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Date:      Fri, 4 Jun 2004 19:15:20 +0930
From:      "Daniel O'Connor" <doconnor@gsoft.com.au>
To:        freebsd-stable@freebsd.org
Cc:        Sven Hazejager <dont@even.try.nl>
Subject:   Re: FreeBSD-STABLE
Message-ID:  <200406041915.20851.doconnor@gsoft.com.au>
In-Reply-To: <20040604101101.H40527@proxy.chain.loc>
References:  <20040604101101.H40527@proxy.chain.loc>

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On Fri, 4 Jun 2004 17:45, Sven Hazejager wrote:
> I'm about to upgrade a (slow) Pentium based FreeBSD computer from 4.8 to
> 4.10. I would like to use my (fast) Athlon PC as a buildworld/buildkernel
> host and then mount /usr/src and /usr/obj on the slow computer.
>
> The Athlon PC runs a 4.10 world, built with pentiumpro optimizations. If I
> buildworld with pentium optimizations, does that newly built world rely on
> any pentiumpro optimized libraries of the Athlon PC base? That would
> surely hose the Pentium PC!

I don't think that the build system will add compiler flags for this sort o=
f=20
thing in 4.x, so I believe what you want to do is safe.

If you are doing buildworld for the Pentium then remove any arch/cpu specif=
ic=20
optimisations and you should be right.

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Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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