1// -*- C++ -*- 2//===--------------------------- __config ---------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is dual licensed under the MIT and the University of Illinois Open 7// Source Licenses. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11#ifndef _LIBCPP_CONFIG 12#define _LIBCPP_CONFIG 13 14#if !defined(_MSC_VER) || defined(__clang__) 15#pragma GCC system_header 16#endif 17 18#ifdef __GNUC__ 19#define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__) 20#endif 21 22#define _LIBCPP_VERSION 1101 23 24#define _LIBCPP_ABI_VERSION 1 25 26#define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y 27#define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) 28 29#define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) 30 31#ifdef __LITTLE_ENDIAN__ 32#if __LITTLE_ENDIAN__ 33#define _LIBCPP_LITTLE_ENDIAN 1 34#define _LIBCPP_BIG_ENDIAN 0 35#endif // __LITTLE_ENDIAN__ 36#endif // __LITTLE_ENDIAN__ 37 38#ifdef __BIG_ENDIAN__ 39#if __BIG_ENDIAN__ 40#define _LIBCPP_LITTLE_ENDIAN 0 41#define _LIBCPP_BIG_ENDIAN 1 42#endif // __BIG_ENDIAN__ 43#endif // __BIG_ENDIAN__ 44 45#ifdef __FreeBSD__ 46# include <sys/endian.h> 47# if _BYTE_ORDER == _LITTLE_ENDIAN 48# define _LIBCPP_LITTLE_ENDIAN 1 49# define _LIBCPP_BIG_ENDIAN 0 50# else // _BYTE_ORDER == _LITTLE_ENDIAN 51# define _LIBCPP_LITTLE_ENDIAN 0 52# define _LIBCPP_BIG_ENDIAN 1 53# endif // _BYTE_ORDER == _LITTLE_ENDIAN 54# ifndef __LONG_LONG_SUPPORTED 55# define _LIBCPP_HAS_NO_LONG_LONG 56# endif // __LONG_LONG_SUPPORTED 57#endif // __FreeBSD__ 58 59#ifdef __NetBSD__ 60# include <sys/endian.h> 61# if _BYTE_ORDER == _LITTLE_ENDIAN 62# define _LIBCPP_LITTLE_ENDIAN 1 63# define _LIBCPP_BIG_ENDIAN 0 64# else // _BYTE_ORDER == _LITTLE_ENDIAN 65# define _LIBCPP_LITTLE_ENDIAN 0 66# define _LIBCPP_BIG_ENDIAN 1 67# endif // _BYTE_ORDER == _LITTLE_ENDIAN 68# define _LIBCPP_HAS_QUICK_EXIT 69#endif // __NetBSD__ 70 71#ifdef _WIN32 72# define _LIBCPP_LITTLE_ENDIAN 1 73# define _LIBCPP_BIG_ENDIAN 0 74// Compiler intrinsics (GCC or MSVC) 75# if defined(__clang__) \ 76 || (defined(_MSC_VER) && _MSC_VER >= 1400) \ 77 || (defined(__GNUC__) && _GNUC_VER > 403) 78# define _LIBCPP_HAS_IS_BASE_OF 79# endif 80# if defined(_MSC_VER) && !defined(__clang__) 81# define _LIBCPP_MSVC // Using Microsoft Visual C++ compiler 82# define _LIBCPP_TOSTRING2(x) #x 83# define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) 84# define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x)) 85# endif 86# // If mingw not explicitly detected, assume using MS C runtime only. 87# ifndef __MINGW32__ 88# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library 89# endif 90#endif // _WIN32 91 92#ifdef __linux__ 93# if defined(__GNUC__) && _GNUC_VER >= 403 94# define _LIBCPP_HAS_IS_BASE_OF 95# endif 96#endif 97 98#ifdef __sun__ 99# include <sys/isa_defs.h> 100# ifdef _LITTLE_ENDIAN 101# define _LIBCPP_LITTLE_ENDIAN 1 102# define _LIBCPP_BIG_ENDIAN 0 103# else 104# define _LIBCPP_LITTLE_ENDIAN 0 105# define _LIBCPP_BIG_ENDIAN 1 106# endif 107#endif // __sun__ 108 109#if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) 110# include <endian.h> 111# if __BYTE_ORDER == __LITTLE_ENDIAN 112# define _LIBCPP_LITTLE_ENDIAN 1 113# define _LIBCPP_BIG_ENDIAN 0 114# elif __BYTE_ORDER == __BIG_ENDIAN 115# define _LIBCPP_LITTLE_ENDIAN 0 116# define _LIBCPP_BIG_ENDIAN 1 117# else // __BYTE_ORDER == __BIG_ENDIAN 118# error unable to determine endian 119# endif 120#endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) 121 122#ifdef _WIN32 123 124// only really useful for a DLL 125#ifdef _LIBCPP_DLL // this should be a compiler builtin define ideally... 