__config (47833B)
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 // CONFIG_PLACEHOLDER 15 #ifndef _LIBCPP_NO_CONFIG 16 # error Wrong header included 17 #endif 18 // CONFIG_PLACEHOLDER_END 19 20 #ifdef __vita__ 21 #define _LIBCPP_HAS_THREAD_API_PTHREAD 22 #define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION 23 #define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE 24 #endif 25 26 #if defined(_MSC_VER) && !defined(__clang__) 27 # if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 28 # define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER 29 # endif 30 #endif 31 32 #ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER 33 #pragma GCC system_header 34 #endif 35 36 #ifdef __cplusplus 37 38 #ifdef __GNUC__ 39 # define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__) 40 // The _GNUC_VER_NEW macro better represents the new GCC versioning scheme 41 // introduced in GCC 5.0. 42 # define _GNUC_VER_NEW (_GNUC_VER * 10 + __GNUC_PATCHLEVEL__) 43 #else 44 # define _GNUC_VER 0 45 # define _GNUC_VER_NEW 0 46 #endif 47 48 #define _LIBCPP_VERSION 8000 49 50 #ifndef _LIBCPP_ABI_VERSION 51 # define _LIBCPP_ABI_VERSION 1 52 #endif 53 54 #ifndef _LIBCPP_STD_VER 55 # if __cplusplus <= 201103L 56 # define _LIBCPP_STD_VER 11 57 # elif __cplusplus <= 201402L 58 # define _LIBCPP_STD_VER 14 59 # elif __cplusplus <= 201703L 60 # define _LIBCPP_STD_VER 17 61 # else 62 # define _LIBCPP_STD_VER 18 // current year, or date of c++2a ratification 63 # endif 64 #endif // _LIBCPP_STD_VER 65 66 #if defined(__ELF__) 67 # define _LIBCPP_OBJECT_FORMAT_ELF 1 68 #elif defined(__MACH__) 69 # define _LIBCPP_OBJECT_FORMAT_MACHO 1 70 #elif defined(_WIN32) 71 # define _LIBCPP_OBJECT_FORMAT_COFF 1 72 #elif defined(__wasm__) 73 # define _LIBCPP_OBJECT_FORMAT_WASM 1 74 #else 75 # error Unknown object file format 76 #endif 77 78 #if defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2 79 // Change short string representation so that string data starts at offset 0, 80 // improving its alignment in some cases. 81 # define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT 82 // Fix deque iterator type in order to support incomplete types. 83 # define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE 84 // Fix undefined behavior in how std::list stores its linked nodes. 85 # define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB 86 // Fix undefined behavior in how __tree stores its end and parent nodes. 87 # define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB 88 // Fix undefined behavior in how __hash_table stores its pointer types. 89 # define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB 90 # define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB 91 # define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE 92 // Don't use a nullptr_t simulation type in C++03 instead using C++11 nullptr 93 // provided under the alternate keyword __nullptr, which changes the mangling 94 // of nullptr_t. This option is ABI incompatible with GCC in C++03 mode. 95 # define _LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR 96 // Define the `pointer_safety` enum as a C++11 strongly typed enumeration 97 // instead of as a class simulating an enum. If this option is enabled 98 // `pointer_safety` and `get_pointer_safety()` will no longer be available 99 // in C++03. 100 # define _LIBCPP_ABI_POINTER_SAFETY_ENUM_TYPE 101 // Define a key function for `bad_function_call` in the library, to centralize 102 // its vtable and typeinfo to libc++ rather than having all other libraries 103 // using that class define their own copies. 104 # define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION 105 // Enable optimized version of __do_get_(un)signed which avoids redundant copies. 106 # define _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET 107 // Use the smallest possible integer type to represent the index of the variant. 108 // Previously libc++ used "unsigned int" exclusivly. 109 # define _LIBCPP_ABI_VARIANT_INDEX_TYPE_OPTIMIZATION 110 // Unstable attempt to provide a more optimized std::function 111 # define _LIBCPP_ABI_OPTIMIZED_FUNCTION 112 #elif _LIBCPP_ABI_VERSION == 1 113 # if !defined(_LIBCPP_OBJECT_FORMAT_COFF) 114 // Enable compiling copies of now inline methods into the dylib to support 115 // applications compiled against older libraries. This is unnecessary with 116 // COFF dllexport semantics, since dllexport forces a non-inline definition 117 // of inline functions to be emitted anyway. Our own non-inline copy would 118 // conflict with the dllexport-emitted copy, so we disable it. 119 # define _LIBCPP_DEPRECATED_ABI_LEGACY_LIBRARY_DEFINITIONS_FOR_INLINE_FUNCTIONS 120 # endif 121 // Feature macros for disabling pre ABI v1 features. All of these options 122 // are deprecated. 123 # if defined(__FreeBSD__) 124 # define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR 125 # endif 126 #endif 127 128 #ifdef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 129 #error "_LIBCPP_TRIVIAL_PAIR_COPY_CTOR" is no longer supported. \ 130 use _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR instead 131 #endif 132 133 #define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y 134 #define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) 135 136 #ifndef _LIBCPP_ABI_NAMESPACE 137 # define _LIBCPP_ABI_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) 138 #endif 139 140 #if __cplusplus < 201103L 141 #define _LIBCPP_CXX03_LANG 142 #endif 143 144 #ifndef __has_attribute 145 #define __has_attribute(__x) 0 146 #endif 147 148 #ifndef __has_builtin 149 #define __has_builtin(__x) 0 150 #endif 151 152 #ifndef __has_extension 153 #define __has_extension(__x) 0 154 #endif 155 156 #ifndef __has_feature 157 #define __has_feature(__x) 0 158 #endif 159 160 #ifndef __has_cpp_attribute 161 #define __has_cpp_attribute(__x) 0 162 #endif 163 164 // '__is_identifier' returns '0' if '__x' is a reserved identifier provided by 165 // the compiler and '1' otherwise. 166 #ifndef __is_identifier 167 #define __is_identifier(__x) 1 168 #endif 169 170 #ifndef __has_declspec_attribute 171 #define __has_declspec_attribute(__x) 0 172 #endif 173 174 #define __has_keyword(__x) !(__is_identifier(__x)) 175 176 #ifndef __has_include 177 #define __has_include(...) 