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// The _GNUC_VER_NEW macro better represents the new GCC versioning scheme 29// introduced in GCC 5.0. 30#define _GNUC_VER_NEW (_GNUC_VER * 10 + __GNUC_PATCHLEVEL__) 31#else 32#define _GNUC_VER 0 33#define _GNUC_VER_NEW 0 34#endif 35 36#define _LIBCPP_VERSION 5000 37 38#ifndef _LIBCPP_ABI_VERSION 39#define _LIBCPP_ABI_VERSION 1 40#endif 41 42#if defined(__ELF__) 43#define _LIBCPP_OBJECT_FORMAT_ELF 1 44#elif defined(__MACH__) 45#define _LIBCPP_OBJECT_FORMAT_MACHO 1 46#elif defined(_WIN32) 47#define _LIBCPP_OBJECT_FORMAT_COFF 1 48#else 49#error Unknown object file format 50#endif 51 52#if defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2 53// Change short string representation so that string data starts at offset 0, 54// improving its alignment in some cases. 55#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT 56// Fix deque iterator type in order to support incomplete types. 57#define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE 58// Fix undefined behavior in how std::list stores it's linked nodes. 59#define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB 60// Fix undefined behavior in how __tree stores its end and parent nodes. 61#define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB 62// Fix undefined behavior in how __hash_table stores it's pointer types 63#define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB 64#define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB 65#define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE 66// Don't use a nullptr_t simulation type in C++03 instead using C++11 nullptr 67// provided under the alternate keyword __nullptr, which changes the mangling 68// of nullptr_t. This option is ABI incompatible with GCC in C++03 mode. 69#define _LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR 70// Define the `pointer_safety` enum as a C++11 strongly typed enumeration 71// instead of as a class simulating an enum. If this option is enabled 72// `pointer_safety` and `get_pointer_safety()` will no longer be available 73// in C++03. 74#define _LIBCPP_ABI_POINTER_SAFETY_ENUM_TYPE 75// Define a key function for `bad_function_call` in the library, to centralize 76// its vtable and typeinfo to libc++ rather than having all other libraries 77// using that class define their own copies. 78#define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION 79#elif _LIBCPP_ABI_VERSION == 1 80#if !defined(_LIBCPP_OBJECT_FORMAT_COFF) 81// Enable compiling copies of now inline methods into the dylib to support 82// applications compiled against older libraries. This is unnecessary with 83// COFF dllexport semantics, since dllexport forces a non-inline definition 84// of inline functions to be emitted anyway. Our own non-inline copy would 85// conflict with the dllexport-emitted copy, so we disable it. 86#define _LIBCPP_DEPRECATED_ABI_LEGACY_LIBRARY_DEFINITIONS_FOR_INLINE_FUNCTIONS 87#endif 88// Feature macros for disabling pre ABI v1 features. All of these options 89// are deprecated. 90#if defined(__FreeBSD__) 91#define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR 92#endif 93#endif 94 95#ifdef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 96#error "_LIBCPP_TRIVIAL_PAIR_COPY_CTOR" is no longer supported. \ 97 use _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR instead 98#endif 99 100#define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y 101#define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) 102 103#define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) 104 105#if __cplusplus < 201103L 106#define _LIBCPP_CXX03_LANG 107#endif 108 109#ifndef __has_attribute 110#define __has_attribute(__x) 0 111#endif 112#ifndef __has_builtin 113#define __has_builtin(__x) 0 114#endif 115#ifndef __has_extension 116#define __has_extension(__x) 0 117#endif 118#ifndef __has_feature 119#define __has_feature(__x) 0 120#endif 121// '__is_identifier' returns '0' if '__x' is a reserved identifier provided by 122// the compiler and '1' otherwise. 123#ifndef __is_identifier 124#define __is_identifier(__x) 1 125#endif 126#ifndef __has_declspec_attribute 127#define __has_declspec_attribute(__x) 0 128#endif 129 130#define __has_keyword(__x) !