[Reproducible-builds] On which arch should Arch:all packages be built? addition to scsh-0.6, we should not be trying to build these packages on amd64:

[Mattia Rizzolo]

On Sun, Nov 29, 2015 at 09:57:55AM +0100, Jérémy Bobbio wrote:
> Santiago Vila:
> > If we had a case like this, an architecture field in the source
> > package saying "i386 all" would mean that we could do all this:
> > 
> > "dpkg-buildpackage" under i386 to build the i386.deb and the all.deb.
> > "dpkg-buildpackage -A" under i386 to build only the all.deb.
> > "dpkg-buildpackage -B" under i386 to build only the i386.deb.
> > 
> > and at the same time it would be possible that the source package is
> > just not designed or ready to build the all.deb under, say, amd64.
> 
> While I agree, I really think you've identified a hole in the policy
> here. Either we need a formal agreement that "i386 all" = "Arch: all"
> packages must be built on i386 or an extra field somewhere to indicate
> that.
> 
> I would suggest moving the discussion to a better suited communication
> channel as this is a general issue. Maybe debian-dpkg at l.d.o?

I think you hit the following issue:

ftbfs_build_depends_not_available_on_amd64:
  description: |
    Package build depends on some package(s), which are not available on amd64.
    Relevant URLs:
    - https://wiki.debian.org/Build-Depends-Indep
    - https://bugs.launchpad.net/launchpad/+bug/217427

If I understand this particular issue, I think it's the same highlighted
and solved in ubuntu in that bug, with the addition of
Build-Indep-Architecture.

Please correct me if I'm wrong.

-- 
regards,
                        Mattia Rizzolo

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