0 178 #endif 179 180 #if defined(__clang__) 181 # define _LIBCPP_COMPILER_CLANG 182 # ifndef __apple_build_version__ 183 # define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__) 184 # endif 185 #elif defined(__GNUC__) 186 # define _LIBCPP_COMPILER_GCC 187 #elif defined(_MSC_VER) 188 # define _LIBCPP_COMPILER_MSVC 189 #elif defined(__IBMCPP__) 190 # define _LIBCPP_COMPILER_IBM 191 #endif 192 193 #ifndef _LIBCPP_CLANG_VER 194 #define _LIBCPP_CLANG_VER 0 195 #endif 196 197 // FIXME: ABI detection should be done via compiler builtin macros. This 198 // is just a placeholder until Clang implements such macros. For now assume 199 // that Windows compilers pretending to be MSVC++ target the Microsoft ABI, 200 // and allow the user to explicitly specify the ABI to handle cases where this 201 // heuristic falls short. 202 #if defined(_LIBCPP_ABI_FORCE_ITANIUM) && defined(_LIBCPP_ABI_FORCE_MICROSOFT) 203 # error "Only one of _LIBCPP_ABI_FORCE_ITANIUM and _LIBCPP_ABI_FORCE_MICROSOFT can be defined" 204 #elif defined(_LIBCPP_ABI_FORCE_ITANIUM) 205 # define _LIBCPP_ABI_ITANIUM 206 #elif defined(_LIBCPP_ABI_FORCE_MICROSOFT) 207 # define _LIBCPP_ABI_MICROSOFT 208 #else 209 # if defined(_WIN32) && defined(_MSC_VER) 210 # define _LIBCPP_ABI_MICROSOFT 211 # else 212 # define _LIBCPP_ABI_ITANIUM 213 # endif 214 #endif 215 216 // Need to detect which libc we're using if we're on Linux. 217 #if defined(__linux__) 218 # include <features.h> 219 # if defined(__GLIBC_PREREQ) 220 # define _LIBCPP_GLIBC_PREREQ(a, b) __GLIBC_PREREQ(a, b) 221 # else 222 # define _LIBCPP_GLIBC_PREREQ(a, b) 0 223 # endif // defined(__GLIBC_PREREQ) 224 #endif // defined(__linux__) 225 226 #ifdef __LITTLE_ENDIAN__ 227 # if __LITTLE_ENDIAN__ 228 # define _LIBCPP_LITTLE_ENDIAN 229 # endif // __LITTLE_ENDIAN__ 230 #endif // __LITTLE_ENDIAN__ 231 232 #ifdef __BIG_ENDIAN__ 233 # if __BIG_ENDIAN__ 234 # define _LIBCPP_BIG_ENDIAN 235 # endif // __BIG_ENDIAN__ 236 #endif // __BIG_ENDIAN__ 237 238 #ifdef __BYTE_ORDER__ 239 # if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 240 # define _LIBCPP_LITTLE_ENDIAN 241 # elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 242 # define _LIBCPP_BIG_ENDIAN 243 # endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 244 #endif // __BYTE_ORDER__ 245 246 #ifdef __FreeBSD__ 247 # include <sys/endian.h> 248 # if _BYTE_ORDER == _LITTLE_ENDIAN 249 # define _LIBCPP_LITTLE_ENDIAN 250 # else // _BYTE_ORDER == _LITTLE_ENDIAN 251 # define _LIBCPP_BIG_ENDIAN 252 # endif // _BYTE_ORDER == _LITTLE_ENDIAN 253 # ifndef __LONG_LONG_SUPPORTED 254 # define _LIBCPP_HAS_NO_LONG_LONG 255 # endif // __LONG_LONG_SUPPORTED 256 #endif // __FreeBSD__ 257 258 #ifdef __NetBSD__ 259 # include <sys/endian.h> 260 # if _BYTE_ORDER == _LITTLE_ENDIAN 261 # define _LIBCPP_LITTLE_ENDIAN 262 # else // _BYTE_ORDER == _LITTLE_ENDIAN 263 # define _LIBCPP_BIG_ENDIAN 264 # endif // _BYTE_ORDER == _LITTLE_ENDIAN 265 # define _LIBCPP_HAS_QUICK_EXIT 266 #endif // __NetBSD__ 267 268 #if defined(_WIN32) 269 # define _LIBCPP_WIN32API 270 # define _LIBCPP_LITTLE_ENDIAN 271 # define _LIBCPP_SHORT_WCHAR 1 272 // Both MinGW and native MSVC provide a "MSVC"-like enviroment 273 # define _LIBCPP_MSVCRT_LIKE 274 // If mingw not explicitly detected, assume using MS C runtime only if 275 // a MS compatibility version is specified. 276 # if defined(_MSC_VER) && !defined(__MINGW32__) 277 # define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library 278 # endif 279 # if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__)) 280 # define _LIBCPP_HAS_BITSCAN64 281 # endif 282 # define _LIBCPP_HAS_OPEN_WITH_WCHAR 283 # if defined(_LIBCPP_MSVCRT) 284 # define _LIBCPP_HAS_QUICK_EXIT 285 # endif 286 287 // Some CRT APIs are unavailable to store apps 288 # if defined(WINAPI_FAMILY) 289 # include <winapifamily.h> 290 # if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && \ 291 (!defined(WINAPI_PARTITION_SYSTEM) || \ 292 !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_SYSTEM)) 293 # define _LIBCPP_WINDOWS_STORE_APP 294 # endif 295 # endif 296 #endif // defined(_WIN32) 297 298 #ifdef __sun__ 299 # include <sys/isa_defs.h> 300 # ifdef _LITTLE_ENDIAN 301 # define _LIBCPP_LITTLE_ENDIAN 302 # else 303 # define _LIBCPP_BIG_ENDIAN 304 # endif 305 #endif // __sun__ 306 307 #if defined(__CloudABI__) 308 // Certain architectures provide arc4random(). Prefer using 309 // arc4random() over /dev/{u,}random to make it possible to obtain 310 // random data even when using sandboxing mechanisms such as chroots, 311 // Capsicum, etc. 312 # define _LIBCPP_USING_ARC4_RANDOM 313 #elif defined(__Fuchsia__) 314 # define _LIBCPP_USING_GETENTROPY 315 #elif defined(__native_client__) 316 // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access, 317 // including accesses to the special files under /dev. C++11's 318 // std::random_device is instead exposed through a NaCl syscall. 319 # define _LIBCPP_USING_NACL_RANDOM 320 #elif defined(_LIBCPP_WIN32API) 321 # define _LIBCPP_USING_WIN32_RANDOM 322 #else 323 # define _LIBCPP_USING_DEV_RANDOM 324 #endif 325 326 #if !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN) 327 # include <endian.h> 328 # if __BYTE_ORDER == __LITTLE_ENDIAN 329 # define _LIBCPP_LITTLE_ENDIAN 330 # elif __BYTE_ORDER == __BIG_ENDIAN 331 # define _LIBCPP_BIG_ENDIAN 332 # else // __BYTE_ORDER == __BIG_ENDIAN 333 # error unable to determine endian 334 # endif 335 #endif // !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN) 336 337 #if __has_attribute(__no_sanitize__) && !defined(_LIBCPP_COMPILER_GCC) 338 # define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi"))) 339 #else 340 # define _LIBCPP_NO_CFI 341 #endif 342 343 #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 344 # if defined(__FreeBSD__) 345 # define _LIBCPP_HAS_QUICK_EXIT 346 # define _LIBCPP_HAS_C11_FEATURES 347 # elif defined(__Fuchsia__) 348 # define _LIBCPP_HAS_QUICK_EXIT 349 # define _LIBCPP_HAS_TIMESPEC_GET 350 # define _LIBCPP_HAS_C11_FEATURES 351 # elif defined(__linux__) 352 # if !defined(_LIBCPP_HAS_MUSL_LIBC) 353 # if _LIBCPP_GLIBC_PREREQ(2, 15) || defined(__BIONIC__) 354 # define _LIBCPP_HAS_QUICK_EXIT 355 # endif 356 # if _LIBCPP_GLIBC_PREREQ(2, 17) 357 # define _LIBCPP_HAS_C11_FEATURES 358 # define _LIBCPP_HAS_TIMESPEC_GET 359 # endif 360 # else // defined(_LIBCPP_HAS_MUSL_LIBC) 361 # define _LIBCPP_HAS_QUICK_EXIT 362 # define _LIBCPP_HAS_TIMESPEC_GET 363 # define _LIBCPP_HAS_C11_FEATURES 364 # endif 365 # endif // __linux__ 366 #endif 367 368 #ifndef _LIBCPP_CXX03_LANG 369 # define _LIBCPP_ALIGNOF(_Tp) alignof(_Tp) 370 #elif defined(_LIBCPP_COMPILER_CLANG) 371 # define _LIBCPP_ALIGNOF(_Tp) _Alignof(_Tp) 372 #else 373 // This definition is potentially buggy, but it's only taken with GCC in C++03, 374 // which we barely support anyway. See llvm.org/PR39713 375 # define _LIBCPP_ALIGNOF(_Tp) __alignof(_Tp) 376 #endif 377 378 #define _LIBCPP_PREFERRED_ALIGNOF(_Tp) __alignof(_Tp) 379 380 #if defined(_LIBCPP_COMPILER_CLANG) 381 382 // _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for 383 // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility. 