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Date:      Sun, 2 Sep 2001 08:48:32 -0500
From:      Larry Rosenman <ler@lerctr.org>
To:        Marcel Moolenaar <marcel@xcllnt.net>
Cc:        John Baldwin <jhb@FreeBSD.org>, freebsd-stable@FreeBSD.org, qa@FreeBSD.org, Eric Masson <e-masson@kisoft-services.com>
Subject:   Re: cputype=486
Message-ID:  <20010902084832.B2510@lerami.lerctr.org>
In-Reply-To: <20010901161054.B13047@athlon.pn.xcllnt.net>
References:  <20010901114903.D11062@athlon.pn.xcllnt.net> <XFMail.010901132212.jhb@FreeBSD.org> <20010901161054.B13047@athlon.pn.xcllnt.net>

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* Marcel Moolenaar <marcel@xcllnt.net> [010901 18:10]:
> On Sat, Sep 01, 2001 at 01:22:12PM -0700, John Baldwin wrote:
> > 
> > >> 
> > >> Is *ANYTHING* going to be done about this ever?  It appears nothing
> > >> was done at all during the 4.4 cycle. 
> > > 
> > > If I have some time (yeah, right :-) I'll take a look at it. The
> > > quickest fix would be to define CPUTYPE as empty when building
> > > cross- and build-tools. This should override any definitions that
> > > are present in /etc/make.conf.
> > 
> > That doesn't help.  The problem is that the cross-tools built during buildworld
> > are linked against the hosts' libc.a, and then run on the target machine in
> > installworld.  Thus, in this case you end up running a 686 libc.a in the cross
> > tool on a 486 and it blows up.
> >  
> 
> Ah yes. In that case it only works if you link shared, but then you
> have different problems. I guess this rules out CPUTYPE as a generic
> tunable. If you want the highest possible performance, you give up
> on portibility. You can't have it both...
Is this a *NO*, we're not interested in fixing it? 

If so, some BIG notices should be in /etc/defaults/make.conf around
the CPUTYPE setting. 

I really think this should be fixed somehow....

(Not that I would know how...)

-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 972-414-9812                 E-Mail: ler@lerctr.org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749

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