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Re: Support for i386 builds of glibc?

From: "Carlos O'Donell" <carlos at redhat dot com>
To: Roland McGrath <roland at hack dot frob dot com>
Cc: GNU C Library <libc-alpha at sourceware dot org>
Date: Mon, 04 Mar 2013 14:13:19 -0500
Subject: Re: Support for i386 builds of glibc?
References: <5134DD1D.7090906@redhat.com> <20130304191059.862FF2C0A3@topped-with-meat.com>

On 03/04/2013 02:10 PM, Roland McGrath wrote:
> AFAIK i386 has not been supported for Linux configurations since the advent
> of NPTL.  AIUI i386 per se supports exactly one SMP-safe operation, which
> is xchg.  Reworking everything to work with just that is conceivable, but
> it doesn't seem worth the effort.
> 
> i386 has always and AFAIK still works for Hurd configurations.  But I don't
> think there is any particular reason we care to support < i486.  If anybody
> really has chips that old still in use, they can show up and do the work.

Thanks for the Hurd perspective. See my other question to Joseph about issuing
a hard configure error if we see -march=i386.

Cheers,
Carlos.

References:
- Support for i386 builds of glibc?
  - From: Carlos O'Donell
- Re: Support for i386 builds of glibc?
  - From: Roland McGrath

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