Bug#922931: intel-mkl does not set alternatives for non-multiarch blas/lapack in Stretch

[ciel]

Mo-san,

I met this matter personally and was able to fix it quickly in
https://salsa.debian.org/cielavenir/intel-mkl/-/tree/stretch-bpo .

1. Extract http://deb.debian.org/debian/pool/non-free/i/intel-mkl/intel-mkl_2019.1.144.orig.tar.gz
2. Put https://salsa.debian.org/cielavenir/intel-mkl/-/tree/stretch-bpo/debian
to the same directory as install.sh
3. Run debuild -uc -us

Sincerely, ciel.