#14406: Various prereq fixes
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Reporter: jdemeyer | Owner: drkirkby
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.9
Component: porting | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Jeroen Demeyer | Merged in:
Dependencies: | Stopgaps:
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Comment (by kcrisman):
> > > Unless I'm misunderstanding something about your question?
> > You didn't really answer my question, you confirmed that it is needed
without mentioning why it is needed. Perhaps a more explicit question is:
what goes wrong if you don't have lapack?
> On Cygwin the lapack packages provide both BLAS and LAPACK. And the
current Sage's ATLAS spkg, or the one from #10508, does not build ATLAS on
Cygwin. It will not be really hard, but requires some more thoughts and
work.
I thought that was basically what I was saying... not sure what happened
here.
Anyway, as to the check, the reason to have it early is that atlas might
build quite late in a process, and then someone says "Oh, Mxyzptlk, why
did I waste all that time building Sage and I didn't have the right
prereqs?" Which I guess JP just said too.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14406#comment:47>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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