| // -*- 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__) |
| #define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER |
| #endif |
| |
| #ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER |
| #pragma GCC system_header |
| #endif |
| |
| #ifdef __cplusplus |
| |
| #ifdef __GNUC__ |
| #define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__) |
| #else |
| #define _GNUC_VER 0 |
| #endif |
| |
| #define _LIBCPP_VERSION 4000 |
| |
| #ifndef _LIBCPP_ABI_VERSION |
| #define _LIBCPP_ABI_VERSION 1 |
| #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 it's 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 it's 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 |
| #define _LIBCPP_ABI_VARIADIC_LOCK_GUARD |
| #elif _LIBCPP_ABI_VERSION == 1 |
| // 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) |
| |
| #define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) |
| |
| #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 |
| // '__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 |
| |
| // Need to detect which libc we're using if we're on Linux. |
| #if defined(__linux__) |
| #include <features.h> |
| #if !defined(__GLIBC_PREREQ) |
| #define __GLIBC_PREREQ(a, b) 0 |
| #endif // !defined(__GLIBC_PREREQ) |
| #endif // defined(__linux__) |
| |
| #ifdef __LITTLE_ENDIAN__ |
| #if __LITTLE_ENDIAN__ |
| #define _LIBCPP_LITTLE_ENDIAN 1 |
| #define _LIBCPP_BIG_ENDIAN 0 |
| #endif // __LITTLE_ENDIAN__ |
| #endif // __LITTLE_ENDIAN__ |
| |
| #ifdef __BIG_ENDIAN__ |
| #if __BIG_ENDIAN__ |
| #define _LIBCPP_LITTLE_ENDIAN 0 |
| #define _LIBCPP_BIG_ENDIAN 1 |
| #endif // __BIG_ENDIAN__ |
| #endif // __BIG_ENDIAN__ |
| |
| #ifdef __BYTE_ORDER__ |
| #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
| #define _LIBCPP_LITTLE_ENDIAN 1 |
| #define _LIBCPP_BIG_ENDIAN 0 |
| #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| #define _LIBCPP_LITTLE_ENDIAN 0 |
| #define _LIBCPP_BIG_ENDIAN 1 |
| #endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| #endif // __BYTE_ORDER__ |
| |
| #ifdef __FreeBSD__ |
| # include <sys/endian.h> |
| # if _BYTE_ORDER == _LITTLE_ENDIAN |
| # define _LIBCPP_LITTLE_ENDIAN 1 |
| # define _LIBCPP_BIG_ENDIAN 0 |
| # else // _BYTE_ORDER == _LITTLE_ENDIAN |
| # define _LIBCPP_LITTLE_ENDIAN 0 |
| # define _LIBCPP_BIG_ENDIAN 1 |
| # endif // _BYTE_ORDER == _LITTLE_ENDIAN |
| # ifndef __LONG_LONG_SUPPORTED |
| # define _LIBCPP_HAS_NO_LONG_LONG |
| # endif // __LONG_LONG_SUPPORTED |
| #endif // __FreeBSD__ |
| |
| #ifdef __NetBSD__ |
| # include <sys/endian.h> |
| # if _BYTE_ORDER == _LITTLE_ENDIAN |
| # define _LIBCPP_LITTLE_ENDIAN 1 |
| # define _LIBCPP_BIG_ENDIAN 0 |
| # else // _BYTE_ORDER == _LITTLE_ENDIAN |
| # define _LIBCPP_LITTLE_ENDIAN 0 |
| # define _LIBCPP_BIG_ENDIAN 1 |
| # endif // _BYTE_ORDER == _LITTLE_ENDIAN |
| # define _LIBCPP_HAS_QUICK_EXIT |
| #endif // __NetBSD__ |
| |
| #ifdef _WIN32 |
| # define _LIBCPP_LITTLE_ENDIAN 1 |
| # define _LIBCPP_BIG_ENDIAN 0 |
| // Compiler intrinsics (MSVC) |
| #if defined(_MSC_VER) && _MSC_VER >= 1400 |
| # define _LIBCPP_HAS_IS_BASE_OF |
| # endif |
| # if defined(_MSC_VER) && !defined(__clang__) |
| # define _LIBCPP_MSVC // Using Microsoft Visual C++ compiler |
| # 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)) |
| # endif |
| # // If mingw not explicitly detected, assume using MS C runtime only. |
| # ifndef __MINGW32__ |
| # define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library |
| # endif |
| #endif // _WIN32 |
| |
| #ifdef __sun__ |
| # include <sys/isa_defs.h> |
| # ifdef _LITTLE_ENDIAN |
| # define _LIBCPP_LITTLE_ENDIAN 1 |
| # define _LIBCPP_BIG_ENDIAN 0 |
| # else |
| # define _LIBCPP_LITTLE_ENDIAN 0 |