384 #if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \ 385 (!defined(__arm__) || __ARM_ARCH_7K__ >= 2)) || \ 386 defined(_LIBCPP_ALTERNATE_STRING_LAYOUT) 387 #define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT 388 #endif 389 390 #if __has_feature(cxx_alignas) 391 # define _ALIGNAS_TYPE(x) alignas(x) 392 # define _ALIGNAS(x) alignas(x) 393 #else 394 # define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x)))) 395 # define _ALIGNAS(x) __attribute__((__aligned__(x))) 396 #endif 397 398 #if __cplusplus < 201103L 399 typedef __char16_t char16_t; 400 typedef __char32_t char32_t; 401 #endif 402 403 #if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS) 404 #define _LIBCPP_NO_EXCEPTIONS 405 #endif 406 407 #if !(__has_feature(cxx_rtti)) && !defined(_LIBCPP_NO_RTTI) 408 #define _LIBCPP_NO_RTTI 409 #endif 410 411 #if !(__has_feature(cxx_strong_enums)) 412 #define _LIBCPP_HAS_NO_STRONG_ENUMS 413 #endif 414 415 #if !(__has_feature(cxx_decltype)) 416 #define _LIBCPP_HAS_NO_DECLTYPE 417 #endif 418 419 #if __has_feature(cxx_attributes) 420 # define _LIBCPP_NORETURN [[noreturn]] 421 #else 422 # define _LIBCPP_NORETURN __attribute__ ((noreturn)) 423 #endif 424 425 #if !(__has_feature(cxx_lambdas)) 426 #define _LIBCPP_HAS_NO_LAMBDAS 427 #endif 428 429 #if !(__has_feature(cxx_nullptr)) 430 # if (__has_extension(cxx_nullptr) || __has_keyword(__nullptr)) && defined(_LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR) 431 # define nullptr __nullptr 432 # else 433 # define _LIBCPP_HAS_NO_NULLPTR 434 # endif 435 #endif 436 437 #if !(__has_feature(cxx_rvalue_references)) 438 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES 439 #endif 440 441 #if !(__has_feature(cxx_auto_type)) 442 #define _LIBCPP_HAS_NO_AUTO_TYPE 443 #endif 444 445 #if !(__has_feature(cxx_variadic_templates)) 446 #define _LIBCPP_HAS_NO_VARIADICS 447 #endif 448 449 #if !(__has_feature(cxx_generalized_initializers)) 450 #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 451 #endif 452 453 #if __has_feature(is_base_of) 454 #define _LIBCPP_HAS_IS_BASE_OF 455 #endif 456 457 #if __has_feature(is_final) 458 #define _LIBCPP_HAS_IS_FINAL 459 #endif 460 461 // Objective-C++ features (opt-in) 462 #if __has_feature(objc_arc) 463 #define _LIBCPP_HAS_OBJC_ARC 464 #endif 465 466 #if __has_feature(objc_arc_weak) 467 #define _LIBCPP_HAS_OBJC_ARC_WEAK 468 #endif 469 470 #if !(__has_feature(cxx_constexpr)) 471 #define _LIBCPP_HAS_NO_CONSTEXPR 472 #endif 473 474 #if !(__has_feature(cxx_relaxed_constexpr)) 475 #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR 476 #endif 477 478 #if !(__has_feature(cxx_variable_templates)) 479 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 480 #endif 481 482 #if !(__has_feature(cxx_noexcept)) 483 #define _LIBCPP_HAS_NO_NOEXCEPT 484 #endif 485 486 #if __has_feature(underlying_type) 487 #define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) 488 #endif 489 490 #if __has_feature(is_literal) 491 #define _LIBCPP_IS_LITERAL(T) __is_literal(T) 492 #endif 493 494 #if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer) 495 #define _LIBCPP_HAS_NO_ASAN 496 #endif 497 498 // Allow for build-time disabling of unsigned integer sanitization 499 #if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize) 500 #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow"))) 501 #endif 502 503 #if __has_builtin(__builtin_launder) 504 #define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER 505 #endif 506 507 #if !__is_identifier(__has_unique_object_representations) 508 #define _LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS 509 #endif 510 511 #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) 512 513 // No apple compilers support ""d and ""y at this time. 514 #if _LIBCPP_CLANG_VER < 800 || defined(__apple_build_version__) 515 #define _LIBCPP_HAS_NO_CXX20_CHRONO_LITERALS 516 #endif 517 518 #elif defined(_LIBCPP_COMPILER_GCC) 519 520 #define _ALIGNAS(x) __attribute__((__aligned__(x))) 521 #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x)))) 522 523 #define _LIBCPP_NORETURN __attribute__((noreturn)) 524 525 #if _GNUC_VER >= 407 526 #define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) 527 #define _LIBCPP_IS_LITERAL(T) __is_literal_type(T) 528 #define _LIBCPP_HAS_IS_FINAL 529 #endif 530 531 #if defined(__GNUC__) && _GNUC_VER >= 403 532 #define _LIBCPP_HAS_IS_BASE_OF 533 #endif 534 535 #if !__EXCEPTIONS && !defined(_LIBCPP_NO_EXCEPTIONS) 536 #define _LIBCPP_NO_EXCEPTIONS 537 #endif 538 539 // constexpr was added to GCC in 4.6. 540 #if _GNUC_VER < 406 541 # define _LIBCPP_HAS_NO_CONSTEXPR 542 // Can only use constexpr in c++11 mode. 543 #elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L 544 # define _LIBCPP_HAS_NO_CONSTEXPR 545 #endif 546 547 // Determine if GCC supports relaxed constexpr 548 #if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L 549 #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR 550 #endif 551 552 // GCC 5 will support variable templates 553 #if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L 554 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 555 #endif 556 557 #ifndef __GXX_EXPERIMENTAL_CXX0X__ 558 559 #define _LIBCPP_HAS_NO_DECLTYPE 560 #define _LIBCPP_HAS_NO_NULLPTR 561 #define _LIBCPP_HAS_NO_UNICODE_CHARS 562 #define _LIBCPP_HAS_NO_VARIADICS 563 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES 564 #define _LIBCPP_HAS_NO_STRONG_ENUMS 565 #define _LIBCPP_HAS_NO_NOEXCEPT 566 567 #else // __GXX_EXPERIMENTAL_CXX0X__ 568 569 #if _GNUC_VER < 403 570 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES 571 #endif 572 573 574 #if _GNUC_VER < 404 575 #define _LIBCPP_HAS_NO_DECLTYPE 576 #define _LIBCPP_HAS_NO_UNICODE_CHARS 577 #define _LIBCPP_HAS_NO_VARIADICS 578 #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 579 #endif // _GNUC_VER < 404 580 581 #if _GNUC_VER < 406 582 #define _LIBCPP_HAS_NO_NOEXCEPT 583 #define _LIBCPP_HAS_NO_NULLPTR 584 #endif 585 586 #endif // __GXX_EXPERIMENTAL_CXX0X__ 587 588 #if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__) 589 #define _LIBCPP_HAS_NO_ASAN 590 #endif 591 592 #if _GNUC_VER >= 700 593 #define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER 594 #endif 595 596 #if _GNUC_VER >= 700 597 #define _LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS 598 #endif 599 600 #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) 601 602 #elif defined(_LIBCPP_COMPILER_MSVC) 603 604 #define _LIBCPP_TOSTRING2(x) #x 605 #define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) 606 #define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x)) 607 608 #if _MSC_VER < 1900 609 #error "MSVC versions prior to Visual Studio 2015 are not supported" 610 #endif 611 612 #define _LIBCPP_HAS_IS_BASE_OF 613 #define _LIBCPP_HAS_NO_CONSTEXPR 614 #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR 615 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 616 #define _LIBCPP_HAS_NO_NOEXCEPT 617 #define __alignof__ __alignof 618 #define _LIBCPP_NORETURN __declspec(noreturn) 619 #define _ALIGNAS(x) __declspec(align(x)) 620 #define _ALIGNAS_TYPE(x) alignas(x) 621 #define _LIBCPP_HAS_NO_VARIADICS 622 623 #define _LIBCPP_WEAK 624 625 #define _LIBCPP_HAS_NO_ASAN 626 627 #define _LIBCPP_ALWAYS_INLINE __forceinline 628 629 #define _LIBCPP_HAS_NO_VECTOR_EXTENSION 630 631 #elif defined(_LIBCPP_COMPILER_IBM) 632 633 #define _ALIGNAS(x) __attribute__((__aligned__(x))) 634 #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x)))) 635 #define _ATTRIBUTE(x) __attribute__((x)) 636 #define _LIBCPP_NORETURN __attribute__((noreturn)) 637 638 #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 639 #define _LIBCPP_HAS_NO_NOEXCEPT 640 #define _LIBCPP_HAS_NO_NULLPTR 641 #define _LIBCPP_HAS_NO_UNICODE_CHARS 642 #define _LIBCPP_HAS_IS_BASE_OF 643 #define _LIBCPP_HAS_IS_FINAL 644 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 645 646 #if defined(_AIX) 647 #define __MULTILOCALE_API 648 #endif 649 650 #define _LIBCPP_HAS_NO_ASAN 651 652 #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) 653 654 #define _LIBCPP_HAS_NO_VECTOR_EXTENSION 655 656 #endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM] 657 658 #if defined(_LIBCPP_OBJECT_FORMAT_COFF) 659 660 #ifdef _DLL 661 # define _LIBCPP_CRT_FUNC __declspec(dllimport) 662 #else 663 # define _LIBCPP_CRT_FUNC 664 #endif 665 666 #if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 667 # define _LIBCPP_DLL_VIS 668 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS 669 # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS 670 # define _LIBCPP_OVERRIDABLE_FUNC_VIS 671 # define _LIBCPP_EXPORTED_FROM_ABI 672 #elif defined(_LIBCPP_BUILDING_LIBRARY) 673 # define _LIBCPP_DLL_VIS __declspec(dllexport) 674 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS 675 # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS 676 # define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS 677 # define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllexport) 678 #else 679 # define _LIBCPP_DLL_VIS __declspec(dllimport) 680 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS 681 # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS 682 # define _LIBCPP_OVERRIDABLE_FUNC_VIS 683 # define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllimport) 684 #endif 685 686 #define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS 687 #define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS 688 #define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS 689 #define _LIBCPP_HIDDEN 690 #define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS 691 #define _LIBCPP_TEMPLATE_VIS 692 #define _LIBCPP_ENUM_VIS 693 694 #endif // defined(_LIBCPP_OBJECT_FORMAT_COFF) 695 696 #ifndef _LIBCPP_HIDDEN 697 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 698 # define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) 699 # else 700 # define _LIBCPP_HIDDEN 701 # endif 702 #endif 703 704 #ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS 705 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 706 // The inline should be removed once PR32114 is resolved 707 # define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN 708 # else 709 # define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS 710 # endif 711 #endif 712 713 #ifndef _LIBCPP_FUNC_VIS 714 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 715 # define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default"))) 716 # else 717 # define _LIBCPP_FUNC_VIS 718 # endif 719 #endif 720 721 #ifndef _LIBCPP_TYPE_VIS 722 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 723 # define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) 724 # else 725 # define _LIBCPP_TYPE_VIS 726 # endif 727 #endif 728 729 #ifndef _LIBCPP_TEMPLATE_VIS 730 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 731 # if __has_attribute(__type_visibility__) 732 # define _LIBCPP_TEMPLATE_VIS __attribute__ ((__type_visibility__("default"))) 733 # else 734 # define _LIBCPP_TEMPLATE_VIS __attribute__ ((__visibility__("default"))) 735 # endif 736 # else 737 # define _LIBCPP_TEMPLATE_VIS 738 # endif 739 #endif 740 741 #ifndef _LIBCPP_EXPORTED_FROM_ABI 742 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 743 # define _LIBCPP_EXPORTED_FROM_ABI __attribute__((__visibility__("default"))) 744 # else 745 # define _LIBCPP_EXPORTED_FROM_ABI 746 # endif 747 #endif 748 749 #ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS 750 #define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS 751 #endif 752 753 #ifndef _LIBCPP_EXCEPTION_ABI 754 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 755 # define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default"))) 756 # else 757 # define _LIBCPP_EXCEPTION_ABI 758 # endif 759 #endif 760 761 #ifndef _LIBCPP_ENUM_VIS 762 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) 763 # define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default"))) 764 # else 765 # define _LIBCPP_ENUM_VIS 766 # endif 767 #endif 768 769 #ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS 770 # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) 771 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__visibility__("default"))) 772 # else 773 # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS 774 # endif 775 #endif 776 777 #ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS 778 #define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS 779 #endif 780 781 #if __has_attribute(internal_linkage) 782 # define _LIBCPP_INTERNAL_LINKAGE __attribute__ ((internal_linkage)) 783 #else 784 # define _LIBCPP_INTERNAL_LINKAGE _LIBCPP_ALWAYS_INLINE 785 #endif 786 787 #if __has_attribute(exclude_from_explicit_instantiation) 788 # define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION __attribute__ ((__exclude_from_explicit_instantiation__)) 789 #else 790 // Try to approximate the effect of exclude_from_explicit_instantiation 791 // (which is that entities are not assumed to be provided by explicit 792 // template instantitations in the dylib) by always inlining those entities. 