diff options
| -rw-r--r-- | contrib/libc++/include/__config | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/contrib/libc++/include/__config b/contrib/libc++/include/__config index 973f13bc9394..9b9c69f0d134 100644 --- a/contrib/libc++/include/__config +++ b/contrib/libc++/include/__config @@ -103,6 +103,9 @@ #if defined(__clang__) #define _LIBCPP_COMPILER_CLANG +# ifndef __apple_build_version__ +# define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__) +# endif #elif defined(__GNUC__) #define _LIBCPP_COMPILER_GCC #elif defined(_MSC_VER) @@ -111,6 +114,10 @@ #define _LIBCPP_COMPILER_IBM #endif +#ifndef _LIBCPP_CLANG_VER +#define _LIBCPP_CLANG_VER 0 +#endif + // FIXME: ABI detection should be done via compiler builtin macros. This // is just a placeholder until Clang implements such macros. For now assume // that Windows compilers pretending to be MSVC++ target the microsoft ABI. @@ -741,7 +748,7 @@ template <unsigned> struct __static_assert_check {}; #ifdef _LIBCPP_HAS_NO_DECLTYPE // GCC 4.6 provides __decltype in all standard modes. -#if !__is_identifier(__decltype) || _GNUC_VER >= 406 +#if !__is_identifier(__decltype) || _LIBCPP_CLANG_VER >= 304 || _GNUC_VER >= 406 # define decltype(__x) __decltype(__x) #else # define decltype(__x) __typeof__(__x) |