diff options
Diffstat (limited to 'contrib/libc++/include/__config')
| -rw-r--r-- | contrib/libc++/include/__config | 407 |
1 files changed, 246 insertions, 161 deletions
diff --git a/contrib/libc++/include/__config b/contrib/libc++/include/__config index 3edb9de017abd..ffd37c1fbc1b4 100644 --- a/contrib/libc++/include/__config +++ b/contrib/libc++/include/__config @@ -27,14 +27,14 @@ #define _GNUC_VER 0 #endif -#define _LIBCPP_VERSION 3900 +#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 represention so that string data starts at offset 0, +// 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. @@ -43,10 +43,25 @@ #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 +// 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 #elif _LIBCPP_ABI_VERSION == 1 +#if !defined(_WIN32) +// Enable compiling a definition of error_category() into the libc++ dylib. +#define _LIBCPP_DEPRECATED_ABI_EXTERNAL_ERROR_CATEGORY_CONSTRUCTOR +#endif // Feature macros for disabling pre ABI v1 features. All of these options // are deprecated. #if defined(__FreeBSD__) @@ -64,6 +79,9 @@ #define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) +#if __cplusplus < 201103L +#define _LIBCPP_CXX03_LANG +#endif #ifndef __has_attribute #define __has_attribute(__x) 0 @@ -83,6 +101,13 @@ #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__ @@ -134,11 +159,13 @@ # define _LIBCPP_HAS_QUICK_EXIT #endif // __NetBSD__ -#ifdef _WIN32 +#if defined(_WIN32) +# define _LIBCPP_WIN32API 1 # define _LIBCPP_LITTLE_ENDIAN 1 # define _LIBCPP_BIG_ENDIAN 0 +# define _LIBCPP_SHORT_WCHAR 1 // Compiler intrinsics (MSVC) -#if defined(_MSC_VER) && _MSC_VER >= 1400 +# if defined(_MSC_VER) && _MSC_VER >= 1400 # define _LIBCPP_HAS_IS_BASE_OF # endif # if defined(_MSC_VER) && !defined(__clang__) @@ -147,11 +174,14 @@ # 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. +// 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 +# if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__)) +# define _LIBCPP_HAS_BITSCAN64 +# endif +#endif // defined(_WIN32) #ifdef __sun__ # include <sys/isa_defs.h> @@ -175,7 +205,7 @@ // 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) +#elif defined(_LIBCPP_WIN32API) # define _LIBCPP_USING_WIN32_RANDOM #else # define _LIBCPP_USING_DEV_RANDOM @@ -200,90 +230,6 @@ #define _LIBCPP_NO_CFI #endif -#ifdef _WIN32 - -// only really useful for a DLL -#ifdef _LIBCPP_DLL // this should be a compiler builtin define ideally... -# ifdef cxx_EXPORTS -# define _LIBCPP_HIDDEN -# define _LIBCPP_FUNC_VIS __declspec(dllexport) -# define _LIBCPP_TYPE_VIS __declspec(dllexport) -# else -# define _LIBCPP_HIDDEN -# define _LIBCPP_FUNC_VIS __declspec(dllimport) -# define _LIBCPP_TYPE_VIS __declspec(dllimport) -# endif -#else -# define _LIBCPP_HIDDEN -# define _LIBCPP_FUNC_VIS -# define _LIBCPP_TYPE_VIS -#endif - -#define _LIBCPP_TYPE_VIS_ONLY -#define _LIBCPP_FUNC_VIS_ONLY - -#ifndef _LIBCPP_INLINE_VISIBILITY -# ifdef _LIBCPP_MSVC -# define _LIBCPP_INLINE_VISIBILITY __forceinline -# else // MinGW GCC and Clang -# define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) -# endif -#endif - -#ifndef _LIBCPP_EXCEPTION_ABI -#define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS -#endif - -#ifndef _LIBCPP_ALWAYS_INLINE -# ifdef _LIBCPP_MSVC -# define _LIBCPP_ALWAYS_INLINE __forceinline -# endif -#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_PREFERRED_OVERLOAD -# if __has_attribute(__enable_if__) -# define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, ""))) -# 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_INLINE_VISIBILITY -#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__)) -#endif - -#ifndef _LIBCPP_EXCEPTION_ABI -#define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default"))) -#endif - -#ifndef _LIBCPP_ALWAYS_INLINE -#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__)) -#endif - #if defined(__clang__) // _LIBCPP_ALTERNATE_STRING_LAYOUT is an old name for @@ -302,10 +248,6 @@ # define _ALIGNAS(x) __attribute__((__aligned__(x))) #endif -#if !__has_feature(cxx_alias_templates) -#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES -#endif - #if __cplusplus < 201103L typedef __char16_t char16_t; typedef __char32_t char32_t; @@ -333,14 +275,6 @@ typedef __char32_t char32_t; # define _LIBCPP_NORETURN __attribute__ ((noreturn)) #endif -#if !(__has_feature(cxx_default_function_template_args)) -#define _LIBCPP_HAS_NO_DEFAULT_FUNCTION_TEMPLATE_ARGS -#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)) @@ -350,33 +284,25 @@ typedef __char32_t char32_t; #endif #if !(__has_feature(cxx_nullptr)) -#define _LIBCPP_HAS_NO_NULLPTR +# if __has_extension(cxx_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_static_assert)) -#define _LIBCPP_HAS_NO_STATIC_ASSERT -#endif - #if !