diff options
Diffstat (limited to 'include/__config')
| -rw-r--r-- | include/__config | 135 |
1 files changed, 97 insertions, 38 deletions
diff --git a/include/__config b/include/__config index 888f3c098cf4..f141f4f1b7f9 100644 --- a/include/__config +++ b/include/__config @@ -11,19 +11,35 @@ #ifndef _LIBCPP_CONFIG #define _LIBCPP_CONFIG -#if !defined(_MSC_VER) || defined(__clang__) +#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 3700 +#define _LIBCPP_VERSION 3800 +#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, +// 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 +#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) @@ -37,6 +53,9 @@ #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 @@ -61,6 +80,16 @@ #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 @@ -227,9 +256,12 @@ #if defined(__clang__) -#if defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \ - !defined(__arm__) -#define _LIBCPP_ALTERNATE_STRING_LAYOUT +// _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) @@ -273,6 +305,10 @@ typedef __char32_t char32_t; #define _LIBCPP_UNUSED __attribute__((__unused__)) +#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)) @@ -354,24 +390,23 @@ typedef __char32_t char32_t; #elif defined(__ANDROID__) #define _LIBCPP_HAS_QUICK_EXIT #elif defined(__linux__) -#include <features.h> +#if !defined(_LIBCPP_HAS_MUSL_LIBC) +# include <features.h> #if __GLIBC_PREREQ(2, 15) #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 _NOEXCEPT noexcept -# define _NOEXCEPT_(x) noexcept(x) -# define _NOEXCEPT_OR_FALSE(x) noexcept(x) -#else -# define _NOEXCEPT throw() -# define _NOEXCEPT_(x) -# define _NOEXCEPT_OR_FALSE(x) false +#if !(__has_feature(cxx_noexcept)) +#define _LIBCPP_HAS_NO_NOEXCEPT #endif #if __has_feature(underlying_type) @@ -429,19 +464,21 @@ namespace std { #define _LIBCPP_HAS_NO_CONSTEXPR #endif -// No version of GCC supports relaxed constexpr rules +// 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 - -#define _NOEXCEPT throw() -#define _NOEXCEPT_(x) -#define _NOEXCEPT_OR_FALSE(x) false +#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 @@ -449,31 +486,29 @@ namespace std { #define _LIBCPP_HAS_NO_UNICODE_CHARS #define _LIBCPP_HAS_NO_VARIADICS #define _LIBCPP_HAS_NO_RVALUE_REFERENCES -#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS #define _LIBCPP_HAS_NO_STRONG_ENUMS +#define _LIBCPP_HAS_NO_NOEXCEPT #else // __GXX_EXPERIMENTAL_CXX0X__ -#define _LIBCPP_HAS_NO_TRAILING_RETURN -#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS - #if _GNUC_VER < 403 +#define _LIBCPP_HAS_NO_DEFAULT_FUNCTION_TEMPLATE_ARGS #define _LIBCPP_HAS_NO_RVALUE_REFERENCES -#endif - -#if _GNUC_VER < 403 #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 #endif // _GNUC_VER < 404 #if _GNUC_VER < 406 +#define _LIBCPP_HAS_NO_NOEXCEPT #define _LIBCPP_HAS_NO_NULLPTR #endif @@ -501,22 +536,20 @@ using namespace _LIBCPP_NAMESPACE __attribute__((__strong__)); #elif defined(_LIBCPP_MSVC) #define _LIBCPP_HAS_NO_TEMPLATE_ALIASES -#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER #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 _LIBCPP_UNUSED #define _ALIGNAS(x) __declspec(align(x)) #define _LIBCPP_HAS_NO_VARIADICS -#define _NOEXCEPT throw () -#define _NOEXCEPT_(x) -#define _NOEXCEPT_OR_FALSE(x) false + #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { #define _LIBCPP_END_NAMESPACE_STD } @@ -536,14 +569,11 @@ namespace std { #define _LIBCPP_NORETURN __attribute__((noreturn)) #define _LIBCPP_UNUSED -#define _NOEXCEPT throw() -#define _NOEXCEPT_(x) -#define _NOEXCEPT_OR_FALSE(x) false - +#define _LIBCPP_HAS_NO_DEFAULT_FUNCTION_TEMPLATE_ARGS #define _LIBCPP_HAS_NO_TEMPLATE_ALIASES #define _LIBCPP_HAS_NO_ADVANCED_SFINAE -#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS #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 @@ -567,6 +597,14 @@ namespace std { #endif // __clang__ || __GNUC__ || _MSC_VER || __IBMCPP__ +#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; @@ -578,9 +616,11 @@ typedef unsigned int char32_t; #ifdef _LIBCPP_HAS_NO_STATIC_ASSERT +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__) @@ -716,6 +756,12 @@ template <unsigned> struct __static_assert_check {}; #define _LIBCPP_CONSTEXPR_AFTER_CXX11 #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 *); @@ -725,7 +771,7 @@ extern "C" void __sanitizer_annotate_contiguous_container( // 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(__GNUG__) && ((__GNUC__ >= 5) || (__GNUC__ == 4 && \ +# 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) @@ -757,7 +803,7 @@ extern "C" void __sanitizer_annotate_contiguous_container( #define _LIBCPP_HAS_NO_STDOUT #endif -#if defined(__ANDROID__) || defined(__CloudABI__) +#if defined(__ANDROID__) || defined(__CloudABI__) || defined(_LIBCPP_HAS_MUSL_LIBC) #define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE #endif @@ -767,4 +813,17 @@ extern "C" void __sanitizer_annotate_contiguous_container( #define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS #endif -#endif // _LIBCPP_CONFIG +#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 + +#endif // __cplusplus + +#endif // _LIBCPP_CONFIG |