#9533: Update GSL to the latest upstream release (1.14) & permit parallel
building.
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Reporter: drkirkby | Owner: tbd
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.5.1
Component: packages | Keywords:
Author: David Kirkby | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by drkirkby):
Replying to [comment:17 leif]:
> I must admit I don't understand that ATLAS thing. It seems to me
{{{configure}}} doesn't look for anything related to it. If it did, we had
to add {{{-I$SAGE_LOCAL/include}}} and {{{-L$SAGE_LOCAL/lib}}}. I tried
that, but it doesn't make any difference. I also couldn't find any
{{{configure}}} options to build extra stuff or use external packages. Or
does this only matter if one puts additional packages into the source
tree?
Like you, I can't understand the ATLAS thing. The
[http://www.gnu.org/software/gsl/ GSL web site] mentions it:
''GSL requires a BLAS library for vector and matrix operations. The
default CBLAS library supplied with GSL can be replaced by the tuned ATLAS
library for better performance''
But when I tried building a 32-bit GSL in Sage, where there were all
64-bit libraries (including ATLAS), this built fine. Had it really tried
to link to the ATLAS library, then the build would have failed. So quite
how you link to ATLAS to get better performance is beyond me. It is
certainly not linking to ATLAS in Sage. That means there is an unnecessary
dependency in 'deps' but I'm not going to worry over this.
Dave
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9533#comment:18>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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