Making NO_CLEAN configurable through src.conf, possibly default

[David Wolfskill]

On Tue, Dec 17, 2019 at 04:54:40AM -0500, Ed Maste wrote:
> For several years I've built with NO_CLEAN, and would like us to
> consider making it the default in the future....
> As a first step I've proposed having it be set via src.conf WITH_CLEAN
> / WITHOUT_CLEAN knobs, in review https://reviews.freebsd.org/D22762.
> What do folks think (of WITH_/WITHOUT_CLEAN and of making it the default)?
> ....

I used to use NO_CLEAN for several years for my daily builds (&
smoke-tests), but a few years ago(!), I switched to using META mode
-- which, in my experience, seems to work better most of the time.
(Caveat: I'm not really comparing them under the same circumstances,
so use an appropriately-sized "grain of salt.")

Peace,
david
-- 
David H. Wolfskill				david at catwhisker.org
McConnell is on record that the Senate vote will not be influenced by
facts or the Constitution.  Thus, it will not be a "vindication" at all.

See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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