On Feb 21, 6:23 am, mabshoff <[email protected]> wrote:
> On Feb 21, 6:10 am, John Cremona <[email protected]> wrote:
>
> Hi John,
>
> > Am I the only person for whom "sage -upgrade" always fails? It
> > downloads lots of stuff, builds lots of stuff, and leaves me with an
> > un-runnable sage which doesn't know whether it is the old version or
> > the new.
>
> -upgrade is designed to upgrade one clean tree to another clean tree,
> i.e. if you do development in it or use queues for example you will
> run into trouble with some probability.
>
> > In this case my working 3.3.rc2 was upgraded. Afterwards, the banner
> > still says 3.3.rc2 and it crashes on startup like this:
> > ImportError Traceback (most recent call
> > last)
> > ...
> > ImportError: /home/john/sage-3.3.rc2/local/lib/python2.5/site-packages/
> > sage/matrix/matrix_mod2_dense.so: undefined symbol:
> > mzd_echelonize_m4ri
> > Error importing ipy_profile_sage - perhaps you should run %upgrade?
> > WARNING: Loading of ipy_profile_sage failed.
>
> Ok, have you checked ig the Sage library has more than one head? This
> is usually the cause for the above and indicates half-way done merges.
>
> > So once again I just delete the entire directory and download a
> > complete source, ending up taking longer than if had just done that
> > from the start.
>
> Well, *if* it is "just" the Sage library that is somehow botched run
>
> rm -rf devel/sage
oops:
rm -rf devel/sage*
Note that this will nuke all your changes, but that should be fairly
obvious :)
> ./sage -f spkt/standard/sage-x.y.z.spkg
>
> and it should all get back to normal quicker than a complete build.
>
> I strongly suspect that you upgrade trees where you develop in, so I
> would recommend that you use a clone for that one and switch back to
> the main branch before upgrading.
>
> Cheers,
>
> Michael
Cheers,
Michael
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