PATCH: Run sysdeps preconfigure fragment before add-ons

[Roland McGrath]

> Do I need to update my patch? Do you want to run main tree
> sysdeps/*/preconfigure
> together with add-ons sysdeps/*/preconfigure?

I took care of it.

> My sysdeps/x86_64/preconfigure has
> 
> test -n "$base_machine" || case "$machine" in
> x86_64)

That is the right style: it tests $machine rather than assuming
it applies just because of the location of the preconfigure script.
(I'm not reviewing the actual content of your code there.)


Thanks,
Roland