(__has_feature(cxx_auto_type)) #define _LIBCPP_HAS_NO_AUTO_TYPE #endif -#if !(__has_feature(cxx_access_control_sfinae)) || !__has_feature(cxx_trailing_return) -#define _LIBCPP_HAS_NO_ADVANCED_SFINAE -#endif - #if !(__has_feature(cxx_variadic_templates)) #define _LIBCPP_HAS_NO_VARIADICS #endif -#if !(__has_feature(cxx_trailing_return)) -#define _LIBCPP_HAS_NO_TRAILING_RETURN -#endif - #if !(__has_feature(cxx_generalized_initializers)) #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS #endif @@ -415,12 +341,12 @@ typedef __char32_t char32_t; #if defined(__FreeBSD__) #define _LIBCPP_HAS_QUICK_EXIT #define _LIBCPP_HAS_C11_FEATURES -#elif defined(__ANDROID__) +#elif defined(__Fuchsia__) #define _LIBCPP_HAS_QUICK_EXIT +#define _LIBCPP_HAS_C11_FEATURES #elif defined(__linux__) #if !defined(_LIBCPP_HAS_MUSL_LIBC) -# include <features.h> -#if __GLIBC_PREREQ(2, 15) +#if __GLIBC_PREREQ(2, 15) || defined(__BIONIC__) #define _LIBCPP_HAS_QUICK_EXIT #endif #if __GLIBC_PREREQ(2, 17) @@ -504,34 +430,25 @@ namespace std { #endif #ifndef __GXX_EXPERIMENTAL_CXX0X__ - -#define _LIBCPP_HAS_NO_ADVANCED_SFINAE #define _LIBCPP_HAS_NO_DECLTYPE -#define _LIBCPP_HAS_NO_DEFAULT_FUNCTION_TEMPLATE_ARGS -#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS #define _LIBCPP_HAS_NO_NULLPTR -#define _LIBCPP_HAS_NO_STATIC_ASSERT #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_TEMPLATE_ALIASES #define _LIBCPP_HAS_NO_NOEXCEPT #else // __GXX_EXPERIMENTAL_CXX0X__ #if _GNUC_VER < 403 -#define _LIBCPP_HAS_NO_DEFAULT_FUNCTION_TEMPLATE_ARGS #define _LIBCPP_HAS_NO_RVALUE_REFERENCES -#define _LIBCPP_HAS_NO_STATIC_ASSERT #endif #if _GNUC_VER < 404 #define _LIBCPP_HAS_NO_DECLTYPE #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS -#define _LIBCPP_HAS_NO_TRAILING_RETURN #define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_NO_VARIADICS #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS @@ -540,12 +457,6 @@ namespace std { #if _GNUC_VER < 406 #define _LIBCPP_HAS_NO_NOEXCEPT #define _LIBCPP_HAS_NO_NULLPTR -#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES -#endif - -#if _GNUC_VER < 407 -#define _LIBCPP_HAS_NO_ADVANCED_SFINAE -#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS #endif #endif // __GXX_EXPERIMENTAL_CXX0X__ @@ -566,21 +477,19 @@ using namespace _LIBCPP_NAMESPACE __attribute__((__strong__)); #elif defined(_LIBCPP_MSVC) -#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES #define _LIBCPP_HAS_NO_CONSTEXPR #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES +#if _MSC_VER <= 1800 #define _LIBCPP_HAS_NO_UNICODE_CHARS +#endif #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 @@ -598,9 +507,6 @@ namespace std { #define _ATTRIBUTE(x) __attribute__((x)) #define _LIBCPP_NORETURN __attribute__((noreturn)) -#define _LIBCPP_HAS_NO_DEFAULT_FUNCTION_TEMPLATE_ARGS -#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES -#define _LIBCPP_HAS_NO_ADVANCED_SFINAE #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS #define _LIBCPP_HAS_NO_NOEXCEPT #define _LIBCPP_HAS_NO_NULLPTR @@ -626,6 +532,149 @@ namespace std { #endif // __clang__ || __GNUC__ || _MSC_VER || __IBMCPP__ +#if defined(__ELF__) +#define _LIBCPP_OBJECT_FORMAT_ELF 1 +#elif defined(__MACH__) +#define _LIBCPP_OBJECT_FORMAT_MACHO 1 +#else +#define _LIBCPP_OBJECT_FORMAT_COFF 1 +#endif + +#if defined(_LIBCPP_OBJECT_FORMAT_COFF) +#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 +#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 +#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 +#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_TEMPLATE_VIS +#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 // 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_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) +# if __has_attribute(__type_visibility__) +# define _LIBCPP_TYPE_VIS __attribute__ ((__type_visibility__("default"))) +# else +# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) +# endif +# else +# define _LIBCPP_TYPE_VIS +# endif +#endif + +#ifndef _LIBCPP_TEMPLATE_VIS +# define _LIBCPP_TEMPLATE_VIS _LIBCPP_TYPE_VIS +#endif + +#ifndef _LIBCPP_FUNC_VIS_ONLY +# define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS +#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__ ((__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 +#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__)) +#else +#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__)) +#endif +#endif + +#ifndef _LIBCPP_ALWAYS_INLINE +#if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__)) +#else +#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) +#endif +#endif + +#ifndef _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY +# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__visibility__("default"), __always_inline__)) +# else +# define _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY __attribute__((__always_inline__)) +# endif +#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) @@ -634,6 +683,17 @@ namespace std { # 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 +# define _NOEXCEPT_DEBUG noexcept(false) +# define _NOEXCEPT_DEBUG_(x) noexcept(false) +#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; @@ -643,8 +703,10 @@ typedef unsigned int char32_t; #define _LIBCPP_HAS_NO_INT128 #endif -#ifdef _LIBCPP_HAS_NO_STATIC_ASSERT - +#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> {}; @@ -653,8 +715,8 @@ 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 // _LIBCPP_HAS_NO_STATIC_ASSERT +# endif // __has_extension(c_static_assert) +#endif // _LIBCPP_CXX03_LANG #ifdef _LIBCPP_HAS_NO_DECLTYPE // GCC 4.6 provides __decltype in all standard modes. @@ -671,7 +733,7 @@ template <unsigned> struct __static_assert_check {}; #define _LIBCPP_CONSTEXPR constexpr #endif -#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS +#ifdef _LIBCPP_CXX03_LANG #define _LIBCPP_DEFAULT {} #else #define _LIBCPP_DEFAULT = default; @@ -689,7 +751,8 @@ template <unsigned> struct __static_assert_check {}; #define _NOALIAS #endif -#if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) +#if __has_extension(cxx_explicit_conversions) || defined(__IBMCPP__) || \ + (!defined(_LIBCPP_CXX03_LANG) && defined(__GNUC__)) // All supported GCC versions # define _LIBCPP_EXPLICIT explicit #else # define _LIBCPP_EXPLICIT @@ -708,7 +771,7 @@ template <unsigned> struct __static_assert_check {}; _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \ }; #else // _LIBCPP_HAS_NO_STRONG_ENUMS -#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS x +#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 @@ -735,14 +798,14 @@ template <unsigned> struct __static_assert_check {}; #define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63) #endif -#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || \ +#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT) || \ 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(__ANDROID__) && !defined(_NEWLIB_VERSION) +#if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION) #define _LIBCPP_HAS_CATOPEN 1 #endif #endif @@ -795,6 +858,11 @@ template <unsigned> struct __static_assert_check {}; #define _LIBCPP_CONSTEXPR_AFTER_CXX14 #endif +// FIXME: Remove all usages of this macro once compilers catch up. +#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606L) +# define _LIBCPP_HAS_NO_INLINE_VARIABLES +#endif + #ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES # define _LIBCPP_EXPLICIT_MOVE(x) _VSTD::move(x) #else @@ -802,7 +870,7 @@ template <unsigned> struct __static_assert_check {}; #endif #ifndef _LIBCPP_HAS_NO_ASAN -extern "C" void __sanitizer_annotate_contiguous_container( +_LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( const void *, const void *, const void *, const void *); #endif @@ -823,8 +891,11 @@ extern "C" void __sanitizer_annotate_contiguous_container( #endif // Thread API -#if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) +#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__) || \ @@ -841,6 +912,11 @@ extern "C" void __sanitizer_annotate_contiguous_container( _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. @@ -861,11 +937,12 @@ extern "C" void __sanitizer_annotate_contiguous_container( #define _LIBCPP_HAS_NO_STDOUT #endif -#if defined(__ANDROID__) || defined(__CloudABI__) || defined(_LIBCPP_HAS_MUSL_LIBC) +#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() +// Thread-unsafe functions such as strtok() and localtime() // are not available. #ifdef __CloudABI__ #define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS @@ -886,17 +963,25 @@ extern "C" void __sanitizer_annotate_contiguous_container( #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK #endif -#if __cplusplus < 201103L -#define _LIBCPP_CXX03_LANG +#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 -#if defined(_LIBCPP_HAS_NO_VARIADIC_TEMPLATES) || defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) -#error Libc++ requires a feature complete C++11 compiler in C++11 or greater. +#define _LIBCPP_SAFE_STATIC #endif + +#if !__has_builtin(__builtin_addressof) && _GNUC_VER < 700 +#define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF #endif -#if (defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS) && defined(__clang__) \ - && __has_attribute(acquire_capability)) -#define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS +#if !defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS) +#if defined(_LIBCPP_MSVCRT) || defined(_NEWLIB_VERSION) +#define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS +#endif #endif #endif // __cplusplus |