// -*- C++ -*- //===--------------------------- __config ---------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_CONFIG #define _LIBCPP_CONFIG #if defined(_MSC_VER) && !defined(__clang__) # if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER # endif #endif #ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER #pragma GCC system_header #endif #ifdef __cplusplus #ifdef __GNUC__ # define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__) // The _GNUC_VER_NEW macro better represents the new GCC versioning scheme // introduced in GCC 5.0. # define _GNUC_VER_NEW (_GNUC_VER * 10 + __GNUC_PATCHLEVEL__) #else # define _GNUC_VER 0 # define _GNUC_VER_NEW 0 #endif #define _LIBCPP_VERSION 8000 #ifndef _LIBCPP_ABI_VERSION # define _LIBCPP_ABI_VERSION 1 #endif #ifndef _LIBCPP_STD_VER # if __cplusplus <= 201103L # define _LIBCPP_STD_VER 11 # elif __cplusplus <= 201402L # define _LIBCPP_STD_VER 14 # elif __cplusplus <= 201703L # define _LIBCPP_STD_VER 17 # else # define _LIBCPP_STD_VER 18 // current year, or date of c++2a ratification # endif #endif // _LIBCPP_STD_VER #if defined(__ELF__) # define _LIBCPP_OBJECT_FORMAT_ELF 1 #elif defined(__MACH__) # define _LIBCPP_OBJECT_FORMAT_MACHO 1 #elif defined(_WIN32) # define _LIBCPP_OBJECT_FORMAT_COFF 1 #elif defined(__wasm__) # define _LIBCPP_OBJECT_FORMAT_WASM 1 #else # error Unknown object file format #endif #if defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2 // Change short string representation so that string data starts at offset 0, // improving its alignment in some cases. # define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT // Fix deque iterator type in order to support incomplete types. # define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE // Fix undefined behavior in how std::list stores its linked nodes. # define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB // Fix undefined behavior in how __tree stores its end and parent nodes. # define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB // Fix undefined behavior in how __hash_table stores its pointer types. # define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB # define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB # define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE // Don't use a nullptr_t simulation type in C++03 instead using C++11 nullptr // provided under the alternate keyword __nullptr, which changes the mangling // of nullptr_t. This option is ABI incompatible with GCC in C++03 mode. # define _LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR // Define the `pointer_safety` enum as a C++11 strongly typed enumeration // instead of as a class simulating an enum. If this option is enabled // `pointer_safety` and `get_pointer_safety()` will no longer be available // in C++03. # define _LIBCPP_ABI_POINTER_SAFETY_ENUM_TYPE // Define a key function for `bad_function_call` in the library, to centralize // its vtable and typeinfo to libc++ rather than having all other libraries // using that class define their own copies. # define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION // Enable optimized version of __do_get_(un)signed which avoids redundant copies. # define _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET // Use the smallest possible integer type to represent the index of the variant. // Previously libc++ used "unsigned int" exclusivly. # define _LIBCPP_ABI_VARIANT_INDEX_TYPE_OPTIMIZATION // Unstable attempt to provide a more optimized std::function # define _LIBCPP_ABI_OPTIMIZED_FUNCTION #elif _LIBCPP_ABI_VERSION == 1 # if !defined(_LIBCPP_OBJECT_FORMAT_COFF) // Enable compiling copies of now inline methods into the dylib to support // applications compiled against older libraries. This is unnecessary with // COFF dllexport semantics, since dllexport forces a non-inline definition // of inline functions to be emitted anyway. Our own non-inline copy would // conflict with the dllexport-emitted copy, so we disable it. # define _LIBCPP_DEPRECATED_ABI_LEGACY_LIBRARY_DEFINITIONS_FOR_INLINE_FUNCTIONS # endif // Feature macros for disabling pre ABI v1 features. All of these options // are deprecated. # if defined(__FreeBSD__) # define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR # endif #endif #ifdef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR #error "_LIBCPP_TRIVIAL_PAIR_COPY_CTOR" is no longer supported. \ use _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR instead #endif #define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y #define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) #ifndef _LIBCPP_ABI_NAMESPACE # define _LIBCPP_ABI_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) #endif #if __cplusplus < 201103L #define _LIBCPP_CXX03_LANG #endif #ifndef __has_attribute #define __has_attribute(__x) 0 #endif #ifndef __has_builtin #define __has_builtin(__x) 0 #endif #ifndef __has_extension #define __has_extension(__x) 0 #endif #ifndef __has_feature #define __has_feature(__x) 0 #endif #ifndef __has_cpp_attribute #define __has_cpp_attribute(__x) 0 #endif // '__is_identifier' returns '0' if '__x' is a reserved identifier provided by // the compiler and '1' otherwise. #ifndef __is_identifier #define __is_identifier(__x) 1 #endif #ifndef __has_declspec_attribute #define __has_declspec_attribute(__x) 0 #endif #define __has_keyword(__x) !(__is_identifier(__x)) #ifndef __has_include #define __has_include(...) 