793 # define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION _LIBCPP_ALWAYS_INLINE 794 #endif 795 796 #ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU 797 # ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU_BY_DEFAULT 798 # define _LIBCPP_HIDE_FROM_ABI_PER_TU 0 799 # else 800 # define _LIBCPP_HIDE_FROM_ABI_PER_TU 1 801 # endif 802 #endif 803 804 #ifndef _LIBCPP_HIDE_FROM_ABI 805 # if _LIBCPP_HIDE_FROM_ABI_PER_TU 806 # define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_INTERNAL_LINKAGE 807 # else 808 # define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION 809 # endif 810 #endif 811 812 #ifdef _LIBCPP_BUILDING_LIBRARY 813 # if _LIBCPP_ABI_VERSION > 1 814 # define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI 815 # else 816 # define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 817 # endif 818 #else 819 # define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI 820 #endif 821 822 // Just so we can migrate to the new macros gradually. 823 #define _LIBCPP_INLINE_VISIBILITY _LIBCPP_HIDE_FROM_ABI 824 825 // Inline namespaces are available in Clang/GCC/MSVC regardless of C++ dialect. 826 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_ABI_NAMESPACE { 827 #define _LIBCPP_END_NAMESPACE_STD } } 828 #define _VSTD std::_LIBCPP_ABI_NAMESPACE 829 _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_END_NAMESPACE_STD 830 831 #if _LIBCPP_STD_VER >= 17 832 #define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \ 833 _LIBCPP_BEGIN_NAMESPACE_STD inline namespace __fs { namespace filesystem { 834 #else 835 #define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \ 836 _LIBCPP_BEGIN_NAMESPACE_STD namespace __fs { namespace filesystem { 837 #endif 838 839 #define _LIBCPP_END_NAMESPACE_FILESYSTEM \ 840 _LIBCPP_END_NAMESPACE_STD } } 841 842 #define _VSTD_FS _VSTD::__fs::filesystem 843 844 #ifndef _LIBCPP_PREFERRED_OVERLOAD 845 # if __has_attribute(__enable_if__) 846 # define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, ""))) 847 # endif 848 #endif 849 850 #ifndef _LIBCPP_HAS_NO_NOEXCEPT 851 # define _NOEXCEPT noexcept 852 # define _NOEXCEPT_(x) noexcept(x) 853 #else 854 # define _NOEXCEPT throw() 855 # define _NOEXCEPT_(x) 856 #endif 857 858 #if defined(_LIBCPP_DEBUG_USE_EXCEPTIONS) 859 # if !defined(_LIBCPP_DEBUG) 860 # error cannot use _LIBCPP_DEBUG_USE_EXCEPTIONS unless _LIBCPP_DEBUG is defined 861 # endif 862 # ifdef _LIBCPP_HAS_NO_NOEXCEPT 863 # define _NOEXCEPT_DEBUG 864 # define _NOEXCEPT_DEBUG_(x) 865 # else 866 # define _NOEXCEPT_DEBUG noexcept(false) 867 # define _NOEXCEPT_DEBUG_(x) noexcept(false) 868 # endif 869 #else 870 # define _NOEXCEPT_DEBUG _NOEXCEPT 871 # define _NOEXCEPT_DEBUG_(x) _NOEXCEPT_(x) 872 #endif 873 874 #ifdef _LIBCPP_HAS_NO_UNICODE_CHARS 875 typedef unsigned short char16_t; 876 typedef unsigned int char32_t; 877 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS 878 879 #ifndef __SIZEOF_INT128__ 880 #define _LIBCPP_HAS_NO_INT128 881 #endif 882 883 #ifdef _LIBCPP_CXX03_LANG 884 # if __has_extension(c_static_assert) 885 # define static_assert(__b, __m) _Static_assert(__b, __m) 886 # else 887 extern "C++" { 888 template <bool> struct __static_assert_test; 889 template <> struct __static_assert_test<true> {}; 890 template <unsigned> struct __static_assert_check {}; 891 } 892 # define static_assert(__b, __m) \ 893 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \ 894 _LIBCPP_CONCAT(__t, __LINE__) 895 # endif // __has_extension(c_static_assert) 896 #endif // _LIBCPP_CXX03_LANG 897 898 #ifdef _LIBCPP_HAS_NO_DECLTYPE 899 // GCC 4.6 provides __decltype in all standard modes. 900 # if __has_keyword(__decltype) || _LIBCPP_CLANG_VER >= 304 || _GNUC_VER >= 406 901 # define decltype(__x) __decltype(__x) 902 # else 903 # define decltype(__x) __typeof__(__x) 904 # endif 905 #endif 906 907 #ifdef _LIBCPP_HAS_NO_CONSTEXPR 908 # define _LIBCPP_CONSTEXPR 909 #else 910 # define _LIBCPP_CONSTEXPR constexpr 911 #endif 912 913 #ifdef _LIBCPP_CXX03_LANG 914 # define _LIBCPP_DEFAULT {} 915 #else 916 # define _LIBCPP_DEFAULT = default; 917 #endif 918 919 #ifdef _LIBCPP_CXX03_LANG 920 # define _LIBCPP_EQUAL_DELETE 921 #else 922 # define _LIBCPP_EQUAL_DELETE = delete 923 #endif 924 925 #ifdef __GNUC__ 926 # define _NOALIAS __attribute__((__malloc__)) 927 #else 928 # define _NOALIAS 929 #endif 930 931 #if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) || \ 932 (!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions 933 # define _LIBCPP_EXPLICIT explicit 934 #else 935 # define _LIBCPP_EXPLICIT 936 #endif 937 938 #if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete) 939 #define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE 940 #endif 941 942 #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS 943 # define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx 944 # define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ 945 __lx __v_; \ 946 _LIBCPP_INLINE_VISIBILITY x(__lx __v) : __v_(__v) {} \ 947 _LIBCPP_INLINE_VISIBILITY explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ 948 _LIBCPP_INLINE_VISIBILITY operator int() const {return __v_;} \ 949 }; 950 #else // _LIBCPP_HAS_NO_STRONG_ENUMS 951 # define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x 952 # define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) 953 #endif // _LIBCPP_HAS_NO_STRONG_ENUMS 954 955 #ifdef _LIBCPP_DEBUG 956 # if _LIBCPP_DEBUG == 0 957 # define _LIBCPP_DEBUG_LEVEL 1 958 # elif _LIBCPP_DEBUG == 1 959 # define _LIBCPP_DEBUG_LEVEL 2 960 # else 961 # error Supported values for _LIBCPP_DEBUG are 0 and 1 962 # endif 963 # if !defined(_LIBCPP_BUILDING_LIBRARY) 964 # define _LIBCPP_EXTERN_TEMPLATE(...) 965 # endif 966 #endif 967 968 #ifdef _LIBCPP_DISABLE_EXTERN_TEMPLATE 969 #define _LIBCPP_EXTERN_TEMPLATE(...) 970 #define _LIBCPP_EXTERN_TEMPLATE2(...) 