[crosstool-ng] error building x86 toolchain

[Dimitry Andric]

Yann E. MORIN wrote:
> Which reminds me something very similar a while back: the minimum suported
> CPU on x86 is i486, because the i386 lacks some instruction that is needed
> (for whatever needs it: TLS? NPTL? ...).

Seems to be this reference:

http://www.redhat.com/archives/fedora-devel-list/2004-May/msg00617.html :

==quote==
3) NPTL has not been ported to i386, only i486+, x86_64,
   ia64, ppc32, ppc64, s390, s390x, alpha, sh and sparcv9.
   i386 (and sparc < v9) lacks atomic instructions powerful
   enough for NPTL needs.  Well, I have tried to port NPTL
   to i386, http://sources.redhat.com/ml/libc-hacker/2004-05/msg00019.html,
   but that port is severely limited and maintaining two
   different IA32 ports would be too much work.
   So for NPTL by default we need a i486-*-linux build of
   glibc at least
==quote==

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