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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER 17#endif 18#endif 19 20#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER 21#pragma GCC system_header 22#endif 23 24#ifdef __cplusplus 25 26#ifdef __GNUC__ 27#define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__) 28#else 29#define _GNUC_VER 0 30#endif 31 32#define _LIBCPP_VERSION 5000 33 34#ifndef _LIBCPP_ABI_VERSION 35#define _LIBCPP_ABI_VERSION 1 36#endif 37 38#if defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2 39// Change short string representation so that string data starts at offset 0, 40// improving its alignment in some cases. 41#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT 42// Fix deque iterator type in order to support incomplete types. 43#define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE 44// Fix undefined behavior in how std::list stores it's linked nodes. 45#define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB 46// Fix undefined behavior in how __tree stores its end and parent nodes. 47#define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB 48// Fix undefined behavior in how __hash_table stores it's pointer types 49#define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB 50#define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB 51#define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE 52#define _LIBCPP_ABI_VARIADIC_LOCK_GUARD 53// Don't use a nullptr_t simulation type in C++03 instead using C++11 nullptr 54// provided under the alternate keyword __nullptr, which changes the mangling 55// of nullptr_t. This option is ABI incompatible with GCC in C++03 mode. 56#define _LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR 57// Define the `pointer_safety` enum as a C++11 strongly typed enumeration 58// instead of as a class simulating an enum. If this option is enabled 59// `pointer_safety` and `get_pointer_safety()` will no longer be available 60// in C++03. 61#define _LIBCPP_ABI_POINTER_SAFETY_ENUM_TYPE 62#elif _LIBCPP_ABI_VERSION == 1 63#if !defined(_WIN32) 64// Enable compiling copies of now inline methods into the dylib to support 65// applications compiled against older libraries. 66#define _LIBCPP_DEPRECATED_ABI_LEGACY_LIBRARY_DEFINITIONS_FOR_INLINE_FUNCTIONS 67#endif 68// Feature macros for disabling pre ABI v1 features. All of these options 69// are deprecated. 70#if defined(__FreeBSD__) 71#define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR 72#endif 73#endif 74 75#ifdef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 76#error "_LIBCPP_TRIVIAL_PAIR_COPY_CTOR" is no longer supported. \ 77 use _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR instead 78#endif 79 80#define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y 81#define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) 82 83#define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) 84 85#if __cplusplus < 201103L 86#define _LIBCPP_CXX03_LANG 87#endif 88 89#ifndef __has_attribute 90#define __has_attribute(__x) 0 91#endif 92#ifndef __has_builtin 93#define __has_builtin(__x) 0 94#endif 95#ifndef __has_extension 96#define __has_extension(__x) 0 97#endif 98#ifndef __has_feature 99#define __has_feature(__x) 0 100#endif 101// '__is_identifier' returns '0' if '__x' is a reserved identifier provided by 102// the compiler and '1' otherwise. 103#ifndef __is_identifier 104#define __is_identifier(__x) 1 105#endif 106#ifndef __has_declspec_attribute 107#define __has_declspec_attribute(__x) 0 108#endif 109 110#define __has_keyword(__x) !(__is_identifier(__x)) 111 112#if defined(__clang__) 113#define _LIBCPP_COMPILER_CLANG 114# ifndef __apple_build_version__ 115# define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__) 116# endif 117#elif defined(__GNUC__) 118#define _LIBCPP_COMPILER_GCC 119#elif defined(_MSC_VER) 120#define _LIBCPP_COMPILER_MSVC 121#elif defined(__IBMCPP__) 122#define _LIBCPP_COMPILER_IBM 123#endif 124 125#ifndef _LIBCPP_CLANG_VER 126#define _LIBCPP_CLANG_VER 0 127#endif 128 129// FIXME: ABI detection should be done via compiler builtin macros. This 130// is just a placeholder until Clang implements such macros. For now assume 131// that Windows compilers pretending to be MSVC++ target the microsoft ABI. 132#if defined(_WIN32) && defined(_MSC_VER) 133# define _LIBCPP_ABI_MICROSOFT 134#else 135# define _LIBCPP_ABI_ITANIUM 136#endif 137 138// Need to detect which libc we're using if we're on Linux. 