Someone commented the other day that he could not understand why BLAS
was in Sage when we had ATLAS. This was in response to my concern
about linbox not being able to find BLAS

http://trac.sagemath.org/sage_trac/ticket/9101

Robert Bradshaw did a list of what he considered the most important
parts of Sage, and includes BLAS in that. I have just checked and see
there is no self-test package for BLAS.

So I'm wondering if we need BLAS or not.

The BLAS package has a Makefile, but Sage does not use it. Instead it just has

=================================
sage_fortran -c -fPIC *.f

if [ $? -ne 0 ]; then
    echo "Error compiling blas."
    exit 1
fi

ar -r libblas.a *.o
ranlib libblas.a

cp libblas.a "$SAGE_LOCAL"/lib/libblas.a
==================================

So all we do is create a static library and do not test it. But even
if we use the Makefile, there is no test suite in there either.

Dave

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