0 #endif #if defined(__clang__) # define _LIBCPP_COMPILER_CLANG # ifndef __apple_build_version__ # define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__) # endif #elif defined(__GNUC__) # define _LIBCPP_COMPILER_GCC #elif defined(_MSC_VER) # define _LIBCPP_COMPILER_MSVC #elif defined(__IBMCPP__) # define _LIBCPP_COMPILER_IBM #endif #ifndef _LIBCPP_CLANG_VER #define _LIBCPP_CLANG_VER 0 #endif // FIXME: ABI detection should be done via compiler builtin macros. This // is just a placeholder until Clang implements such macros. For now assume // that Windows compilers pretending to be MSVC++ target the Microsoft ABI, // and allow the user to explicitly specify the ABI to handle cases where this // heuristic falls short. #if defined(_LIBCPP_ABI_FORCE_ITANIUM) && defined(_LIBCPP_ABI_FORCE_MICROSOFT) # error "Only one of _LIBCPP_ABI_FORCE_ITANIUM and _LIBCPP_ABI_FORCE_MICROSOFT can be defined" #elif defined(_LIBCPP_ABI_FORCE_ITANIUM) # define _LIBCPP_ABI_ITANIUM #elif defined(_LIBCPP_ABI_FORCE_MICROSOFT) # define _LIBCPP_ABI_MICROSOFT #else # if defined(_WIN32) && defined(_MSC_VER) # define _LIBCPP_ABI_MICROSOFT # else # define _LIBCPP_ABI_ITANIUM # endif #endif // Need to detect which libc we're using if we're on Linux. #if defined(__linux__) # include # if defined(__GLIBC_PREREQ) # define _LIBCPP_GLIBC_PREREQ(a, b) __GLIBC_PREREQ(a, b) # else # define _LIBCPP_GLIBC_PREREQ(a, b) 0 # endif // defined(__GLIBC_PREREQ) #endif // defined(__linux__) #ifdef __LITTLE_ENDIAN__ # if __LITTLE_ENDIAN__ # define _LIBCPP_LITTLE_ENDIAN # endif // __LITTLE_ENDIAN__ #endif // __LITTLE_ENDIAN__ #ifdef __BIG_ENDIAN__ # if __BIG_ENDIAN__ # define _LIBCPP_BIG_ENDIAN # endif // __BIG_ENDIAN__ #endif // __BIG_ENDIAN__ #ifdef __BYTE_ORDER__ # if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ # define _LIBCPP_LITTLE_ENDIAN # elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ # define _LIBCPP_BIG_ENDIAN # endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ #endif // __BYTE_ORDER__ #ifdef __FreeBSD__ # include # if _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN # else // _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_BIG_ENDIAN # endif // _BYTE_ORDER == _LITTLE_ENDIAN # ifndef __LONG_LONG_SUPPORTED # define _LIBCPP_HAS_NO_LONG_LONG # endif // __LONG_LONG_SUPPORTED #endif // __FreeBSD__ #ifdef __NetBSD__ # include # if _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN # else // _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_BIG_ENDIAN # endif // _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_HAS_QUICK_EXIT #endif // __NetBSD__ #if defined(_WIN32) # define _LIBCPP_WIN32API # define _LIBCPP_LITTLE_ENDIAN # define _LIBCPP_SHORT_WCHAR 1 // Both MinGW and native MSVC provide a "MSVC"-like enviroment # define _LIBCPP_MSVCRT_LIKE // If mingw not explicitly detected, assume using MS C runtime only if // a MS compatibility version is specified. # if defined(_MSC_VER) && !defined(__MINGW32__) # define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library # endif # if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__)) # define _LIBCPP_HAS_BITSCAN64 # endif # define _LIBCPP_HAS_OPEN_WITH_WCHAR # if defined(_LIBCPP_MSVCRT) # define _LIBCPP_HAS_QUICK_EXIT # endif // Some CRT APIs are unavailable to store apps # if defined(WINAPI_FAMILY) # include # if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && \ (!defined(WINAPI_PARTITION_SYSTEM) || \ !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_SYSTEM)) # define _LIBCPP_WINDOWS_STORE_APP # endif # endif #endif // defined(_WIN32) #ifdef __sun__ # include # ifdef _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN # else # define _LIBCPP_BIG_ENDIAN # endif #endif // __sun__ #if defined(__CloudABI__) // Certain architectures provide arc4random(). Prefer using // arc4random() over /dev/{u,}random to make it possible to obtain // random data even when using sandboxing mechanisms such as chroots, // Capsicum, etc. # define _LIBCPP_USING_ARC4_RANDOM #elif defined(__Fuchsia__) # define _LIBCPP_USING_GETENTROPY #elif defined(__native_client__) // NaCl's sandbox (which PNaCl also runs in) doesn't allow filesystem access, // including accesses to the special files under /dev. C++11's // std::random_device is instead exposed through a NaCl syscall. # define _LIBCPP_USING_NACL_RANDOM #elif defined(_LIBCPP_WIN32API) # define _LIBCPP_USING_WIN32_RANDOM #else # define _LIBCPP_USING_DEV_RANDOM #endif #if !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN) # include # if __BYTE_ORDER == __LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN # elif __BYTE_ORDER == __BIG_ENDIAN # define _LIBCPP_BIG_ENDIAN # else // __BYTE_ORDER == __BIG_ENDIAN # error unable to determine endian # endif #endif // !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN) #if __has_attribute(__no_sanitize__) && !defined(_LIBCPP_COMPILER_GCC) # define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi"))) #else # define _LIBCPP_NO_CFI #endif #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L # if defined(__FreeBSD__) # define _LIBCPP_HAS_QUICK_EXIT # define _LIBCPP_HAS_C11_FEATURES # elif defined(__Fuchsia__) # define _LIBCPP_HAS_QUICK_EXIT # define _LIBCPP_HAS_TIMESPEC_GET # define _LIBCPP_HAS_C11_FEATURES # elif defined(__linux__) # if !defined(_LIBCPP_HAS_MUSL_LIBC) # if _LIBCPP_GLIBC_PREREQ(2, 15) || defined(__BIONIC__) # define _LIBCPP_HAS_QUICK_EXIT # endif # if _LIBCPP_GLIBC_PREREQ(2, 17) # define _LIBCPP_HAS_C11_FEATURES # define _LIBCPP_HAS_TIMESPEC_GET # endif # else // defined(_LIBCPP_HAS_MUSL_LIBC) # define _LIBCPP_HAS_QUICK_EXIT # define _LIBCPP_HAS_TIMESPEC_GET # define _LIBCPP_HAS_C11_FEATURES # endif # endif // __linux__ #endif #if defined(_LIBCPP_COMPILER_CLANG) // _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT left here for backward compatibility. #if (defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \ (!defined(__arm__) || __ARM_ARCH_7K__ >= 2)) || \ defined(_LIBCPP_ALTERNATE_STRING_LAYOUT) #define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT #endif #if __has_feature(cxx_alignas) # define _ALIGNAS_TYPE(x) alignas(x) # define _ALIGNAS(x) alignas(x) #else # define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) # define _ALIGNAS(x) __attribute__((__aligned__(x))) #endif #if __cplusplus < 201103L typedef __char16_t char16_t; typedef __char32_t char32_t; #endif #if !