139#if defined(__linux__) 140#include <features.h> 141#if !defined(__GLIBC_PREREQ) 142#define __GLIBC_PREREQ(a, b) 0 143#endif // !defined(__GLIBC_PREREQ) 144#endif // defined(__linux__) 145 146#ifdef __LITTLE_ENDIAN__ 147#if __LITTLE_ENDIAN__ 148#define _LIBCPP_LITTLE_ENDIAN 1 149#define _LIBCPP_BIG_ENDIAN 0 150#endif // __LITTLE_ENDIAN__ 151#endif // __LITTLE_ENDIAN__ 152 153#ifdef __BIG_ENDIAN__ 154#if __BIG_ENDIAN__ 155#define _LIBCPP_LITTLE_ENDIAN 0 156#define _LIBCPP_BIG_ENDIAN 1 157#endif // __BIG_ENDIAN__ 158#endif // __BIG_ENDIAN__ 159 160#ifdef __BYTE_ORDER__ 161#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 162#define _LIBCPP_LITTLE_ENDIAN 1 163#define _LIBCPP_BIG_ENDIAN 0 164#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 165#define _LIBCPP_LITTLE_ENDIAN 0 166#define _LIBCPP_BIG_ENDIAN 1 167#endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 168#endif // __BYTE_ORDER__ 169 170#ifdef __FreeBSD__ 171# include <sys/endian.h> 172# if _BYTE_ORDER == _LITTLE_ENDIAN 173# define _LIBCPP_LITTLE_ENDIAN 1 174# define _LIBCPP_BIG_ENDIAN 0 175# else // _BYTE_ORDER == _LITTLE_ENDIAN 176# define _LIBCPP_LITTLE_ENDIAN 0 177# define _LIBCPP_BIG_ENDIAN 1 178# endif // _BYTE_ORDER == _LITTLE_ENDIAN 179# ifndef __LONG_LONG_SUPPORTED 180# define _LIBCPP_HAS_NO_LONG_LONG 181# endif // __LONG_LONG_SUPPORTED 182#endif // __FreeBSD__ 183 184#ifdef __NetBSD__ 185# include <sys/endian.h> 186# if _BYTE_ORDER == _LITTLE_ENDIAN 187# define _LIBCPP_LITTLE_ENDIAN 1 188# define _LIBCPP_BIG_ENDIAN 0 189# else // _BYTE_ORDER == _LITTLE_ENDIAN 190# define _LIBCPP_LITTLE_ENDIAN 0 191# define _LIBCPP_BIG_ENDIAN 1 192# endif // _BYTE_ORDER == _LITTLE_ENDIAN 193# define _LIBCPP_HAS_QUICK_EXIT 194#endif // __NetBSD__ 195 196#if defined(_WIN32) 197# define _LIBCPP_WIN32API 1 198# define _LIBCPP_LITTLE_ENDIAN 1 199# define _LIBCPP_BIG_ENDIAN 0 200# define _LIBCPP_SHORT_WCHAR 1 201// If mingw not explicitly detected, assume using MS C runtime only. 202# ifndef __MINGW32__ 203# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library 204# endif 205# if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__)) 206# define _LIBCPP_HAS_BITSCAN64 207# endif 208# if defined(_LIBCPP_MSVCRT) 209# define _LIBCPP_HAS_QUICK_EXIT 210# endif 211#endif // defined(_WIN32) 212 213#ifdef __sun__ 214# include <sys/isa_defs.h> 215# ifdef _LITTLE_ENDIAN 216# define _LIBCPP_LITTLE_ENDIAN 1 217# define _LIBCPP_BIG_ENDIAN 0 218# else 219# define _LIBCPP_LITTLE_ENDIAN 0 220# define _LIBCPP_BIG_ENDIAN 1 221# endif 222#endif // __sun__ 223 224#if defined(__CloudABI__) 225 // Certain architectures provide arc4random(). Prefer using 226 // arc4random() over /dev/{u,}random to make it possible to obtain 227 // random data even when using sandboxing mechanisms such as chroots, 228 // Capsicum, etc. 229# define _LIBCPP_USING_ARC4_RANDOM 230#elif defined(__native_client__) 231 // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access, 232 // including accesses to the special files under /dev. C++11's 233 // std::random_device is instead exposed through a NaCl syscall. 234# define _LIBCPP_USING_NACL_RANDOM 235#elif defined(_LIBCPP_WIN32API) 236# define _LIBCPP_USING_WIN32_RANDOM 237#else 238# define _LIBCPP_USING_DEV_RANDOM 239#endif 240 241#if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) 242# include <endian.h> 243# if __BYTE_ORDER == __LITTLE_ENDIAN 244# define _LIBCPP_LITTLE_ENDIAN 1 245# define _LIBCPP_BIG_ENDIAN 0 246# elif __BYTE_ORDER == __BIG_ENDIAN 247# define _LIBCPP_LITTLE_ENDIAN 0 248# define _LIBCPP_BIG_ENDIAN 1 249# else // __BYTE_ORDER == __BIG_ENDIAN 250# error unable to determine endian 251# endif 252#endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) 253 254#if __has_attribute(__no_sanitize__) 255#define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi"))) 256#else 257#define _LIBCPP_NO_CFI 258#endif 259 260#if defined(_LIBCPP_COMPILER_CLANG) 261 262// _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for 263// _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility. 