#11444: optional package cbc-2.3.p2.spkg does not build on some platforms on
sage-4.7.1.alpha1
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Reporter: mariah | Owner: tbd
Type: defect | Status: new
Priority: minor | Milestone: sage-4.7.1
Component: optional packages | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Comment(by kcrisman):
Replying to [comment:2 ncohen]:
> Hellooooooo !!!
>
> Well, this doctest has been written before GLPK got installed as a
standard spkg. Since then, a function using LP needs not be optional
anymore. On the other hand, if you have CBC or CPLEX installed, the LP
will be solved with them instead of GLPK. The truth is this #optional
keyword could be removed. The only occurrences of "#optional CBC" should
appear in the file numerical/backends/coin_backend.pyx
Interesting! So maybe we should open another ticket to fix that.
That doesn't explain this doctest, though I have to admit I rarely run
optional doctests because they usually involve programs I don't have.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11444#comment:3>
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