Re: SuperLU-mt
Drew Parsons <dparsons@debian.org> 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.
Reply to: