Kyle Evans ed7910fbac Revert "Avoid using TARGET_ARCH in llvm.build.mk"
This reverts commit 8534e6be8110a8126268a38dc0557a2d15615ce9, and adds
a cautionary note that there are dragons about that should be considered
when changing it.

PR:		267026
Reviewed by:	dim, imp
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D36981
2022-10-13 22:04:47 -05:00
..