diff options
Diffstat (limited to 'contrib/libc++/include/__config')
| -rw-r--r-- | contrib/libc++/include/__config | 137 |
1 files changed, 90 insertions, 47 deletions
diff --git a/contrib/libc++/include/__config b/contrib/libc++/include/__config index c5b9a6b1cbff..8288b46a8892 100644 --- a/contrib/libc++/include/__config +++ b/contrib/libc++/include/__config @@ -17,14 +17,11 @@ #ifdef __GNUC__ #define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__) +#else +#define _GNUC_VER 0 #endif -#if !_WIN32 -#include <unistd.h> -#include <errno.h> // for ELAST on FreeBSD -#endif - -#define _LIBCPP_VERSION 1101 +#define _LIBCPP_VERSION 3700 #define _LIBCPP_ABI_VERSION 1 @@ -33,6 +30,23 @@ #define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION) + +#ifndef __has_attribute +#define __has_attribute(__x) 0 +#endif +#ifndef __has_builtin +#define __has_builtin(__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 + + #ifdef __LITTLE_ENDIAN__ #if __LITTLE_ENDIAN__ #define _LIBCPP_LITTLE_ENDIAN 1 @@ -76,10 +90,8 @@ #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) +// Compiler intrinsics (MSVC) +#if defined(_MSC_VER) && _MSC_VER >= 1400 # define _LIBCPP_HAS_IS_BASE_OF # endif # if defined(_MSC_VER) && !defined(__clang__) @@ -94,12 +106,6 @@ # 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 @@ -111,12 +117,22 @@ # endif #endif // __sun__ -#if defined(__native_client__) +#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 -#endif // defined(__native_client__) +#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> @@ -173,10 +189,6 @@ #endif // _WIN32 -#ifndef __has_attribute -#define __has_attribute(__x) 0 -#endif - #ifndef _LIBCPP_HIDDEN #define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) #endif @@ -309,6 +321,10 @@ typedef __char32_t char32_t; # 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 @@ -327,6 +343,10 @@ typedef __char32_t char32_t; #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 @@ -388,6 +408,11 @@ namespace std { #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 @@ -406,6 +431,8 @@ namespace std { // No version of GCC supports relaxed constexpr rules #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR +// GCC 5 will support variable templates +#define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES #define _NOEXCEPT throw() #define _NOEXCEPT_(x) @@ -477,6 +504,7 @@ using namespace _LIBCPP_NAMESPACE __attribute__((__strong__)); #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 @@ -519,6 +547,8 @@ namespace std { #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 @@ -558,7 +588,12 @@ template <unsigned> struct __static_assert_check {}; #endif // _LIBCPP_HAS_NO_STATIC_ASSERT #ifdef _LIBCPP_HAS_NO_DECLTYPE -#define decltype(x) __typeof__(x) +// 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 @@ -579,14 +614,6 @@ template <unsigned> struct __static_assert_check {}; #define _NOALIAS #endif -#ifndef __has_feature -#define __has_feature(__x) 0 -#endif - -#ifndef __has_builtin -#define __has_builtin(__x) 0 -#endif - #if __has_feature(cxx_explicit_conversions) || defined(__IBMCPP__) # define _LIBCPP_EXPLICIT explicit #else @@ -633,10 +660,16 @@ template <unsigned> struct __static_assert_check {}; #define _LIBCPP_NONUNIQUE_RTTI_BIT (1ULL << 63) #endif -#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || defined(__sun__) || defined(__NetBSD__) +#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || \ + defined(__sun__) || defined(__NetBSD__) || defined(__CloudABI__) #define _LIBCPP_LOCALE__L_EXTENSIONS 1 #endif +#if !defined(_WIN32) && !defined(__ANDROID__) && !defined(_NEWLIB_VERSION) && \ + !defined(__CloudABI__) +#define _LIBCPP_HAS_CATOPEN 1 +#endif + #ifdef __FreeBSD__ #define _DECLARE_C99_LDBL_MATH 1 #endif @@ -649,21 +682,6 @@ template <unsigned> struct __static_assert_check {}; #define _LIBCPP_WCTYPE_IS_MASK #endif -#if defined(ELAST) -#define _LIBCPP_ELAST ELAST -#elif defined(__linux__) -#define _LIBCPP_ELAST 4095 -#elif defined(_NEWLIB_VERSION) -#define _LIBCPP_ELAST __ELASTERROR -#elif defined(__APPLE__) -// Not _LIBCPP_ELAST needed on Apple -#elif defined(__sun__) -#define _LIBCPP_ELAST ESTALE -#else -// Warn here so that the person doing the libcxx port has an easier time: -#warning This platform's ELAST hasn't been ported yet -#endif - #ifndef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR # if defined(__FreeBSD__) // Making the std::pair copy constructor trivial breaks ABI compatibility with @@ -731,4 +749,29 @@ extern "C" void __sanitizer_annotate_contiguous_container( _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(__ANDROID__) || defined(__CloudABI__) +#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 + #endif // _LIBCPP_CONFIG |