diff options
Diffstat (limited to 'absl/base/config.h')
| -rw-r--r-- | absl/base/config.h | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/absl/base/config.h b/absl/base/config.h index c1d0494e..95449969 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -121,10 +121,16 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #if ABSL_OPTION_USE_INLINE_NAMESPACE == 0 #define ABSL_NAMESPACE_BEGIN #define ABSL_NAMESPACE_END +#define ABSL_INTERNAL_C_SYMBOL(x) x #elif ABSL_OPTION_USE_INLINE_NAMESPACE == 1 #define ABSL_NAMESPACE_BEGIN \ inline namespace ABSL_OPTION_INLINE_NAMESPACE_NAME { #define ABSL_NAMESPACE_END } +#define ABSL_INTERNAL_C_SYMBOL_HELPER_2(x, v) x##_##v +#define ABSL_INTERNAL_C_SYMBOL_HELPER_1(x, v) \ + ABSL_INTERNAL_C_SYMBOL_HELPER_2(x, v) +#define ABSL_INTERNAL_C_SYMBOL(x) \ + ABSL_INTERNAL_C_SYMBOL_HELPER_1(x, ABSL_OPTION_INLINE_NAMESPACE_NAME) #else #error options.h is misconfigured. #endif @@ -216,6 +222,8 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #if ABSL_INTERNAL_HAS_KEYWORD(__builtin_LINE) && \ ABSL_INTERNAL_HAS_KEYWORD(__builtin_FILE) #define ABSL_HAVE_SOURCE_LOCATION_CURRENT 1 +#elif defined(__GNUC__) && __GNUC__ >= 5 +#define ABSL_HAVE_SOURCE_LOCATION_CURRENT 1 #endif #endif @@ -364,7 +372,7 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \ defined(__ros__) || defined(__native_client__) || defined(__asmjs__) || \ defined(__wasm__) || defined(__Fuchsia__) || defined(__sun) || \ - defined(__ASYLO__) + defined(__ASYLO__) || defined(__myriad2__) #define ABSL_HAVE_MMAP 1 #endif @@ -379,6 +387,15 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #define ABSL_HAVE_PTHREAD_GETSCHEDPARAM 1 #endif +// ABSL_HAVE_SCHED_GETCPU +// +// Checks whether sched_getcpu is available. +#ifdef ABSL_HAVE_SCHED_GETCPU +#error ABSL_HAVE_SCHED_GETCPU cannot be directly set +#elif defined(__linux__) +#define ABSL_HAVE_SCHED_GETCPU 1 +#endif + // ABSL_HAVE_SCHED_YIELD // // Checks whether the platform implements sched_yield(2) as defined in @@ -490,7 +507,7 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #endif #ifdef __has_include -#if __has_include(<any>) && __cplusplus >= 201703L && \ +#if __has_include(<any>) && defined(__cplusplus) && __cplusplus >= 201703L && \ !ABSL_INTERNAL_APPLE_CXX17_TYPES_UNAVAILABLE #define ABSL_HAVE_STD_ANY 1 #endif @@ -504,8 +521,8 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #endif #ifdef __has_include -#if __has_include(<optional>) && __cplusplus >= 201703L && \ - !ABSL_INTERNAL_APPLE_CXX17_TYPES_UNAVAILABLE +#if __has_include(<optional>) && defined(__cplusplus) && \ + __cplusplus >= 201703L && !ABSL_INTERNAL_APPLE_CXX17_TYPES_UNAVAILABLE #define ABSL_HAVE_STD_OPTIONAL 1 #endif #endif @@ -518,8 +535,8 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #endif #ifdef __has_include -#if __has_include(<variant>) && __cplusplus >= 201703L && \ - !ABSL_INTERNAL_APPLE_CXX17_TYPES_UNAVAILABLE +#if __has_include(<variant>) && defined(__cplusplus) && \ + __cplusplus >= 201703L && !ABSL_INTERNAL_APPLE_CXX17_TYPES_UNAVAILABLE #define ABSL_HAVE_STD_VARIANT 1 #endif #endif @@ -532,7 +549,8 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #endif #ifdef __has_include -#if __has_include(<string_view>) && __cplusplus >= 201703L +#if __has_include(<string_view>) && defined(__cplusplus) && \ + __cplusplus >= 201703L #define ABSL_HAVE_STD_STRING_VIEW 1 #endif #endif @@ -544,8 +562,9 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || // not correctly set by MSVC, so we use `_MSVC_LANG` to check the language // version. // TODO(zhangxy): fix tests before enabling aliasing for `std::any`. -#if defined(_MSC_VER) && _MSC_VER >= 1910 && \ - ((defined(_MSVC_LANG) && _MSVC_LANG > 201402) || __cplusplus > 201402) +#if defined(_MSC_VER) && _MSC_VER >= 1910 && \ + ((defined(_MSVC_LANG) && _MSVC_LANG > 201402) || \ + (defined(__cplusplus) && __cplusplus > 201402)) // #define ABSL_HAVE_STD_ANY 1 #define ABSL_HAVE_STD_OPTIONAL 1 #define ABSL_HAVE_STD_VARIANT 1 @@ -711,4 +730,13 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || #define ABSL_HAVE_ADDRESS_SANITIZER 1 #endif +// ABSL_HAVE_CLASS_TEMPLATE_ARGUMENT_DEDUCTION +// +// Class template argument deduction is a language feature added in C++17. +#ifdef ABSL_HAVE_CLASS_TEMPLATE_ARGUMENT_DEDUCTION +#error "ABSL_HAVE_CLASS_TEMPLATE_ARGUMENT_DEDUCTION cannot be directly set." +#elif defined(__cpp_deduction_guides) +#define ABSL_HAVE_CLASS_TEMPLATE_ARGUMENT_DEDUCTION 1 +#endif + #endif // ABSL_BASE_CONFIG_H_ |