On Fri, May 18, 2018 at 11:49:05PM +0800, Drew Parsons wrote: > > I wonder if the simplest solution is to just have > intel-mkl Depends: libblas. i.e. use policy to simply prevent a sole > mkl installation. > > That way, the mkl alternative will always have a free BLAS to press > it's preference against.
That's exactly a part of the present implementation. It depends on libblas3 | libblas.so.3, and enhances libblas.so.3, but never provides libblas.so.3 . Similar for lapack.
