Re: Experiment with sagemath and Polybori needs to be built

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2012/4/25 Paulo César Pereira de Andrade
> Em 25 de abril de 2012 17:35, Jerry James <loganjerry@xxxxxxxxx> escreveu:


>  polybori does not build because CUDD_TIMEOUT_EXPIRED is
> not defined in cudd.h (it should be in an enum).

Sorry to be slow.  So the current polybori effectively requires cudd
2.5.0, but Fedora 16 has cudd 2.4.2.  Got it.  This patch isn't
necessary for Fedora 17 or Rawhide, which have cudd 2.5.0, so I will
probably do nothing about this problem.  Sorry.

>  Ok. I am currently running fedora 16 in my home computer, but
> should update to use rawhide at some point.

I run Rawhide inside virtual machines, since it can get a bit rough at
times.  But Fedora 17 Beta just came out.  Perhaps it would be worth
updating to that.

>  I found only python-polybori{,-devel} with "yum search polybori", so, I
> built polybori from
> but used the available cudd-devel.

Right.  The situation is not great on Fedora 16, but is too painful to
change now.  Let's focus on making the Fedora 17 versions be all that
we need.

>> Also, I haven't yet built polybori with NTL support.  Is that going to
>> be necessary for Sage?
>  Not 100% sure, but several other issues are likely to happen,
> and "sage -testall" will show the problems, while others should
> also appear until actually getting everything built. But at first
> I think it is required. I remember polybori being one of the major
> source of problems in my first sagemath packages.

Okay, I'll see what needs to happen to build polybori with NTL
support, and add the patch to install flags.conf.

>> What patch would NTL need to solve this problem?
>  It is basically to allow sagemath cython code to have access to the
> error string NTL my print.
>  The patch I have been using is
>  You may also want to package and build ntl with gf2x support.
>  For the NTL patch probably we should contact upstream to attempt
> to have it (not exactly as is in the above link), or an alternate patch with
> the same feature added.

I am adding the NTL package maintainer to CC to make him aware of this
issue.  Regards,
Jerry James
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