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To: Michael Grant <mgrant@grant.org>
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Subject: Re: installing freebsd on another disk
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Michael Grant <mgrant@grant.org> writes:

> I'd like to install freebsd on another disk from source.  Can I do
> something like?:
> 
> cd /usr/src
> make buildworld
> make PREFIX=/mnt installworld
> make PREFIX=/mnt kernel
> 
> If not $PREFIX, what's the right answer?
> 
> I'd try it and see...but I only have my one live box.  Thanks

DESTDIR is what you're looking for, but its use is a little tricky. 
I wouldn't recommend trying this if you don't have a system to spare.
[I suppose you could try it inside a jail...]