diff options
| author |  Abseil Team <absl-team@google.com> | 2019-07-18 15:07:49 -0700 |
|---|---|---|
| committer |  Derek Mauro <dmauro@google.com> | 2019-07-19 13:04:45 -0400 |
| commit | f3840bc5e33ce4932e35986cf3718450c6f02af2 (patch) | |
| tree | 43dd14bfbd542b155040546c4fab6e592c504988 /absl/base/config.h | |
| parent | 278b26058c036833a4f7f3047d3f4d9296527f87 (diff) | |
Export of internal Abseil changes.
--
dcff7cc4eb3837d39d1e083cbf1d4f082054cbf6 by Laramie Leavitt <lar@google.com>:
Add default and fallback modes for SaltedSeedSeq::generate().
SeedSeq::generate will often be called with contiguous ranges of uint32_t.
Detect this case and use the currently direct code paths to handle it.
Otherwise use a fallback mechanism which does an additional copy.
PiperOrigin-RevId: 258853656
--
59ec88845ac2ee6567c493021b54385940d66762 by Gennadiy Rozental <rogeeff@google.com>:
Internal change
PiperOrigin-RevId: 258822137
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eb2d1ab21f6f94c24c51c1cd3719846be259e8e7 by Abseil Team <absl-team@google.com>:
Add iOS version 11 to the mix of Apple OS versions that have various C++17 header files
but do not support them.
PiperOrigin-RevId: 258820405
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452cea3e13b29797b2c385d7c6da7613d36bdc45 by Gennadiy Rozental <rogeeff@google.com>:
Internal change
PiperOrigin-RevId: 258802436
GitOrigin-RevId: dcff7cc4eb3837d39d1e083cbf1d4f082054cbf6
Change-Id: I2261cb58e142eb15017ef646a56710dd64f06496
Diffstat (limited to 'absl/base/config.h')
| -rw-r--r-- | absl/base/config.h | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/absl/base/config.h b/absl/base/config.h index 406a931..692738e 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -370,16 +370,20 @@ #error "absl endian detection needs to be set up for your compiler" #endif -// MacOS 10.13 doesn't let you use <any>, <optional>, or <variant> even though -// the headers exist and are publicly noted to work. See +// MacOS 10.13 and iOS 10.11 don't let you use <any>, <optional>, or <variant> +// even though the headers exist and are publicly noted to work. See // https://github.com/abseil/abseil-cpp/issues/207 and // https://developer.apple.com/documentation/xcode_release_notes/xcode_10_release_notes +// libc++ spells out the availability requirements in the file +// llvm-project/libcxx/include/__config. #if defined(__APPLE__) && defined(_LIBCPP_VERSION) && \ - defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ - __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 101400 -#define ABSL_INTERNAL_MACOS_CXX17_TYPES_UNAVAILABLE 1 + ((defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ + __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 101400) || \ + (defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) && \ + __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ < 101200)) +#define ABSL_INTERNAL_APPLE_CXX17_TYPES_UNAVAILABLE 1 #else -#define ABSL_INTERNAL_MACOS_CXX17_TYPES_UNAVAILABLE 0 +#define ABSL_INTERNAL_APPLE_CXX17_TYPES_UNAVAILABLE 0 #endif // ABSL_HAVE_STD_ANY @@ -391,7 +395,7 @@ #ifdef __has_include #if __has_include(<any>) && __cplusplus >= 201703L && \ - !ABSL_INTERNAL_MACOS_CXX17_TYPES_UNAVAILABLE + !ABSL_INTERNAL_APPLE_CXX17_TYPES_UNAVAILABLE #define ABSL_HAVE_STD_ANY 1 #endif #endif @@ -405,7 +409,7 @@ #ifdef __has_include #if __has_include(<optional>) && __cplusplus >= 201703L && \ - !ABSL_INTERNAL_MACOS_CXX17_TYPES_UNAVAILABLE + !ABSL_INTERNAL_APPLE_CXX17_TYPES_UNAVAILABLE #define ABSL_HAVE_STD_OPTIONAL 1 #endif #endif @@ -419,7 +423,7 @@ #ifdef __has_include #if __has_include(<variant>) && __cplusplus >= 201703L && \ - !ABSL_INTERNAL_MACOS_CXX17_TYPES_UNAVAILABLE + !ABSL_INTERNAL_APPLE_CXX17_TYPES_UNAVAILABLE #define ABSL_HAVE_STD_VARIANT 1 #endif #endif |