diff options
Diffstat (limited to 'libcxx/include/__config')
| -rw-r--r-- | libcxx/include/__config | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/libcxx/include/__config b/libcxx/include/__config index 5c15156e9ae..76675008605 100644 --- a/libcxx/include/__config +++ b/libcxx/include/__config @@ -37,6 +37,9 @@ #ifndef __has_builtin #define __has_builtin(__x) 0 #endif +#ifndef __has_extension +#define __has_extension(__x) 0 +#endif #ifndef __has_feature #define __has_feature(__x) 0 #endif @@ -773,4 +776,15 @@ extern "C" void __sanitizer_annotate_contiguous_container( #define _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS #endif -#endif // _LIBCPP_CONFIG +#if __has_extension(c_atomic) +#define _LIBCPP_HAS_C_ATOMIC_IMP +#elif _GNUC_VER > 407 +#define _LIBCPP_HAS_GCC_ATOMIC_IMP +#endif + +#if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP)) \ + || defined(_LIBCPP_HAS_NO_THREADS) +#define _LIBCPP_HAS_NO_ATOMIC_HEADER +#endif + +#endif // _LIBCPP_CONFIG |
