diff options
Diffstat (limited to 'third_party/libcxx/include/c++/v1/__config')
| -rw-r--r-- | third_party/libcxx/include/c++/v1/__config | 612 |
1 files changed, 0 insertions, 612 deletions
diff --git a/third_party/libcxx/include/c++/v1/__config b/third_party/libcxx/include/c++/v1/__config deleted file mode 100644 index 942b0a9..0000000 --- a/third_party/libcxx/include/c++/v1/__config +++ /dev/null @@ -1,612 +0,0 @@ -// -*- C++ -*- -//===----------------------------------------------------------------------===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#ifndef _LIBCPP___CONFIG -#define _LIBCPP___CONFIG - -#include <__config_site> - -#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -# pragma GCC system_header -#endif - -#ifdef __cplusplus - -# include <__configuration/abi.h> -# include <__configuration/attributes.h> -# include <__configuration/availability.h> -# include <__configuration/compiler.h> -# include <__configuration/experimental.h> -# include <__configuration/hardening.h> -# include <__configuration/language.h> -# include <__configuration/platform.h> - -// The attributes supported by clang are documented at https://clang.llvm.org/docs/AttributeReference.html - -// _LIBCPP_VERSION represents the version of libc++, which matches the version of LLVM. -// Given a LLVM release LLVM XX.YY.ZZ (e.g. LLVM 17.0.1 == 17.00.01), _LIBCPP_VERSION is -// defined to XXYYZZ. -# define _LIBCPP_VERSION 230000 - -# define _LIBCPP_CONCAT_IMPL(_X, _Y) _X##_Y -# define _LIBCPP_CONCAT(_X, _Y) _LIBCPP_CONCAT_IMPL(_X, _Y) -# define _LIBCPP_CONCAT3(X, Y, Z) _LIBCPP_CONCAT(X, _LIBCPP_CONCAT(Y, Z)) - -# define _LIBCPP_TOSTRING2(x) #x -# define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) - -# ifndef __has_constexpr_builtin -# define __has_constexpr_builtin(x) 0 -# endif - -// This checks wheter a Clang module is built -# ifndef __building_module -# define __building_module(...) 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 - -# define __has_keyword(__x) !(__is_identifier(__x)) - -# ifndef __has_warning -# define __has_warning(...) 0 -# endif - -# if !defined(_LIBCPP_COMPILER_CLANG_BASED) && __cplusplus < 201103L -# error "libc++ only supports C++03 with Clang-based compilers. Please enable C++11" -# endif - -# if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_NO_VCRUNTIME) -# define _LIBCPP_ABI_VCRUNTIME -# endif - -# if defined(__MVS__) -# include <features.h> // for __NATIVE_ASCII_F -# endif - -# if defined(_WIN32) -# define _LIBCPP_WIN32API -# define _LIBCPP_SHORT_WCHAR 1 -// Both MinGW and native MSVC provide a "MSVC"-like environment -# 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 1 -# else -# define _LIBCPP_HAS_BITSCAN64 0 -# endif -# define _LIBCPP_HAS_OPEN_WITH_WCHAR 1 -# else -# define _LIBCPP_HAS_OPEN_WITH_WCHAR 0 -# define _LIBCPP_HAS_BITSCAN64 0 -# endif // defined(_WIN32) - -# if defined(_AIX) && !defined(__64BIT__) -// The size of wchar is 2 byte on 32-bit mode on AIX. -# define _LIBCPP_SHORT_WCHAR 1 -# endif - -// Libc++ supports various implementations of std::random_device. -// -// _LIBCPP_USING_DEV_RANDOM -// Read entropy from the given file, by default `/dev/urandom`. -// If a token is provided, it is assumed to be the path to a file -// to read entropy from. This is the default behavior if nothing -// else is specified. This implementation requires