264#if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \ 265 !defined(__arm__)) || \ 266 defined(_LIBCPP_ALTERNATE_STRING_LAYOUT) 267#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT 268#endif 269 270#if __has_feature(cxx_alignas) 271# define _ALIGNAS_TYPE(x) alignas(x) 272# define _ALIGNAS(x) alignas(x) 273#else 274# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 275# define _ALIGNAS(x) __attribute__((__aligned__(x))) 276#endif 277 278#if __cplusplus < 201103L 279typedef __char16_t char16_t; 280typedef __char32_t char32_t; 281#endif 282 283#if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS) 284#define _LIBCPP_NO_EXCEPTIONS 285#endif 286 287#if !(__has_feature(cxx_rtti)) 288#define _LIBCPP_NO_RTTI 289#endif 290 291#if !(__has_feature(cxx_strong_enums)) 292#define _LIBCPP_HAS_NO_STRONG_ENUMS 293#endif 294 295#if !(__has_feature(cxx_decltype)) 296#define _LIBCPP_HAS_NO_DECLTYPE 297#endif 298 299#if __has_feature(cxx_attributes) 300# define _LIBCPP_NORETURN [[noreturn]] 301#else 302# define _LIBCPP_NORETURN __attribute__ ((noreturn)) 303#endif 304 305#if !(__has_feature(cxx_lambdas)) 306#define _LIBCPP_HAS_NO_LAMBDAS 307#endif 308 309#if !(__has_feature(cxx_nullptr)) 310# if (__has_extension(cxx_nullptr) || __has_keyword(__nullptr)) && defined(_LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR) 311# define nullptr __nullptr 312# else 313# define _LIBCPP_HAS_NO_NULLPTR 314# endif 315#endif 316 317#if !(__has_feature(cxx_rvalue_references)) 318#define _LIBCPP_HAS_NO_RVALUE_REFERENCES 319#endif 320 321#if !(__has_feature(cxx_auto_type)) 322#define _LIBCPP_HAS_NO_AUTO_TYPE 323#endif 324 325#if !(__has_feature(cxx_variadic_templates)) 326#define _LIBCPP_HAS_NO_VARIADICS 327#endif 328 329#if !(__has_feature(cxx_generalized_initializers)) 330#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 331#endif 332 333#if __has_feature(is_base_of) 334# define _LIBCPP_HAS_IS_BASE_OF 335#endif 336 337#if __has_feature(is_final) 338# define _LIBCPP_HAS_IS_FINAL 339#endif 340 341// Objective-C++ features (opt-in) 342#if __has_feature(objc_arc) 343#define _LIBCPP_HAS_OBJC_ARC 344#endif 345 346#if __has_feature(objc_arc_weak) 347#define _LIBCPP_HAS_OBJC_ARC_WEAK 348#define _LIBCPP_HAS_NO_STRONG_ENUMS 349#endif 350 351#if !(__has_feature(cxx_constexpr)) 352#define _LIBCPP_HAS_NO_CONSTEXPR 353#endif 354 355#if !(__has_feature(cxx_relaxed_constexpr)) 356#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR 357#endif 358 359#if !(__has_feature(cxx_variable_templates)) 360#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 361#endif 362 363#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 364#if defined(__FreeBSD__) 365#define _LIBCPP_HAS_QUICK_EXIT 366#define _LIBCPP_HAS_C11_FEATURES 367#elif defined(__Fuchsia__) 368#define _LIBCPP_HAS_QUICK_EXIT 369#define _LIBCPP_HAS_C11_FEATURES 370#elif defined(__linux__) 371#if !defined(_LIBCPP_HAS_MUSL_LIBC) 372#if __GLIBC_PREREQ(2, 15) || defined(__BIONIC__) 373#define _LIBCPP_HAS_QUICK_EXIT 374#endif 375#if __GLIBC_PREREQ(2, 17) 376#define _LIBCPP_HAS_C11_FEATURES 377#endif 378#else // defined(_LIBCPP_HAS_MUSL_LIBC) 379#define _LIBCPP_HAS_QUICK_EXIT 380#define _LIBCPP_HAS_C11_FEATURES 381#endif 382#endif // __linux__ 383#endif 384 385#if !(__has_feature(cxx_noexcept)) 386#define _LIBCPP_HAS_NO_NOEXCEPT 387#endif 388 389#if __has_feature(underlying_type) 390# define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) 391#endif 392 393#if __has_feature(is_literal) 394# define _LIBCPP_IS_LITERAL(T) __is_literal(T) 395#endif 396 397// Inline namespaces are available in Clang regardless of C++ dialect. 398#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { 399#define _LIBCPP_END_NAMESPACE_STD } } 400#define _VSTD std::_LIBCPP_NAMESPACE 401 402namespace std { 403 inline namespace _LIBCPP_NAMESPACE { 404 } 405} 406 407#if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer) 408#define _LIBCPP_HAS_NO_ASAN 409#endif 410 411// Allow for build-time disabling of unsigned integer sanitization 412#if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize) 413#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow"))) 414#endif 415 416#elif defined(_LIBCPP_COMPILER_GCC) 417 418#define _ALIGNAS(x) __attribute__((__aligned__(x))) 419#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 420 421#define _LIBCPP_NORETURN __attribute__((noreturn)) 422 423#if _GNUC_VER >= 407 424#define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) 425#define _LIBCPP_IS_LITERAL(T) __is_literal_type(T) 426#define _LIBCPP_HAS_IS_FINAL 427#endif 428 429#if defined(__GNUC__) && _GNUC_VER >= 403 430# define _LIBCPP_HAS_IS_BASE_OF 431#endif 432 433#if !