We had a discussion about that on the irc channel, and it seems, that we
can make a boostrap path to another architecture by using a bootstrapped
toolchain and cross compiling. It is not very confortable, but I think we
can extend the list of bootstrappable software considerably by that.

2017-11-20 19:48 GMT+01:00 Jan Nieuwenhuizen <janneke@gnu.org>:

> Ludovic Courtès writes:
>
> Hey Ludo'
>
> > Also, AIUI, stage0 is i386-specific.  Thoughts on how we can eventually
> > support the other architectures Guix works on?
>
> I goofed ere.  Stage0 is mainly using a VM and it has a x86_64
> prototype; no x86 yet.  Of course, creating the x86 hex0 is almost
> trivial given that 64 bit has been done.
>
> However, the main problem is the gap between hex0 and hex1, hex2.  We
> just ignored this by prototyping hex2 and M2 in C.  hex2 and M2 are
> architecture agnostic.
>
> MesCC currently outputs M2, but only for x86.  I'm confident that if we
> show that x86 works and if we consider it to be of value, then x86_64 is
> just more work.  Other architectures...well, "just" more work ;-)
>
> > Thank you, and congrats on this milestone!
>
> Thanks!
> janneke
>
> --
> Jan Nieuwenhuizen <janneke@gnu.org> | GNU LilyPond http://lilypond.org
> Freelance IT http://JoyofSource.com | Avatar® http://AvatarAcademy.com
>
>