[Debian-olpc-devel] Bug#855932: sugar-physics-activity: FTBFS: unsatisfiable build-dependencies: python-sugar-0.88, python-sugar-toolkit-0.88

[Lucas Nussbaum]

On 26/02/17 at 17:02 +0100, Sascha Steinbiss wrote:
> Hi,
> 
> > During a rebuild of all packages in stretch (in a stretch chroot, not a
> > sid chroot), your package failed to build on amd64.
> […]
> > > The following packages have unmet dependencies:
> > >  sbuild-build-depends-sugar-physics-activity-dummy : Depends: python-sugar-0.88 but it is not installable
> > >                                                      Depends: python-sugar-toolkit-0.88 but it is not installable
> > > E: Unable to correct problems, you have held broken packages.
> > > apt-get failed.
> 
> I just tried to reproduce this in a current stretch cowbuilder chroot, and for me the questionable build-deps are satisfied through their alternatives in d/control, which are python-sugar_0.98.0-5 and python-sugar-toolkit_0.110.0-1. The build succeeds for me, see attached log.
> 
> I’m not sure here why your build insists on python-sugar-0.88 (if you are, I would be glad to be enlightened!). BTW I encountered the same issue when trying to reproduce #855925.

Hi,

For reproducibility reasons, sbuild only uses the first alternative when
considering alternative build-deps. If you really need the alternative,
you course revert it (a|b => b|a) to make sbuild happy.

Lucas