126# ifdef cxx_EXPORTS 127# define _LIBCPP_HIDDEN 128# define _LIBCPP_FUNC_VIS __declspec(dllexport) 129# define _LIBCPP_TYPE_VIS __declspec(dllexport) 130# else 131# define _LIBCPP_HIDDEN 132# define _LIBCPP_FUNC_VIS __declspec(dllimport) 133# define _LIBCPP_TYPE_VIS __declspec(dllimport) 134# endif 135#else 136# define _LIBCPP_HIDDEN 137# define _LIBCPP_FUNC_VIS 138# define _LIBCPP_TYPE_VIS 139#endif 140 141#define _LIBCPP_TYPE_VIS_ONLY 142#define _LIBCPP_FUNC_VIS_ONLY 143 144#ifndef _LIBCPP_INLINE_VISIBILITY 145# ifdef _LIBCPP_MSVC 146# define _LIBCPP_INLINE_VISIBILITY __forceinline 147# else // MinGW GCC and Clang 148# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) 149# endif 150#endif 151 152#ifndef _LIBCPP_EXCEPTION_ABI 153#define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS 154#endif 155 156#ifndef _LIBCPP_ALWAYS_INLINE 157# ifdef _LIBCPP_MSVC 158# define _LIBCPP_ALWAYS_INLINE __forceinline 159# endif 160#endif 161 162#endif // _WIN32 163 164#ifndef __has_attribute 165#define __has_attribute(__x) 0 166#endif 167 168#ifndef _LIBCPP_HIDDEN 169#define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) 170#endif 171 172#ifndef _LIBCPP_FUNC_VIS 173#define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default"))) 174#endif 175 176#ifndef _LIBCPP_TYPE_VIS 177# if __has_attribute(__type_visibility__) 178# define _LIBCPP_TYPE_VIS __attribute__ ((__type_visibility__("default"))) 179# else 180# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) 181# endif 182#endif 183 184#ifndef _LIBCPP_TYPE_VIS_ONLY 185# define _LIBCPP_TYPE_VIS_ONLY _LIBCPP_TYPE_VIS 186#endif 187 188#ifndef _LIBCPP_FUNC_VIS_ONLY 189# define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS 190#endif 191 192#ifndef _LIBCPP_INLINE_VISIBILITY 193#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__)) 194#define _LIBCPP_INLINE_VISIBILITY_EXCEPT_GCC49 _LIBCPP_INLINE_VISIBILITY 195#endif 196 197#ifndef _LIBCPP_EXCEPTION_ABI 198#define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default"))) 199#endif 200 201#ifndef _LIBCPP_ALWAYS_INLINE 202#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__)) 203#define _LIBCPP_ALWAYS_INLINE_EXCEPT_GCC49 _LIBCPP_ALWAYS_INLINE 204#endif 205 206#if defined(__clang__) 207 208#if defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \ 209 !defined(__arm__) 210#define _LIBCPP_ALTERNATE_STRING_LAYOUT 211#endif 212 213#if __has_feature(cxx_alignas) 214# define _ALIGNAS_TYPE(x) alignas(x) 215# define _ALIGNAS(x) alignas(x) 216#else 217# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 218# define _ALIGNAS(x) __attribute__((__aligned__(x))) 219#endif 220 221#if !__has_feature(cxx_alias_templates) 222#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 223#endif 224 225#if __cplusplus < 201103L 226#ifdef __linux__ 227#define _LIBCPP_HAS_NO_UNICODE_CHARS 228#else 229typedef __char16_t char16_t; 230typedef __char32_t char32_t; 231#endif 232#endif 233 234#if !(__has_feature(cxx_exceptions)) 235#define _LIBCPP_NO_EXCEPTIONS 236#endif 237 238#if !(__has_feature(cxx_rtti)) 239#define _LIBCPP_NO_RTTI 240#endif 241 242#if !(__has_feature(cxx_strong_enums)) 243#define _LIBCPP_HAS_NO_STRONG_ENUMS 244#endif 245 246#if !