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Date: Wed, 21 Jun 2006 12:34:56 -0600 (MDT)
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To: jhb@freebsd.org
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: trhodes@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org,
	obrien@freebsd.org, cvs-src@freebsd.org
Subject: Re: cvs commit: src Makefile README
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In message: <200606211306.36770.jhb@freebsd.org>
            John Baldwin <jhb@freebsd.org> writes:
: The nature of the compromise over 'make world' was that rather than removing 
: the knob we'd leave it undocumented so that new users aren't tempted to use 
: it, but instead will revert to using buildworld/installworld as they ought to 
: if they get a failure running 'make world'.  If we are going to document the 
: knob and thus make it user-supported, we might as well remove it and just 
: make 'make world' user-supported.

The problem with making it 'user-supported' is that it really is a
dangerous tool for the normal user.  Sure, it mostly works, most of
the time, for most situations.  However, when it fails, it fails in an
unsafe way.  It fails in a way that can't be backed out from easily,
meaning someone will have to boot distribution media to back out to a
known good state.  These events are rare, but totally #@$@!!@@#$ the
user.

And we're back to the compromise that we had before...

Warner