diff options
Diffstat (limited to 'include/__config')
| -rw-r--r-- | include/__config | 91 |
1 files changed, 79 insertions, 12 deletions
diff --git a/include/__config b/include/__config index 1ecced9f4792d..044cd0ceb0073 100644 --- a/include/__config +++ b/include/__config @@ -32,7 +32,7 @@ # define _GNUC_VER_NEW 0 #endif -#define _LIBCPP_VERSION 9000 +#define _LIBCPP_VERSION 10000 #ifndef _LIBCPP_ABI_VERSION # define _LIBCPP_ABI_VERSION 1 @@ -183,10 +183,6 @@ # define _LIBCPP_COMPILER_IBM #endif -#ifndef _LIBCPP_CLANG_VER -#define _LIBCPP_CLANG_VER 0 -#endif - #if defined(_LIBCPP_COMPILER_GCC) && __cplusplus < 201103L #error "libc++ does not support using GCC with C++03. Please enable C++11" #endif @@ -246,6 +242,7 @@ #ifdef __FreeBSD__ # include <sys/endian.h> +# include <osreldate.h> # if _BYTE_ORDER == _LITTLE_ENDIAN # define _LIBCPP_LITTLE_ENDIAN # else // _BYTE_ORDER == _LITTLE_ENDIAN @@ -483,11 +480,14 @@ typedef __char32_t char32_t; #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) -// No apple compilers support ""d and ""y at this time. -#if _LIBCPP_CLANG_VER < 800 || defined(__apple_build_version__) -#define _LIBCPP_HAS_NO_CXX20_CHRONO_LITERALS +// Literal operators ""d and ""y are supported starting with LLVM Clang 8 and AppleClang 10.0.1 +#if (defined(_LIBCPP_CLANG_VER) && _LIBCPP_CLANG_VER < 800) || \ + (defined(__apple_build_version__) && __apple_build_version__ < 10010000) +#define _LIBCPP_HAS_NO_CXX20_CHRONO_LITERALS #endif +#define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__ + #elif defined(_LIBCPP_COMPILER_GCC) #define _ALIGNAS(x) __attribute__((__aligned__(x))) @@ -523,6 +523,8 @@ typedef __char32_t char32_t; #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) +#define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__ + #elif defined(_LIBCPP_COMPILER_MSVC) #define _LIBCPP_TOSTRING2(x) #x @@ -548,6 +550,8 @@ typedef __char32_t char32_t; #define _LIBCPP_HAS_NO_VECTOR_EXTENSION +#define _LIBCPP_DISABLE_EXTENSION_WARNING + #elif defined(_LIBCPP_COMPILER_IBM) #define _ALIGNAS(x) __attribute__((__aligned__(x))) @@ -568,6 +572,8 @@ typedef __char32_t char32_t; #define _LIBCPP_HAS_NO_VECTOR_EXTENSION +#define _LIBCPP_DISABLE_EXTENSION_WARNING + #endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM] #if defined(_LIBCPP_OBJECT_FORMAT_COFF) @@ -958,6 +964,20 @@ typedef unsigned int char32_t; # define _LIBCPP_DEPRECATED_IN_CXX17 #endif +// Macros to enter and leave a state where deprecation warnings are suppressed. +#if !defined(_LIBCPP_SUPPRESS_DEPRECATED_PUSH) && \ + (defined(_LIBCPP_COMPILER_CLANG) || defined(_LIBCPP_COMPILER_GCC)) +# define _LIBCPP_SUPPRESS_DEPRECATED_PUSH \ + _Pragma("GCC diagnostic push") \ + _Pragma("GCC diagnostic ignored \"-Wdeprecated\"") +# define _LIBCPP_SUPPRESS_DEPRECATED_POP \ + _Pragma("GCC diagnostic pop") +#endif +#if !defined(_LIBCPP_SUPPRESS_DEPRECATED_PUSH) +# define _LIBCPP_SUPPRESS_DEPRECATED_PUSH +# define _LIBCPP_SUPPRESS_DEPRECATED_POP +#endif + #if _LIBCPP_STD_VER <= 11 # define _LIBCPP_EXPLICIT_AFTER_CXX11 #else @@ -1082,6 +1102,16 @@ _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( # endif // _LIBCPP_HAS_THREAD_API #endif // _LIBCPP_HAS_NO_THREADS +#if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) +#if defined(__ANDROID__) && __ANDROID_API__ >= 30 +#define _LIBCPP_HAS_COND_CLOCKWAIT +#elif defined(_LIBCPP_GLIBC_PREREQ) +#if _LIBCPP_GLIBC_PREREQ(2, 30) +#define _LIBCPP_HAS_COND_CLOCKWAIT +#endif +#endif +#endif + #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD) #error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \ _LIBCPP_HAS_NO_THREADS is not defined. @@ -1097,17 +1127,35 @@ _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( _LIBCPP_HAS_NO_THREADS is defined. #endif -// The Apple, glibc, and Bionic implementation of pthreads implements +#if defined(__STDCPP_THREADS__) && defined(_LIBCPP_HAS_NO_THREADS) +#error _LIBCPP_HAS_NO_THREADS cannot be set when __STDCPP_THREADS__ is set. +#endif + +#if !defined(_LIBCPP_HAS_NO_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. -// TODO(EricWF): Enable this optimization on Apple and Bionic platforms after -// speaking to their respective stakeholders. +// +// 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. #if (defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && defined(__GLIBC__)) \ || defined(_LIBCPP_HAS_THREAD_API_WIN32) # define _LIBCPP_HAS_TRIVIAL_MUTEX_DESTRUCTION #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 defined(_LIBCPP_HAS_THREAD_API_WIN32) @@ -1129,6 +1177,14 @@ _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( #define _LIBCPP_HAS_NO_STDOUT #endif +// Some systems do not provide gets() in their C library, for security reasons. +#ifndef _LIBCPP_C_HAS_NO_GETS +# if defined(_LIBCPP_MSVCRT) || \ + (defined(__FreeBSD_version) && __FreeBSD_version >= 1300043) +# define _LIBCPP_C_HAS_NO_GETS +# endif +#endif + #if defined(__BIONIC__) || defined(__CloudABI__) || \ defined(__Fuchsia__) || defined(__wasi__) || defined(_LIBCPP_HAS_MUSL_LIBC) #define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE @@ -1224,7 +1280,7 @@ _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( #ifndef _LIBCPP_NODEBUG_TYPE #if __has_attribute(__nodebug__) && \ - (defined(_LIBCPP_COMPILER_CLANG) && _LIBCPP_CLANG_VER >= 900) + (defined(_LIBCPP_CLANG_VER) && _LIBCPP_CLANG_VER >= 900) #define _LIBCPP_NODEBUG_TYPE __attribute__((nodebug)) #else #define _LIBCPP_NODEBUG_TYPE @@ -1411,6 +1467,17 @@ _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( #define _LIBCPP_UNUSED_VAR(x) ((void)(x)) +// 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 + #endif // __cplusplus #endif // _LIBCPP_CONFIG |