[quake3-bugzilla] [Bug 4703] alpha: ARCH_STRING inconsistent with Makefile, and -ffast-math doesn't work

[bugzilla-daemon at icculus.org]

http://bugzilla.icculus.org/show_bug.cgi?id=4703

--- Comment #2 from Simon McVittie <smcv-ioquake3 at pseudorandom.co.uk> 2010-08-16 06:40:41 EDT ---
Steve writes:
> My Alpha died a couple of years back and I have no plans to resuscitate it.
> Best to ask on the debian-alpha list for help.
>
> But the meaning of -ffast-math hasn't changed, so unless there have been
> code changes in openarena around fp handling, it's still inappropriate to
> use here.

Consulting `info gcc`, I noticed this:

> `-mieee'
>      DEBIAN SPECIFIC: This option is on by default, unless
>      `-ffinite-math-only' (which is part of the `-ffast-math' set) is
>      specified, because the software functions in the GNU libc math
>      libraries generate denormalized numbers, NaNs, and infs (all of
>      which will cause a programs to SIGFPE when it attempts to use the
>      results without `-mieee').

I suspect that this is the problem here, and -ffinite-math-only isn't really
safe to use in ioquake3, at least on Alpha.

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