diff options
Diffstat (limited to 'contrib/libc++/include/__config')
| -rw-r--r-- | contrib/libc++/include/__config | 620 |
1 files changed, 620 insertions, 0 deletions
diff --git a/contrib/libc++/include/__config b/contrib/libc++/include/__config new file mode 100644 index 0000000..aa8bc44 --- /dev/null +++ b/contrib/libc++/include/__config @@ -0,0 +1,620 @@ +// -*- 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__) +#pragma GCC system_header +#endif + +#ifdef __GNUC__ +#define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__) +#endif + +#define _LIBCPP_VERSION 1101 + +#define _LIBCPP_ABI_VERSION 1 + +#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) + +#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 __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 (GCC or MSVC) +# if defined(__clang__) \ + || (defined(_MSC_VER) && _MSC_VER >= 1400) \ + || (defined(__GNUC__) && _GNUC_VER > 403) +# 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 __linux__ +# if defined(__GNUC__) && _GNUC_VER >= 403 +# define _LIBCPP_HAS_IS_BASE_OF +# endif +#endif + +#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(_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) + +#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 __has_attribute +#define __has_attribute(__x) 0 +#endif + +#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_INLINE_VISIBILITY +#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__)) +#endif + +#ifndef _LIBCPP_EXCEPTION_ABI +#define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS +#endif + +#ifndef _LIBCPP_ALWAYS_INLINE +#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__visibility__("hidden"), __always_inline__)) +#endif + +#if defined(__clang__) + +#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 !__has_feature(cxx_alias_templates) +#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES +#endif + +#ifndef __GXX_EXPERIMENTAL_CXX0X__ +#ifdef __linux__ +#define _LIBCPP_HAS_NO_UNICODE_CHARS +#else +typedef __char16_t char16_t; +typedef __char32_t char32_t; +#endif +#endif + +#if !(__has_feature(cxx_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_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 + +#if __has_feature(is_base_of) +# define _LIBCPP_HAS_IS_BASE_OF +#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 __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L +#if defined(__FreeBSD__) +#define _LIBCPP_HAS_QUICK_EXIT +#define _LIBCPP_HAS_C11_FEATURES +#elif defined(__linux__) +#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 +#endif +#endif + +#if (__has_feature(cxx_noexcept)) +# define _NOEXCEPT noexcept +# define _NOEXCEPT_(x) noexcept(x) +#else +# define _NOEXCEPT throw() +# define _NOEXCEPT_(x) +#endif + +#if __has_feature(underlying_type) +# define _LIBCXX_UNDERLYING_TYPE(T) __underlying_type(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 { + } +} + +#elif defined(__GNUC__) + +#define _ALIGNAS(x) __attribute__((__aligned__(x))) +#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x)))) + +#define _LIBCPP_NORETURN __attribute__((noreturn)) + +#if !__EXCEPTIONS +#define _LIBCPP_NO_EXCEPTIONS +#endif + +#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES +#define _LIBCPP_HAS_NO_CONSTEXPR + +#define _NOEXCEPT throw() +#define _NOEXCEPT_(x) + +#ifndef __GXX_EXPERIMENTAL_CXX0X__ + +#define _LIBCPP_HAS_NO_ADVANCED_SFINAE +#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_STATIC_ASSERT +#define _LIBCPP_HAS_NO_UNICODE_CHARS +#define _LIBCPP_HAS_NO_VARIADICS +#define _LIBCPP_HAS_NO_RVALUE_REFERENCES +#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS + +#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_RVALUE_REFERENCES +#endif + +#if _GNUC_VER < 403 +#define _LIBCPP_HAS_NO_STATIC_ASSERT +#endif + +#if _GNUC_VER < 404 +#define _LIBCPP_HAS_NO_ADVANCED_SFINAE +#define _LIBCPP_HAS_NO_DECLTYPE +#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS +#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_NULLPTR +#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__)); +} + +#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_UNICODE_CHARS +#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS +#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS +#define __alignof__ __alignof +#define _LIBCPP_NORETURN __declspec(noreturn) +#define _ALIGNAS(x) __declspec(align(x)) +#define _LIBCPP_HAS_NO_VARIADICS + +#define _NOEXCEPT throw() +#define _NOEXCEPT_(x) + +#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { +#define _LIBCPP_END_NAMESPACE_STD } +#define _VSTD std + +# define _LIBCPP_WEAK +namespace std { +} + +#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 _NOEXCEPT throw() +#define _NOEXCEPT_(x) + +#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_NULLPTR +#define _LIBCPP_HAS_NO_UNICODE_CHARS +#define _LIBCPP_HAS_NO_STRONG_ENUMS +#define _LIBCPP_HAS_IS_BASE_OF + +#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 { + } +} + +#endif // __clang__ || __GNUC___ || _MSC_VER || __IBMCPP__ + +#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS +typedef unsigned short char16_t; +typedef unsigned int char32_t; +#endif // _LIBCPP_HAS_NO_UNICODE_CHARS + +#ifdef _LIBCPP_HAS_NO_STATIC_ASSERT + +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 // _LIBCPP_HAS_NO_STATIC_ASSERT + +#ifdef _LIBCPP_HAS_NO_DECLTYPE +#define decltype(x) __typeof__(x) +#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 __GNUC__ +#define _NOALIAS __attribute__((__malloc__)) +#else +#define _NOALIAS +#endif + +#ifndef __has_feature +#define __has_feature(__x) 0 +#endif + +#if __has_feature(cxx_explicit_conversions) +# define _LIBCPP_EXPLICIT explicit +#else +# define _LIBCPP_EXPLICIT +#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_TYPE_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(...) +#endif + +#ifndef _LIBCPP_EXTERN_TEMPLATE2 +#define _LIBCPP_EXTERN_TEMPLATE2(...) extern template __VA_ARGS__; +#endif + +#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || defined(__sun__) || defined(__NetBSD__) +#define _LIBCPP_LOCALE__L_EXTENSIONS 1 +#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 + +#if defined(__APPLE__) +#ifndef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR +# define _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 0 +#endif +#endif + +#ifndef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR +# define _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 1 +#endif + +#ifndef _LIBCPP_STD_VER +# if __cplusplus <= 201103L +# define _LIBCPP_STD_VER 11 +# else +# define _LIBCPP_STD_VER 13 // current year, or date of c++14 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_CONSTEXPR_AFTER_CXX11 +#define _LIBCPP_EXPLICIT_AFTER_CXX11 +#define _LIBCPP_DEPRECATED_AFTER_CXX11 +#else +#define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr +#define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit +#define _LIBCPP_DEPRECATED_AFTER_CXX11 [[deprecated]] +#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(__GNUG__) && (__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 + +#endif // _LIBCPP_CONFIG |