storing state -// inside `std::random_device`. -// -// _LIBCPP_USING_ARC4_RANDOM -// Use arc4random(). This allows obtaining random data even when -// using sandboxing mechanisms. On some platforms like Apple, this -// is the recommended source of entropy for user-space programs. -// When this option is used, the token passed to `std::random_device`'s -// constructor *must* be "/dev/urandom" -- anything else is an error. -// -// _LIBCPP_USING_GETENTROPY -// Use getentropy(). -// When this option is used, the token passed to `std::random_device`'s -// constructor *must* be "/dev/urandom" -- anything else is an error. -// -// _LIBCPP_USING_FUCHSIA_CPRNG -// Use Fuchsia's zx_cprng_draw() system call, which is specified to -// deliver high-quality entropy and cannot fail. -// When this option is used, the token passed to `std::random_device`'s -// constructor *must* be "/dev/urandom" -- anything else is an error. -// -// _LIBCPP_USING_WIN32_RANDOM -// Use rand_s(), for use on Windows. -// When this option is used, the token passed to `std::random_device`'s -// constructor *must* be "/dev/urandom" -- anything else is an error. -# if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \ - defined(__DragonFly__) -# define _LIBCPP_USING_ARC4_RANDOM -# elif defined(__wasi__) || defined(__EMSCRIPTEN__) -# define _LIBCPP_USING_GETENTROPY -# elif defined(__Fuchsia__) -# define _LIBCPP_USING_FUCHSIA_CPRNG -# elif defined(_LIBCPP_WIN32API) -# define _LIBCPP_USING_WIN32_RANDOM -# else -# define _LIBCPP_USING_DEV_RANDOM -# endif - -# ifndef _LIBCPP_CXX03_LANG - -# define _LIBCPP_ALIGNOF(...) alignof(__VA_ARGS__) -# define _ALIGNAS_TYPE(x) alignas(x) -# define _ALIGNAS(x) alignas(x) -# define _NOEXCEPT noexcept -# define _NOEXCEPT_(...) noexcept(__VA_ARGS__) -# define _LIBCPP_CONSTEXPR constexpr - -# else - -# define _LIBCPP_ALIGNOF(...) _Alignof(__VA_ARGS__) -# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x)))) -# define _ALIGNAS(x) __attribute__((__aligned__(x))) -# define nullptr __nullptr -# define _NOEXCEPT throw() -# define _NOEXCEPT_(...) -# define static_assert(...) _Static_assert(__VA_ARGS__) -# define decltype(...) __decltype(__VA_ARGS__) -# define _LIBCPP_CONSTEXPR - -typedef __char16_t char16_t; -typedef __char32_t char32_t; - -# endif - -# define _LIBCPP_PREFERRED_ALIGNOF(_Tp) __alignof(_Tp) - -# if __has_extension(blocks) && defined(__APPLE__) -# define _LIBCPP_HAS_BLOCKS_RUNTIME 1 -# else -# define _LIBCPP_HAS_BLOCKS_RUNTIME 0 -# endif - -# ifdef _LIBCPP_COMPILER_CLANG_BASED -# define _LIBCPP_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push") -# define _LIBCPP_DIAGNOSTIC_POP _Pragma("clang diagnostic pop") -# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str)) -# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str) -# elif defined(_LIBCPP_COMPILER_GCC) -# define _LIBCPP_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push") -# define _LIBCPP_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop") -# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) -# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(GCC diagnostic ignored str)) -# else -# define _LIBCPP_DIAGNOSTIC_PUSH -# define _LIBCPP_DIAGNOSTIC_POP -# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) -# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str) -# endif - -// Macros to enter