#if defined(__clang__)
# if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ <= 3) || \
- (defined(__APPLE__) && \
+ (defined(__APPLE__) && defined(__apple_build_version__) && \
((__clang_major__ == 4 && __clang_minor__ <= 2) || \
(__clang_major__ == 5 && __clang_minor__ == 0)))