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