Author :
Azat Khuzhin
Date :
2019-06-02 20:20:02
Hash :7fd7c5ef Message :Fix detection of the __has_attribute() for apple clang [ci skip]
Fixes build on the next osx env:
- Mac OS 10.9/clang 600
- Mac OS 10.8/clang 500
Refs: https://github.com/libevent/libevent/issues/447#issuecomment-497908488
(cherry picked from commit 7d569b0fafe76e9036695ccc9d22d2195c214bce)