__EXCEPTIONS 434#define _LIBCPP_NO_EXCEPTIONS 435#endif 436 437// constexpr was added to GCC in 4.6. 438#if _GNUC_VER < 406 439#define _LIBCPP_HAS_NO_CONSTEXPR 440// Can only use constexpr in c++11 mode. 441#elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L 442#define _LIBCPP_HAS_NO_CONSTEXPR 443#endif 444 445// Determine if GCC supports relaxed constexpr 446#if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L 447#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR 448#endif 449 450// GCC 5 will support variable templates 451#if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L 452#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 453#endif 454 455#ifndef __GXX_EXPERIMENTAL_CXX0X__ 456#define _LIBCPP_HAS_NO_DECLTYPE 457#define _LIBCPP_HAS_NO_NULLPTR 458#define _LIBCPP_HAS_NO_UNICODE_CHARS 459#define _LIBCPP_HAS_NO_VARIADICS 460#define _LIBCPP_HAS_NO_RVALUE_REFERENCES 461#define _LIBCPP_HAS_NO_STRONG_ENUMS 462#define _LIBCPP_HAS_NO_NOEXCEPT 463 464#else // __GXX_EXPERIMENTAL_CXX0X__ 465 466#if _GNUC_VER < 403 467#define _LIBCPP_HAS_NO_RVALUE_REFERENCES 468#endif 469 470 471#if _GNUC_VER < 404 472#define _LIBCPP_HAS_NO_DECLTYPE 473#define _LIBCPP_HAS_NO_UNICODE_CHARS 474#define _LIBCPP_HAS_NO_VARIADICS 475#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 476#endif // _GNUC_VER < 404 477 478#if _GNUC_VER < 406 479#define _LIBCPP_HAS_NO_NOEXCEPT 480#define _LIBCPP_HAS_NO_NULLPTR 481#endif 482 483#endif // __GXX_EXPERIMENTAL_CXX0X__ 484 485#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_NAMESPACE { 486#define _LIBCPP_END_NAMESPACE_STD } } 487#define _VSTD std::_LIBCPP_NAMESPACE 488 489namespace std { 490 inline namespace _LIBCPP_NAMESPACE { 491 } 492} 493 494#if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__) 495#define _LIBCPP_HAS_NO_ASAN 496#endif 497 498#elif defined(_LIBCPP_COMPILER_MSVC) 499 500#define _LIBCPP_TOSTRING2(x) #x 501#define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) 502#define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x)) 503 504#if _MSC_VER < 1900 505#error "MSVC versions prior to Visual Studio 2015 are not supported" 506#endif 507 508#define _LIBCPP_HAS_IS_BASE_OF 509#define _LIBCPP_HAS_NO_CONSTEXPR 510#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR 511#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 512#if _MSC_VER <= 1800 513#define _LIBCPP_HAS_NO_UNICODE_CHARS 514#endif 515#define _LIBCPP_HAS_NO_NOEXCEPT 516#define __alignof__ __alignof 517#define _LIBCPP_NORETURN __declspec(noreturn) 518#define _ALIGNAS(x) __declspec(align(x)) 519#define _LIBCPP_HAS_NO_VARIADICS 520 521#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { 522#define _LIBCPP_END_NAMESPACE_STD } 523#define _VSTD std 524 525# define _LIBCPP_WEAK 526namespace std { 527} 528 529#define _LIBCPP_HAS_NO_ASAN 530 531#elif defined(_LIBCPP_COMPILER_IBM) 532 533#define _ALIGNAS(x) __attribute__((__aligned__(x))) 534#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 535#define _ATTRIBUTE(x) __attribute__((x)) 536#define _LIBCPP_NORETURN __attribute__((noreturn)) 537 538#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 539#define _LIBCPP_HAS_NO_NOEXCEPT 540#define _LIBCPP_HAS_NO_NULLPTR 541#define _LIBCPP_HAS_NO_UNICODE_CHARS 542#define _LIBCPP_HAS_IS_BASE_OF 543#define _LIBCPP_HAS_IS_FINAL 544#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 545 546#if defined(_AIX) 547#define __MULTILOCALE_API 548#endif 549 550#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { 551#define _LIBCPP_END_NAMESPACE_STD } } 552#define _VSTD std::_LIBCPP_NAMESPACE 553 554namespace std { 555 inline namespace _LIBCPP_NAMESPACE { 556 } 557} 558 559#define _LIBCPP_HAS_NO_ASAN 560 561#endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM] 562 563#if defined(__ELF__) 564#define _LIBCPP_OBJECT_FORMAT_ELF 1 565#elif defined(__MACH__) 566#define _LIBCPP_OBJECT_FORMAT_MACHO 