Drew Parsons <[email protected]> writes: > On Sun, 2018-05-20 at 16:12 -0700, Dima Kogan wrote: >> I'm working on Sundials right now, and I noticed that Debian ships >> the >> non-parallelized SuperLU (in "libsuperlu..." packages) but not the >> multi-threaded superlu-mt. Upstream: >> >> http://crd-legacy.lbl.gov/~xiaoye/SuperLU/ >> >> Does anybody know if there's some specific reason for this (funny >> licensing, for instance) or if simply nobody has needed it? The >> license >> LOOKS fine. > > > I haven't looked specifically at SuperLU-MT. I never packaged it > because my packages don't use it (or at least, don't need to use it). > > But one problem that SuperLU and SuperLU-Dist have in common is that > they both use mc64, which is explicitly non-free, "shall not pass this > code directly to a third party without the express prior consent of the > authors". As far as I can tell SuperLU has no permission to > redistribute mc64. Perhaps they did get express consent to redistribute > but that hasn't been communicated or extended to us. > > What we've had to do is remove the mc64 code (i.e. we're using dfsg > source tarballs). SuperLU carries on without it but it basically > cripples SuperLU-Dist. I'm hoping someone will notice and complain, > and either encourage Sherry to change the code in the SuperLUs, or > encourage HSL to provide a free exception to the licence for mc64.
Aha. I thought it might be something like that. Thanks.