971 #endif 972 973 #ifndef _LIBCPP_EXTERN_TEMPLATE 974 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__; 975 #endif 976 977 #ifndef _LIBCPP_EXTERN_TEMPLATE2 978 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__; 979 #endif 980 981 #if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__) 982 #define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63) 983 #endif 984 985 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT_LIKE) || \ 986 defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__) 987 #define _LIBCPP_LOCALE__L_EXTENSIONS 1 988 #endif 989 990 #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) 991 // Most unix variants have catopen. These are the specific ones that don't. 992 # if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION) 993 # define _LIBCPP_HAS_CATOPEN 1 994 # endif 995 #endif 996 997 #ifdef __FreeBSD__ 998 #define _DECLARE_C99_LDBL_MATH 1 999 #endif 1000 1001 // If we are getting operator new from the MSVC CRT, then allocation overloads 1002 // for align_val_t were added in 19.12, aka VS 2017 version 15.3. 1003 #if defined(_LIBCPP_MSVCRT) && defined(_MSC_VER) && _MSC_VER < 1912 && !defined(_LIBCPP_NO_VCRUNTIME) 1004 # define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION 1005 # define _LIBCPP_DEFER_NEW_TO_VCRUNTIME 1006 #elif defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_NO_VCRUNTIME) 1007 # define _LIBCPP_DEFER_NEW_TO_VCRUNTIME 1008 # if !defined(__cpp_aligned_new) 1009 // We're defering to Microsoft's STL to provide aligned new et al. We don't 1010 // have it unless the language feature test macro is defined. 1011 # define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION 1012 # endif 1013 #endif 1014 1015 #if defined(__APPLE__) 1016 # if !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \ 1017 defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) 1018 # define __MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ 1019 # endif 1020 #endif // defined(__APPLE__) 1021 1022 #if !defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION) && \ 1023 (defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) || \ 1024 (!defined(__cpp_aligned_new) || __cpp_aligned_new < 201606)) 1025 # define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION 1026 #endif 1027 1028 #if defined(__APPLE__) || defined(__FreeBSD__) 1029 #define _LIBCPP_HAS_DEFAULTRUNELOCALE 1030 #endif 1031 1032 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) 1033 #define _LIBCPP_WCTYPE_IS_MASK 1034 #endif 1035 1036 #if _LIBCPP_STD_VER <= 17 || !defined(__cpp_char8_t) 1037 #define _LIBCPP_NO_HAS_CHAR8_T 1038 #endif 1039 1040 // Deprecation macros. 1041 // Deprecations warnings are only enabled when _LIBCPP_ENABLE_DEPRECATION_WARNINGS is defined. 1042 #if defined(_LIBCPP_ENABLE_DEPRECATION_WARNINGS) 1043 # if __has_attribute(deprecated) 1044 # define _LIBCPP_DEPRECATED __attribute__ ((deprecated)) 1045 # elif _LIBCPP_STD_VER > 11 1046 # define _LIBCPP_DEPRECATED [[deprecated]] 1047 # else 1048 # define _LIBCPP_DEPRECATED 1049 # endif 1050 #else 1051 # define _LIBCPP_DEPRECATED 1052 #endif 1053 1054 #if !defined(_LIBCPP_CXX03_LANG) 1055 # define _LIBCPP_DEPRECATED_IN_CXX11 _LIBCPP_DEPRECATED 1056 #else 1057 # define _LIBCPP_DEPRECATED_IN_CXX11 1058 #endif 1059 1060 #if _LIBCPP_STD_VER >= 14 1061 # define _LIBCPP_DEPRECATED_IN_CXX14 _LIBCPP_DEPRECATED 1062 #else 1063 # define _LIBCPP_DEPRECATED_IN_CXX14 1064 #endif 1065 1066 #if _LIBCPP_STD_VER >= 17 1067 # define _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_DEPRECATED 1068 #else 1069 # define _LIBCPP_DEPRECATED_IN_CXX17 1070 #endif 1071 1072 #if _LIBCPP_STD_VER <= 11 1073 # define _LIBCPP_EXPLICIT_AFTER_CXX11 1074 #else 1075 # define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit 1076 #endif 1077 1078 #if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) 1079 # define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr 1080 #else 1081 # define _LIBCPP_CONSTEXPR_AFTER_CXX11 1082 #endif 1083 1084 #if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) 1085 # define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr 1086 #else 1087 # define _LIBCPP_CONSTEXPR_AFTER_CXX14 1088 #endif 1089 1090 #if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) 1091 # define _LIBCPP_CONSTEXPR_AFTER_CXX17 constexpr 1092 #else 1093 # define _LIBCPP_CONSTEXPR_AFTER_CXX17 1094 #endif 1095 1096 // The _LIBCPP_NODISCARD_ATTRIBUTE should only be used to define other 1097 // NODISCARD macros to the correct attribute. 1098 #if __has_cpp_attribute(nodiscard) || defined(_LIBCPP_COMPILER_MSVC) 1099 # define _LIBCPP_NODISCARD_ATTRIBUTE [[nodiscard]] 1100 #elif defined(_LIBCPP_COMPILER_CLANG) && !defined(_LIBCPP_CXX03_LANG) 1101 # define _LIBCPP_NODISCARD_ATTRIBUTE [[clang::warn_unused_result]] 1102 #else 1103 // We can't use GCC's [[gnu::warn_unused_result]] and 1104 // __attribute__((warn_unused_result)), because GCC does not silence them via 1105 // (void) cast. 1106 # define _LIBCPP_NODISCARD_ATTRIBUTE 1107 #endif 1108 1109 // _LIBCPP_NODISCARD_EXT may be used to apply [[nodiscard]] to entities not 1110 // specified as such as an extension. 1111 #if defined(_LIBCPP_ENABLE_NODISCARD) && !defined(_LIBCPP_DISABLE_NODISCARD_EXT) 1112 # define _LIBCPP_NODISCARD_EXT _LIBCPP_NODISCARD_ATTRIBUTE 1113 #else 1114 # define _LIBCPP_NODISCARD_EXT 1115 #endif 1116 1117 #if !defined(_LIBCPP_DISABLE_NODISCARD_AFTER_CXX17) && \ 1118 (_LIBCPP_STD_VER > 17 || defined(_LIBCPP_ENABLE_NODISCARD)) 1119 # define _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_NODISCARD_ATTRIBUTE 1120 #else 1121 # define _LIBCPP_NODISCARD_AFTER_CXX17 1122 #endif 1123 1124 #if _LIBCPP_STD_VER > 14 && defined(__cpp_inline_variables) && (__cpp_inline_variables >= 201606L) 1125 # define _LIBCPP_INLINE_VAR inline 1126 #else 1127 # define _LIBCPP_INLINE_VAR 1128 #endif 1129 1130 #ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES 1131 # define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x) 1132 #else 1133 # define _LIBCPP_EXPLICIT_MOVE(x) (x) 1134 #endif 1135 1136 #ifndef _LIBCPP_CONSTEXPR_IF_NODEBUG 1137 #if defined(_LIBCPP_DEBUG) || defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) 1138 #define _LIBCPP_CONSTEXPR_IF_NODEBUG 1139 #else 1140 #define _LIBCPP_CONSTEXPR_IF_NODEBUG constexpr 1141 #endif 1142 #endif 1143 1144 #ifndef _LIBCPP_HAS_NO_ASAN 1145 _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( 1146 const void *, const void *, const void *, const void *); 1147 #endif 1148 1149 // Try to find out if RTTI is disabled. 1150 // g++ and cl.exe have RTTI on by default and define a macro when it is. 1151 // g++ only defines the macro in 4.3.2 and onwards. 