(__has_feature(cxx_decltype)) 247#define _LIBCPP_HAS_NO_DECLTYPE 248#endif 249 250#if __has_feature(cxx_attributes) 251# define _LIBCPP_NORETURN [[noreturn]] 252#else 253# define _LIBCPP_NORETURN __attribute__ ((noreturn)) 254#endif 255 256#if !(__has_feature(cxx_defaulted_functions)) 257#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 258#endif // !(__has_feature(cxx_defaulted_functions)) 259 260#if !(__has_feature(cxx_deleted_functions)) 261#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS 262#endif // !(__has_feature(cxx_deleted_functions)) 263 264#if !(__has_feature(cxx_lambdas)) 265#define _LIBCPP_HAS_NO_LAMBDAS 266#endif 267 268#if !(__has_feature(cxx_nullptr)) 269#define _LIBCPP_HAS_NO_NULLPTR 270#endif 271 272#if !(__has_feature(cxx_rvalue_references)) 273#define _LIBCPP_HAS_NO_RVALUE_REFERENCES 274#endif 275 276#if !(__has_feature(cxx_static_assert)) 277#define _LIBCPP_HAS_NO_STATIC_ASSERT 278#endif 279 280#if !(__has_feature(cxx_auto_type)) 281#define _LIBCPP_HAS_NO_AUTO_TYPE 282#endif 283 284#if !(__has_feature(cxx_access_control_sfinae)) || !__has_feature(cxx_trailing_return) 285#define _LIBCPP_HAS_NO_ADVANCED_SFINAE 286#endif 287 288#if !(__has_feature(cxx_variadic_templates)) 289#define _LIBCPP_HAS_NO_VARIADICS 290#endif 291 292#if !(__has_feature(cxx_trailing_return)) 293#define _LIBCPP_HAS_NO_TRAILING_RETURN 294#endif 295 296#if !(__has_feature(cxx_generalized_initializers)) 297#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 298#endif 299 300#if __has_feature(is_base_of) 301# define _LIBCPP_HAS_IS_BASE_OF 302#endif 303 304// Objective-C++ features (opt-in) 305#if __has_feature(objc_arc) 306#define _LIBCPP_HAS_OBJC_ARC 307#endif 308 309#if __has_feature(objc_arc_weak) 310#define _LIBCPP_HAS_OBJC_ARC_WEAK 311#define _LIBCPP_HAS_NO_STRONG_ENUMS 312#endif 313 314#if !(__has_feature(cxx_constexpr)) 315#define _LIBCPP_HAS_NO_CONSTEXPR 316#endif 317 318#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 319#if defined(__FreeBSD__) 320#define _LIBCPP_HAS_QUICK_EXIT 321#define _LIBCPP_HAS_C11_FEATURES 322#elif defined(__linux__) && defined(__GLIBC__) 323#include <features.h> 324#if __GLIBC_PREREQ(2, 15) 325#define _LIBCPP_HAS_QUICK_EXIT 326#endif 327#if __GLIBC_PREREQ(2, 17) 328#define _LIBCPP_HAS_C11_FEATURES 329#endif 330#endif 331#endif 332 333#if (__has_feature(cxx_noexcept)) 334# define _NOEXCEPT noexcept 335# define _NOEXCEPT_(x) noexcept(x) 336# define _NOEXCEPT_OR_FALSE(x) noexcept(x) 337#else 338# define _NOEXCEPT throw() 339# define _NOEXCEPT_(x) 340# define _NOEXCEPT_OR_FALSE(x) false 341#endif 342 343#if __has_feature(underlying_type) 344# define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) 345#endif 346 347#if __has_feature(is_literal) 348# define _LIBCPP_IS_LITERAL(T) __is_literal(T) 349#endif 350 351// Inline namespaces are available in Clang regardless of C++ dialect. 352#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { 353#define _LIBCPP_END_NAMESPACE_STD } } 354#define _VSTD std::_LIBCPP_NAMESPACE 355 356namespace std { 357 inline namespace _LIBCPP_NAMESPACE { 358 } 359} 360 361#if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer) 362#define _LIBCPP_HAS_NO_ASAN 363#endif 364 365#elif defined(__GNUC__) 366 367// FixME: GCC4.9 fails some always_inline cases 368# if (_GNUC_VER == 409) 369#undef _LIBCPP_ALWAYS_INLINE_EXCEPT_GCC49 370#define _LIBCPP_ALWAYS_INLINE_EXCEPT_GCC49 inline 371#undef _LIBCPP_INLINE_VISIBILITY_EXCEPT_GCC49 372#define _LIBCPP_INLINE_VISIBILITY_EXCEPT_GCC49 373#endif 374 375#define _ALIGNAS(x) __attribute__((__aligned__(x))) 376#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 377 378#define _LIBCPP_NORETURN __attribute__((noreturn)) 379 380#if _GNUC_VER >= 407 381#define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) 382#define _LIBCPP_IS_LITERAL(T) __is_literal_type(T) 383#endif 384 385#if !