| # define _LIBCPP_BIG_ENDIAN 1 |
| # 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(__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(_WIN32) |
| # define _LIBCPP_USING_WIN32_RANDOM |
| #else |
| # define _LIBCPP_USING_DEV_RANDOM |
| #endif |
| |
| #if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) |
| # include <endian.h> |
| # if __BYTE_ORDER == __LITTLE_ENDIAN |
| # define _LIBCPP_LITTLE_ENDIAN 1 |
| # define _LIBCPP_BIG_ENDIAN 0 |
| # elif __BYTE_ORDER == __BIG_ENDIAN |
| # define _LIBCPP_LITTLE_ENDIAN 0 |
| # define _LIBCPP_BIG_ENDIAN 1 |
| # 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__) |
| #define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi"))) |
| #else |
| #define _LIBCPP_NO_CFI |
| #endif |
| |
| #if defined(__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__)) || \ |
| 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)) |
| #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_defaulted_functions)) |
| #define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS |
| #endif // !(__has_feature(cxx_defaulted_functions)) |
| |
| #if !(__has_feature(cxx_deleted_functions)) |
| #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS |
| #endif // !(__has_feature(cxx_deleted_functions)) |
| |
| #if !(__has_feature(cxx_lambdas)) |
| #define _LIBCPP_HAS_NO_LAMBDAS |
| #endif |
| |
| #if !(__has_feature(cxx_nullptr)) |
| #define _LIBCPP_HAS_NO_NULLPTR |
| #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 |
| #define _LIBCPP_HAS_NO_STRONG_ENUMS |
| #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 __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_C11_FEATURES |
| #elif defined(__linux__) |
| #if !defined(_LIBCPP_HAS_MUSL_LIBC) |
| #if __GLIBC_PREREQ(2, 15) || defined(__BIONIC__) |
| #define _LIBCPP_HAS_QUICK_EXIT |
| #endif |
| #if __GLIBC_PREREQ(2, 17) |
| #define _LIBCPP_HAS_C11_FEATURES |
| #endif |
| #else // defined(_LIBCPP_HAS_MUSL_LIBC) |
| #define _LIBCPP_HAS_QUICK_EXIT |
| #define _LIBCPP_HAS_C11_FEATURES |
| #endif |
| #endif // __linux__ |
| #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 |
| |
| // Inline namespaces are available in Clang regardless of C++ dialect. |
| #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { |
| #define _LIBCPP_END_NAMESPACE_STD } } |
| #define _VSTD std::_LIBCPP_NAMESPACE |
| |
| namespace std { |
| inline namespace _LIBCPP_NAMESPACE { |
| } |
| } |
| |
| #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 |
| |
| #elif defined(__GNUC__) |
| |
| #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 |
| #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_DEFAULTED_FUNCTIONS |
| #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS |
| #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_DELETED_FUNCTIONS |
| #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 |
| |
| #if _GNUC_VER < 407 |
| #define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS |
| #endif |
| |
| #endif // __GXX_EXPERIMENTAL_CXX0X__ |
| |
| #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE { |
| #define _LIBCPP_END_NAMESPACE_STD } } |
| #define _VSTD std::_LIBCPP_NAMESPACE |
| |
| namespace std { |
| namespace _LIBCPP_NAMESPACE { |
| } |
| using namespace _LIBCPP_NAMESPACE __attribute__((__strong__)); |
| } |
| |
| #if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__) |
| #define _LIBCPP_HAS_NO_ASAN |
| #endif |
| |
| #elif defined(_LIBCPP_MSVC) |
| |
| #define _LIBCPP_HAS_NO_CONSTEXPR |
| #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR |
| #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES |
| #define _LIBCPP_HAS_NO_UNICODE_CHARS |
| #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS |
| #define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS |
