#20542: Allow choosing between ATLAS and OpenBLAS
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Reporter: jdemeyer | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-7.2
Component: build | Resolution:
Keywords: | Merged in:
Authors: Jeroen Demeyer | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jdemeyer/allow_choosing_between_atlas_and_openblas|
df750a356e54cd53c311247aa452249e93ff32b3
Dependencies: #20392 | Stopgaps:
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Comment (by fbissey):
The mechanics looks alright but I went to have a few hours to digest it.
Since we are not changing the current spkg, things are not as informative
as they could be. How do you know from `configure --help` that
1) --with-blas=atlas (or nothing) allows you to use a system ATLAS via an
environment variable.
2) that the same option will give use the accelerate framework on OS X by
default (there is a way to force ATLAS build but that's a real expert
case).
The first one may qualify as an expert use case where we don't want to
make the suggestion in configuration's help message. I think the second
one should deserve a mention, one way or another.
--
Ticket URL: <http://trac.sagemath.org/ticket/20542#comment:6>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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