__EXCEPTIONS 386#define _LIBCPP_NO_EXCEPTIONS 387#endif 388 389#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 390 391// constexpr was added to GCC in 4.6 392#if _GNUC_VER < 406 393#define _LIBCPP_HAS_NO_CONSTEXPR 394// Can only use constexpr in c++11 mode. 395#elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L 396#define _LIBCPP_HAS_NO_CONSTEXPR 397#endif 398 399#define _NOEXCEPT throw() 400#define _NOEXCEPT_(x) 401#define _NOEXCEPT_OR_FALSE(x) false 402 403#ifndef __GXX_EXPERIMENTAL_CXX0X__ 404 405#define _LIBCPP_HAS_NO_ADVANCED_SFINAE 406#define _LIBCPP_HAS_NO_DECLTYPE 407#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 408#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS 409#define _LIBCPP_HAS_NO_NULLPTR 410#define _LIBCPP_HAS_NO_STATIC_ASSERT 411#define _LIBCPP_HAS_NO_UNICODE_CHARS 412#define _LIBCPP_HAS_NO_VARIADICS 413#define _LIBCPP_HAS_NO_RVALUE_REFERENCES 414#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS 415#define _LIBCPP_HAS_NO_STRONG_ENUMS 416 417#else // __GXX_EXPERIMENTAL_CXX0X__ 418 419#define _LIBCPP_HAS_NO_TRAILING_RETURN 420#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS 421 422#if _GNUC_VER < 403 423#define _LIBCPP_HAS_NO_RVALUE_REFERENCES 424#endif 425 426#if _GNUC_VER < 403 427#define _LIBCPP_HAS_NO_STATIC_ASSERT 428#endif 429 430#if _GNUC_VER < 404 431#define _LIBCPP_HAS_NO_DECLTYPE 432#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS 433#define _LIBCPP_HAS_NO_UNICODE_CHARS 434#define _LIBCPP_HAS_NO_VARIADICS 435#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 436#endif // _GNUC_VER < 404 437 438#if _GNUC_VER < 406 439#define _LIBCPP_HAS_NO_NULLPTR 440#endif 441 442#if _GNUC_VER < 407 443#define _LIBCPP_HAS_NO_ADVANCED_SFINAE 444#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 445#endif 446 447#endif // __GXX_EXPERIMENTAL_CXX0X__ 448 449#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE { 450#define _LIBCPP_END_NAMESPACE_STD } } 451#define _VSTD std::_LIBCPP_NAMESPACE 452 453namespace std { 454namespace _LIBCPP_NAMESPACE { 455} 456using namespace _LIBCPP_NAMESPACE __attribute__((__strong__)); 457} 458 459#if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__) 460#define _LIBCPP_HAS_NO_ASAN 461#endif 462 463// Emulation of clang's __has_feature() for GCC on known cases 464#undef __has_feature 465#define __has_feature(__x) __gxx__ ## __x 466 467#define __gxx__cxx_access_control_sfinae !defined(_LIBCPP_HAS_NO_TRAILING_RETURN) || !defined(_LIBCPP_HAS_NO_ADVANCED_SFINAE) // Also see usage in 7 tests 468#define __gxx__cxx_alias_templates !defined(_LIBCPP_HAS_NO_TEMPLATE_ALIASES) 469#define __gxx__cxx_address_sanitizer !defined(_LIBCPP_HAS_NO_ASAN) 470#define __gxx__cxx_alignas 0 // Not sure, doesn't matter. 