__clang_major__   646 include/config.h                 : 3 < __clang_major__ + (5 <= __clang_minor__))))
__clang_major__    43 lib/gnu/md5.h  # if defined __cplusplus && (__GNUC_PREREQ (2,8) || __clang_major__ >= 4)
__clang_major__    62 lib/gnu/stdalign.in.h      || (defined __clang__ && __clang_major__ < 8))
__clang_major__   110 lib/gnu/stdalign.in.h         || (4 <= __clang_major__)                               \