1 567#else 568#define _LIBCPP_OBJECT_FORMAT_COFF 1 569#endif 570 571#if defined(_LIBCPP_OBJECT_FORMAT_COFF) 572#if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 573# define _LIBCPP_DLL_VIS 574# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS 575# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS 576# define _LIBCPP_OVERRIDABLE_FUNC_VIS 577#elif defined(_LIBCPP_BUILDING_LIBRARY) 578# define _LIBCPP_DLL_VIS __declspec(dllexport) 579# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS 580# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS 581# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS 582#else 583# define _LIBCPP_DLL_VIS __declspec(dllimport) 584# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS 585# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS 586# define _LIBCPP_OVERRIDABLE_FUNC_VIS 587#endif 588 589#define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS 590#define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS 591#define _LIBCPP_EXTERN_VIS _LIBCPP_DLL_VIS 592#define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS 593#define _LIBCPP_HIDDEN 594#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS 595#define _LIBCPP_TEMPLATE_VIS 596#define _LIBCPP_FUNC_VIS_ONLY 597#define _LIBCPP_ENUM_VIS 598 599#if defined(_LIBCPP_COMPILER_MSVC) 600# define _LIBCPP_INLINE_VISIBILITY __forceinline 601# define _LIBCPP_ALWAYS_INLINE __forceinline 602# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __forceinline 603#else 604# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) 605# define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) 606# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__ ((__always_inline__)) 607#endif 608#endif // defined(_LIBCPP_OBJECT_FORMAT_COFF) 609 610#ifndef _LIBCPP_HIDDEN 611#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 612#define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) 613#else 614#define _LIBCPP_HIDDEN 615#endif 616#endif 617 618#ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS 619#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 620// The inline should be removed once PR32114 is resolved 621#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN 622#else 623#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS 624#endif 625#endif 626 627#ifndef _LIBCPP_FUNC_VIS 628#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 629#define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default"))) 630#else 631#define _LIBCPP_FUNC_VIS 632#endif 633#endif 634 635#ifndef _LIBCPP_TYPE_VIS 636# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 637# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) 638# else 639# define _LIBCPP_TYPE_VIS 640# endif 641#endif 642 643#ifndef _LIBCPP_TEMPLATE_VIS 644# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 645# if __has_attribute(__type_visibility__) 646# define _LIBCPP_TEMPLATE_VIS __attribute__ ((__type_visibility__("default"))) 647# else 648# define _LIBCPP_TEMPLATE_VIS __attribute__ ((__visibility__("default"))) 649# endif 650# else 651# define _LIBCPP_TEMPLATE_VIS 652# endif 653#endif 654 655#ifndef _LIBCPP_FUNC_VIS_ONLY 656# define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS 657#endif 658 659#ifndef _LIBCPP_EXTERN_VIS 660# define _LIBCPP_EXTERN_VIS 661#endif 662 663#ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS 664# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS 665#endif 666 667#ifndef _LIBCPP_EXCEPTION_ABI 668#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 669#define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default"))) 670#else 671#define _LIBCPP_EXCEPTION_ABI 672#endif 673#endif 674 675#ifndef _LIBCPP_ENUM_VIS 676# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) 677# define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default"))) 678# else 679# define _LIBCPP_ENUM_VIS 680# endif 681#endif 682 683#ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS 684# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) 685# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__visibility__("default"))) 686# else 687# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS 688# endif 689#endif 690 691#ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS 692# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS 693#endif 694 695#ifndef _LIBCPP_INLINE_VISIBILITY 696#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 697#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__)) 698#else 699#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) 700#endif 701#endif 702 703#ifndef _LIBCPP_ALWAYS_INLINE 704#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 705#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__)) 706#else 707#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) 708#endif 709#endif 710 711#ifndef _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY 712# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 713# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__visibility__("default"), __always_inline__)) 714# else 715# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__always_inline__)) 716# endif 717#endif 718 719#ifndef _LIBCPP_PREFERRED_OVERLOAD 720# if __has_attribute(__enable_if__) 721# define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, ""))) 722# endif 723#endif 724 725#ifndef _LIBCPP_HAS_NO_NOEXCEPT 726# define _NOEXCEPT noexcept 727# define _NOEXCEPT_(x) noexcept(x) 728#else 729# define _NOEXCEPT throw() 730# define _NOEXCEPT_(x) 731#endif 732 733#if defined(_LIBCPP_DEBUG_USE_EXCEPTIONS) 734# if !defined(_LIBCPP_DEBUG) 735# error cannot use _LIBCPP_DEBUG_USE_EXCEPTIONS unless _LIBCPP_DEBUG is defined 736# endif 737# define _NOEXCEPT_DEBUG noexcept(false) 738# define _NOEXCEPT_DEBUG_(x) noexcept(false) 739#else 740# define _NOEXCEPT_DEBUG _NOEXCEPT 741# define _NOEXCEPT_DEBUG_(x) _NOEXCEPT_(x) 742#endif 743 744#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS 745typedef unsigned short char16_t; 746typedef unsigned int char32_t; 747#endif // _LIBCPP_HAS_NO_UNICODE_CHARS 748 749#ifndef __SIZEOF_INT128__ 750#define _LIBCPP_HAS_NO_INT128 751#endif 752 753#ifdef _LIBCPP_CXX03_LANG 754# if __has_extension(c_static_assert) 755# define static_assert(__b, __m) _Static_assert(__b, __m) 756# else 757extern "C++" { 758template <bool> struct __static_assert_test; 759template <> struct __static_assert_test<true> {}; 760template <unsigned> struct __static_assert_check {}; 761} 762#define static_assert(__b, __m) \ 763 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \ 764 _LIBCPP_CONCAT(__t, __LINE__) 765# endif // __has_extension(c_static_assert) 766#endif // _LIBCPP_CXX03_LANG 767 768#ifdef _LIBCPP_HAS_NO_DECLTYPE 769// GCC 4.6 provides __decltype in all standard modes. 770#if __has_keyword(__decltype) || _LIBCPP_CLANG_VER >= 304 || _GNUC_VER >= 406 771# define decltype(__x) __decltype(__x) 772#else 773# define decltype(__x) __typeof__(__x) 774#endif 775#endif 776 777#ifdef _LIBCPP_HAS_NO_CONSTEXPR 778#define _LIBCPP_CONSTEXPR 779#else 780#define _LIBCPP_CONSTEXPR constexpr 781#endif 782 783#ifdef _LIBCPP_CXX03_LANG 784#define _LIBCPP_DEFAULT {} 785#else 786#define _LIBCPP_DEFAULT = default; 787#endif 788 789#ifdef _LIBCPP_CXX03_LANG 790#define _LIBCPP_EQUAL_DELETE 791#else 792#define _LIBCPP_EQUAL_DELETE = delete 793#endif 794 795#ifdef __GNUC__ 796#define _NOALIAS __attribute__((__malloc__)) 797#else 798#define _NOALIAS 799#endif 800 801#if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) || \ 802 (!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions 803# define _LIBCPP_EXPLICIT explicit 804#else 805# define _LIBCPP_EXPLICIT 806#endif 807 808#if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete) 809# define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE 810#endif 811 812#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS 813#define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx 814#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ 815 __lx __v_; \ 816 _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \ 817 _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ 818 _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \ 819 }; 820#else // _LIBCPP_HAS_NO_STRONG_ENUMS 821#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x 822#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) 823#endif // _LIBCPP_HAS_NO_STRONG_ENUMS 824 825#ifdef _LIBCPP_DEBUG 826# if _LIBCPP_DEBUG == 0 827# define _LIBCPP_DEBUG_LEVEL 1 828# elif _LIBCPP_DEBUG == 1 829# define _LIBCPP_DEBUG_LEVEL 2 830# else 831# error Supported values for _LIBCPP_DEBUG are 0 and 1 832# endif 833# if !defined(_LIBCPP_BUILDING_LIBRARY) 834# define _LIBCPP_EXTERN_TEMPLATE(...) 