471#define __gxx__cxx_atomic (_GNUC_VER >= 407) 472#define __gxx__cxx_attributes 0 // Not sure. Also see usage in libcxx/test/utilities/meta/meta.unary/meta.unary.prop/is_polymorphic.pass.cpp 473#define __gxx__cxx_auto_type !defined(_LIBCPP_HAS_NO_AUTO_TYPE) 474#define __gxx__cxx_constexpr !defined(_LIBCPP_HAS_NO_CONSTEXPR) 475#define __gxx__cxx_decltype !defined(_LIBCPP_HAS_NO_DECLTYPE) 476#define __gxx__cxx_defaulted_functions !defined(_LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS) // libcxx/test/utilities/meta/meta.unary/meta.unary.prop/is_trivially_move_constructible.pass.cpp 477#define __gxx__cxx_deleted_functions !defined(_LIBCPP_HAS_NO_DELETED_FUNCTIONS) 478#define __gxx__cxx_exceptions !defined(_LIBCPP_NO_EXCEPTIONS) 479#define __gxx__cxx_explicit_conversions (_GNUC_VER >= 405) 480#define __gxx__cxx_generalized_initializers !defined(_LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS) 481#define __gxx__cxx_lambdas !defined(_LIBCPP_HAS_NO_LAMBDAS) 482#define __gxx__cxx_noexcept 0 // Not sure, doesn't matter. 483#define __gxx__cxx_nullptr !defined(_LIBCPP_HAS_NO_NULLPTR) 484#define __gxx__cxx_reference_qualified_functions (_GNUC_VER >= 408) // Since 4.8.1 485#ifdef _LIBCPP_NO_RTTI 486#define __gxx__cxx_rtti 0 487#else 488#define __gxx__cxx_rtti __GXX_RTTI 489#endif 490#define __gxx__cxx_rvalue_references !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 491#define __gxx__cxx_static_assert !defined(_LIBCPP_HAS_NO_STATIC_ASSERT) 492#define __gxx__cxx_strong_enums !defined(_LIBCPP_HAS_NO_STRONG_ENUMS) // See usage in libcxx/test/utilities/meta/meta.trans/meta.trans.other/underlying_type.pass.cpp 493#define __gxx__cxx_trailing_return !defined(_LIBCPP_HAS_NO_TRAILING_RETURN) 494#define __gxx__cxx_unrestricted_unions 1 // Not sure. Also See usage in libcxx/test/utilities/meta/meta.unary/meta.unary.prop/is_nothrow_destructible.pass.cpp 495#define __gxx__cxx_variadic_templates !defined(_LIBCPP_HAS_NO_VARIADICS) 496#define __gxx__has_nothrow_assign (_GNUC_VER >= 403) // See usage in libcxx/include/type_traits 497#define __gxx__has_nothrow_constructor (_GNUC_VER >= 403) // See usage in libcxx/include/type_traits 498#define __gxx__has_nothrow_copy (_GNUC_VER >= 403) // See usage in libcxx/include/type_traits 499#define __gxx__has_trivial_constructor (_GNUC_VER >= 403) // See usage in libcxx/include/type_traits 500#define __gxx__has_trivial_destructor (_GNUC_VER >= 403) // See usage in libcxx/include/type_traits 501#define __gxx__has_virtual_destructor (_GNUC_VER >= 403) // See usage in libcxx/include/type_traits 502#define __gxx__is_base_of !defined(_LIBCPP_HAS_IS_BASE_OF) // See usage in libcxx/include/type_traits 503#define __gxx__is_class (_GNUC_VER >= 403) // See usage in libcxx/include/type_traits 504#define __gxx__is_convertible_to 0 // Not supported in GCC 4.8. Also see usage in libcxx/include/type_traits 505#define __gxx__is_empty 1 // Not sure. Also see usage in libcxx/include/type_traits 506#define __gxx__is_enum (_GNUC_VER >= 403) // See usage in libcxx/include/type_traits 507#define __gxx__is_final (_GNUC_VER >= 408) // Not if 4.7 work. 4.6 certainly not. Also see usage in libcxx/include/unordered_map,tuple,ext/hash_map,map,memory 508#define __gxx__is_literal defined(_LIBCPP_IS_LITERAL) 509#define __gxx__is_pod (_GNUC_VER >= 403) // See usage in libcxx/include/type_traits 510#define __gxx__is_polymorphic 1 // Not sure. Also see usage in libcxx/include/type_traits 511#define __gxx__is_standard_layout 1 // Not sure. Also see usage in libcxx/include/type_traits 512#define __gxx__is_trivial 0 // Not supported in GCC 4.8. Also see usage in libcxx/include/type_traits 513#define __gxx__is_trivially_constructible 0 // Not supported in GCC 4.8. Also see usage in libcxx/include/type_traits 514#define __gxx__is_trivially_copyable 