[R-SIG-Mac] vecLib-based BLAS not working with R 4.5.0

[Ulrich KELLER]

Thanks a lot. Installing OpenBLAS through Homebrew and symlinking it worked fine (to my surprise) and it's almost as fast as vecLib.

> On 15 Apr 2025, at 13:49, Prof Brian Ripley <ripleybd using icloud.com> wrote:
> 
> This is covered in NEWS (and in detail in the R-admin manual).  See in
> particular the NEWS section 'BLAS and LAPACK:'.
> 
> It seems no one who cares about this tested the nightly builds (and I
> believe using OpenBLAS, which is complete and is documented, is to be
> preferred).  Ideally Dr Urbanek would add the missing routines to
> libRblas.vecLib.dylib: he does not publicise how he builds that.  Or R
> could be built with --with-2025blas.
> 
> --
> Brian D. Ripley,                  ripley using stats.ox.ac.uk
> Emeritus Professor of Applied Statistics, University of Oxford