(__is_identifier(__x)) 131 132#if defined(__clang__) 133#define _LIBCPP_COMPILER_CLANG 134# ifndef __apple_build_version__ 135# define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__) 136# endif 137#elif defined(__GNUC__) 138#define _LIBCPP_COMPILER_GCC 139#elif defined(_MSC_VER) 140#define _LIBCPP_COMPILER_MSVC 141#elif defined(__IBMCPP__) 142#define _LIBCPP_COMPILER_IBM 143#endif 144 145#ifndef _LIBCPP_CLANG_VER 146#define _LIBCPP_CLANG_VER 0 147#endif 148 149// FIXME: ABI detection should be done via compiler builtin macros. This 150// is just a placeholder until Clang implements such macros. For now assume 151// that Windows compilers pretending to be MSVC++ target the microsoft ABI. 152#if defined(_WIN32) && defined(_MSC_VER) 153# define _LIBCPP_ABI_MICROSOFT 154#else 155# define _LIBCPP_ABI_ITANIUM 156#endif 157 158// Need to detect which libc we're using if we're on Linux. 159#if defined(__linux__) 160#include <features.h> 161#if !defined(__GLIBC_PREREQ) 162#define __GLIBC_PREREQ(a, b) 0 163#endif // !defined(__GLIBC_PREREQ) 164#endif // defined(__linux__) 165 166#ifdef __LITTLE_ENDIAN__ 167#if __LITTLE_ENDIAN__ 168#define _LIBCPP_LITTLE_ENDIAN 1 169#define _LIBCPP_BIG_ENDIAN 0 170#endif // __LITTLE_ENDIAN__ 171#endif // __LITTLE_ENDIAN__ 172 173#ifdef __BIG_ENDIAN__ 174#if __BIG_ENDIAN__ 175#define _LIBCPP_LITTLE_ENDIAN 0 176#define _LIBCPP_BIG_ENDIAN 1 177#endif // __BIG_ENDIAN__ 178#endif // __BIG_ENDIAN__ 179 180#ifdef __BYTE_ORDER__ 181#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 182#define _LIBCPP_LITTLE_ENDIAN 1 183#define _LIBCPP_BIG_ENDIAN 0 184#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 185#define _LIBCPP_LITTLE_ENDIAN 0 186#define _LIBCPP_BIG_ENDIAN 1 187#endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 188#endif // __BYTE_ORDER__ 189 190#ifdef __FreeBSD__ 191# include <sys/endian.h> 192# if _BYTE_ORDER == _LITTLE_ENDIAN 193# define _LIBCPP_LITTLE_ENDIAN 1 194# define _LIBCPP_BIG_ENDIAN 0 195# else // _BYTE_ORDER == _LITTLE_ENDIAN 196# define _LIBCPP_LITTLE_ENDIAN 0 197# define _LIBCPP_BIG_ENDIAN 1 198# endif // _BYTE_ORDER == _LITTLE_ENDIAN 199# ifndef __LONG_LONG_SUPPORTED 200# define _LIBCPP_HAS_NO_LONG_LONG 201# endif // __LONG_LONG_SUPPORTED 202#endif // __FreeBSD__ 203 204#ifdef __NetBSD__ 205# include <sys/endian.h> 206# if _BYTE_ORDER == _LITTLE_ENDIAN 207# define _LIBCPP_LITTLE_ENDIAN 1 208# define _LIBCPP_BIG_ENDIAN 0 209# else // _BYTE_ORDER == _LITTLE_ENDIAN 210# define _LIBCPP_LITTLE_ENDIAN 0 211# define _LIBCPP_BIG_ENDIAN 1 212# endif // _BYTE_ORDER == _LITTLE_ENDIAN 213# define _LIBCPP_HAS_QUICK_EXIT 214#endif // __NetBSD__ 215 216#if defined(_WIN32) 217# define _LIBCPP_WIN32API 1 218# define _LIBCPP_LITTLE_ENDIAN 1 219# define _LIBCPP_BIG_ENDIAN 0 220# define _LIBCPP_SHORT_WCHAR 1 221// If mingw not explicitly detected, assume using MS C runtime only. 222# ifndef __MINGW32__ 223# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library 224# endif 225# if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__)) 226# define _LIBCPP_HAS_BITSCAN64 227# endif 228# if defined(_LIBCPP_MSVCRT) 229# define _LIBCPP_HAS_QUICK_EXIT 230# endif 231 232// Some CRT APIs are unavailable to store apps 233#if defined(WINAPI_FAMILY) 234#include <winapifamily.h> 235#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && \ 236 (!defined(WINAPI_PARTITION_SYSTEM) || \ 237 !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_SYSTEM)) 238#define _LIBCPP_WINDOWS_STORE_APP 239#endif 240#endif 241#endif // defined(_WIN32) 242 243#ifdef __sun__ 244# include <sys/isa_defs.h> 245# ifdef _LITTLE_ENDIAN 246# define _LIBCPP_LITTLE_ENDIAN 1 247# define _LIBCPP_BIG_ENDIAN 0 248# else 249# define _LIBCPP_LITTLE_ENDIAN 0 250# define _LIBCPP_BIG_ENDIAN 1 251# endif 252#endif // __sun__ 253 254#if defined(__CloudABI__) 255 // Certain architectures provide arc4random(). Prefer using 256 // arc4random() over /dev/{u,}random to make it possible to obtain 257 // random data even when using sandboxing mechanisms such as chroots, 258 // Capsicum, etc. 259# define _LIBCPP_USING_ARC4_RANDOM 260#elif defined(__native_client__) 261 // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access, 262 // including accesses to the special files under /dev. C++11's 263 // std::random_device is instead exposed through a NaCl syscall. 