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Re: intel-mkl does not set alternatives for non-multiarch blas/lapack in Stretch

Source: intel-mkl
Version: 2019.1.144-3~bpo9+1
Severity: normal

Hi Frederik,

Thank you for reporting this issue. To some extent I don't like
to restore the old behavior as it increases the differential
between the unstable version and the one for stable-backports.

I'll leave it as a bug. Maybe I'll fix it for the next bpo upload.
(i.e. 2019.2.187-1~bpo9+1 when it migrates)

On Thu, Feb 21, 2019 at 02:47:39PM +0100, Frederik Himpe wrote:
> The intel-mkl backport sets multiarch alternatives for libblas and
> liblapack. However Stretch does not use multiarch libblas/liblapack
> yet, which means that all Stretch packages still are not using libmkl,
> even when set as default.
> # update-alternatives --display liblapack.so.3
> liblapack.so.3 - auto mode
>   link best version is /usr/lib/openblas-base/liblapack.so.3
>   link currently points to /usr/lib/openblas-base/liblapack.so.3
>   link liblapack.so.3 is /usr/lib/liblapack.so.3
>   slave liblapack.so.3gf is /usr/lib/liblapack.so.3gf
> /usr/lib/lapack/liblapack.so.3 - priority 10
> /usr/lib/openblas-base/liblapack.so.3 - priority 40
>   slave liblapack.so.3gf: /usr/lib/openblas-base/liblapack.so.3
> # update-alternatives --display liblapack.so.3-x86_64-linux-gnu
> liblapack.so.3-x86_64-linux-gnu - manual mode
>   link best version is /usr/lib/x86_64-linux-gnu/libmkl_rt.so
>   link currently points to /usr/lib/x86_64-linux-gnu/libmkl_rt.so
>   link liblapack.so.3-x86_64-linux-gnu is /usr/lib/x86_64-linux-
> gnu/liblapack.so.3
> /usr/lib/x86_64-linux-gnu/libmkl_rt.so - priority 1
> -- 
> Frederik Himpe <fhimpe@ai.vub.ac.be>
> Vrije Universiteit Brussel

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