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Date:      28 Apr 2001 17:16:58 -0400
From:      Lowell Gilbert <lowell@world.std.com>
To:        freebsd-questions@freebsd.org, roth@iamexwi.unibe.ch (Tobias Roth)
Subject:   Re: make.conf
Message-ID:  <44u238zpv9.fsf@lowellg.ne.mediaone.net>
In-Reply-To: roth@iamexwi.unibe.ch's message of "28 Apr 2001 18:27:58 %2B0200"
References:  <20010428182838.A13054@arp.unibe.ch>

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roth@iamexwi.unibe.ch (Tobias Roth) writes:

> I have some questions about make.conf.
> 
> 1) WRKDIRPREFIX is not documented in /etc/defaults/make.conf
>    Why? It is pretty handy to specify where the ports should be built. Are there any other undocumented variables?
> 
> 2) how does SUPHOST work? Does it override the host specified in the supfile?
> 
> 3) how does SUPFILE1 work? What about PORTSSUPFILE and DOCSSUPFILE? Where is this documented?

/etc/defaults/make.conf isn't really documentation.  There is a manual
page for make.conf (type "man 5 make.conf" to see it) which does document
them.  There are, if I recall properly (but I don't care enough to check
for sure) some undocumented variables, but they are a lot less useful
than these are.

The SUPHOST and SUPFILE variables are for "make update", which is not
just for ports but can do (all or any subset of) main sources, ports, and
documentation.  Look at the appropriate makefiles (including
/usr/src/Makefile.inc1) for more information, but I've never found that
functionality to be very useful as an end-user.  I *think* it's used by
the release engineer as part of testing the system build, though.

Good luck.

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