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Date:      Thu, 30 Sep 1999 15:24:00 -0700
From:      Don Lewis <Don.Lewis@tsc.tdk.com>
To:        Marcel Moolenaar <marcel@scc.nl>, John-Mark Gurney <gurney_j@resnet.uoregon.edu>
Cc:        Peter Wemm <peter@netplex.com.au>, current@FreeBSD.ORG
Subject:   Re: HEADS UP: sigset_t changes committed
Message-ID:  <199909302224.PAA09543@salsa.gv.tsc.tdk.com>
In-Reply-To: Marcel Moolenaar <marcel@scc.nl> "Re: HEADS UP: sigset_t changes committed" (Sep 30, 11:24pm)

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On Sep 30, 11:24pm, Marcel Moolenaar wrote:
} Subject: Re: HEADS UP: sigset_t changes committed

} As for me, I'm trying to define the problem as detailed and consise as
} possible. I already have some specific thoughts and ideas. I'm thinking
} large here: real cross-compilation capabilities and such (it may be
} handy for FreeBSD/IA64)...

While proper cross-compilation would be really nice to have, it won't solve
the "make world" problem.  It would get you through "make buildworld", but
"make installworld" will overwrite the system binaries with new versions that
use the new signal syscalls that the currently running kernel doesn't support.
It would even be possible to cross-compile a new kernel, but it still has
to be installed and the system rebooted before installing userland.

In this particular case, the only thing cross-compilation would buy us
is the ability to build (but not install) 4.x binaries on a machine
running 3.x.  It sounds like some folks would be satisfied just having
that.


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