[doc pointer] Re: "make installworld" to only install new/changed files?

[Lowell Gilbert]

"Rob MacGregor" <freebsd.macgregor at blueyonder.co.uk> writes:

> I have a strange (maybe) desire to be able to only install the new or
> changed files when doing a "make installworld" on FreeBSD (5.2 or later
> ideally).  Does anybody know if this is possible?

See the "INSTALL" variable as documented for make.conf(5).