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Re: PATCH: Handle Linux/mips (Re: Why is byteorder removed from /proc/cp

To: Ralf Baechle <ralf@oss.sgi.com>
Subject: Re: PATCH: Handle Linux/mips (Re: Why is byteorder removed from /proc/cpuinfo?)
From: Daniel Jacobowitz <dan@debian.org>
Date: Tue, 11 Dec 2001 18:11:12 -0500
Cc: Ben Elliston <bje@redhat.com>, "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>, "H . J . Lu" <hjl@lucon.org>, linux-mips@oss.sgi.com
In-reply-to: <20011211113008.A30693@dea.linux-mips.net>
References: <Pine.GSO.3.96.1011210211533.24010J-100000@delta.ds2.pg.gda.pl> <Pine.LNX.4.33.0112110939100.17417-100000@hypatia.brisbane.redhat.com> <20011211113008.A30693@dea.linux-mips.net>
Sender: owner-linux-mips@oss.sgi.com
User-agent: Mutt/1.3.23i
On Tue, Dec 11, 2001 at 11:30:08AM -0200, Ralf Baechle wrote:
> On Tue, Dec 11, 2001 at 09:40:50AM +1000, Ben Elliston wrote:
> 
> > > > crosscompilation unlike the /proc/cpuinfo thing and doesn't rely on
> > > > properly installed libraries and headers might possibly of interest for
> > > > building standalone software.
> > 
> > >  Hmm, I don't think config.guess is ever used for cross-compilation as
> > > the script's purpose is to guess the host and you need to specify one
> > > explicitly for a cross-compilation to happen.  Anyway it's saner not
> > > to use build system properties to guess host system ones.
> > 
> > You're close, but not quite correct.  In a cross-compilation environment,
> > the job of config.guess is to determine the type of the build system,
> > which may be different to the host and will certainly be different to the
> > target.
> 
> In case of Linux/MIPS it could guess wether it's a little endian or big
> endian configuration and emit mips-unknown-gnu-linux or
> mipsel-unknown-gnu-linux that is taking away the burden of the user knowing
> about the right endianess for his target - specifying mips-linux as target
> should then be sufficient.  Does that sound sane or would overriding the
> users explicitly give targetname (or even hostname for a native build) be
> considered a bad thing?

Since specifying "mips-linux" is understood to mean big-endian right
now, I'd say yes...

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer

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