Re: CPU specific/optimized Debian builds ?

[Fabio Massimo Di Nitto <fabbione@fabbione.net>]

Glenn McGrath wrote:

> On Thu, 23 May 2002 07:31:05 -0400
> "Michael Stone" <mstone@debian.org> wrote:
>
>  
>
> > On Thu, May 23, 2002 at 12:37:40PM +0200, Renaud Guerin wrote:
> >    
> >
> > > I've read the performance improvements in the case of Gentoo *really*
> > > make a difference.
> > >      
> > Do you have actual benchmarks rather than hearsay from some leet /.
> > kiddie? No one has ever come to debian with a convincing set of numbers
> > that indicate that optimizing intel builds buys any significant
> > advantage.
> >
> >    
>
> It would be very stupid to suggest it makes it slower.
>
> We should consider it our obligation to allow our users to take full
> advantage of their hardware, that doesnt mean we have to provide
> pre-compiled binaries for every sub-arch, but we should allow users to
> build their own optimised packages.
>
> IMHO our packaging system is severly lacking in this regard, i think
> dpkg-architecutre needs to evolve, its a pretty hairy problem though.
>
>
> Glenn
>
>
>  
At the actual state to build i686 I had to made small changes
to dpkg, glibc and gcc. apt can be rebuilt cleanly but you can't
use it efficently until there will be a spec-arch official mirror.

I will make my patches available later this evening eu time.
I don't ensure that they break something else since Im still
toying in a chroot environment but atleast is a point from where
people can start.

Fabio

PS --force-architecture it will be your best friend :-)



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