| #define _LIBCPP_HAS_NO_NOEXCEPT |
| #define __alignof__ __alignof |
| #define _LIBCPP_NORETURN __declspec(noreturn) |
| #define _ALIGNAS(x) __declspec(align(x)) |
| #define _LIBCPP_HAS_NO_VARIADICS |
| |
| #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { |
| #define _LIBCPP_END_NAMESPACE_STD } |
| #define _VSTD std |
| |
| # define _LIBCPP_WEAK |
| namespace std { |
| } |
| |
| #define _LIBCPP_HAS_NO_ASAN |
| |
| #elif defined(__IBMCPP__) |
| |
| #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_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE { |
| #define _LIBCPP_END_NAMESPACE_STD } } |
| #define _VSTD std::_LIBCPP_NAMESPACE |
| |
| namespace std { |
| inline namespace _LIBCPP_NAMESPACE { |
| } |
| } |
| |
| #define _LIBCPP_HAS_NO_ASAN |
| |
| #endif // __clang__ || __GNUC__ || _MSC_VER || __IBMCPP__ |
| |
| |
| #ifdef _WIN32 |
| #if defined(_LIBCPP_DISABLE_DLL_IMPORT_EXPORT) |
| # define _LIBCPP_DLL_VIS |
| # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS |
| # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS |
| #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 |
| #else |
| # define _LIBCPP_DLL_VIS __declspec(dllimport) |
| # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS |
| # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS |
| #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_TYPE_VIS_ONLY |
| #define _LIBCPP_FUNC_VIS_ONLY |
| #define _LIBCPP_ENUM_VIS |
| #if defined(_LIBCPP_MSVC) |
| # define _LIBCPP_INLINE_VISIBILITY __forceinline |
| # define _LIBCPP_ALWAYS_INLINE __forceinline |
| # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __forceinline |
| #else |
| # define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) |
| # define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) |
| # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__ ((__always_inline__)) |
| #endif |
| #endif // _WIN32 |
| |
| #ifndef _LIBCPP_HIDDEN |
| #define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) |
| #endif |
| |
| #ifndef _LIBCPP_FUNC_VIS |
| #define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default"))) |
| #endif |
| |
| #ifndef _LIBCPP_TYPE_VIS |
| # if __has_attribute(__type_visibility__) |
| # define _LIBCPP_TYPE_VIS __attribute__ ((__type_visibility__("default"))) |
| # else |
| # define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) |
| # endif |
| #endif |
| |
| #ifndef _LIBCPP_TYPE_VIS_ONLY |
| # define _LIBCPP_TYPE_VIS_ONLY _LIBCPP_TYPE_VIS |
| #endif |
| |
| #ifndef _LIBCPP_FUNC_VIS_ONLY |
| # define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS |
| #endif |
| |
| #ifndef _LIBCPP_EXCEPTION_ABI |
| #define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default"))) |
| #endif |
| |
| #ifndef _LIBCPP_ENUM_VIS |
| # if __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 __has_attribute(__type_visibility__) |
| # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__type_visibility__("default"))) |
| # else |
| # define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS |
| # endif |
| #endif |
| |
| #ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS |
| # define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS |
| #endif |
| |
| #ifndef _LIBCPP_INLINE_VISIBILITY |
| #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__)) |
| #endif |
| |
| #ifndef _LIBCPP_ALWAYS_INLINE |
| #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__)) |
| #endif |
| |
| #ifndef _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY |
| # define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__visibility__("default"), __always_inline__)) |
| #endif |
| |
| #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 |
| |
