#6743: cygwin metaticket: port Sage to Microsoft Windows (via Cygwin): stage 1
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make building Sage automatic
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Reporter: was | Owner: was
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-5.8
Component: cygwin | Resolution:
Keywords: sd31 sd32 | Work issues:
Report Upstream: N/A | Reviewers: Jean-Pierre Flori, Dmitrii
Pasechnik, Karl-Dieter Crisman, Mike Hansen, William Stein, Luis Tabera
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by SimonKing):
Replying to [comment:193 kcrisman]:
> > As it turns out, #14254 wasn't the (whole) problem. Most of the
errors were of the following ilk.
> > {{{
> > Exception KeyError: (The ring pointer -0x1f5282c,) in
'sage.libs.singular.ring.singular_ring_delete' ignored
> > }}}
> I don't know what is going on here.
There is a ticket #13447 concerning garbage collection of libsingular
rings. The work stalled, because of problems related with #715 that
eventually turned out to be upstream bugs in (a) Singular and (b) Cython.
It would certainly make sense to try and revive this ticket.
> >{{{
> > File "plural.pyx", line 573, in
sage.rings.polynomial.plural.NCPolynomialRing_plural.__hash__
(sage/rings/polynomial/plural.cpp:6487)
> > OverflowError: Python int too large to convert to C long
> > }}}
> So ... would importing and using the `signed_id` function from #14254 be
sufficient here?
Note that the error message is different: Now, it is not a long int that
can not be converted to an int, but it is a Python int that is too long
for a long.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6743#comment:194>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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