On 03/11/12 11:44, Scott R. Looney wrote:
thanks for that excellent information Simon! very descriptive.
i am partially wondering about this myself because there are a few
developers out there using PD/libpd as a sound engine for games, and one
obstacle encountered is that it is not possible to use pd-extended under
libpd because of the issues copyleft/GPL presents when creating iOS apps. i
am personally in favor of open source/copyleft myself, but it is a
significant issue. i for one would love to see the cyclone library (both
audio and data objects) ported under a different license - is this just a
matter of recompiling from source independently, or should i get permission
from the maintainer (i think it's HC, right?) to do so?
If NONE of the original source you use is copyleft (and you do everything else
yourself) it would be fine, though talking to the current maintainer is very
appropriate and may save you wasting time ... you would need to check the
licensing carefully, and a build system is already set up so it would be easy
enough for them if they were willing to allow their own contributions to be
distributed without a copyleft license.
Debian policy is quite strict about redistributing the original source code with
the original licenses intact and properly documented and since that is where it
is maintained that information should all be there in pd-cyclone.deb, with the
sources and Debian patches all in the Debian source repositories. The Debian
maintainer has done all that work for you. If it is currently described as GPL
then the sources are probably copyleft licensed and hence incompatible with the
App Store.
Simon
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