835# endif 836#endif 837 838#ifndef _LIBCPP_EXTERN_TEMPLATE 839#define _LIBCPP_EXTERN_TEMPLATE(...) 840#endif 841 842#ifndef _LIBCPP_EXTERN_TEMPLATE2 843#define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__; 844#endif 845 846#if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__) 847#define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63) 848#endif 849 850#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT) || \ 851 defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__) 852#define _LIBCPP_LOCALE__L_EXTENSIONS 1 853#endif 854 855#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) 856// Most unix variants have catopen. These are the specific ones that don't. 857#if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION) 858#define _LIBCPP_HAS_CATOPEN 1 859#endif 860#endif 861 862#ifdef __FreeBSD__ 863#define _DECLARE_C99_LDBL_MATH 1 864#endif 865 866#if defined(__APPLE__) 867# if !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \ 868 defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) 869# define __MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ 870# endif 871# if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) 872# if __MAC_OS_X_VERSION_MIN_REQUIRED < 1060 873# define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION 874# endif 875# endif 876#endif // defined(__APPLE__) 877 878#if defined(__APPLE__) || defined(__FreeBSD__) 879#define _LIBCPP_HAS_DEFAULTRUNELOCALE 880#endif 881 882#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) 883#define _LIBCPP_WCTYPE_IS_MASK 884#endif 885 886#ifndef _LIBCPP_STD_VER 887# if __cplusplus <= 201103L 888# define _LIBCPP_STD_VER 11 889# elif __cplusplus <= 201402L 890# define _LIBCPP_STD_VER 14 891# else 892# define _LIBCPP_STD_VER 16 // current year, or date of c++17 ratification 893# endif 894#endif // _LIBCPP_STD_VER 895 896#if _LIBCPP_STD_VER > 11 897#define _LIBCPP_DEPRECATED [[deprecated]] 898#else 899#define _LIBCPP_DEPRECATED 900#endif 901 902#if _LIBCPP_STD_VER <= 11 903#define _LIBCPP_EXPLICIT_AFTER_CXX11 904#define _LIBCPP_DEPRECATED_AFTER_CXX11 905#else 906#define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit 907#define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]] 908#endif 909 910#if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) 911#define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr 912#else 913#define _LIBCPP_CONSTEXPR_AFTER_CXX11 914#endif 915 916#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) 917#define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr 918#else 919#define _LIBCPP_CONSTEXPR_AFTER_CXX14 920#endif 921 922// FIXME: Remove all usages of this macro once compilers catch up. 923#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606L) 924# define _LIBCPP_HAS_NO_INLINE_VARIABLES 925#endif 926 927#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES 928# define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x) 929#else 930# define _LIBCPP_EXPLICIT_MOVE(x) (x) 931#endif 932 933#ifndef _LIBCPP_HAS_NO_ASAN 934_LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( 935 const void *, const void *, const void *, const void *); 936#endif 937 938// Try to find out if RTTI is disabled. 939// g++ and cl.exe have RTTI on by default and define a macro when it is. 940// g++ only defines the macro in 4.3.2 and onwards. 941#if !defined(_LIBCPP_NO_RTTI) 942# if defined(__GNUC__) && ((__GNUC__ >= 5) || (__GNUC__ == 4 && \ 943 (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && !defined(__GXX_RTTI) 944# define _LIBCPP_NO_RTTI 945# elif defined(_LIBCPP_MSVC) && !defined(_CPPRTTI) 946# define _LIBCPP_NO_RTTI 947# endif 948#endif 949 950#ifndef _LIBCPP_WEAK 951# define _LIBCPP_WEAK __attribute__((__weak__)) 952#endif 953 954// Thread API 955#if !defined(_LIBCPP_HAS_NO_THREADS) && \ 956 !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \ 957 !