1152 #if !defined(_LIBCPP_NO_RTTI) 1153 # if defined(__GNUC__) && \ 1154 ((__GNUC__ >= 5) || \ 1155 (__GNUC__ == 4 && (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && \ 1156 !defined(__GXX_RTTI) 1157 # define _LIBCPP_NO_RTTI 1158 # elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI) 1159 # define _LIBCPP_NO_RTTI 1160 # endif 1161 #endif 1162 1163 #ifndef _LIBCPP_WEAK 1164 #define _LIBCPP_WEAK __attribute__((__weak__)) 1165 #endif 1166 1167 // Thread API 1168 #if !defined(_LIBCPP_HAS_NO_THREADS) && \ 1169 !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \ 1170 !defined(_LIBCPP_HAS_THREAD_API_WIN32) && \ 1171 !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) 1172 # if defined(__FreeBSD__) || \ 1173 defined(__Fuchsia__) || \ 1174 defined(__NetBSD__) || \ 1175 defined(__linux__) || \ 1176 defined(__GNU__) || \ 1177 defined(__APPLE__) || \ 1178 defined(__CloudABI__) || \ 1179 defined(__sun__) || \ 1180 (defined(__MINGW32__) && __has_include(<pthread.h>)) 1181 # define _LIBCPP_HAS_THREAD_API_PTHREAD 1182 # elif defined(_LIBCPP_WIN32API) 1183 # define _LIBCPP_HAS_THREAD_API_WIN32 1184 # else 1185 # error "No thread API" 1186 # endif // _LIBCPP_HAS_THREAD_API 1187 #endif // _LIBCPP_HAS_NO_THREADS 1188 1189 #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD) 1190 #error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \ 1191 _LIBCPP_HAS_NO_THREADS is not defined. 1192 #endif 1193 1194 #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) 1195 #error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \ 1196 _LIBCPP_HAS_NO_THREADS is defined. 1197 #endif 1198 1199 #if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS) 1200 #error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \ 1201 _LIBCPP_HAS_NO_THREADS is defined. 1202 #endif 1203 1204 // Systems that use capability-based security (FreeBSD with Capsicum, 1205 // Nuxi CloudABI) may only provide local filesystem access (using *at()). 1206 // Functions like open(), rename(), unlink() and stat() should not be 1207 // used, as they attempt to access the global filesystem namespace. 1208 #ifdef __CloudABI__ 1209 #define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1210 #endif 1211 1212 // CloudABI is intended for running networked services. Processes do not 1213 // have standard input and output channels. 1214 #ifdef __CloudABI__ 1215 #define _LIBCPP_HAS_NO_STDIN 1216 #define _LIBCPP_HAS_NO_STDOUT 1217 #endif 1218 1219 #if defined(__BIONIC__) || defined(__CloudABI__) || \ 1220 defined(__Fuchsia__) || defined(_LIBCPP_HAS_MUSL_LIBC) 1221 #define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE 1222 #endif 1223 1224 // Thread-unsafe functions such as strtok() and localtime() 1225 // are not available. 1226 #ifdef __CloudABI__ 1227 #define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS 1228 #endif 1229 1230 #if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic) 1231 # define _LIBCPP_HAS_C_ATOMIC_IMP 1232 #elif _GNUC_VER > 407 1233 # define _LIBCPP_HAS_GCC_ATOMIC_IMP 1234 #endif 1235 1236 #if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \ 1237 || defined(_LIBCPP_HAS_NO_THREADS) 1238 #define _LIBCPP_HAS_NO_ATOMIC_HEADER 1239 #endif 1240 1241 #ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK 1242 #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK 1243 #endif 1244 1245 #if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS) 1246 # if defined(__clang__) && __has_attribute(acquire_capability) 1247 // Work around the attribute handling in clang. When both __declspec and 1248 // __attribute__ are present, the processing goes awry preventing the definition 1249 // of the types. 1250 # if !defined(_LIBCPP_OBJECT_FORMAT_COFF) 1251 # define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS 1252 # endif 1253 # endif 1254 #endif 1255 1256 #if __has_attribute(require_constant_initialization) 1257 # define _LIBCPP_SAFE_STATIC __attribute__((__require_constant_initialization__)) 1258 #else 1259 # define _LIBCPP_SAFE_STATIC 1260 #endif 1261 1262 #if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700 1263 #define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF 1264 #endif 1265 1266 #if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS) 1267 # if defined(_LIBCPP_MSVCRT) || defined(_NEWLIB_VERSION) 1268 # define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS 1269 # endif 1270 #endif 1271 1272 #if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS) 1273 # define _LIBCPP_DIAGNOSE_WARNING(...) \ 1274 __attribute__((diagnose_if(__VA_ARGS__, "warning"))) 1275 # define _LIBCPP_DIAGNOSE_ERROR(...) \ 1276 __attribute__((diagnose_if(__VA_ARGS__, "error"))) 1277 #else 1278 # define _LIBCPP_DIAGNOSE_WARNING(...) 1279 # define _LIBCPP_DIAGNOSE_ERROR(...) 1280 #endif 1281 1282 // Use a function like macro to imply that it must be followed by a semicolon 1283 #if __cplusplus > 201402L && __has_cpp_attribute(fallthrough) 1284 # define _LIBCPP_FALLTHROUGH() [[fallthrough]] 1285 #elif __has_cpp_attribute(clang::fallthrough) 1286 # define _LIBCPP_FALLTHROUGH() [[clang::fallthrough]] 1287 #elif __has_attribute(fallthough) || _GNUC_VER >= 700 1288 # define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__)) 1289 #else 1290 # define _LIBCPP_FALLTHROUGH() ((void)0) 1291 #endif 1292 1293 #if defined(_LIBCPP_ABI_MICROSOFT) && \ 1294 (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases)) 1295 # define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases) 1296 #else 1297 # define _LIBCPP_DECLSPEC_EMPTY_BASES 1298 #endif 1299 1300 #if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES) 1301 #define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR 1302 #define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS 1303 #define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE 1304 #define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS 1305 #endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES 1306 1307 #if !defined(__cpp_deduction_guides) || __cpp_deduction_guides < 201611 1308 #define _LIBCPP_HAS_NO_DEDUCTION_GUIDES 1309 #endif 1310 1311 #if !__has_keyword(__is_aggregate) && (_GNUC_VER_NEW < 7001) 1312 #define _LIBCPP_HAS_NO_IS_AGGREGATE 1313 #endif 1314 1315 #if !defined(__cpp_coroutines) || __cpp_coroutines < 201703L 1316 #define _LIBCPP_HAS_NO_COROUTINES 1317 #endif 1318 1319 // FIXME: Correct this macro when either (A) a feature test macro for the 1320 // spaceship operator is provided, or (B) a compiler provides a complete 1321 // implementation. 1322 #define _LIBCPP_HAS_NO_SPACESHIP_OPERATOR 1323 1324 // Decide whether to use availability macros. 