diff options
Diffstat (limited to 'Firestore/third_party/abseil-cpp/absl/base/config.h')
| -rw-r--r-- | Firestore/third_party/abseil-cpp/absl/base/config.h | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/Firestore/third_party/abseil-cpp/absl/base/config.h b/Firestore/third_party/abseil-cpp/absl/base/config.h index 6703d0e..500bc8c 100644 --- a/Firestore/third_party/abseil-cpp/absl/base/config.h +++ b/Firestore/third_party/abseil-cpp/absl/base/config.h @@ -138,12 +138,16 @@ // supported. #ifdef ABSL_HAVE_THREAD_LOCAL #error ABSL_HAVE_THREAD_LOCAL cannot be directly set -#elif (!defined(__apple_build_version__) || \ - (__apple_build_version__ >= 8000042)) && \ - !(defined(__APPLE__) && TARGET_OS_IPHONE && \ - __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_9_0) +#elif defined(__APPLE__) // Notes: Xcode's clang did not support `thread_local` until version -// 8, and even then not for all iOS < 9.0. +// 8, and even then not for all iOS < 9.0. Also, Xcode 9.3 started disallowing +// `thread_local` for 32-bit iOS simulator targeting iOS 9.x. +// `__has_feature` is only supported by Clang so it has be inside +// `defined(__APPLE__)` check. +#if __has_feature(cxx_thread_local) +#define ABSL_HAVE_THREAD_LOCAL 1 +#endif +#else // !defined(__APPLE__) #define ABSL_HAVE_THREAD_LOCAL 1 #endif @@ -176,16 +180,22 @@ // Checks whether the __int128 compiler extension for a 128-bit integral type is // supported. // -// Notes: __SIZEOF_INT128__ is defined by Clang and GCC when __int128 is -// supported, except on ppc64 and aarch64 where __int128 exists but has exhibits -// a sporadic compiler crashing bug. Nvidia's nvcc also defines __GNUC__ and -// __SIZEOF_INT128__ but not all versions actually support __int128. +// Note: __SIZEOF_INT128__ is defined by Clang and GCC when __int128 is +// supported, but we avoid using it in certain cases: +// * On Clang: +// * Building using Clang for Windows, where the Clang runtime library has +// 128-bit support only on LP64 architectures, but Windows is LLP64. +// * Building for aarch64, where __int128 exists but has exhibits a sporadic +// compiler crashing bug. +// * On Nvidia's nvcc: +// * nvcc also defines __GNUC__ and __SIZEOF_INT128__, but not all versions +// actually support __int128. #ifdef ABSL_HAVE_INTRINSIC_INT128 #error ABSL_HAVE_INTRINSIC_INT128 cannot be directly set #elif defined(__SIZEOF_INT128__) -#if (defined(__clang__) && !defined(__aarch64__)) || \ - (defined(__CUDACC__) && __CUDACC_VER_MAJOR__ >= 9) || \ - (!defined(__clang__) && !defined(__CUDACC__) && defined(__GNUC__)) +#if (defined(__clang__) && !defined(_WIN32) && !defined(__aarch64__)) || \ + (defined(__CUDACC__) && __CUDACC_VER_MAJOR__ >= 9) || \ + (defined(__GNUC__) && !defined(__clang__) && !defined(__CUDACC__)) #define ABSL_HAVE_INTRINSIC_INT128 1 #elif defined(__CUDACC__) // __CUDACC_VER__ is a full version number before CUDA 9, and is defined to a @@ -244,6 +254,7 @@ // Windows _WIN32 // NaCL __native_client__ // AsmJS __asmjs__ +// WebAssembly __wasm__ // Fuchsia __Fuchsia__ // // Note that since Android defines both __ANDROID__ and __linux__, one @@ -257,7 +268,7 @@ #error ABSL_HAVE_MMAP cannot be directly set #elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \ defined(__ros__) || defined(__native_client__) || defined(__asmjs__) || \ - defined(__Fuchsia__) + defined(__wasm__) || defined(__Fuchsia__) #define ABSL_HAVE_MMAP 1 #endif |