264# define _LIBCPP_USING_NACL_RANDOM 265#elif defined(_LIBCPP_WIN32API) 266# define _LIBCPP_USING_WIN32_RANDOM 267#else 268# define _LIBCPP_USING_DEV_RANDOM 269#endif 270 271#if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) 272# include <endian.h> 273# if __BYTE_ORDER == __LITTLE_ENDIAN 274# define _LIBCPP_LITTLE_ENDIAN 1 275# define _LIBCPP_BIG_ENDIAN 0 276# elif __BYTE_ORDER == __BIG_ENDIAN 277# define _LIBCPP_LITTLE_ENDIAN 0 278# define _LIBCPP_BIG_ENDIAN 1 279# else // __BYTE_ORDER == __BIG_ENDIAN 280# error unable to determine endian 281# endif 282#endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) 283 284#if __has_attribute(__no_sanitize__) 285#define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi"))) 286#else 287#define _LIBCPP_NO_CFI 288#endif 289 290#if defined(_LIBCPP_COMPILER_CLANG) 291 292// _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for 293// _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility. 294#if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \ 295 (!defined(__arm__) || __ARM_ARCH_7K__ >= 2)) || \ 296 defined(_LIBCPP_ALTERNATE_STRING_LAYOUT) 297#define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT 298#endif 299 300#if __has_feature(cxx_alignas) 301# define _ALIGNAS_TYPE(x) alignas(x) 302# define _ALIGNAS(x) alignas(x) 303#else 304# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 305# define _ALIGNAS(x) __attribute__((__aligned__(x))) 306#endif 307 308#if __cplusplus < 201103L 309typedef __char16_t char16_t; 310typedef __char32_t char32_t; 311#endif 312 313#if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS) 314#define _LIBCPP_NO_EXCEPTIONS 315#endif 316 317#if !(__has_feature(cxx_rtti)) 318#define _LIBCPP_NO_RTTI 319#endif 320 321#if !(__has_feature(cxx_strong_enums)) 322#define _LIBCPP_HAS_NO_STRONG_ENUMS 323#endif 324 325#if !(__has_feature(cxx_decltype)) 326#define _LIBCPP_HAS_NO_DECLTYPE 327#endif 328 329#if __has_feature(cxx_attributes) 330# define _LIBCPP_NORETURN [[noreturn]] 331#else 332# define _LIBCPP_NORETURN __attribute__ ((noreturn)) 333#endif 334 335#if !(__has_feature(cxx_lambdas)) 336#define _LIBCPP_HAS_NO_LAMBDAS 337#endif 338 339#if !(__has_feature(cxx_nullptr)) 340# if (__has_extension(cxx_nullptr) || __has_keyword(__nullptr)) && defined(_LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR) 341# define nullptr __nullptr 342# else 343# define _LIBCPP_HAS_NO_NULLPTR 344# endif 345#endif 346 347#if !(__has_feature(cxx_rvalue_references)) 348#define _LIBCPP_HAS_NO_RVALUE_REFERENCES 349#endif 350 351#if !(__has_feature(cxx_auto_type)) 352#define _LIBCPP_HAS_NO_AUTO_TYPE 353#endif 354 355#if !(__has_feature(cxx_variadic_templates)) 356#define _LIBCPP_HAS_NO_VARIADICS 357#endif 358 359#if !(__has_feature(cxx_generalized_initializers)) 360#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 361#endif 362 363#if __has_feature(is_base_of) 364# define _LIBCPP_HAS_IS_BASE_OF 365#endif 366 367#if __has_feature(is_final) 368# define _LIBCPP_HAS_IS_FINAL 369#endif 370 371// Objective-C++ features (opt-in) 372#if __has_feature(objc_arc) 373#define _LIBCPP_HAS_OBJC_ARC 374#endif 375 376#if __has_feature(objc_arc_weak) 377#define _LIBCPP_HAS_OBJC_ARC_WEAK 378#endif 379 380#if !(__has_feature(cxx_constexpr)) 381#define _LIBCPP_HAS_NO_CONSTEXPR 382#endif 383 384#if !(__has_feature(cxx_relaxed_constexpr)) 385#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR 386#endif 387 388#if !(__has_feature(cxx_variable_templates)) 389#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 390#endif 391 392#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 393#if defined(__FreeBSD__) 394#define _LIBCPP_HAS_QUICK_EXIT 395#define _LIBCPP_HAS_C11_FEATURES 396#elif defined(__Fuchsia__) 397#define _LIBCPP_HAS_QUICK_EXIT 398#define _LIBCPP_HAS_C11_FEATURES 399#elif defined(__linux__) 400#if !defined(_LIBCPP_HAS_MUSL_LIBC) 401#if __GLIBC_PREREQ(2, 15) || defined(__BIONIC__) 402#define _LIBCPP_HAS_QUICK_EXIT 403#endif 404#if __GLIBC_PREREQ(2, 17) 405#define _LIBCPP_HAS_C11_FEATURES 406#endif 407#else // defined(_LIBCPP_HAS_MUSL_LIBC) 408#define _LIBCPP_HAS_QUICK_EXIT 409#define _LIBCPP_HAS_C11_FEATURES 410#endif 411#endif // __linux__ 412#endif 413 414#if !(__has_feature(cxx_noexcept)) 415#define _LIBCPP_HAS_NO_NOEXCEPT 416#endif 417 418#if __has_feature(underlying_type) 419# define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) 420#endif 421 422#if __has_feature(is_literal) 423# define _LIBCPP_IS_LITERAL(T) __is_literal(T) 424#endif 425 426// Inline namespaces are available in Clang regardless of C++ dialect. 