diff options
Diffstat (limited to 'absl/base/config.h')
| -rw-r--r-- | absl/base/config.h | 85 |
1 files changed, 33 insertions, 52 deletions
diff --git a/absl/base/config.h b/absl/base/config.h index 3933a3db..0b22167e 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -117,8 +117,8 @@ // // LTS releases can be obtained from // https://github.com/abseil/abseil-cpp/releases. -#define ABSL_LTS_RELEASE_VERSION 20240116 -#define ABSL_LTS_RELEASE_PATCH_LEVEL 2 +#define ABSL_LTS_RELEASE_VERSION 20240722 +#define ABSL_LTS_RELEASE_PATCH_LEVEL 0 // Helper macro to convert a CPP variable to a string literal. #define ABSL_INTERNAL_DO_TOKEN_STR(x) #x @@ -231,12 +231,11 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #endif // ABSL_HAVE_TLS is defined to 1 when __thread should be supported. -// We assume __thread is supported on Linux or Asylo when compiled with Clang or +// We assume __thread is supported on Linux when compiled with Clang or // compiled against libstdc++ with _GLIBCXX_HAVE_TLS defined. #ifdef ABSL_HAVE_TLS #error ABSL_HAVE_TLS cannot be directly set -#elif (defined(__linux__) || defined(__ASYLO__)) && \ - (defined(__clang__) || defined(_GLIBCXX_HAVE_TLS)) +#elif (defined(__linux__)) && (defined(__clang__) || defined(_GLIBCXX_HAVE_TLS)) #define ABSL_HAVE_TLS 1 #endif @@ -275,53 +274,18 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #define ABSL_HAVE_STD_IS_TRIVIALLY_COPYABLE 1 #endif + // ABSL_HAVE_THREAD_LOCAL // +// DEPRECATED - `thread_local` is available on all supported platforms. // Checks whether C++11's `thread_local` storage duration specifier is // supported. #ifdef ABSL_HAVE_THREAD_LOCAL #error ABSL_HAVE_THREAD_LOCAL cannot be directly set -#elif defined(__APPLE__) -// Notes: -// * Xcode's clang did not support `thread_local` until version 8, and -// even then not for all iOS < 9.0. -// * Xcode 9.3 started disallowing `thread_local` for 32-bit iOS simulator -// targeting iOS 9.x. -// * Xcode 10 moves the deployment target check for iOS < 9.0 to link time -// making ABSL_HAVE_FEATURE unreliable there. -// -#if ABSL_HAVE_FEATURE(cxx_thread_local) && \ - !(TARGET_OS_IPHONE && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_9_0) -#define ABSL_HAVE_THREAD_LOCAL 1 -#endif -#else // !defined(__APPLE__) +#else #define ABSL_HAVE_THREAD_LOCAL 1 #endif -// There are platforms for which TLS should not be used even though the compiler -// makes it seem like it's supported (Android NDK < r12b for example). -// This is primarily because of linker problems and toolchain misconfiguration: -// Abseil does not intend to support this indefinitely. Currently, the newest -// toolchain that we intend to support that requires this behavior is the -// r11 NDK - allowing for a 5 year support window on that means this option -// is likely to be removed around June of 2021. -// TLS isn't supported until NDK r12b per -// https://developer.android.com/ndk/downloads/revision_history.html -// Since NDK r16, `__NDK_MAJOR__` and `__NDK_MINOR__` are defined in -// <android/ndk-version.h>. For NDK < r16, users should define these macros, -// e.g. `-D__NDK_MAJOR__=11 -D__NKD_MINOR__=0` for NDK r11. -#if defined(__ANDROID__) && defined(__clang__) -#if __has_include(<android/ndk-version.h>) -#include <android/ndk-version.h> -#endif // __has_include(<android/ndk-version.h>) -#if defined(__ANDROID__) && defined(__clang__) && defined(__NDK_MAJOR__) && \ - defined(__NDK_MINOR__) && \ - ((__NDK_MAJOR__ < 12) || ((__NDK_MAJOR__ == 12) && (__NDK_MINOR__ < 1))) -#undef ABSL_HAVE_TLS -#undef ABSL_HAVE_THREAD_LOCAL -#endif -#endif // defined(__ANDROID__) && defined(__clang__) - // ABSL_HAVE_INTRINSIC_INT128 // // Checks whether the __int128 compiler extension for a 128-bit integral type is @@ -379,9 +343,7 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #define ABSL_HAVE_EXCEPTIONS 1 #endif // defined(__EXCEPTIONS) && ABSL_HAVE_FEATURE(cxx_exceptions) // Handle remaining special cases and default to exceptions being supported. -#elif !(defined(__GNUC__) && (__GNUC__ < 5) && !defined(__EXCEPTIONS)) && \ - !(ABSL_INTERNAL_HAVE_MIN_GNUC_VERSION(5, 0) && \ - !defined(__cpp_exceptions)) && \ +#elif !(defined(__GNUC__) && !defined(__cpp_exceptions)) && \ !(defined(_MSC_VER) && !defined(_CPPUNWIND)) #define ABSL_HAVE_EXCEPTIONS 1 #endif @@ -416,9 +378,9 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \ defined(_AIX) || defined(__ros__) || defined(__native_client__) || \ defined(__asmjs__) || defined(__EMSCRIPTEN__) || defined(__Fuchsia__) || \ - defined(__sun) || defined(__ASYLO__) || defined(__myriad2__) || \ - defined(__HAIKU__) || defined(__OpenBSD__) || defined(__NetBSD__) || \ - defined(__QNX__) || defined(__VXWORKS__) || defined(__hexagon__) + defined(__sun) || defined(__myriad2__) || defined(__HAIKU__) || \ + defined(__OpenBSD__) || defined(__NetBSD__) || defined(__QNX__) || \ + defined(__VXWORKS__) || defined(__hexagon__) #define ABSL_HAVE_MMAP 1 #endif @@ -902,9 +864,7 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #error ABSL_INTERNAL_HAS_CXA_DEMANGLE cannot be directly set #elif defined(OS_ANDROID) && (defined(__i386__) || defined(__x86_64__)) #define ABSL_INTERNAL_HAS_CXA_DEMANGLE 0 -#elif defined(__GNUC__) && defined(__GNUC_MINOR__) && \ - (__GNUC__ >= 4 || (__GNUC__ >= 3 && __GNUC_MINOR__ >= 4)) && \ - !defined(__mips__) +#elif defined(__GNUC__) #define ABSL_INTERNAL_HAS_CXA_DEMANGLE 1 #elif defined(__clang__) && !defined(_MSC_VER) #define ABSL_INTERNAL_HAS_CXA_DEMANGLE 1 @@ -981,6 +941,27 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #define ABSL_HAVE_CONSTANT_EVALUATED 1 #endif +// ABSL_INTERNAL_CONSTEXPR_SINCE_CXXYY is used to conditionally define constexpr +// for different C++ versions. +// +// These macros are an implementation detail and will be unconditionally removed +// once the minimum supported C++ version catches up to a given version. +// +// For this reason, this symbol is considered INTERNAL and code outside of +// Abseil must not use it. +#if defined(ABSL_INTERNAL_CPLUSPLUS_LANG) && \ + ABSL_INTERNAL_CPLUSPLUS_LANG >= 201703L +#define ABSL_INTERNAL_CONSTEXPR_SINCE_CXX17 constexpr +#else +#define ABSL_INTERNAL_CONSTEXPR_SINCE_CXX17 +#endif +#if defined(ABSL_INTERNAL_CPLUSPLUS_LANG) && \ + ABSL_INTERNAL_CPLUSPLUS_LANG >= 202002L +#define ABSL_INTERNAL_CONSTEXPR_SINCE_CXX20 constexpr +#else +#define ABSL_INTERNAL_CONSTEXPR_SINCE_CXX20 +#endif + // ABSL_INTERNAL_EMSCRIPTEN_VERSION combines Emscripten's three version macros // into an integer that can be compared against. #ifdef ABSL_INTERNAL_EMSCRIPTEN_VERSION |