0 // Not supported in GCC 4.8. Also see usage in libcxx/include/type_traits 515#define __gxx__is_union (_GNUC_VER >= 403) // See usage in libcxx/include/type_traits 516#define __gxx__objc_arc defined(_LIBCPP_HAS_OBJC_ARC) 517#define __gxx__objc_arc_weak defined(_LIBCPP_HAS_OBJC_ARC_WEAK) 518#define __gxx__underlying_type defined(_LIBCPP_UNDERLYING_TYPE) 519 520 521#elif defined(_LIBCPP_MSVC) 522 523#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 524#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER 525#define _LIBCPP_HAS_NO_CONSTEXPR 526#define _LIBCPP_HAS_NO_UNICODE_CHARS 527#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS 528#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 529#define __alignof__ __alignof 530#define _LIBCPP_NORETURN __declspec(noreturn) 531#define _ALIGNAS(x) __declspec(align(x)) 532#define _LIBCPP_HAS_NO_VARIADICS 533 534#define _NOEXCEPT throw () 535#define _NOEXCEPT_(x) 536#define _NOEXCEPT_OR_FALSE(x) false 537 538#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { 539#define _LIBCPP_END_NAMESPACE_STD } 540#define _VSTD std 541 542# define _LIBCPP_WEAK 543namespace std { 544} 545 546#define _LIBCPP_HAS_NO_ASAN 547 548#elif defined(__IBMCPP__) 549 550#define _ALIGNAS(x) __attribute__((__aligned__(x))) 551#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) 552#define _ATTRIBUTE(x) __attribute__((x)) 553#define _LIBCPP_NORETURN __attribute__((noreturn)) 554 555#define _NOEXCEPT throw() 556#define _NOEXCEPT_(x) 557#define _NOEXCEPT_OR_FALSE(x) false 558 559#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES 560#define _LIBCPP_HAS_NO_ADVANCED_SFINAE 561#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS 562#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS 563#define _LIBCPP_HAS_NO_NULLPTR 564#define _LIBCPP_HAS_NO_UNICODE_CHARS 565#define _LIBCPP_HAS_IS_BASE_OF 566 567#if defined(_AIX) 568#define __MULTILOCALE_API 569#endif 570 571#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { 572#define _LIBCPP_END_NAMESPACE_STD } } 573#define _VSTD std::_LIBCPP_NAMESPACE 574 575namespace std { 576 inline namespace _LIBCPP_NAMESPACE { 577 } 578} 579 580#define _LIBCPP_HAS_NO_ASAN 581 582#endif // __clang__ || __GNUC__ || _MSC_VER || __IBMCPP__ 583 584#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS 585typedef unsigned short char16_t; 586typedef unsigned int char32_t; 587#endif // _LIBCPP_HAS_NO_UNICODE_CHARS 588 589#ifndef __SIZEOF_INT128__ 590#define _LIBCPP_HAS_NO_INT128 591#endif 592 593#ifdef _LIBCPP_HAS_NO_STATIC_ASSERT 594 595template <bool> struct __static_assert_test; 596template <> struct __static_assert_test<true> {}; 597template <unsigned> struct __static_assert_check {}; 598#define static_assert(__b, __m) \ 599 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \ 600 _LIBCPP_CONCAT(__t, __LINE__) 601 602#endif // _LIBCPP_HAS_NO_STATIC_ASSERT 603 604#ifdef _LIBCPP_HAS_NO_DECLTYPE 605#define decltype(x) __typeof__(x) 606#endif 607 608#ifdef _LIBCPP_HAS_NO_CONSTEXPR 609#define _LIBCPP_CONSTEXPR 610#else 611#define _LIBCPP_CONSTEXPR constexpr 612#endif 613 614#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 615#define _LIBCPP_DEFAULT {} 616#else 617#define _LIBCPP_DEFAULT = default; 618#endif 619 620#ifdef __GNUC__ 621#define _NOALIAS __attribute__((__malloc__)) 622#else 623#define _NOALIAS 624#endif 625 626#ifndef __has_feature 627#define __has_feature(__x) 0 628#endif 629 630#if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) 