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Date: Mon, 8 Dec 2008 10:13:08 -0500
From: Justin Hibbits <jrh29@alumni.cwru.edu>
To: freebsd-ppc@freebsd.org
Message-ID: <20081208151307.GA41398@narn.knownspace>
References: <1228748788.1832.18.camel@horst-tla>
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Subject: Re: Sane CFLAGS.
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On Tue, Dec 09, 2008 at 02:06:28AM +1100, Horst Günther Burkhardt III wrote:
> Hey y'all.
> 
> FreeBSD is working a treat. 
> 
> Except for one little thing.
> 
> I changed my CFLAGS in make.conf - then compiled a HEAP of stuff. Which
> mostly now just spits out SIGILL.
> 
> I have a PowerMac3,3 - Power Macintosh G4, 400MHz with 1MB cache.
> 
> my CFLAGS were -Os -pipe -mcpu=7400 -mtune=7400 -maltivec -mabi=altivec
> 
> I later changed that -Os to -O2 to no effect.
> 
> What happened? Can I please have some advice regarding CFLAGS to set?
> 
> (I'm contemplating removing altivec but would like advice from those
> more experienced than I.)
> 
> Thanks,
> -- Horst.

Your problem is Altivec - there is no altivec support in the kernel yet, so
you'll get SIGILL whenever it hits an altivec instruction.

- Justin