[PD] looking for other vanilla filters or abstractions for libPD

Alexandre Torres Porres porres at gmail.com
Tue Nov 10 04:53:50 CET 2015

Had to google to see why the relation to ircam, I understand now this was
written as part of JMax, which has the GNU’s Lesser General Public License.


I wonder if anyone still uses Jmax :)

I really think Ircam shouldn't mind this at all, and it'd be great to see
this issue finally over with

again, is there anyone still using jmax?


2015-11-09 4:33 GMT-02:00 Shahrokh Yadegari <sdy at ucsd.edu>:

> I am happy to distribute expr/expr~/fexpr~ objects on BSD license. The
> original expr code that I wrote at IRCAM, was made available as GLP by
> IRCAM, and later they were kind enough to change that to LGPL. They may be
> fine with BSD as well. I will ask and find out.
> best,
> Shahrokh
> On Sat, Nov 7, 2015 at 12:08 PM, Alexandre Torres Porres <porres at gmail.com
> > wrote:
>> Shahrokh is working on a new release of the expr family of objects (0.5)
>> I'm copying him here, and I wouldn't know what his restrictions or issues
>> would be regarding the license. Maybe if properly discussed with him, we
>> could find a way to choose a license that is suitable for the libpd apps.
>> I agree that expr is essencial and such limitation would be bad for Pd
>> apps.
>> cheers
>> 2015-11-07 17:24 GMT-02:00 Scott R. Looney <scottrlooney at gmail.com>:
>>> thanks Jonathan. this is what i assumed re LGPL when i saw a discussion
>>> about using fluidsynth in a build, which has a LGPL variant but not
>>> anything more permissive. so one question would be if anyone here on the
>>> list had a paid app rejected or accepted on the App Store due to using an
>>> LGPL license? expr and expr~ are very useful for a variety of things but
>>> for now i'm not using them due to this offchance.
>>> i would further guess that FSF's exact words on LGPL were probably
>>> pretty dark on using the iTunes Store in general. i've seen some
>>> announcements from them in the past that made it clear how they feel about
>>> walled gardens.
>>> best,
>>> scott
>>> On Sat, Nov 7, 2015 at 9:18 AM, Jonathan Wilkes via Pd-list <
>>> pd-list at lists.iem.at> wrote:
>>>> > As of about 2 years ago, expr and relatives are LGPL and thus
>>>> compatible with the App Store.
>>>> I emailed the Free Software Foundation, who are the publishers of the
>>>> LGPL.  They responded
>>>> that the LGPL is not compatible with the restrictive terms of Apple's
>>>> app store.
>>>> I forgot to ask them in advance if I could publicly post their
>>>> response.  If they say I can do so, I'll post their actual response.
>>>> But it sounded pretty clear.
>>>> I suppose one could argue if it's a free app then who cares, and that
>>>> the copyright holders of expr (or even Apple) are extremely unlikely to
>>>> create a licensing fuss.    But then that's the case whether expr is GPL,
>>>> LGPL, or even "don't use this to murder people with drones" license.
>>>> If you want to write/use open source software that's compatible with
>>>> Apple's app store, use
>>>> the 3-clause BSD license.
>>>> -Jonathan
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> --
> Shahrokh Yadegari
> Professor of Composition and Sound Design,
> Theatre and Dance Department
> University of California, San Diego
> Director, Initiative for Digital Exploration of Arts and Science, (IDEAS)
> California Institute for Telecommunications and Information Technologies
> (Calit2)
> Email: sdy at ucsd.edu
> Web: http://yadegari.org
> Tel: (858) 822-4113
> Fax: (858) 534-1080
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