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) 958# if defined(__FreeBSD__) || \ 959 defined(__Fuchsia__) || \ 960 defined(__NetBSD__) || \ 961 defined(__linux__) || \ 962 defined(__APPLE__) || \ 963 defined(__CloudABI__) || \ 964 defined(__sun__) 965# define _LIBCPP_HAS_THREAD_API_PTHREAD 966# elif defined(_LIBCPP_WIN32API) 967# define _LIBCPP_HAS_THREAD_API_WIN32 968# else 969# error "No thread API" 970# endif // _LIBCPP_HAS_THREAD_API 971#endif // _LIBCPP_HAS_NO_THREADS 972 973#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD) 974# error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \ 975 _LIBCPP_HAS_NO_THREADS is not defined. 976#endif 977 978#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) 979# error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \ 980 _LIBCPP_HAS_NO_THREADS is defined. 981#endif 982 983#if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS) 984# error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \ 985 _LIBCPP_HAS_NO_THREADS is defined. 986#endif 987 988// Systems that use capability-based security (FreeBSD with Capsicum, 989// Nuxi CloudABI) may only provide local filesystem access (using *at()). 990// Functions like open(), rename(), unlink() and stat() should not be 991// used, as they attempt to access the global filesystem namespace. 992#ifdef __CloudABI__ 993#define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 994#endif 995 996// CloudABI is intended for running networked services. Processes do not 997// have standard input and output channels. 998#ifdef __CloudABI__ 999#define _LIBCPP_HAS_NO_STDIN 1000#define _LIBCPP_HAS_NO_STDOUT 1001#endif 1002 1003#if defined(__BIONIC__) || defined(__CloudABI__) || \ 1004 defined(_LIBCPP_HAS_MUSL_LIBC) 1005#define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE 1006#endif 1007 1008// Thread-unsafe functions such as strtok() and localtime() 1009// are not available. 1010#ifdef __CloudABI__ 1011#define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS 1012#endif 1013 1014#if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic) 1015#define _LIBCPP_HAS_C_ATOMIC_IMP 1016#elif _GNUC_VER > 407 1017#define _LIBCPP_HAS_GCC_ATOMIC_IMP 1018#endif 1019 1020#if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \ 1021 || defined(_LIBCPP_HAS_NO_THREADS) 1022#define _LIBCPP_HAS_NO_ATOMIC_HEADER 1023#endif 1024 1025#ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK 1026#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK 1027#endif 1028 1029#if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS) 1030#if defined(__clang__) && __has_attribute(acquire_capability) 1031// Work around the attribute handling in clang. When both __declspec and 1032// __attribute__ are present, the processing goes awry preventing the definition 1033// of the types. 1034#if !defined(_LIBCPP_OBJECT_FORMAT_COFF) 1035#define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS 1036#endif 1037#endif 1038#endif 1039 1040#if __has_attribute(require_constant_initialization) 1041#define _LIBCPP_SAFE_STATIC __attribute__((__require_constant_initialization__)) 1042#else 1043#define _LIBCPP_SAFE_STATIC 1044#endif 1045 1046#if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700 1047#define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF 1048#endif 1049 1050#if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS) 1051#if defined(_LIBCPP_MSVCRT) || defined(_NEWLIB_VERSION) 1052#define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS 1053#endif 1054#endif 1055 1056#if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS) 1057# define _LIBCPP_DIAGNOSE_WARNING(...) \ 1058 __attribute__((diagnose_if(__VA_ARGS__, "warning"))) 1059# define _LIBCPP_DIAGNOSE_ERROR(...) \ 1060 __attribute__((diagnose_if(__VA_ARGS__, "error"))) 1061#else 1062# define _LIBCPP_DIAGNOSE_WARNING(...) 1063# define _LIBCPP_DIAGNOSE_ERROR(...) 1064#endif 1065 1066#if defined(_LIBCPP_ABI_MICROSOFT) && \ 1067 (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases)) 1068# define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases) 1069#else 1070# define _LIBCPP_DECLSPEC_EMPTY_BASES 1071#endif 1072 1073#if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES) 1074# define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR 1075# define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS 1076#endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES 1077 1078#endif // __cplusplus 1079 1080#endif // _LIBCPP_CONFIG 1081