631# define _LIBCPP_EXPLICIT explicit 632#else 633# define _LIBCPP_EXPLICIT 634#endif 635 636#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS 637#define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx 638#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ 639 __lx __v_; \ 640 _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \ 641 _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ 642 _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \ 643 }; 644#else // _LIBCPP_HAS_NO_STRONG_ENUMS 645#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS x 646#define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) 647#endif // _LIBCPP_HAS_NO_STRONG_ENUMS 648 649#ifdef _LIBCPP_DEBUG 650# if _LIBCPP_DEBUG == 0 651# define _LIBCPP_DEBUG_LEVEL 1 652# elif _LIBCPP_DEBUG == 1 653# define _LIBCPP_DEBUG_LEVEL 2 654# else 655# error Supported values for _LIBCPP_DEBUG are 0 and 1 656# endif 657# define _LIBCPP_EXTERN_TEMPLATE(...) 658#endif 659 660#ifndef _LIBCPP_EXTERN_TEMPLATE 661#define _LIBCPP_EXTERN_TEMPLATE(...) 662#endif 663 664#ifndef _LIBCPP_EXTERN_TEMPLATE2 665#define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__; 666#endif 667 668#if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__) 669#define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63) 670#endif 671 672#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || defined(__sun__) || defined(__NetBSD__) 673#define _LIBCPP_LOCALE__L_EXTENSIONS 1 674#endif 675 676#ifdef __FreeBSD__ 677#define _DECLARE_C99_LDBL_MATH 1 678#endif 679 680#if defined(__APPLE__) || defined(__FreeBSD__) 681#define _LIBCPP_HAS_DEFAULTRUNELOCALE 682#endif 683 684#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) 685#define _LIBCPP_WCTYPE_IS_MASK 686#endif 687 688#ifndef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 689# define _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 1 690#endif 691 692#ifndef _LIBCPP_STD_VER 693# if __cplusplus <= 201103L 694# define _LIBCPP_STD_VER 11 695# else 696# define _LIBCPP_STD_VER 13 // current year, or date of c++14 ratification 697# endif 698#endif // _LIBCPP_STD_VER 699 700#if _LIBCPP_STD_VER > 11 701#define _LIBCPP_DEPRECATED [[deprecated]] 702#else 703#define _LIBCPP_DEPRECATED 704#endif 705 706#if _LIBCPP_STD_VER <= 11 707#define _LIBCPP_CONSTEXPR_AFTER_CXX11 708#define _LIBCPP_EXPLICIT_AFTER_CXX11 709#define _LIBCPP_DEPRECATED_AFTER_CXX11 710#else 711#define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr 712#define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit 713#define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]] 714#endif 715 716#ifndef _LIBCPP_HAS_NO_ASAN 717extern "C" void __sanitizer_annotate_contiguous_container( 718 const void *, const void *, const void *, const void *); 719#endif 720 721// Try to find out if RTTI is disabled. 722// g++ and cl.exe have RTTI on by default and define a macro when it is. 723// g++ only defines the macro in 4.3.2 and onwards. 724#if !defined(_LIBCPP_NO_RTTI) 725# if defined(__GNUG__) && ((__GNUC__ >= 5 ) || (__GNUC__ == 4 && \ 726 (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && !defined(__GXX_RTTI) 727# define _LIBCPP_NO_RTTI 728# elif (defined(_MSC_VER) && !defined(__clang__)) && !defined(_CPPRTTI) 729# define _LIBCPP_NO_RTTI 730# endif 731#endif 732 733#ifndef _LIBCPP_WEAK 734# define _LIBCPP_WEAK __attribute__((__weak__)) 735#endif 736 737#endif // _LIBCPP_CONFIG 738