diff options
-rw-r--r-- | lib/Headers/unwind.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/Headers/unwind.h b/lib/Headers/unwind.h index cef20cc214..28ad8043f2 100644 --- a/lib/Headers/unwind.h +++ b/lib/Headers/unwind.h @@ -23,10 +23,9 @@ /* See "Data Definitions for libgcc_s" in the Linux Standard Base.*/ -#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \ - __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1070 -/* Starting in OS X Lion the SDK includes a unwind.h. We should just use it. */ -#include_next <unwind.h> +#if defined(__APPLE__) && __has_include_next(<unwind.h>) +/* Darwin typically has its own unwind.h; use it. */ +# include_next <unwind.h> #else #include <stdint.h> |