On 22/06/18 13:59, Luc Bourhis wrote: >> Ok, good find. Now making netlib cblas a compulsory part of bootstrap and MKL or OpenBLAS an optional part: is that really saving work? > Actually, no, it does not work. We also need LAPACK anyway. And that’s only in FORTRAN as far as I know. Clapack is also in c.