1325 #if !defined(_LIBCPP_BUILDING_LIBRARY) && \ 1326 !defined(_LIBCPP_DISABLE_AVAILABILITY) && \ 1327 __has_feature(attribute_availability_with_strict) && \ 1328 __has_feature(attribute_availability_in_templates) 1329 # ifdef __APPLE__ 1330 # define _LIBCPP_USE_AVAILABILITY_APPLE 1331 # endif 1332 #endif 1333 1334 // Define availability macros. 1335 #if defined(_LIBCPP_USE_AVAILABILITY_APPLE) 1336 # define _LIBCPP_AVAILABILITY_SHARED_MUTEX \ 1337 __attribute__((availability(macosx,strict,introduced=10.12))) \ 1338 __attribute__((availability(ios,strict,introduced=10.0))) \ 1339 __attribute__((availability(tvos,strict,introduced=10.0))) \ 1340 __attribute__((availability(watchos,strict,introduced=3.0))) 1341 # define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS \ 1342 __attribute__((availability(macosx,strict,introduced=10.14))) \ 1343 __attribute__((availability(ios,strict,introduced=12.0))) \ 1344 __attribute__((availability(tvos,strict,introduced=12.0))) \ 1345 __attribute__((availability(watchos,strict,introduced=5.0))) 1346 # define _LIBCPP_AVAILABILITY_BAD_VARIANT_ACCESS \ 1347 _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS 1348 # define _LIBCPP_AVAILABILITY_BAD_ANY_CAST \ 1349 _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS 1350 # define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS \ 1351 __attribute__((availability(macosx,strict,introduced=10.12))) \ 1352 __attribute__((availability(ios,strict,introduced=10.0))) \ 1353 __attribute__((availability(tvos,strict,introduced=10.0))) \ 1354 __attribute__((availability(watchos,strict,introduced=3.0))) 1355 # define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE \ 1356 __attribute__((availability(macosx,strict,introduced=10.12))) \ 1357 __attribute__((availability(ios,strict,introduced=10.0))) \ 1358 __attribute__((availability(tvos,strict,introduced=10.0))) \ 1359 __attribute__((availability(watchos,strict,introduced=3.0))) 1360 # define _LIBCPP_AVAILABILITY_FUTURE_ERROR \ 1361 __attribute__((availability(ios,strict,introduced=6.0))) 1362 # define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE \ 1363 __attribute__((availability(macosx,strict,introduced=10.9))) \ 1364 __attribute__((availability(ios,strict,introduced=7.0))) 1365 # define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY \ 1366 __attribute__((availability(macosx,strict,introduced=10.9))) \ 1367 __attribute__((availability(ios,strict,introduced=7.0))) 1368 # define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR \ 1369 __attribute__((availability(macosx,strict,introduced=10.9))) \ 1370 __attribute__((availability(ios,strict,introduced=7.0))) 1371 #else 1372 # define _LIBCPP_AVAILABILITY_SHARED_MUTEX 1373 # define _LIBCPP_AVAILABILITY_BAD_VARIANT_ACCESS 1374 # define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS 1375 # define _LIBCPP_AVAILABILITY_BAD_ANY_CAST 1376 # define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS 1377 # define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE 1378 # define _LIBCPP_AVAILABILITY_FUTURE_ERROR 1379 # define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE 1380 # define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY 1381 # define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR 1382 #endif 1383 1384 // Define availability that depends on _LIBCPP_NO_EXCEPTIONS. 1385 #ifdef _LIBCPP_NO_EXCEPTIONS 1386 # define _LIBCPP_AVAILABILITY_FUTURE 1387 # define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST 1388 # define _LIBCPP_AVAILABILITY_THROW_BAD_OPTIONAL_ACCESS 1389 # define _LIBCPP_AVAILABILITY_THROW_BAD_VARIANT_ACCESS 1390 #else 1391 # define _LIBCPP_AVAILABILITY_FUTURE _LIBCPP_AVAILABILITY_FUTURE_ERROR 1392 # define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST _LIBCPP_AVAILABILITY_BAD_ANY_CAST 1393 # define _LIBCPP_AVAILABILITY_THROW_BAD_OPTIONAL_ACCESS _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS 1394 # define _LIBCPP_AVAILABILITY_THROW_BAD_VARIANT_ACCESS _LIBCPP_AVAILABILITY_BAD_VARIANT_ACCESS 1395 #endif 1396 1397 // The stream API was dropped and re-added in the dylib shipped on macOS 1398 // and iOS. We can only assume the dylib to provide these definitions for 1399 // macosx >= 10.9 and ios >= 7.0. Otherwise, the definitions are available 1400 // from the headers, but not from the dylib. Explicit instantiation 1401 // declarations for streams exist conditionally to this; if we provide 1402 // an explicit instantiation declaration and we try to deploy to a dylib 1403 // that does not provide those symbols, we'll get a load-time error. 1404 #if !defined(_LIBCPP_BUILDING_LIBRARY) && \ 1405 ((defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ 1406 __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1090) || \ 1407 (defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) && \ 1408 __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ < 70000)) 1409 # define _LIBCPP_DO_NOT_ASSUME_STREAMS_EXPLICIT_INSTANTIATION_IN_DYLIB 1410 #endif 1411 1412 #if defined(_LIBCPP_COMPILER_IBM) 1413 #define _LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO 1414 #endif 1415 1416 #if defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO) 1417 # define _LIBCPP_PUSH_MACROS 1418 # define _LIBCPP_POP_MACROS 1419 #else 1420 // Don't warn about macro conflicts when we can restore them at the 1421 // end of the header. 1422 # ifndef _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS 1423 # define _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS 1424 # endif 1425 # if defined(_LIBCPP_COMPILER_MSVC) 1426 # define _LIBCPP_PUSH_MACROS \ 1427 __pragma(push_macro("min")) \ 1428 __pragma(push_macro("max")) 1429 # define _LIBCPP_POP_MACROS \ 1430 __pragma(pop_macro("min")) \ 1431 __pragma(pop_macro("max")) 1432 # else 1433 # define _LIBCPP_PUSH_MACROS \ 1434 _Pragma("push_macro(\"min\")") \ 1435 _Pragma("push_macro(\"max\")") 1436 # define _LIBCPP_POP_MACROS \ 1437 _Pragma("pop_macro(\"min\")") \ 1438 _Pragma("pop_macro(\"max\")") 1439 # endif 1440 #endif // defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO) 1441 1442 #ifndef _LIBCPP_NO_AUTO_LINK 1443 # if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY) 1444 # if defined(_DLL) 1445 # pragma comment(lib, "c++.lib") 1446 # else 1447 # pragma comment(lib, "libc++.lib") 1448 # endif 1449 # endif // defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY) 1450 #endif // _LIBCPP_NO_AUTO_LINK 1451 1452 #define _LIBCPP_UNUSED_VAR(x) ((void)(x)) 1453 1454 #endif // __cplusplus 1455 1456 #endif // _LIBCPP_CONFIG