427#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { 428#define _LIBCPP_END_NAMESPACE_STD } } 429#define _VSTD std::_LIBCPP_NAMESPACE 430 431namespace std { 432 inline namespace _LIBCPP_NAMESPACE { 433 } 434} 435 436#if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer) 437#define _LIBCPP_HAS_NO_ASAN 438#endif 439 440// Allow for build-time disabling of unsigned integer sanitization 441#if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize) 442#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow"))) 443#endif 444 445#elif defined(_LIBCPP_COMPILER_GCC) 446 447#define _ALIGNAS(x) __attribute__((__aligned__(x))) 448#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 449 450#define _LIBCPP_NORETURN __attribute__((noreturn)) 451 452#if _GNUC_VER >= 407 453#define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) 454#define _LIBCPP_IS_LITERAL(T) __is_literal_type(T) 455#define _LIBCPP_HAS_IS_FINAL 456#endif 457 458#if defined(__GNUC__) && _GNUC_VER >= 403 459# define _LIBCPP_HAS_IS_BASE_OF 460#endif 461 462#if !__EXCEPTIONS 463#define _LIBCPP_NO_EXCEPTIONS 464#endif 465 466// constexpr was added to GCC in 4.6. 467#if _GNUC_VER < 406 468#define _LIBCPP_HAS_NO_CONSTEXPR 469// Can only use constexpr in c++11 mode. 470#elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L 471#define _LIBCPP_HAS_NO_CONSTEXPR 472#endif 473 474// Determine if GCC supports relaxed constexpr 475#if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L 476#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR 477#endif 478 479// GCC 5 will support variable templates 480#if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L 481#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 482#endif 483 484#ifndef __GXX_EXPERIMENTAL_CXX0X__ 485#define _LIBCPP_HAS_NO_DECLTYPE 486#define _LIBCPP_HAS_NO_NULLPTR 487#define _LIBCPP_HAS_NO_UNICODE_CHARS 488#define _LIBCPP_HAS_NO_VARIADICS 489#define _LIBCPP_HAS_NO_RVALUE_REFERENCES 490#define _LIBCPP_HAS_NO_STRONG_ENUMS 491#define _LIBCPP_HAS_NO_NOEXCEPT 492 493#else // __GXX_EXPERIMENTAL_CXX0X__ 494 495#if _GNUC_VER < 403 496#define _LIBCPP_HAS_NO_RVALUE_REFERENCES 497#endif 498 499 500#if _GNUC_VER < 404 501#define _LIBCPP_HAS_NO_DECLTYPE 502#define _LIBCPP_HAS_NO_UNICODE_CHARS 503#define _LIBCPP_HAS_NO_VARIADICS 504#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 505#endif // _GNUC_VER < 404 506 507#if _GNUC_VER < 406 508#define _LIBCPP_HAS_NO_NOEXCEPT 509#define _LIBCPP_HAS_NO_NULLPTR 510#endif 511 512#endif // __GXX_EXPERIMENTAL_CXX0X__ 513 514#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_NAMESPACE { 515#define _LIBCPP_END_NAMESPACE_STD } } 516#define _VSTD std::_LIBCPP_NAMESPACE 517 518namespace std { 519 inline namespace _LIBCPP_NAMESPACE { 520 } 521} 522 523#if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__) 524#define _LIBCPP_HAS_NO_ASAN 525#endif 526 527#elif defined(_LIBCPP_COMPILER_MSVC) 528 529#define _LIBCPP_TOSTRING2(x) #x 530#define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) 531#define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x)) 532 533#if _MSC_VER < 1900 534#error "MSVC versions prior to Visual Studio 2015 are not supported" 535#endif 536 537#define _LIBCPP_HAS_IS_BASE_OF 538#define _LIBCPP_HAS_NO_CONSTEXPR 539#define _LIBCPP_HAS_NO_CXX14_CONSTEXPR 540#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 541#if _MSC_VER <= 1800 542#define _LIBCPP_HAS_NO_UNICODE_CHARS 543#endif 544#define _LIBCPP_HAS_NO_NOEXCEPT 545#define __alignof__ __alignof 546#define _LIBCPP_NORETURN __declspec(noreturn) 547#define _ALIGNAS(x) __declspec(align(x)) 548#define _LIBCPP_HAS_NO_VARIADICS 549 550#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { 551#define _LIBCPP_END_NAMESPACE_STD } 552#define _VSTD std 553 554# define _LIBCPP_WEAK 555namespace std { 556} 557 558#define _LIBCPP_HAS_NO_ASAN 559 560#elif defined(_LIBCPP_COMPILER_IBM) 561 562#define _ALIGNAS(x) __attribute__((__aligned__(x))) 563#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 564#define _ATTRIBUTE(x) __attribute__((x)) 565#define _LIBCPP_NORETURN __attribute__((noreturn)) 566 567#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 568#define _LIBCPP_HAS_NO_NOEXCEPT 569#define _LIBCPP_HAS_NO_NULLPTR 570#define _LIBCPP_HAS_NO_UNICODE_CHARS 571#define _LIBCPP_HAS_IS_BASE_OF 572#define _LIBCPP_HAS_IS_FINAL 573#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES 574 575#if defined(_AIX) 576#define __MULTILOCALE_API 577#endif 578 579#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { 580#define _LIBCPP_END_NAMESPACE_STD } } 581#define _VSTD std::_LIBCPP_NAMESPACE 582 583namespace