[Octave-bug-tracker] [bug #57591] Segmentation faults when running the test suite (mostly with clang)

[Doron Behar]

Follow-up Comment #105, bug #57591 (project octave):

[comment #103 comment #103:]
> I never recommended using OpenBLAS. In fact, I asked whether you could
reproduce with the reference BLAS libraries.
> 
> If you ask for my recommendation, I'd advice against going down that rabbit
hole of 64bit indices in BLAS/LAPACK. Instead stick to 32bit indices for
BLAS/LAPACK and all related numeric libraries.

Yes you do:
https://octave.org/doc/v5.2.0/External-Packages.html#External-Packages
quoting:

> Basic Linear Algebra Subroutine library. Accelerated BLAS libraries such as
OpenBLAS (https://www.openblas.net/) or ATLAS
(http://math-atlas.sourceforge.net) are recommended for best performance. The
reference implementation (http://www.netlib.org/blas) is slow, unmaintained,
and suffers from certain bugs in corner case inputs.

The tests that previously failed, succeed when I use the same openblas for
octave, qrupdate, suitesparse and arpack, though I'm worried about the
degraded performence warning of suitesparse..

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