diff options
Diffstat (limited to 'absl/base/config.h')
| -rw-r--r-- | absl/base/config.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/absl/base/config.h b/absl/base/config.h index ca089f6..db4c453 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -365,6 +365,18 @@ #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 +// https://github.com/abseil/abseil-cpp/issues/207 and +// https://developer.apple.com/documentation/xcode_release_notes/xcode_10_release_notes +#if defined(__APPLE__) && defined(_LIBCPP_VERSION) && \ + defined(__MAC_OS_X_VERSION_MIN_REQUIRED__) && \ + __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 101400 +#define ABSL_INTERNAL_MACOS_HAS_CXX_17_TYPES 1 +#else +#define ABSL_INTERNAL_MACOS_HAS_CXX_17_TYPES 0 +#endif + // ABSL_HAVE_STD_ANY // // Checks whether C++17 std::any is available by checking whether <any> exists. @@ -373,7 +385,8 @@ #endif #ifdef __has_include -#if __has_include(<any>) && __cplusplus >= 201703L +#if __has_include(<any>) && __cplusplus >= 201703L && \ + ABSL_INTERNAL_MACOS_HAS_CXX_17_TYPES #define ABSL_HAVE_STD_ANY 1 #endif #endif @@ -386,7 +399,8 @@ #endif #ifdef __has_include -#if __has_include(<optional>) && __cplusplus >= 201703L +#if __has_include(<optional>) && __cplusplus >= 201703L && \ + ABSL_INTERNAL_MACOS_HAS_CXX_17_TYPES #define ABSL_HAVE_STD_OPTIONAL 1 #endif #endif @@ -399,7 +413,8 @@ #endif #ifdef __has_include -#if __has_include(<variant>) && __cplusplus >= 201703L +#if __has_include(<variant>) && __cplusplus >= 201703L && \ + ABSL_INTERNAL_MACOS_HAS_CXX_17_TYPES #define ABSL_HAVE_STD_VARIANT 1 #endif #endif |