std { 584 inline namespace _LIBCPP_NAMESPACE { 585 } 586} 587 588#define _LIBCPP_HAS_NO_ASAN 589 590#endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM] 591 592#if defined(_LIBCPP_OBJECT_FORMAT_COFF) 593#if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 594# define _LIBCPP_DLL_VIS 595# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS 596# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS 597# define _LIBCPP_OVERRIDABLE_FUNC_VIS 598#elif defined(_LIBCPP_BUILDING_LIBRARY) 599# define _LIBCPP_DLL_VIS __declspec(dllexport) 600# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS 601# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS 602# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS 603#else 604# define _LIBCPP_DLL_VIS __declspec(dllimport) 605# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS 606# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS 607# define _LIBCPP_OVERRIDABLE_FUNC_VIS 608#endif 609 610#define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS 611#define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS 612#define _LIBCPP_EXTERN_VIS _LIBCPP_DLL_VIS 613#define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS 614#define _LIBCPP_HIDDEN 615#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS 616#define _LIBCPP_TEMPLATE_VIS 617#define _LIBCPP_FUNC_VIS_ONLY 618#define _LIBCPP_ENUM_VIS 619 620#if defined(_LIBCPP_COMPILER_MSVC) 621# define _LIBCPP_INLINE_VISIBILITY __forceinline 622# define _LIBCPP_ALWAYS_INLINE __forceinline 623# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __forceinline 624#else 625# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) 626# define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) 627# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__ ((__always_inline__)) 628#endif 629#endif // defined(_LIBCPP_OBJECT_FORMAT_COFF) 630 631#ifndef _LIBCPP_HIDDEN 632#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 633#define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) 634#else 635#define _LIBCPP_HIDDEN 636#endif 637#endif 638 639#ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS 640#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 641// The inline should be removed once PR32114 is resolved 642#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN 643#else 644#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS 645#endif 646#endif 647 648#ifndef _LIBCPP_FUNC_VIS 649#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 650#define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default"))) 651#else 652#define _LIBCPP_FUNC_VIS 653#endif 654#endif 655 656#ifndef _LIBCPP_TYPE_VIS 657# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 658# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) 659# else 660# define _LIBCPP_TYPE_VIS 661# endif 662#endif 663 664#ifndef _LIBCPP_TEMPLATE_VIS 665# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 666# if __has_attribute(__type_visibility__) 667# define _LIBCPP_TEMPLATE_VIS __attribute__ ((__type_visibility__("default"))) 668# else 669# define _LIBCPP_TEMPLATE_VIS __attribute__ ((__visibility__("default"))) 670# endif 671# else 672# define _LIBCPP_TEMPLATE_VIS 673# endif 674#endif 675 676#ifndef _LIBCPP_FUNC_VIS_ONLY 677# define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS 678#endif 679 680#ifndef _LIBCPP_EXTERN_VIS 681# define _LIBCPP_EXTERN_VIS 682#endif 683 684#ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS 685# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS 686#endif 687 688#ifndef _LIBCPP_EXCEPTION_ABI 689#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 690#define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default"))) 691#else 692#define _LIBCPP_EXCEPTION_ABI 693#endif 694#endif 695 696#ifndef _LIBCPP_ENUM_VIS 697# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) 698# define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default"))) 699# else 700# define _LIBCPP_ENUM_VIS 701# endif 702#endif 703 704#ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS 705# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) 706# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__visibility__("default"))) 707# else 708# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS 709# endif 710#endif 711 712#ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS 713# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS 714#endif 715 716#ifndef _LIBCPP_INLINE_VISIBILITY 717#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 718#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__)) 719#else 720#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) 721#endif 722#endif 723 724#ifndef _LIBCPP_ALWAYS_INLINE 725#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 726#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__)) 727#else 728#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) 729#endif 730#endif 731 732#ifndef _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY 733# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) 734# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__visibility__("default"), __always_inline__)) 735# else 736# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__always_inline__)) 737# endif 738#endif 739 740#ifndef _LIBCPP_PREFERRED_OVERLOAD 741# if __has_attribute(__enable_if__) 742# define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, ""))) 743# endif 744#endif 745 746#ifndef _LIBCPP_HAS_NO_NOEXCEPT 747# define _NOEXCEPT noexcept 748# define _NOEXCEPT_(x) noexcept(x) 749#else 750# define _NOEXCEPT throw() 751# define _NOEXCEPT_(x) 752#endif 753 754#if defined(_LIBCPP_DEBUG_USE_EXCEPTIONS) 755# if !defined(_LIBCPP_DEBUG) 756# error cannot use _LIBCPP_DEBUG_USE_EXCEPTIONS unless _LIBCPP_DEBUG is defined 757# endif 758# define _NOEXCEPT_DEBUG noexcept(false) 759# define _NOEXCEPT_DEBUG_(x) noexcept(false) 760#else 761# define _NOEXCEPT_DEBUG _NOEXCEPT 762# define _NOEXCEPT_DEBUG_(x) _NOEXCEPT_(x) 763#endif 764 765#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS 766typedef unsigned short char16_t; 767typedef unsigned int char32_t; 768#endif // _LIBCPP_HAS_NO_UNICODE_CHARS 769 770#ifndef __SIZEOF_INT128__ 771#define _LIBCPP_HAS_NO_INT128 772#endif 773 774#ifdef _LIBCPP_CXX03_LANG 775# if __has_extension(c_static_assert) 776# define static_assert(__b, __m) _Static_assert(__b, __m) 777# else 778extern "C++" { 779template <bool> struct __static_assert_test; 780template <> struct __static_assert_test<true> {}; 781template <unsigned> struct __static_assert_check {}; 782} 783#define static_assert(__b, __m) \ 784 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \ 785 _LIBCPP_CONCAT(__t, __LINE__) 786# endif // __has_extension(c_static_assert) 787#endif // _LIBCPP_CXX03_LANG 788 789#ifdef _LIBCPP_HAS_NO_DECLTYPE 790// GCC 4.6 provides __decltype in all standard modes. 791#if __has_keyword(__decltype) || _LIBCPP_CLANG_VER >= 304 || _GNUC_VER >= 406 792# define decltype(__x) __decltype(__x) 793#else 794# define decltype(__x) __typeof__(__x) 795#endif 796#endif 797 798#ifdef _LIBCPP_HAS_NO_CONSTEXPR 799#define _LIBCPP_CONSTEXPR 800#else 801#define _LIBCPP_CONSTEXPR constexpr 802#endif 803 804#ifdef _LIBCPP_CXX03_LANG 805#define _LIBCPP_DEFAULT {} 806#else 807#define _LIBCPP_DEFAULT = default; 808#endif 809 810#ifdef _LIBCPP_CXX03_LANG 811#define _LIBCPP_EQUAL_DELETE 812#else 813#define _LIBCPP_EQUAL_DELETE = delete 814#endif 815 816#ifdef __GNUC__ 817#define _NOALIAS __attribute__((__malloc__)) 818#else 819#define _NOALIAS 820#endif 821 822#if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) || \ 823 (!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions 824# define _LIBCPP_EXPLICIT explicit 825#else 826# define _LIBCPP_EXPLICIT 827#endif 828 829#if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete) 830# define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE 831#endif 832 833#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS 834#define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx 835#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ 836 __lx __v_; \ 837 _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \ 838 _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ 839 _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \ 840 }; 841#else // _LIBCPP_HAS_NO_STRONG_ENUMS 842#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x 843#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) 844#endif // _LIBCPP_HAS_NO_STRONG_ENUMS 845 846#ifdef _LIBCPP_DEBUG 847# if _LIBCPP_DEBUG == 0 848# define _LIBCPP_DEBUG_LEVEL 1 849# elif _LIBCPP_DEBUG == 1 850# define _LIBCPP_DEBUG_LEVEL 2 851# else 852# error Supported values for _LIBCPP_DEBUG are 0 and 1 853# endif 854# if !defined(_LIBCPP_BUILDING_LIBRARY) 855# define _LIBCPP_EXTERN_TEMPLATE(...) 856# endif 857#endif 858 859#ifdef _LIBCPP_DISABLE_EXTERN_TEMPLATE 860#define _LIBCPP_EXTERN_TEMPLATE(...) 