[maemo-developers] [maemo-developers] Strange behavior with -O3 CFLAGS on ARM

[From: Koen Kooi]

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Rudá Moura wrote:
> Hello list,
> 
> I was amazed by a (possible) nasty bug in Pygame for ARM architecture.
> Whenever I try to open and close pygame.mixer module and then exiting
> the Python interpreter I got a segmentation fault. This isn't happening
> on i386 architecture.
> 
> I thought it could be a bug in Pygame so I started to debug it. Then I
> realize that compiling without optimizations the bug was not triggered.
> Well, in resume: pygame was never the problem, the problem was in
> compiling Python 2.4 with -O3 CFLAGS and then compiling PyGame with -O3,
> this just make bugged code for ARM. So I recompiled everything with -O2
> CFLAGS to be more conservative.
> 
> Anyone having problem with -O3 on ARM?
Qemu or real ARM hardware?

regards,

Koen

> 
> This is my setup:
> - scratchbox 0.9.8.4, gcc 3.3.4, libc 2.3.2, python 2.4, pygame 1.6.
> 
> Rudá
> 
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> maemo-developers at maemo.org
> https://maemo.org/mailman/listinfo/maemo-developers
> 

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