crash in config.guess on Power Mac G5 under Mac OS X 10.4.6

Vincent Lefevre vincent at
Sat May 20 01:42:25 CEST 2006

On 2006-05-20 00:58:42 +0200, Torbjorn Granlund wrote:
> Vincent Lefevre <vincent at> writes:
>   If you fear that the code won't compile (there could
>   be freestanding C implementations after all), then you can detect
>   that too and try on a code without signals (e.g. the current one)
>   as a fallback.
> Ah, what you're suggesting is that we first run a pre-configure in
> order to run config.guess.  :-/

The config.guess already has lots of tests based on whether the
programs fail or not. That would just be another one.

>   generates a 160-KB core file on my machine here. That's OK here,
>   but I'd prefer to avoid it. One never knows what can occur in
>   every situation.
> Let's concentrate our efforts on real problems, not hypothetical
> ones!  I bet an arm and a leg that this will never be a stumbling
> block for building GMP.

Well, the problem on Mac OS X is a real problem, whereas the ones
concerning the possible breakage due to SIGILL trapping are just
hypothetical ones.

Vincent Lefèvre <vincent at> - Web: <>
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Work: CR INRIA - computer arithmetic / SPACES project at LORIA

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