Re: Debian for x86-64 (AMD Opteron)

[Michael Banck <mbanck@debian.org>]

On Thu, Apr 10, 2003 at 04:43:57PM +0200, Emile van Bergen wrote:
> On Thu, Apr 10, 2003 at 03:33:39PM +0200, Wichert Akkerman wrote:
> 
> [SNIP]
> > So basically, I don't think this is a very good idea. However I think we
> > can solve it differently in a much simpler way:
> > 
> > * modify dpkg (already planned) to allow it to install packages from
> >   different architectures on a system where it makes sense
> > * change the naming of the libraries, for example by adding '64' to the
> >   64bit version of a library
> > 
> > That way you could do something like:
> > 
> > # echo x86-64 >> /etc/dpkg/legal-archs
> > # dpkg -i libgtk2-2.0-1_i386.deb
> > # dpkg -i lib64gtk2-2.0-1_x8664.deb
> 
> To my untrained eye, this seems an excellent and very general solution.
> 
> As a slight but positive side effect, it also seems to open the way to
> per-CPU optimized library versions; if you have a 686, you add 686 (or
> 686-cmov) to /etc/dpkg/legal-archs, and can install either
> 
> libssl0.9.6-0.9.6c-2_i386.deb or 
> libssl0.9.6-0.9.6c-2_i686.deb; 
> 
> on a x86-64 you'd have the choice between those same two plus 
> 
> libssl0.9.6-0.9.6c-2_x8664.deb

Please note the
wiggy> * change the naming of the libraries, for example by adding '64' to
wiggy> the 64bit version of a library

Your above examples all have the same package name, just for a different
architecture. AFAICT, this is exactly what Wichert wanted to avoid.

Michael