and leave a state where deprecation warnings are suppressed. -# define _LIBCPP_SUPPRESS_DEPRECATED_PUSH \ - _LIBCPP_DIAGNOSTIC_PUSH _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wdeprecated") \ - _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations") -# define _LIBCPP_SUPPRESS_DEPRECATED_POP _LIBCPP_DIAGNOSTIC_POP - -// Clang modules take a significant compile time hit when pushing and popping diagnostics. -// Since all the headers are marked as system headers unless _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER is defined, we can -// simply disable this pushing and popping when _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER isn't defined. -# ifdef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -# define _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS \ - _LIBCPP_DIAGNOSTIC_PUSH \ - _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++11-extensions") \ - _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++14-extensions") \ - _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++17-extensions") \ - _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++20-extensions") \ - _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wc++23-extensions") \ - _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wc++14-extensions") \ - _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wc++17-extensions") \ - _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wc++20-extensions") \ - _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wc++23-extensions") -# define _LIBCPP_POP_EXTENSION_DIAGNOSTICS _LIBCPP_DIAGNOSTIC_POP -# else -# define _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS -# define _LIBCPP_POP_EXTENSION_DIAGNOSTICS -# endif - -// clang-format off - -// The unversioned namespace is used when we want to be ABI compatible with other standard libraries in some way. There -// are two main categories where that's the case: -// - Historically, we have made exception types ABI compatible with libstdc++ to allow throwing them between libstdc++ -// and libc++. This is not used anymore for new exception types, since there is no use-case for it anymore. -// - Types and functions which are used by the compiler are in the unversioned namespace, since the compiler has to know -// their mangling without the appropriate declaration in some cases. -// If it's not clear whether using the unversioned namespace is the correct thing to do, it's not. The versioned -// namespace (_LIBCPP_BEGIN_NAMESPACE_STD) should almost always be used. -# define _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD \ - _LIBCPP_PUSH_EXTENSION_DIAGNOSTICS namespace _LIBCPP_NAMESPACE_VISIBILITY std { - -# define _LIBCPP_END_UNVERSIONED_NAMESPACE_STD } _LIBCPP_POP_EXTENSION_DIAGNOSTICS - -# define _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD inline namespace _LIBCPP_ABI_NAMESPACE { -# define _LIBCPP_END_NAMESPACE_STD } _LIBCPP_END_UNVERSIONED_NAMESPACE_STD - -// TODO: This should really be in the versioned namespace -#define _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL _LIBCPP_BEGIN_UNVERSIONED_NAMESPACE_STD namespace experimental { -#define _LIBCPP_END_NAMESPACE_EXPERIMENTAL } _LIBCPP_END_UNVERSIONED_NAMESPACE_STD - -#define _LIBCPP_BEGIN_NAMESPACE_LFTS _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL inline namespace fundamentals_v1 { -#define _LIBCPP_END_NAMESPACE_LFTS } _LIBCPP_END_NAMESPACE_EXPERIMENTAL - -#define _LIBCPP_BEGIN_NAMESPACE_LFTS_V2 _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL inline namespace fundamentals_v2 { -#define _LIBCPP_END_NAMESPACE_LFTS_V2 } _LIBCPP_END_NAMESPACE_EXPERIMENTAL - -#ifdef _LIBCPP_ABI_NO_FILESYSTEM_INLINE_NAMESPACE -# define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM _LIBCPP_BEGIN_NAMESPACE_STD namespace filesystem { -# define _LIBCPP_END_NAMESPACE_FILESYSTEM } _LIBCPP_END_NAMESPACE_STD -#else -# define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM _LIBCPP_BEGIN_NAMESPACE_STD \ - inline namespace __fs { namespace filesystem { - -# define _LIBCPP_END_NAMESPACE_FILESYSTEM }} _LIBCPP_END_NAMESPACE_STD -#endif - -// clang-format on - -# if !defined(__SIZEOF_INT128__) || defined(_MSC_VER) -# define _LIBCPP_HAS_INT128 0 -# else -# define _LIBCPP_HAS_INT128 1 -# endif - -# ifdef _LIBCPP_CXX03_LANG -# define _LIBCPP_DECLARE_STRONG_ENUM(x) \ - struct _LIBCPP_EXPORTED_FROM_ABI x { \ - enum __lx -// clang-format off -# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ - __lx __v_; \ - _LIBCPP_HIDE_FROM_ABI x(__lx __v) : __v_(__v) {} \ - _LIBCPP_HIDE_FROM_ABI explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ - _LIBCPP_HIDE_FROM_ABI operator int() const { return __v_; } \ - }; -// clang-format on - -# else // _LIBCPP_CXX03_LANG -# define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class x -# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) -# endif // _LIBCPP_CXX03_LANG - -# 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_LIBRARY_ALIGNED_ALLOCATION 0 -# elif defined(_LIBCPP_ABI_VCRUNTIME) && !defined(__cpp_aligned_new) -// We're deferring 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_LIBRARY_ALIGNED_ALLOCATION 0 -# elif defined(__MVS__) -# define _LIBCPP_HAS_LIBRARY_ALIGNED_ALLOCATION 0 -# else -# define _LIBCPP_HAS_LIBRARY_ALIGNED_ALLOCATION 1 -# endif - -# if !_LIBCPP_HAS_LIBRARY_ALIGNED_ALLOCATION || (!defined(__cpp_aligned_new) || __cpp_aligned_new < 201606) -# define _LIBCPP_HAS_ALIGNED_ALLOCATION 0 -# else -# define _LIBCPP_HAS_ALIGNED_ALLOCATION 1 -# endif - -# if defined(__APPLE__) || defined(__FreeBSD__) -# define _LIBCPP_WCTYPE_IS_MASK -# endif - -// FIXME: using `#warning` causes diagnostics from system headers which include deprecated headers. This can only be -// enabled again once https://github.com/llvm/llvm-project/pull/168041 (or a similar feature) has landed, since that -// allows suppression in system headers. -# if defined(__DEPRECATED) && __DEPRECATED && !defined(_LIBCPP_DISABLE_DEPRECATION_WARNINGS) && 0 -# define _LIBCPP_DIAGNOSE_DEPRECATED_HEADERS 1 -# else -# define _LIBCPP_DIAGNOSE_DEPRECATED_HEADERS 0 -# endif - -# if _LIBCPP_STD_VER <= 11 -# define _LIBCPP_EXPLICIT_SINCE_CXX14 -# else -# define _LIBCPP_EXPLICIT_SINCE_CXX14 explicit -# endif - -# if _LIBCPP_STD_VER >= 23 -# define _LIBCPP_EXPLICIT_SINCE_CXX23 explicit -# else -# define _LIBCPP_EXPLICIT_SINCE_CXX23 -# endif - -# if _LIBCPP_STD_VER >= 14 -# define _LIBCPP_CONSTEXPR_SINCE_CXX14 constexpr -# else -# define _LIBCPP_CONSTEXPR_SINCE_CXX14 -# endif - -# if _LIBCPP_STD_VER >= 17 -# define _LIBCPP_CONSTEXPR_SINCE_CXX17 constexpr -# else -# define _LIBCPP_CONSTEXPR_SINCE_CXX17 -# endif - -# if _LIBCPP_STD_VER >= 20 -# define _LIBCPP_CONSTEXPR_SINCE_CXX20 constexpr -# else -# define _LIBCPP_CONSTEXPR_SINCE_CXX20 -# endif - -# if _LIBCPP_STD_VER >= 23 -# define _LIBCPP_CONSTEXPR_SINCE_CXX23 constexpr -# else -# define _LIBCPP_CONSTEXPR_SINCE_CXX23 -# endif - -# if _LIBCPP_STD_VER >= 26 -# define _LIBCPP_CONSTEXPR_SINCE_CXX26 constexpr -# else -# define _LIBCPP_CONSTEXPR_SINCE_CXX26 -# endif - -// Thread API -// clang-format off -# if _LIBCPP_HAS_THREADS && \ - !