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Re: x86_64 and x86 userland

From: Henrique de Moraes Holschuh
Subject: Re: x86_64 and x86 userland
Date: Wed, 4 May 2005 18:37:00 -0300
User-agent: Mutt/1.5.9i

On Tue, 03 May 2005, Russ Allbery wrote:
> Harald Dunkel <address@hidden> writes:
> > Ralf Wildenhues wrote:
> >> I have a question regarding systems with more than one ABI,
> >> specifically x86_64.  If you consider for example the Debian
> >> distribution which has a x86_64 kernel, but a completely x86 userland,
> >> config.guess still gives you x86_64-unknown-linux-gnu as output.  (I
> >> have been told this, but not tried it myself).
> > What do you mean by "a completely x86 userland"?
> > I am running Debian (amd64) on my PC at home. There are no 32bit
> > applications on it. AFAIK this is different to some other major Distros
> > claiming "amd64".
> There are two ways of running Debian with amd64.  Your way is the full
> separate architecture approach, which has (unofficial but pretty solid)
> support for sarge.  The other way is to use the standard i386 architecture
> but install an amd64 kernel and the amd64-libs package, which I think is
> what Ralf is talking about.

Well, as long as gcc and dpkg-architecture think it is running under a
x86_64 (which *is* 64-bit in Debian), then the only sane config.guess output
will be x86_64-something.

  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh

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