Fwd: python-numpy has problems on buildbots

["Ondrej Certik" <ondrej@certik.cz>]

On Dec 5, 2007 1:03 PM, José Fonseca <j_r_fonseca@yahoo.co.uk> wrote:
> Hi,
>
> On 12/5/07, Ondrej Certik <ondrej@certik.cz> wrote:
> > Hi,
> >
> > we with Kumar made a progress and had python-numpy uploaded (thanks Fabio).
> >
> > It builds nicely in pbuilder, but fails to build on buildbots. See:
> >
> > http://buildd.debian.org/pkg.cgi?pkg=python-numpy
> >
> > Fabio uploaded it on amd64, so that one is fine.
> >
> > Crucial are the following lines from debian/control:
> >
> > Build-Depends: cdbs (>= 0.4.43), python-all-dev, python-all-dbg,
> > python-central (>= 0.5.6), refblas3-dev [!arm !m68k], lapack3-dev
> > [!arm !m68k], debhelper (>= 5.0.38), g77, patchutils, python-docutils,
> > fftw3-dev
> > Build-Conflicts: lapack-dev [!arm !m68k], blas-dev [!arm !m68k],
> > atlas2-base, atlas2-base-dev, atlas3-base, atlas3-base-dev
> >
> > As you can see, arm and m68k are exceptions and indeed python-numpy
> > builds on them just fine (see the link above). (It's still building on
> > m68k, but last revision built there fine). It
> > doesn't build on other architectures. If we look for example why it
> > failed on the most important architecture i386:
> >
> > [...]
> >
> > So as you can see, the problem is that buildbots install atlas3-base
> > for some reason and because we build-conflict with it, we fail.
> >
> > Three questions:
> >
> > 1. Why is there the build-conflict in the first place? This is the
> > question to original maintainers (Marco, Alexandre, Jose, Matthias)
>
> I added the build-conflict because without it, dpkg-shlibdeps would
> make them depend exclusively on blas and lapack, instead of depending
> on the virtual package (because all other packages provide blas and
> lapack)
>
> So instead of getting the desired:
>
>   Depends: atlas3-base | lapack3 | liblapack.so.3, atlas3-base |
> refblas3 | libblas.so.3, ...
>
> dpkg-shlibdeps would produce:
>
>   Depends: atlas2-base
>
> Or
>
>   Depends: atlas3-base
>
>


I tried that - i.e. installed atlas3-base on my system, commented out
build-conflicts, built python-numpy and got these dependencies:

Depends: atlas3-base | lapack3 | liblapack.so.3, atlas3-base |
refblas3 | libblas.so.3, ...

which is imho correct, right? We are going to upload now.

Ondrej