861#define _LIBCPP_EXTERN_TEMPLATE2(...) 862#endif 863 864#ifndef _LIBCPP_EXTERN_TEMPLATE 865#define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__; 866#endif 867 868#ifndef _LIBCPP_EXTERN_TEMPLATE2 869#define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__; 870#endif 871 872#if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__) 873#define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63) 874#endif 875 876#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT) || \ 877 defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__) 878#define _LIBCPP_LOCALE__L_EXTENSIONS 1 879#endif 880 881#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) 882// Most unix variants have catopen. These are the specific ones that don't. 883#if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION) 884#define _LIBCPP_HAS_CATOPEN 1 885#endif 886#endif 887 888#ifdef __FreeBSD__ 889#define _DECLARE_C99_LDBL_MATH 1 890#endif 891 892#if defined(__APPLE__) 893# if !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \ 894 defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) 895# define __MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ 896# endif 897# if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) 898# if __MAC_OS_X_VERSION_MIN_REQUIRED < 1060 899# define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION 900# endif 901# endif 902#endif // defined(__APPLE__) 903 904#if defined(__APPLE__) || defined(__FreeBSD__) 905#define _LIBCPP_HAS_DEFAULTRUNELOCALE 906#endif 907 908#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) 909#define _LIBCPP_WCTYPE_IS_MASK 910#endif 911 912#ifndef _LIBCPP_STD_VER 913# if __cplusplus <= 201103L 914# define _LIBCPP_STD_VER 11 915# elif __cplusplus <= 201402L 916# define _LIBCPP_STD_VER 14 917# else 918# define _LIBCPP_STD_VER 16 // current year, or date of c++17 ratification 919# endif 920#endif // _LIBCPP_STD_VER 921 922#if _LIBCPP_STD_VER > 11 923#define _LIBCPP_DEPRECATED [[deprecated]] 924#else 925#define _LIBCPP_DEPRECATED 926#endif 927 928#if _LIBCPP_STD_VER <= 11 929#define _LIBCPP_EXPLICIT_AFTER_CXX11 930#define _LIBCPP_DEPRECATED_AFTER_CXX11 931#else 932#define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit 933#define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]] 934#endif 935 936#if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) 937#define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr 938#else 939#define _LIBCPP_CONSTEXPR_AFTER_CXX11 940#endif 941 942#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) 943#define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr 944#else 945#define _LIBCPP_CONSTEXPR_AFTER_CXX14 946#endif 947 948// FIXME: Remove all usages of this macro once compilers catch up. 949#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606L) 950# define _LIBCPP_HAS_NO_INLINE_VARIABLES 951#endif 952 953#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES 954# define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x) 955#else 956# define _LIBCPP_EXPLICIT_MOVE(x) (x) 957#endif 958 959#ifndef _LIBCPP_HAS_NO_ASAN 960_LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( 961 const void *, const void *, const void *, const void *); 962#endif 963 964// Try to find out if RTTI is disabled. 965// g++ and cl.exe have RTTI on by default and define a macro when it is. 966// g++ only defines the macro in 4.3.2 and onwards. 967#if !defined(_LIBCPP_NO_RTTI) 968# if defined(__GNUC__) && ((__GNUC__ >= 5) || (__GNUC__ == 4 && \ 969 (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && !defined(__GXX_RTTI) 970# define _LIBCPP_NO_RTTI 971# elif defined(_LIBCPP_MSVC) && !defined(_CPPRTTI) 972# define _LIBCPP_NO_RTTI 973# endif 974#endif 975 976#ifndef _LIBCPP_WEAK 977# define _LIBCPP_WEAK __attribute__((__weak__)) 978#endif 979 980// Thread API 981#if !defined(_LIBCPP_HAS_NO_THREADS) && \ 982 !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \ 983 !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) 984# if defined(__FreeBSD__) || \ 985 defined(__Fuchsia__) || \ 986 defined(__NetBSD__) || \ 987 defined(__linux__) || \ 988 defined(__APPLE__) || \ 989 defined(__CloudABI__) || \ 990 defined(__sun__) 991# define _LIBCPP_HAS_THREAD_API_PTHREAD 992# elif defined(_LIBCPP_WIN32API) 993# define _LIBCPP_HAS_THREAD_API_WIN32 994# else 995# error "No thread API" 996# endif // _LIBCPP_HAS_THREAD_API 997#endif // _LIBCPP_HAS_NO_THREADS 998 999#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD) 1000# error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \ 1001 _LIBCPP_HAS_NO_THREADS is not defined. 