(__has_feature(cxx_exceptions)) && !defined(_LIBCPP_NO_EXCEPTIONS) #define _LIBCPP_NO_EXCEPTIONS #endif #if !(__has_feature(cxx_rtti)) && !defined(_LIBCPP_NO_RTTI) #define _LIBCPP_NO_RTTI #endif #if !(__has_feature(cxx_strong_enums)) #define _LIBCPP_HAS_NO_STRONG_ENUMS #endif #if !(__has_feature(cxx_decltype)) #define _LIBCPP_HAS_NO_DECLTYPE #endif #if __has_feature(cxx_attributes) # define _LIBCPP_NORETURN [[noreturn]] #else # define _LIBCPP_NORETURN __attribute__ ((noreturn)) #endif #if !(__has_feature(cxx_lambdas)) #define _LIBCPP_HAS_NO_LAMBDAS #endif #if !(__has_feature(cxx_nullptr)) # if (__has_extension(cxx_nullptr) || __has_keyword(__nullptr)) && defined(_LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR) # define nullptr __nullptr # else # define _LIBCPP_HAS_NO_NULLPTR # endif #endif #if !(__has_feature(cxx_rvalue_references)) #define _LIBCPP_HAS_NO_RVALUE_REFERENCES #endif #if !(__has_feature(cxx_auto_type)) #define _LIBCPP_HAS_NO_AUTO_TYPE #endif #if !(__has_feature(cxx_variadic_templates)) #define _LIBCPP_HAS_NO_VARIADICS #endif #if !(__has_feature(cxx_generalized_initializers)) #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS #endif #if __has_feature(is_base_of) #define _LIBCPP_HAS_IS_BASE_OF #endif #if __has_feature(is_final) #define _LIBCPP_HAS_IS_FINAL #endif // Objective-C++ features (opt-in) #if __has_feature(objc_arc) #define _LIBCPP_HAS_OBJC_ARC #endif #if __has_feature(objc_arc_weak) #define _LIBCPP_HAS_OBJC_ARC_WEAK #endif #if !(__has_feature(cxx_constexpr)) #define _LIBCPP_HAS_NO_CONSTEXPR #endif #if !(__has_feature(cxx_relaxed_constexpr)) #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR #endif #if !(__has_feature(cxx_variable_templates)) #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #endif #if !(__has_feature(cxx_noexcept)) #define _LIBCPP_HAS_NO_NOEXCEPT #endif #if __has_feature(underlying_type) #define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) #endif #if __has_feature(is_literal) #define _LIBCPP_IS_LITERAL(T) __is_literal(T) #endif #if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer) #define _LIBCPP_HAS_NO_ASAN #endif // Allow for build-time disabling of unsigned integer sanitization #if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize) #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow"))) #endif #if __has_builtin(__builtin_launder) #define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER #endif #if !__is_identifier(__has_unique_object_representations) #define _LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS #endif #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) // No apple compilers support ""d and ""y at this time. #if _LIBCPP_CLANG_VER < 800 || defined(__apple_build_version__) #define _LIBCPP_HAS_NO_CXX20_CHRONO_LITERALS #endif #elif defined(_LIBCPP_COMPILER_GCC) #define _ALIGNAS(x) __attribute__((__aligned__(x))) #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) #define _LIBCPP_NORETURN __attribute__((noreturn)) #if _GNUC_VER >= 407 #define _LIBCPP_UNDERLYING_TYPE(T) __underlying_type(T) #define _LIBCPP_IS_LITERAL(T) __is_literal_type(T) #define _LIBCPP_HAS_IS_FINAL #endif #if defined(__GNUC__) && _GNUC_VER >= 403 #define _LIBCPP_HAS_IS_BASE_OF #endif #if !__EXCEPTIONS && !defined(_LIBCPP_NO_EXCEPTIONS) #define _LIBCPP_NO_EXCEPTIONS #endif // constexpr was added to GCC in 4.6. #if _GNUC_VER < 406 # define _LIBCPP_HAS_NO_CONSTEXPR // Can only use constexpr in c++11 mode. #elif !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L # define _LIBCPP_HAS_NO_CONSTEXPR #endif // Determine if GCC supports relaxed constexpr #if !defined(__cpp_constexpr) || __cpp_constexpr < 201304L #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR #endif // GCC 5 will support variable templates #if !defined(__cpp_variable_templates) || __cpp_variable_templates < 201304L #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #endif #ifndef __GXX_EXPERIMENTAL_CXX0X__ #define _LIBCPP_HAS_NO_DECLTYPE #define _LIBCPP_HAS_NO_NULLPTR #define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_NO_VARIADICS #define _LIBCPP_HAS_NO_RVALUE_REFERENCES #define _LIBCPP_HAS_NO_STRONG_ENUMS #define _LIBCPP_HAS_NO_NOEXCEPT #else // __GXX_EXPERIMENTAL_CXX0X__ #if _GNUC_VER < 403 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES #endif #if _GNUC_VER < 404 #define _LIBCPP_HAS_NO_DECLTYPE #define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_NO_VARIADICS #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS #endif // _GNUC_VER < 404 #if _GNUC_VER < 406 #define _LIBCPP_HAS_NO_NOEXCEPT #define _LIBCPP_HAS_NO_NULLPTR #endif #endif // __GXX_EXPERIMENTAL_CXX0X__ #if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__) #define _LIBCPP_HAS_NO_ASAN #endif #if _GNUC_VER >= 700 #define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER #endif #if _GNUC_VER >= 700 #define _LIBCPP_HAS_UNIQUE_OBJECT_REPRESENTATIONS #endif #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) #elif defined(_LIBCPP_COMPILER_MSVC) #define _LIBCPP_TOSTRING2(x) #x #define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) #define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x)) #if _MSC_VER < 1900 #error "MSVC versions prior to Visual Studio 2015 are not supported" #endif #define _LIBCPP_HAS_IS_BASE_OF #define _LIBCPP_HAS_NO_CONSTEXPR #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #define _LIBCPP_HAS_NO_NOEXCEPT #define __alignof__ __alignof #define _LIBCPP_NORETURN __declspec(noreturn) #define _ALIGNAS(x) __declspec(align(x)) #define _ALIGNAS_TYPE(x) alignas(x) #define _LIBCPP_HAS_NO_VARIADICS #define _LIBCPP_WEAK #define _LIBCPP_HAS_NO_ASAN #define _LIBCPP_ALWAYS_INLINE __forceinline #define _LIBCPP_HAS_NO_VECTOR_EXTENSION #elif defined(_LIBCPP_COMPILER_IBM) #define _ALIGNAS(x) __attribute__((__aligned__(x))) #define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) #define _ATTRIBUTE(x) __attribute__((x)) #define _LIBCPP_NORETURN __attribute__((noreturn)) #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS #define _LIBCPP_HAS_NO_NOEXCEPT #define _LIBCPP_HAS_NO_NULLPTR #define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_IS_BASE_OF #define _LIBCPP_HAS_IS_FINAL #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #if defined(_AIX) #define __MULTILOCALE_API #endif #define _LIBCPP_HAS_NO_ASAN #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) #define _LIBCPP_HAS_NO_VECTOR_EXTENSION #endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM] #if defined(_LIBCPP_OBJECT_FORMAT_COFF) #ifdef _DLL # define _LIBCPP_CRT_FUNC __declspec(dllimport) #else # define _LIBCPP_CRT_FUNC #endif #if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # define _LIBCPP_DLL_VIS # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS # define _LIBCPP_OVERRIDABLE_FUNC_VIS # define _LIBCPP_EXPORTED_FROM_ABI #elif defined(_LIBCPP_BUILDING_LIBRARY) # define _LIBCPP_DLL_VIS __declspec(dllexport) # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS # define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS # define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllexport) #else # define _LIBCPP_DLL_VIS __declspec(dllimport) # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS # define _LIBCPP_OVERRIDABLE_FUNC_VIS # define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllimport) #endif #define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS #define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS #define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS #define _LIBCPP_HIDDEN #define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS #define _LIBCPP_TEMPLATE_VIS #define _LIBCPP_ENUM_VIS #endif // defined(_LIBCPP_OBJECT_FORMAT_COFF) #ifndef _LIBCPP_HIDDEN # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) # else # define _LIBCPP_HIDDEN # endif #endif #ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) // The inline should be removed once PR32114 is resolved # define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN # else # define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS # endif #endif #ifndef _LIBCPP_FUNC_VIS # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default"))) # else # define _LIBCPP_FUNC_VIS # endif #endif #ifndef _LIBCPP_TYPE_VIS # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) # else # define _LIBCPP_TYPE_VIS # endif #endif #ifndef _LIBCPP_TEMPLATE_VIS # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # if __has_attribute(__type_visibility__) # define _LIBCPP_TEMPLATE_VIS __attribute__ ((__type_visibility__("default"))) # else # define _LIBCPP_TEMPLATE_VIS __attribute__ ((__visibility__("default"))) # endif # else # define _LIBCPP_TEMPLATE_VIS # endif #endif #ifndef _LIBCPP_EXPORTED_FROM_ABI # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # define _LIBCPP_EXPORTED_FROM_ABI __attribute__((__visibility__("default"))) # else # define _LIBCPP_EXPORTED_FROM_ABI # endif #endif #ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS #define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS #endif #ifndef _LIBCPP_EXCEPTION_ABI # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) # define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default"))) # else # define _LIBCPP_EXCEPTION_ABI # endif #endif #ifndef _LIBCPP_ENUM_VIS # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) # define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default"))) # else # define _LIBCPP_ENUM_VIS # endif #endif #ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS # if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__visibility__("default"))) # else # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS # endif #endif #ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS #define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS #endif #if __has_attribute(internal_linkage) # define _LIBCPP_INTERNAL_LINKAGE __attribute__ ((internal_linkage)) #else # define _LIBCPP_INTERNAL_LINKAGE _LIBCPP_ALWAYS_INLINE #endif #if __has_attribute(exclude_from_explicit_instantiation) # define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION __attribute__ ((__exclude_from_explicit_instantiation__)) #else // Try to approximate the effect of exclude_from_explicit_instantiation // (which is that entities are not assumed