_NAMESPACE { 485 } 486 } 487 488 #endif // __clang__ || __GNUC__ || _MSC_VER || __IBMCPP__ 489 490 #ifdef _LIBCPP_HAS_NO_UNICODE_CHARS 491 typedef unsigned short char16_t; 492 typedef unsigned int char32_t; 493 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS 494 495 #ifndef __SIZEOF_INT128__ 496 #define _LIBCPP_HAS_NO_INT128 497 #endif 498 499 #ifdef _LIBCPP_HAS_NO_STATIC_ASSERT 500 501 template <bool> struct __static_assert_test; 502 template <> struct __static_assert_test<true> {}; 503 template <unsigned> struct __static_assert_check {}; 504 #define static_assert(__b, __m) \ 505 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \ 506 _LIBCPP_CONCAT(__t, __LINE__) 507 508 #endif // _LIBCPP_HAS_NO_STATIC_ASSERT 509 510 #ifdef _LIBCPP_HAS_NO_DECLTYPE 511 #define decltype(x) __typeof__(x) 512 #endif 513 514 #ifdef _LIBCPP_HAS_NO_CONSTEXPR 515 #define _LIBCPP_CONSTEXPR 516 #else 517 #define _LIBCPP_CONSTEXPR constexpr 518 #endif 519 520 #ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 521 #define _LIBCPP_DEFAULT {} 522 #else 523 #define _LIBCPP_DEFAULT = default; 524 #endif 525 526 #ifdef __GNUC__ 527 #define _NOALIAS __attribute__((__malloc__)) 528 #else 529 #define _NOALIAS 530 #endif 531 532 #ifndef __has_feature 533 #define __has_feature(__x) 0 534 #endif 535 536 #if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) 537 # define _LIBCPP_EXPLICIT explicit 538 #else 539 # define _LIBCPP_EXPLICIT 540 #endif 541 542 #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS 543 #define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx 544 #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ 545 __lx __v_; \ 546 _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \ 547 _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ 548 _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \ 549 }; 550 #else // _LIBCPP_HAS_NO_STRONG_ENUMS 551 #define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS x 552 #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) 553 #endif // _LIBCPP_HAS_NO_STRONG_ENUMS 554 555 #ifdef _LIBCPP_DEBUG 556 # if _LIBCPP_DEBUG == 0 557 # define _LIBCPP_DEBUG_LEVEL 1 558 # elif _LIBCPP_DEBUG == 1 559 # define _LIBCPP_DEBUG_LEVEL 2 560 # else 561 # error Supported values for _LIBCPP_DEBUG are 0 and 1 562 # endif 563 # define _LIBCPP_EXTERN_TEMPLATE(...) 564 #endif 565 566 #ifndef _LIBCPP_EXTERN_TEMPLATE 567 #define _LIBCPP_EXTERN_TEMPLATE(...) 568 #endif 569 570 #ifndef _LIBCPP_EXTERN_TEMPLATE2 571 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__; 572 #endif 573 574 #if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__) 575 #define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63) 576 #endif 577 578 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || defined(__sun__) || defined(__NetBSD__) 579 #define _LIBCPP_LOCALE__L_EXTENSIONS 1 580 #endif 581 582 #if defined(__FreeBSD__) 583 #define _DECLARE_C99_LDBL_MATH 1 584 #endif 585 586 #if defined(__APPLE__) || defined(__FreeBSD__) 587 #define _LIBCPP_HAS_DEFAULTRUNELOCALE 588 #endif 589 590 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) 591 #define _LIBCPP_WCTYPE_IS_MASK 592 #endif 593 594 #ifndef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 595 # define _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 1 596 #endif 597 598 #ifndef _LIBCPP_STD_VER 599 # if __cplusplus <= 201103L 600 # define _LIBCPP_STD_VER 11 601 # else 602 # define _LIBCPP_STD_VER 13 // current year, or date of c++14 ratification 603 # endif 604 #endif // _LIBCPP_STD_VER 605 606 #if _LIBCPP_STD_VER > 11 607 #define _LIBCPP_DEPRECATED [[deprecated]] 608 #else 609 #define _LIBCPP_DEPRECATED 610 #endif 611 612 #if _LIBCPP_STD_VER <= 11 613 #define _LIBCPP_CONSTEXPR_AFTER_CXX11 614 #define _LIBCPP_EXPLICIT_AFTER_CXX11 615 #define _LIBCPP_DEPRECATED_AFTER_CXX11 616 #else 617 #define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr 618 #define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit 619 #define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]] 620 #endif 621 622 // Try to find out if RTTI is disabled. 623 // g++ and cl.exe have RTTI on by default and define a macro when it is. 624 // g++ only defines the macro in 4.3.2 and onwards. 625 #if !defined(_LIBCPP_NO_RTTI) 626 # if defined(__GNUG__) && (__GNUC__ >= 4 && \ 627 (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2)) && !defined(__GXX_RTTI) 628 # define _LIBCPP_NO_RTTI 629 # elif (defined(_MSC_VER) && !defined(__clang__)) && !defined(_CPPRTTI) 630 # define _LIBCPP_NO_RTTI 631 # endif 632 #endif 633 634 #ifndef _LIBCPP_WEAK 635 # define _LIBCPP_WEAK __attribute__((__weak__)) 636 #endif 637 638 #endif // _LIBCPP_CONFIG 639