_LIBCPP_HAS_THREAD_API_PTHREAD && \ - !_LIBCPP_HAS_THREAD_API_WIN32 && \ - !_LIBCPP_HAS_THREAD_API_EXTERNAL && \ - !_LIBCPP_HAS_THREAD_API_C11 - -# if defined(__FreeBSD__) || \ - defined(__wasi__) || \ - defined(__NetBSD__) || \ - defined(__OpenBSD__) || \ - defined(__NuttX__) || \ - defined(__linux__) || \ - defined(__GNU__) || \ - defined(__APPLE__) || \ - defined(__MVS__) || \ - defined(_AIX) || \ - defined(__EMSCRIPTEN__) -// clang-format on -# undef _LIBCPP_HAS_THREAD_API_PTHREAD -# define _LIBCPP_HAS_THREAD_API_PTHREAD 1 -# elif defined(__Fuchsia__) -// TODO(44575): Switch to C11 thread API when possible. -# undef _LIBCPP_HAS_THREAD_API_PTHREAD -# define _LIBCPP_HAS_THREAD_API_PTHREAD 1 -# elif defined(_LIBCPP_WIN32API) -# undef _LIBCPP_HAS_THREAD_API_WIN32 -# define _LIBCPP_HAS_THREAD_API_WIN32 1 -# else -# error "No thread API" -# endif // _LIBCPP_HAS_THREAD_API -# endif // _LIBCPP_HAS_THREADS - -# if !_LIBCPP_HAS_THREAD_API_PTHREAD -# define _LIBCPP_HAS_COND_CLOCKWAIT 0 -# elif (defined(__ANDROID__) && __ANDROID_API__ >= 30) || _LIBCPP_GLIBC_PREREQ(2, 30) -# define _LIBCPP_HAS_COND_CLOCKWAIT 1 -# else -# define _LIBCPP_HAS_COND_CLOCKWAIT 0 -# endif - -# if !_LIBCPP_HAS_THREADS && _LIBCPP_HAS_THREAD_API_PTHREAD -# error _LIBCPP_HAS_THREAD_API_PTHREAD may only be true when _LIBCPP_HAS_THREADS is true. -# endif - -# if !_LIBCPP_HAS_THREADS && _LIBCPP_HAS_THREAD_API_EXTERNAL -# error _LIBCPP_HAS_THREAD_API_EXTERNAL may only be true when _LIBCPP_HAS_THREADS is true. -# endif - -# if !_LIBCPP_HAS_THREADS && _LIBCPP_HAS_THREAD_API_C11 -# error _LIBCPP_HAS_THREAD_API_C11 may only be true when _LIBCPP_HAS_THREADS is true. -# endif - -# if !_LIBCPP_HAS_MONOTONIC_CLOCK && _LIBCPP_HAS_THREADS -# error _LIBCPP_HAS_MONOTONIC_CLOCK may only be false when _LIBCPP_HAS_THREADS is false. -# endif - -# if _LIBCPP_HAS_THREADS && !defined(__STDCPP_THREADS__) -# define __STDCPP_THREADS__ 1 -# endif - -// The glibc and Bionic implementation of pthreads implements -// pthread_mutex_destroy as nop for regular mutexes. Additionally, Win32 -// mutexes have no destroy mechanism. -// -// This optimization can't be performed on Apple platforms, where -// pthread_mutex_destroy can allow the kernel to release resources. -// See https://llvm.org/D64298 for details. -// -// TODO(EricWF): Enable this optimization on Bionic after speaking to their -// respective stakeholders. -// clang-format off -# if (_LIBCPP_HAS_THREAD_API_PTHREAD && defined(__GLIBC__)) || \ - (_LIBCPP_HAS_THREAD_API_C11 && defined(__Fuchsia__)) || \ - _LIBCPP_HAS_THREAD_API_WIN32 -// clang-format on -# define _LIBCPP_HAS_TRIVIAL_MUTEX_DESTRUCTION 1 -# else -# define _LIBCPP_HAS_TRIVIAL_MUTEX_DESTRUCTION 0 -# endif - -// Destroying a condvar is a nop on Windows. -// -// This optimization can't be performed on Apple platforms, where -// pthread_cond_destroy can allow the kernel to release resources. -// See https://llvm.org/D64298 