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Let FFLAS-FFPACK use Sage's LAPACK #14390

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jpflori opened this issue Mar 30, 2013 · 5 comments
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Let FFLAS-FFPACK use Sage's LAPACK #14390

jpflori opened this issue Mar 30, 2013 · 5 comments
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c: packages: standard r: wontfix t: enhancement

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@jpflori
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jpflori commented Mar 30, 2013

The current spkg fails to detect (Sage's) LAPACK.
It uses the same linker option to detect it as to detect BLAS and it obviously fails.

It also fails to build on (some?) Solaris system with the new ATLAS from #10508 which is threaded ATLAS and needs to link with realtime library (-lrt).

Component: packages: standard

Reviewer: Clement Pernet

Issue created by migration from https://trac.sagemath.org/ticket/14390
@jpflori jpflori added this to the sage-5.11 milestone Mar 30, 2013
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@jdemeyer jdemeyer modified the milestones: sage-5.11, sage-5.12 Aug 13, 2013
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jpflori commented Dec 23, 2013

comment:3

fflas_fflapack install script also needs serious revamping for Solaris, Cygwin and surely other os where it looks for system-wide libraries or libraries we don't build anymore.

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jpflori commented Dec 23, 2013

comment:4

For solaris we surely need to pass -lrt.
See #10508

@sagetrac-vbraun-spam sagetrac-vbraun-spam mannequin modified the milestones: sage-6.1, sage-6.2 Jan 30, 2014
@sagetrac-vbraun-spam sagetrac-vbraun-spam mannequin modified the milestones: sage-6.2, sage-6.3 May 6, 2014
@sagetrac-vbraun-spam sagetrac-vbraun-spam mannequin modified the milestones: sage-6.3, sage-6.4 Aug 10, 2014
@ClementPernet
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comment:8

The dependency of fflas-ffpack to LAPACK is optional and really not relevant to sage. It is only used for benchmarks, in order to compare its timings with LAPACK's.

It is safe to assume that Sage should build fflas-ffpack without LAPACK dependency and I suggest to close this ticket.

@ClementPernet ClementPernet removed this from the sage-6.4 milestone Sep 16, 2015
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Reviewer: Clement Pernet

@vbraun vbraun closed this as completed Sep 25, 2015
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