| #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 <bool> struct __static_assert_test; |
| template <> struct __static_assert_test<true> {}; |
| template <unsigned> struct __static_assert_check {}; |
| } |
| #define static_assert(__b, __m) \ |
| typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \ |
| _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 !__is_identifier(__decltype) || _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_HAS_NO_DEFAULTED_FUNCTIONS |
| #define _LIBCPP_DEFAULT {} |
| #else |
| #define _LIBCPP_DEFAULT = default; |
| #endif |
| |
| #ifdef _LIBCPP_HAS_NO_DELETED_FUNCTIONS |
| #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__) |
| # 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_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \ |
| _LIBCPP_ALWAYS_INLINE explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ |
| _LIBCPP_ALWAYS_INLINE 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 |
| # define _LIBCPP_EXTERN_TEMPLATE(...) |
| #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(_WIN32) || \ |
| 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(_WIN32) && !defined(__BIONIC__) && !defined(_NEWLIB_VERSION) |
| #define _LIBCPP_HAS_CATOPEN 1 |
| #endif |
| #endif |
| |
| #ifdef __FreeBSD__ |
| #define _DECLARE_C99_LDBL_MATH 1 |
| #endif |
| |
| #if defined(__APPLE__) || defined(__FreeBSD__) |
| #define _LIBCPP_HAS_DEFAULTRUNELOCALE |
| #endif |
| |
| #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) |
| #define _LIBCPP_WCTYPE_IS_MASK |
| #endif |
| |
| #ifndef _LIBCPP_STD_VER |
| # if __cplusplus <= 201103L |
| # define _LIBCPP_STD_VER 11 |
| # elif __cplusplus <= 201402L |
| # define _LIBCPP_STD_VER 14 |
| # else |
| # define _LIBCPP_STD_VER 16 // current year, or date of c++17 ratification |
| # endif |
| #endif // _LIBCPP_STD_VER |
| |
| #if _LIBCPP_STD_VER > 11 |
| #define _LIBCPP_DEPRECATED [[deprecated]] |
| #else |
| #define _LIBCPP_DEPRECATED |
| #endif |
| |
| #if _LIBCPP_STD_VER <= 11 |
| #define _LIBCPP_EXPLICIT_AFTER_CXX11 |
| #define _LIBCPP_DEPRECATED_AFTER_CXX11 |
| #else |
| #define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit |
| #define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]] |
| #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 |
| |
| #ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| # define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x) |
| #else |
| # define _LIBCPP_EXPLICIT_MOVE(x) (x) |
| #endif |
| |
| #ifndef _LIBCPP_HAS_NO_ASAN |
| 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(_MSC_VER) && !defined(__clang__)) && !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_EXTERNAL) |
| # if defined(__FreeBSD__) || \ |
| defined(__Fuchsia__) || \ |
| defined(__NetBSD__) || \ |
| defined(__linux__) || \ |
| defined(__APPLE__) || \ |
| defined(__CloudABI__) || \ |
| defined(__sun__) |
| # define _LIBCPP_HAS_THREAD_API_PTHREAD |
| # 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_EXTERNAL_THREAD_API 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(_LIBCPP_HAS_MUSL_LIBC) |
| #define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE |
| #endif |
| |
| // Thread-unsafe functions such as strtok(), mbtowc() 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) |
| #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) && defined(__clang__) \ |
| && __has_attribute(acquire_capability)) |
| #define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS |
| #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(_WIN32) || defined(_NEWLIB_VERSION) |
| #define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS |
| #endif |
| #endif |
| |
| #endif // __cplusplus |
| |
| #endif // _LIBCPP_CONFIG |