[Bug 1591910] Review Request: blis - BLAS-like Library Instantiation Software

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https://bugzilla.redhat.com/show_bug.cgi?id=1591910

Orion Poplawski <orion@xxxxxxxx> changed:

           What    |Removed                     |Added
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                 CC|                            |orion@xxxxxxxx



--- Comment #12 from Orion Poplawski <orion@xxxxxxxx> ---
Creating the new libblas.so.3 libraries is a pretty clever trick, and I think
solves one of the problems I was running into while working on
https://fedoraproject.org/wiki/PackagingDrafts:BLAS_LAPACK

However, I think there are still issues that need to be fleshed out.  The main
issues with how this is packaged now are:
- Installing packages may bring in (unexpectedly) blis instead of blas because
blis provides libblas.so.3()(64bit)
- There is no consistent/managed way to switch between implementations
- How do you select between the serial and different parallel versions of the
libblas libraries?  They all appear to have the same soname so any could be
selected which is almost certainly incorrect.
- The 64-bit libblas soname is actually libblas64_.so.3()(64bit)

For now I think it would be fine to package without the ld.so.conf.d files and
filtering out the libblas* sonames.  Users can create their own ld.so.conf.d
file or set LD_LIBRARY_PATH however they choose (e.g. modules).  But beyond
that requires distro wide coordination.

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