[Differential] [Updated] D1505: Enable building libclang_rt (asan, ubsan and profile) for selected arches

[emaste (Ed Maste)]

emaste added a comment.

> Apart from the bit of ugliness in lib/Makefile
Perhaps the ugliness needs a comment, at least.

Also a BSD.debug.mk entry for `WITH_DEBUG_FILES=yes`?

REVISION DETAIL
  https://reviews.freebsd.org/D1505

To: dim, andrew, bapt, imp, emaste
Cc: freebsd-toolchain