diff options
Diffstat (limited to 'libcxx/include/__config')
| -rw-r--r-- | libcxx/include/__config | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libcxx/include/__config b/libcxx/include/__config index 84a7dddee25..6f983223a58 100644 --- a/libcxx/include/__config +++ b/libcxx/include/__config @@ -50,6 +50,10 @@ #ifdef _WIN32 # define _LIBCPP_LITTLE_ENDIAN 1 # define _LIBCPP_BIG_ENDIAN 0 +// Compiler intrinsics (GCC or MSVC) +# if (defined(_MSC_VER) && _MSC_VER >= 1400) || (__GNUC__ >= 4 && __GNUC_MINOR__ > 3) +# define _LIBCP_HAS_IS_BASE_OF +# endif #endif // _WIN32 #if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN) @@ -164,6 +168,10 @@ typedef __char32_t char32_t; #define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS #endif +#if __has_feature(is_base_of) +# define _LIBCP_HAS_IS_BASE_OF +#endif + // Objective-C++ features (opt-in) #if __has_feature(objc_arc) #define _LIBCPP_HAS_OBJC_ARC |
