make -V FILES
from being useful (and given that every other variable can be
extracted using make -V, the behaviour was unusually inconsistent
given that the original reason for clearing it doesn't seem to be
relevant anymore)
- use <bsd.prog.mk> instead of directly including <bsd.files.mk>
(and possibly <bsd.man.mk> or <bsd.own.mk>)
- remove obsolete NOPROG
consistent with what FreeBSD uses /etc/defaults for and since SVR4
uses /etc/default for another purpose. as discussed on tech-userlevel,
and no objections were made.