to be provided by explicit // template instantitations in the dylib) by always inlining those entities. # define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION _LIBCPP_ALWAYS_INLINE #endif #ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU # ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU_BY_DEFAULT # define _LIBCPP_HIDE_FROM_ABI_PER_TU 0 # else # define _LIBCPP_HIDE_FROM_ABI_PER_TU 1 # endif #endif #ifndef _LIBCPP_HIDE_FROM_ABI # if _LIBCPP_HIDE_FROM_ABI_PER_TU # define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_INTERNAL_LINKAGE # else # define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION # endif #endif #ifdef _LIBCPP_BUILDING_LIBRARY # if _LIBCPP_ABI_VERSION > 1 # define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI # else # define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 # endif #else # define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI #endif // Just so we can migrate to the new macros gradually. #define _LIBCPP_INLINE_VISIBILITY _LIBCPP_HIDE_FROM_ABI // Inline namespaces are available in Clang/GCC/MSVC regardless of C++ dialect. #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_ABI_NAMESPACE { #define _LIBCPP_END_NAMESPACE_STD } } #define _VSTD std::_LIBCPP_ABI_NAMESPACE _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_END_NAMESPACE_STD #if _LIBCPP_STD_VER >= 17 #define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \ _LIBCPP_BEGIN_NAMESPACE_STD inline namespace __fs { namespace filesystem { #else #define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \ _LIBCPP_BEGIN_NAMESPACE_STD namespace __fs { namespace filesystem { #endif #define _LIBCPP_END_NAMESPACE_FILESYSTEM \ _LIBCPP_END_NAMESPACE_STD } } #define _VSTD_FS _VSTD::__fs::filesystem #ifndef _LIBCPP_PREFERRED_OVERLOAD # if __has_attribute(__enable_if__) # define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, ""))) # endif #endif #ifndef _LIBCPP_HAS_NO_NOEXCEPT # define _NOEXCEPT noexcept # define _NOEXCEPT_(x) noexcept(x) #else # define _NOEXCEPT throw() # define _NOEXCEPT_(x) #endif #if defined(_LIBCPP_DEBUG_USE_EXCEPTIONS) # if !defined(_LIBCPP_DEBUG) # error cannot use _LIBCPP_DEBUG_USE_EXCEPTIONS unless _LIBCPP_DEBUG is defined # endif # ifdef _LIBCPP_HAS_NO_NOEXCEPT # define _NOEXCEPT_DEBUG # define _NOEXCEPT_DEBUG_(x) # else # define _NOEXCEPT_DEBUG noexcept(false) # define _NOEXCEPT_DEBUG_(x) noexcept(false) # endif #else # define _NOEXCEPT_DEBUG _NOEXCEPT # define _NOEXCEPT_DEBUG_(x) _NOEXCEPT_(x) #endif #ifdef _LIBCPP_HAS_NO_UNICODE_CHARS typedef unsigned short char16_t; typedef unsigned int char32_t; #endif // _LIBCPP_HAS_NO_UNICODE_CHARS #ifndef __SIZEOF_INT128__ #define _LIBCPP_HAS_NO_INT128 #endif #ifdef _LIBCPP_CXX03_LANG # if __has_extension(c_static_assert) # define static_assert(__b, __m) _Static_assert(__b, __m) # else extern "C++" { template struct __static_assert_test; template <> struct __static_assert_test {}; template struct __static_assert_check {}; } # define static_assert(__b, __m) \ typedef __static_assert_check)> \ _LIBCPP_CONCAT(__t, __LINE__) # endif // __has_extension(c_static_assert) #endif // _LIBCPP_CXX03_LANG #ifdef _LIBCPP_HAS_NO_DECLTYPE // GCC 4.6 provides __decltype in all standard modes. # if __has_keyword(__decltype) || _LIBCPP_CLANG_VER >= 304 || _GNUC_VER >= 406 # define decltype(__x) __decltype(__x) # else # define decltype(__x) __typeof__(__x) # endif #endif #ifdef _LIBCPP_HAS_NO_CONSTEXPR # define _LIBCPP_CONSTEXPR #else # define _LIBCPP_CONSTEXPR constexpr #endif #ifdef _LIBCPP_CXX03_LANG # define _LIBCPP_DEFAULT {} #else # define _LIBCPP_DEFAULT = default; #endif #ifdef _LIBCPP_CXX03_LANG # define _LIBCPP_EQUAL_DELETE #else # define _LIBCPP_EQUAL_DELETE = delete #endif #ifdef __GNUC__ # define _NOALIAS __attribute__((__malloc__)) #else # define _NOALIAS #endif #if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) || \ (!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions # define _LIBCPP_EXPLICIT explicit #else # define _LIBCPP_EXPLICIT #endif #if !__has_builtin(__builtin_operator_new) || !__has_builtin(__builtin_operator_delete) #define _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE #endif #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS # define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx # define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ __lx __v_; \ _LIBCPP_INLINE_VISIBILITY x(__lx __v) : __v_(__v) {} \ _LIBCPP_INLINE_VISIBILITY explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ _LIBCPP_INLINE_VISIBILITY operator int() const {return __v_;} \ }; #else // _LIBCPP_HAS_NO_STRONG_ENUMS # define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x # define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) #endif // _LIBCPP_HAS_NO_STRONG_ENUMS #ifdef _LIBCPP_DEBUG # if _LIBCPP_DEBUG == 0 # define _LIBCPP_DEBUG_LEVEL 1 # elif _LIBCPP_DEBUG == 1 # define _LIBCPP_DEBUG_LEVEL 2 # else # error Supported values for _LIBCPP_DEBUG are 0 and 1 # endif # if !defined(_LIBCPP_BUILDING_LIBRARY) # define _LIBCPP_EXTERN_TEMPLATE(...) # endif #endif #ifdef _LIBCPP_DISABLE_EXTERN_TEMPLATE #define _LIBCPP_EXTERN_TEMPLATE(...) #define _LIBCPP_EXTERN_TEMPLATE2(...) #endif #ifndef _LIBCPP_EXTERN_TEMPLATE #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__; #endif #ifndef _LIBCPP_EXTERN_TEMPLATE2 #define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__; #endif #if defined(__APPLE__) && defined(__LP64__) && !defined(__x86_64__) #define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63) #endif #if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT_LIKE) || \ defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__) #define _LIBCPP_LOCALE__L_EXTENSIONS 1 #endif #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) // Most unix variants have catopen. These are the specific ones that don't. # if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION) # define _LIBCPP_HAS_CATOPEN 1 # endif #endif #ifdef __FreeBSD__ #define _DECLARE_C99_LDBL_MATH 1 #endif // If we are getting operator new from the MSVC CRT, then allocation overloads // for align_val_t were added in 19.12, aka VS 2017 version 15.3. #if defined(_LIBCPP_MSVCRT) && defined(_MSC_VER) && _MSC_VER < 1912 # define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION #elif defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_NO_VCRUNTIME) # define _LIBCPP_DEFER_NEW_TO_VCRUNTIME # if !defined(__cpp_aligned_new) // We're defering to Microsoft's STL to provide aligned new et al. We don't // have it unless the language feature test macro is defined. # define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION # endif #endif #if defined(__APPLE__) # if !defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \ defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) # define __MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ # endif #endif // defined(__APPLE__) #if !defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION) && \ (defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) || \ (!defined(__cpp_aligned_new) || __cpp_aligned_new < 201606)) # define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION #endif #if defined(__APPLE__) || defined(__FreeBSD__) #define _LIBCPP_HAS_DEFAULTRUNELOCALE #endif #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) #define _LIBCPP_WCTYPE_IS_MASK #endif #if _LIBCPP_STD_VER <= 17 || !defined(__cpp_char8_t) #define _LIBCPP_NO_HAS_CHAR8_T #endif // Deprecation macros. // Deprecations warnings are only enabled when _LIBCPP_ENABLE_DEPRECATION_WARNINGS is defined. #if defined(_LIBCPP_ENABLE_DEPRECATION_WARNINGS) # if __has_attribute(deprecated) # define _LIBCPP_DEPRECATED __attribute__ ((deprecated)) # elif _LIBCPP_STD_VER > 11 # define _LIBCPP_DEPRECATED [[deprecated]] # else # define _LIBCPP_DEPRECATED # endif #else # define _LIBCPP_DEPRECATED #endif #if !defined(_LIBCPP_CXX03_LANG) # define _LIBCPP_DEPRECATED_IN_CXX11 _LIBCPP_DEPRECATED #else # define _LIBCPP_DEPRECATED_IN_CXX11 #endif #if _LIBCPP_STD_VER >= 14 # define _LIBCPP_DEPRECATED_IN_CXX14 _LIBCPP_DEPRECATED #else # define _LIBCPP_DEPRECATED_IN_CXX14 #endif #if _LIBCPP_STD_VER >= 17 # define _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_DEPRECATED #else # define _LIBCPP_DEPRECATED_IN_CXX17 #endif #if _LIBCPP_STD_VER <= 11 # define _LIBCPP_EXPLICIT_AFTER_CXX11 #else # define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit #endif #if _LIBCPP_STD_VER > 11 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) # define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr #else # define _LIBCPP_CONSTEXPR_AFTER_CXX11 #endif #if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) # define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr #else # define _LIBCPP_CONSTEXPR_AFTER_CXX14 #endif #if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) # define _LIBCPP_CONSTEXPR_AFTER_CXX17 constexpr #else # define _LIBCPP_CONSTEXPR_AFTER_CXX17 #endif // The _LIBCPP_NODISCARD_ATTRIBUTE should only be used to define other // NODISCARD macros to the correct attribute. #if __has_cpp_attribute(nodiscard) || defined(_LIBCPP_COMPILER_MSVC) # define _LIBCPP_NODISCARD_ATTRIBUTE [[nodiscard]] #elif defined(_LIBCPP_COMPILER_CLANG) && !defined(_LIBCPP_CXX03_LANG) # define _LIBCPP_NODISCARD_ATTRIBUTE [[clang::warn_unused_result]] #else // We can't use GCC's [[gnu::warn_unused_result]] and // __attribute__((warn_unused_result)), because GCC does not silence them via // (void) cast. # define _LIBCPP_NODISCARD_ATTRIBUTE #endif // _LIBCPP_NODISCARD_EXT may be used to apply [[nodiscard]] to entities not // specified as such as an extension. #if defined(_LIBCPP_ENABLE_NODISCARD) && !defined(_LIBCPP_DISABLE_NODISCARD_EXT) # define _LIBCPP_NODISCARD_EXT _LIBCPP_NODISCARD_ATTRIBUTE #else # define _LIBCPP_NODISCARD_EXT #endif #if !defined(_LIBCPP_DISABLE_NODISCARD_AFTER_CXX17) && \ (_LIBCPP_STD_VER > 17 || defined(_LIBCPP_ENABLE_NODISCARD)) # define _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_NODISCARD_ATTRIBUTE #else # define _LIBCPP_NODISCARD_AFTER_CXX17 #endif #if _LIBCPP_STD_VER > 14 && defined(__cpp_inline_variables) && (__cpp_inline_variables >= 201606L) # define _LIBCPP_INLINE_VAR inline #else # define _LIBCPP_INLINE_VAR #endif #ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES # define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x) #else # define _LIBCPP_EXPLICIT_MOVE(x) (x) #endif #ifndef _LIBCPP_CONSTEXPR_IF_NODEBUG #if defined(_LIBCPP_DEBUG) || defined(_LIBCPP_HAS_NO_CXX14_CONSTEXPR) #define _LIBCPP_CONSTEXPR_IF_NODEBUG #else #define _LIBCPP_CONSTEXPR_IF_NODEBUG constexpr #endif #endif #ifndef _LIBCPP_HAS_NO_ASAN _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( const void *, const void *, const void *, const void *); #endif // Try to find out if RTTI is disabled. // g++ and cl.exe have RTTI on by default and define a macro when it is. // g++ only defines the macro in 4.3.2 and onwards. #if !defined(_LIBCPP_NO_RTTI) # if defined(__GNUC__) && \ ((__GNUC__ >= 5) || \ (__GNUC__ == 4 && (__GNUC_MINOR__ >= 3 || __GNUC_PATCHLEVEL__ >= 2))) && \ !defined(__GXX_RTTI) # define _LIBCPP_NO_RTTI # elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI) # define _LIBCPP_NO_RTTI # endif #endif #ifndef _LIBCPP_WEAK #define _LIBCPP_WEAK __attribute__((__weak__)) #endif // Thread API #if !defined(_LIBCPP_HAS_NO_THREADS) && \ !