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Re: Bring BLAS into pkgsrc, pt. II
Am Thu, 8 Aug 2019 10:18:54 -0500
schrieb Jason Bacon <outpaddling%yahoo.com@localhost>:
> We can certainly import cblas and openblas* without breaking anything,
> since these are new packages.
Cblas does not make sense without the blas.bl3, same for lapacke.
> Have you tested dependent packages with the new blas/lapack directly,
> bypassing blas.bl3? Do we need to worry about breaking anything by
> upgrading them without converting dependents to use blas.bl3?
The worry point is the upgrade. the new math/blas now depends on
math/lapack, but that still provides the libraries needed for the build
as before. The difference is the changed LAPACK version and the
SOVERSION associated with that.
Apart from that, the lapack/buildlink3.mk and blas/buildlink3.mk files
should work like before, only with lapack being pulled as indirect
dependency by blas. I did not do that much testing, as I always build
my stuff with openblas.
So, if we bump the PKGREVISIONS to trigger re-builds of things, the
import of math/lapack, math/blas, math/openblas* can happen independent
of the introduction of mk/blas.buildlink3.mk.
After mk/blas.buildlink3.mk being introduced, math/cblas and
math/lapacke can follow. They don't exist yet in pkgsrc main.
Dr. Thomas Orgis
HPC @ Universität Hamburg
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