[Users] Einstein Toolkit Meeting Reminder

[Erik Schnetter]

For Cactus, it is very important that the licence is not standard GPL, as
this would make it impossible to use standard Cactus thorns with arbitrary
other licences. Cactus needs to be open, and the GPL places too tight a
restriction on codes that use Cactus. Of course, this hold only for the
standard Cactus thorns (the thorns in arrangements with names starting with
"Cactus"); any thorns developed by others can of course be released (or
not) under any licence they choose.

The original formulation of the Cactus thorns' licence was somewhat
misleading; I believe it used the standard GPL text, and then added a
clause that using such a thorn in an application was also allowed. We later
noticed that this is essentially the content of the LGPL, and thus changed
all Cactus thorns to be released under the LGPL. This policy still stands.
If we missed the licence text in a thorn, it should be corrected. If a new
thorn was added with GPL as licence, then this needs to be discussed, and
either the licence changed or the thorn be moved to an auxiliary
arrangement (i.e. not be part of standard Cactus any more).

-erik

On Tue, Sep 22, 2015 at 9:13 AM, Frank Loeffler <knarf at cct.lsu.edu> wrote:

> On Sun, Sep 20, 2015 at 11:18:44PM -0500, Frank Loeffler wrote:
> > Please consider joining the weekly Einstein Toolkit phone call
>
> Present were Barry, Eloisa, Frank, Matt, Peter, Steve, and Zach.
>
> All present agreed that all Cactus thorns should be LGPL. This issue
> came up because some thorns already in Cactus were found to contain GPL
> license texts (https://trac.einsteintoolkit.org/ticket/1803#comment:7).
> However, because of the lack of 'critical mass' on the call, this is
> open for debate. If there will be none, this issue is assumed to be
> dealt with.
>
> Zach reiterated his request for code review of the compatibility layer
> thorns. All are encouraged to do so, and Frank volunteered.
>
> Frank
>
>
>
> _______________________________________________
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> Users at einsteintoolkit.org
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>


-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/
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