1002#endif 1003 1004#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) 1005# error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \ 1006 _LIBCPP_HAS_NO_THREADS is defined. 1007#endif 1008 1009#if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS) 1010# error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \ 1011 _LIBCPP_HAS_NO_THREADS is defined. 1012#endif 1013 1014// Systems that use capability-based security (FreeBSD with Capsicum, 1015// Nuxi CloudABI) may only provide local filesystem access (using *at()). 1016// Functions like open(), rename(), unlink() and stat() should not be 1017// used, as they attempt to access the global filesystem namespace. 1018#ifdef __CloudABI__ 1019#define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE 1020#endif 1021 1022// CloudABI is intended for running networked services. Processes do not 1023// have standard input and output channels. 1024#ifdef __CloudABI__ 1025#define _LIBCPP_HAS_NO_STDIN 1026#define _LIBCPP_HAS_NO_STDOUT 1027#endif 1028 1029#if defined(__BIONIC__) || defined(__CloudABI__) || \ 1030 defined(__Fuchsia__) || defined(_LIBCPP_HAS_MUSL_LIBC) 1031#define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE 1032#endif 1033 1034// Thread-unsafe functions such as strtok() and localtime() 1035// are not available. 1036#ifdef __CloudABI__ 1037#define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS 1038#endif 1039 1040#if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic) 1041#define _LIBCPP_HAS_C_ATOMIC_IMP 1042#elif _GNUC_VER > 407 1043#define _LIBCPP_HAS_GCC_ATOMIC_IMP 1044#endif 1045 1046#if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \ 1047 || defined(_LIBCPP_HAS_NO_THREADS) 1048#define _LIBCPP_HAS_NO_ATOMIC_HEADER 1049#endif 1050 1051#ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK 1052#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK 1053#endif 1054 1055#if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS) 1056#if defined(__clang__) && __has_attribute(acquire_capability) 1057// Work around the attribute handling in clang. When both __declspec and 1058// __attribute__ are present, the processing goes awry preventing the definition 1059// of the types. 1060#if !defined(_LIBCPP_OBJECT_FORMAT_COFF) 1061#define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS 1062#endif 1063#endif 1064#endif 1065 1066#if __has_attribute(require_constant_initialization) 1067#define _LIBCPP_SAFE_STATIC __attribute__((__require_constant_initialization__)) 1068#else 1069#define _LIBCPP_SAFE_STATIC 1070#endif 1071 1072#if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700 1073# define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF 1074#endif 1075 1076#if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS) 1077#if defined(_LIBCPP_MSVCRT) || defined(_NEWLIB_VERSION) 1078#define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS 1079#endif 1080#endif 1081 1082#if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS) 1083# define _LIBCPP_DIAGNOSE_WARNING(...) \ 1084 __attribute__((diagnose_if(__VA_ARGS__, "warning"))) 1085# define _LIBCPP_DIAGNOSE_ERROR(...) \ 1086 __attribute__((diagnose_if(__VA_ARGS__, "error"))) 1087#else 1088# define _LIBCPP_DIAGNOSE_WARNING(...) 1089# define _LIBCPP_DIAGNOSE_ERROR(...) 1090#endif 1091 1092#if defined(_LIBCPP_ABI_MICROSOFT) && \ 1093 (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases)) 1094# define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases) 1095#else 1096# define _LIBCPP_DECLSPEC_EMPTY_BASES 1097#endif 1098 1099#if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES) 1100# define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR 1101# define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS 1102# define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE 1103# define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS 1104#endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES 1105 1106#if !defined(__cpp_deduction_guides) || __cpp_deduction_guides < 201611 1107# define _LIBCPP_HAS_NO_DEDUCTION_GUIDES 1108#endif 1109 1110#if !__has_keyword(__is_aggregate) && (_GNUC_VER_NEW < 7001) 1111# define _LIBCPP_HAS_NO_IS_AGGREGATE 1112#endif 1113 1114#endif // __cplusplus 1115 1116#endif // _LIBCPP_CONFIG 1117