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \ !defined(_LIBCPP_HAS_THREAD_API_WIN32) && \ !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) # if defined(__FreeBSD__) || \ defined(__Fuchsia__) || \ defined(__NetBSD__) || \ defined(__linux__) || \ defined(__GNU__) || \ defined(__APPLE__) || \ defined(__CloudABI__) || \ defined(__sun__) || \ (defined(__MINGW32__) && __has_include()) # define _LIBCPP_HAS_THREAD_API_PTHREAD # elif defined(_LIBCPP_WIN32API) # define _LIBCPP_HAS_THREAD_API_WIN32 # else # error "No thread API" # endif // _LIBCPP_HAS_THREAD_API #endif // _LIBCPP_HAS_NO_THREADS #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD) #error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \ _LIBCPP_HAS_NO_THREADS is not defined. #endif #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) #error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \ _LIBCPP_HAS_NO_THREADS is defined. #endif #if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS) #error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \ _LIBCPP_HAS_NO_THREADS is defined. #endif // Systems that use capability-based security (FreeBSD with Capsicum, // Nuxi CloudABI) may only provide local filesystem access (using *at()). // Functions like open(), rename(), unlink() and stat() should not be // used, as they attempt to access the global filesystem namespace. #ifdef __CloudABI__ #define _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE #endif // CloudABI is intended for running networked services. Processes do not // have standard input and output channels. #ifdef __CloudABI__ #define _LIBCPP_HAS_NO_STDIN #define _LIBCPP_HAS_NO_STDOUT #endif #if defined(__BIONIC__) || defined(__CloudABI__) || \ defined(__Fuchsia__) || defined(_LIBCPP_HAS_MUSL_LIBC) #define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE #endif // Thread-unsafe functions such as strtok() and localtime() // are not available. #ifdef __CloudABI__ #define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS #endif #if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic) # define _LIBCPP_HAS_C_ATOMIC_IMP #elif _GNUC_VER > 407 # define _LIBCPP_HAS_GCC_ATOMIC_IMP #endif #if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \ || defined(_LIBCPP_HAS_NO_THREADS) #define _LIBCPP_HAS_NO_ATOMIC_HEADER #endif #ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK #endif #if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS) # if defined(__clang__) && __has_attribute(acquire_capability) # define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS # endif #endif #if __has_attribute(require_constant_initialization) # define _LIBCPP_SAFE_STATIC __attribute__((__require_constant_initialization__)) #else # define _LIBCPP_SAFE_STATIC #endif #if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700 #define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF #endif #if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS) # if defined(_LIBCPP_MSVCRT) || defined(_NEWLIB_VERSION) # define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS # endif #endif #if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS) # define _LIBCPP_DIAGNOSE_WARNING(...) \ __attribute__((diagnose_if(__VA_ARGS__, "warning"))) # define _LIBCPP_DIAGNOSE_ERROR(...) \ __attribute__((diagnose_if(__VA_ARGS__, "error"))) #else # define _LIBCPP_DIAGNOSE_WARNING(...) # define _LIBCPP_DIAGNOSE_ERROR(...) #endif // Use a function like macro to imply that it must be followed by a semicolon #if __cplusplus > 201402L && __has_cpp_attribute(fallthrough) # define _LIBCPP_FALLTHROUGH() [[fallthrough]] #elif __has_cpp_attribute(clang::fallthrough) # define _LIBCPP_FALLTHROUGH() [[clang::fallthrough]] #elif __has_attribute(fallthough) || _GNUC_VER >= 700 # define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__)) #else # define _LIBCPP_FALLTHROUGH() ((void)0) #endif #if defined(_LIBCPP_ABI_MICROSOFT) && \ (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases)) # define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases) #else # define _LIBCPP_DECLSPEC_EMPTY_BASES #endif #if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES) #define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR #define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS #define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE #define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS #endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES #if !defined(__cpp_deduction_guides) || __cpp_deduction_guides < 201611 #define _LIBCPP_HAS_NO_DEDUCTION_GUIDES #endif #if !