for details. -// -// TODO(EricWF): This is potentially true for some pthread implementations -// as well. -# if (_LIBCPP_HAS_THREAD_API_C11 && defined(__Fuchsia__)) || _LIBCPP_HAS_THREAD_API_WIN32 -# define _LIBCPP_HAS_TRIVIAL_CONDVAR_DESTRUCTION 1 -# else -# define _LIBCPP_HAS_TRIVIAL_CONDVAR_DESTRUCTION 0 -# endif - -# if defined(__BIONIC__) || defined(__NuttX__) || defined(__Fuchsia__) || defined(__wasi__) || \ - _LIBCPP_HAS_MUSL_LIBC || defined(__OpenBSD__) || _LIBCPP_LIBC_LLVM_LIBC -# define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE -# endif - -# if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic) -# define _LIBCPP_HAS_C_ATOMIC_IMP 1 -# define _LIBCPP_HAS_GCC_ATOMIC_IMP 0 -# define _LIBCPP_HAS_EXTERNAL_ATOMIC_IMP 0 -# elif defined(_LIBCPP_COMPILER_GCC) -# define _LIBCPP_HAS_C_ATOMIC_IMP 0 -# define _LIBCPP_HAS_GCC_ATOMIC_IMP 1 -# define _LIBCPP_HAS_EXTERNAL_ATOMIC_IMP 0 -# endif - -# if !_LIBCPP_HAS_C_ATOMIC_IMP && !_LIBCPP_HAS_GCC_ATOMIC_IMP && !_LIBCPP_HAS_EXTERNAL_ATOMIC_IMP -# define _LIBCPP_HAS_ATOMIC_HEADER 0 -# else -# define _LIBCPP_HAS_ATOMIC_HEADER 1 -# ifndef _LIBCPP_ATOMIC_FLAG_TYPE -# define _LIBCPP_ATOMIC_FLAG_TYPE bool -# endif -# endif - -// We often repeat things just for handling wide characters in the library. -// When wide characters are disabled, it can be useful to have a quick way of -// disabling it without having to resort to #if-#endif, which has a larger -// impact on readability. -# if !_LIBCPP_HAS_WIDE_CHARACTERS -# define _LIBCPP_IF_WIDE_CHARACTERS(...) -# else -# define _LIBCPP_IF_WIDE_CHARACTERS(...) __VA_ARGS__ -# endif - -// clang-format off -# define _LIBCPP_PUSH_MACROS _Pragma("push_macro(\"min\")") _Pragma("push_macro(\"max\")") _Pragma("push_macro(\"refresh\")") _Pragma("push_macro(\"move\")") _Pragma("push_macro(\"erase\")") -# define _LIBCPP_POP_MACROS _Pragma("pop_macro(\"min\")") _Pragma("pop_macro(\"max\")") _Pragma("pop_macro(\"refresh\")") _Pragma("pop_macro(\"move\")") _Pragma("pop_macro(\"erase\")") -// clang-format on - -# ifndef _LIBCPP_NO_AUTO_LINK -# if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY) -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) -# 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 - -// Configures the fopen close-on-exec mode character, if any. This string will -// be appended to any mode string used by fstream for fopen/fdopen. -// -// Not all platforms support this, but it helps avoid fd-leaks on platforms that -// do. -# if defined(__BIONIC__) -# define _LIBCPP_FOPEN_CLOEXEC_MODE "e" -# else -# define _LIBCPP_FOPEN_CLOEXEC_MODE -# endif - -// c8rtomb() and mbrtoc8() were added in C++20 and C23. Support for these -// functions is gradually being added to existing C libraries. The conditions -// below check for known C library versions and conditions under which these -// functions are declared by the C library. -// -// GNU libc 2.36 and newer declare c8rtomb() and mbrtoc8() in C++ modes if -// __cpp_char8_t is defined or if C2X extensions are enabled. Determining -// the latter depends on internal GNU libc details that are not appropriate -// to depend on here, so any declarations present when __cpp_char8_t is not -// defined are ignored. -# if _LIBCPP_GLIBC_PREREQ(2, 36) && defined(__cpp_char8_t) -# define _LIBCPP_HAS_C8RTOMB_MBRTOC8 1 -# else -# define _LIBCPP_HAS_C8RTOMB_MBRTOC8 