[Octave-bug-tracker] [bug #49547] Update libs blas and lapack

[John W. Eaton]

Follow-up Comment #13, bug #49547 (project octave):

The problem isn't specific to gentoo, but it isn't a bug in Octave either. 
It's just the way that shared libraries work with versioning info.  By
default, Octave (really, it's configure script) doesn't search for
libblas.so.3.  It justs searches for and links with -lblas.  But when the link
step happens, it is linked with a specific version.  The version is allowed to
change, provided that the new version is compatible with the old.  If not,
then the dynamic linker will reject the new library and you won't be able to
run Octave unless you install an appropriate version or rebuild/relink Octave
so that it uses the newer library.

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