__has_keyword(__is_aggregate) && (_GNUC_VER_NEW < 7001) #define _LIBCPP_HAS_NO_IS_AGGREGATE #endif #if !defined(__cpp_coroutines) || __cpp_coroutines < 201703L #define _LIBCPP_HAS_NO_COROUTINES #endif // FIXME: Correct this macro when either (A) a feature test macro for the // spaceship operator is provided, or (B) a compiler provides a complete // implementation. #define _LIBCPP_HAS_NO_SPACESHIP_OPERATOR // Decide whether to use availability macros. #if !defined(_LIBCPP_BUILDING_LIBRARY) && \ !defined(_LIBCPP_DISABLE_AVAILABILITY) && \ __has_feature(attribute_availability_with_strict) && \ __has_feature(attribute_availability_in_templates) # ifdef __APPLE__ # define _LIBCPP_USE_AVAILABILITY_APPLE # endif #endif // Define availability macros. #if defined(_LIBCPP_USE_AVAILABILITY_APPLE) # define _LIBCPP_AVAILABILITY_SHARED_MUTEX \ __attribute__((availability(macosx,strict,introduced=10.12))) \ __attribute__((availability(ios,strict,introduced=10.0))) \ __attribute__((availability(tvos,strict,introduced=10.0))) \ __attribute__((availability(watchos,strict,introduced=3.0))) # define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS \ __attribute__((availability(macosx,strict,introduced=10.14))) \ __attribute__((availability(ios,strict,introduced=12.0))) \ __attribute__((availability(tvos,strict,introduced=12.0))) \ __attribute__((availability(watchos,strict,introduced=5.0))) # define _LIBCPP_AVAILABILITY_BAD_VARIANT_ACCESS \ _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS # define _LIBCPP_AVAILABILITY_BAD_ANY_CAST \ _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS # define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS \ __attribute__((availability(macosx,strict,introduced=10.12))) \ __attribute__((availability(ios,strict,introduced=10.0))) \ __attribute__((availability(tvos,strict,introduced=10.0))) \ __attribute__((availability(watchos,strict,introduced=3.0))) # define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE \ __attribute__((availability(macosx,strict,introduced=10.12))) \ __attribute__((availability(ios,strict,introduced=10.0))) \ __attribute__((availability(tvos,strict,introduced=10.0))) \ __attribute__((availability(watchos,strict,introduced=3.0))) # define _LIBCPP_AVAILABILITY_FUTURE_ERROR \ __attribute__((availability(ios,strict,introduced=6.0))) # define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE \ __attribute__((availability(macosx,strict,introduced=10.9))) \ __attribute__((availability(ios,strict,introduced=7.0))) # define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY \ __attribute__((availability(macosx,strict,introduced=10.9))) \ __attribute__((availability(ios,strict,introduced=7.0))) # define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR \ __attribute__((availability(macosx,strict,introduced=10.9))) \ __attribute__((availability(ios,strict,introduced=7.0))) #else # define _LIBCPP_AVAILABILITY_SHARED_MUTEX # define _LIBCPP_AVAILABILITY_BAD_VARIANT_ACCESS # define _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS # define _LIBCPP_AVAILABILITY_BAD_ANY_CAST # define _LIBCPP_AVAILABILITY_UNCAUGHT_EXCEPTIONS # define _LIBCPP_AVAILABILITY_SIZED_NEW_DELETE # define _LIBCPP_AVAILABILITY_FUTURE_ERROR # define _LIBCPP_AVAILABILITY_TYPEINFO_VTABLE # define _LIBCPP_AVAILABILITY_LOCALE_CATEGORY # define _LIBCPP_AVAILABILITY_ATOMIC_SHARED_PTR #endif // Define availability that depends on _LIBCPP_NO_EXCEPTIONS. #ifdef _LIBCPP_NO_EXCEPTIONS # define _LIBCPP_AVAILABILITY_FUTURE # define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST # define _LIBCPP_AVAILABILITY_THROW_BAD_OPTIONAL_ACCESS # define _LIBCPP_AVAILABILITY_THROW_BAD_VARIANT_ACCESS #else # define _LIBCPP_AVAILABILITY_FUTURE _LIBCPP_AVAILABILITY_FUTURE_ERROR # define _LIBCPP_AVAILABILITY_THROW_BAD_ANY_CAST _LIBCPP_AVAILABILITY_BAD_ANY_CAST # define _LIBCPP_AVAILABILITY_THROW_BAD_OPTIONAL_ACCESS _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS # define _LIBCPP_AVAILABILITY_THROW_BAD_VARIANT_ACCESS _LIBCPP_AVAILABILITY_BAD_VARIANT_ACCESS #endif // The stream API was dropped and re-added in the dylib shipped on macOS // and iOS. We can only assume the dylib to provide these definitions for // macosx >= 10.9 and ios >= 7.0. Otherwise, the definitions are available // from the headers, but not from the dylib. Explicit instantiation // declarations for streams exist conditionally to this; if we provide // an explicit instantiation declaration and we try to deploy to a dylib // that does not provide those symbols, we'll get a load-time error. #if !defined(_LIBCPP_BUILDING_LIBRARY) && \ ((defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1090) || \ (defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) && \ __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ < 70000)) # define _LIBCPP_DO_NOT_ASSUME_STREAMS_EXPLICIT_INSTANTIATION_IN_DYLIB #endif #if defined(_LIBCPP_COMPILER_IBM) #define _LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO #endif #if defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO) # define _LIBCPP_PUSH_MACROS # define _LIBCPP_POP_MACROS #else // Don't warn about macro conflicts when we can restore them at the // end of the header. # ifndef _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS # define _LIBCPP_DISABLE_MACRO_CONFLICT_WARNINGS # endif # if defined(_LIBCPP_COMPILER_MSVC) # define _LIBCPP_PUSH_MACROS \ __pragma(push_macro("min")) \ __pragma(push_macro("max")) # define _LIBCPP_POP_MACROS \ __pragma(pop_macro("min")) \ __pragma(pop_macro("max")) # else # define _LIBCPP_PUSH_MACROS \ _Pragma("push_macro(\"min\")") \ _Pragma("push_macro(\"max\")") # define _LIBCPP_POP_MACROS \ _Pragma("pop_macro(\"min\")") \ _Pragma("pop_macro(\"max\")") # endif #endif // defined(_LIBCPP_HAS_NO_PRAGMA_PUSH_POP_MACRO) #ifndef _LIBCPP_NO_AUTO_LINK # if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY) # if defined(_DLL) # pragma comment(lib, "c++.lib") # else # pragma comment(lib, "libc++.lib") # endif # endif // defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY) #endif // _LIBCPP_NO_AUTO_LINK #endif // __cplusplus #endif // _LIBCPP_CONFIG