0 -# endif - -// There are a handful of public standard library types that are intended to -// support CTAD but don't need any explicit deduction guides to do so. This -// macro is used to mark them as such, which suppresses the -// '-Wctad-maybe-unsupported' compiler warning when CTAD is used in user code -// with these classes. -# if _LIBCPP_STD_VER >= 17 -# ifdef _LIBCPP_COMPILER_CLANG_BASED -# define _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(_ClassName) \ - template <class... _Tag> \ - [[maybe_unused]] _ClassName(typename _Tag::__allow_ctad...)->_ClassName<_Tag...> -# else -# define _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(ClassName) \ - template <class... _Tag> \ - ClassName(typename _Tag::__allow_ctad...)->ClassName<_Tag...> -# endif -# else -# define _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(_ClassName) static_assert(true, "") -# endif - -# if defined(__OBJC__) && defined(_LIBCPP_APPLE_CLANG_VER) -# define _LIBCPP_WORKAROUND_OBJCXX_COMPILER_INTRINSICS -# endif - -# define _PSTL_PRAGMA(x) _Pragma(#x) - -// Enable SIMD for compilers that support OpenMP 4.0 -# if (defined(_OPENMP) && _OPENMP >= 201307) - -# define _PSTL_UDR_PRESENT -# define _PSTL_PRAGMA_SIMD _PSTL_PRAGMA(omp simd) -# define _PSTL_PRAGMA_DECLARE_SIMD _PSTL_PRAGMA(omp declare simd) -# define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _PSTL_PRAGMA(omp simd reduction(PRM)) -# define _PSTL_PRAGMA_SIMD_SCAN(PRM) _PSTL_PRAGMA(omp simd reduction(inscan, PRM)) -# define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan inclusive(PRM)) -# define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM) _PSTL_PRAGMA(omp scan exclusive(PRM)) - -// Declaration of reduction functor, where -// NAME - the name of the functor -// OP - type of the callable object with the reduction operation -// omp_in - refers to the local partial result -// omp_out - refers to the final value of the combiner operator -// omp_priv - refers to the private copy of the initial value -// omp_orig - refers to the original variable to be reduced -# define _PSTL_PRAGMA_DECLARE_REDUCTION(NAME, OP) \ - _PSTL_PRAGMA(omp declare reduction(NAME:OP : omp_out(omp_in)) initializer(omp_priv = omp_orig)) - -# elif defined(_LIBCPP_COMPILER_CLANG_BASED) - -# define _PSTL_PRAGMA_SIMD _Pragma("clang loop vectorize(enable) interleave(enable)") -# define _PSTL_PRAGMA_DECLARE_SIMD -# define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) _Pragma("clang loop vectorize(enable) interleave(enable)") -# define _PSTL_PRAGMA_SIMD_SCAN(PRM) _Pragma("clang loop vectorize(enable) interleave(enable)") -# define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM) -# define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM) -# define _PSTL_PRAGMA_DECLARE_REDUCTION(NAME, OP) - -# else // (defined(_OPENMP) && _OPENMP >= 201307) - -# define _PSTL_PRAGMA_SIMD -# define _PSTL_PRAGMA_DECLARE_SIMD -# define _PSTL_PRAGMA_SIMD_REDUCTION(PRM) -# define _PSTL_PRAGMA_SIMD_SCAN(PRM) -# define _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN(PRM) -# define _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN(PRM) -# define _PSTL_PRAGMA_DECLARE_REDUCTION(NAME, OP) - -# endif // (defined(_OPENMP) && _OPENMP >= 201307) - -# define _PSTL_USE_NONTEMPORAL_STORES_IF_ALLOWED - -#endif // __cplusplus - -#endif // _LIBCPP___CONFIG |