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Re: fftw3: Patch for powerpc build failure



On Fri, 2004-01-02 at 04:11, Michel Dänzer wrote:
> On Thu, 2004-01-01 at 16:45, Colin Watson wrote:
> > On Thu, Jan 01, 2004 at 01:19:14PM +0000, Colin Watson wrote:
> > > On Mon, Dec 29, 2003 at 12:32:34PM -0500, Lukas Geyer wrote:
> > > > the problem with fftw3 on powerpc is that the current debian/rules
> > > > assumes that all powerpc CPUs know Altivec instructions. That is
> > > > plainly untrue (Altivec is only available in the most recent CPUs) and
> > > > leads to an illegal instruction error here. The buildd fails with sig
> > > > 11, but I suspect the reason is the same.
> 
> No, as the signal 11 happens on Altivec machines. Which version do you
> get an illegal instruction with doing what, under what circumstances? (I
> suspect this should be another bug though)

Note that it seems gcc-3.3 still has a very significant amount of bugs
related to altivec codegen... 3.4 is supposed to be much better, though
not completely bug free yet

Ben.



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