<p>Ditto, GPL is completely incompatible with the (non-fsf) open licenses of things I use. LGPL would work, but with the GPL I would never be able to use PropEr.</p>
<div class="gmail_quote">On Jun 14, 2011 8:13 AM, "James Churchman" <<a href="mailto:jameschurchman@gmail.com">jameschurchman@gmail.com</a>> wrote:<br type="attribution">> Could the lgpl not be chosen instead? Would this not allow the tests to be distributed along as they don't ship a custom version of propEr as somebody else states?<br>
> Also is it really the case that the tests could not be distributed, or more a case that it is totally fine to distribute the tests along as the person receiving the tests downloads proper themselves? the code that is not tests would still run fine.<br>
> <br>> Also what was the original reasoning behind choosing the gpl in this case? <br>> <br>> Regards<br>> <br>> James<br>> <br>> <br>> also +1 to try to convince Kostis to release PropEr with a better license!<br>
> <br>> On 14 Jun 2011, at 13:33, Eric Merritt wrote:<br>> <br>>> I talked with Kostis about this at the erlang factory. He said he is going to provide the exception to the gpl for open source projects. I think he just has not had time to do the actual work.<br>
>> <br>>> On Jun 14, 2011 7:26 AM, "Richard Carlsson" <<a href="mailto:carlsson.richard@gmail.com">carlsson.richard@gmail.com</a>> wrote:<br>>> > On 06/14/2011 02:02 PM, Ulf Wiger wrote:<br>
>> >> On 14 Jun 2011, at 01:09, Vik Olliver wrote:<br>>> >>> On 14/06/11 11:01, Francis Joanis wrote:<br>>> >>>> I have a question about the GPL licensing of the tool itself:<br>
>> >>>> since it is GPL, doesn't it require to make the written tests<br>>> >>>> themselves and to some extent the application under test GPL as<br>>> >>>> well?<br>
>> >>><br>>> >>> Only if you distribute the tests. If you keep them to yourself,<br>>> >>> you don't owe anyone anything. The GPL respects privacy.<br>>> >><br>
>> >> This could become an obstacle to adoption similar to what's been seen<br>>> >> with Quviq QuickCheck: people who have Open Source projects need to<br>>> >> publish (=distribute) test suites as well. Just as it's not very<br>
>> >> helpful to distribute test suites that require an expensive tool,<br>>> >> people might be reluctant to publish PropEr-based tests if it<br>>> >> requires them to convert to GPL.<br>
>> >><br>>> >> Kostis did say that they would make an exception for OSS projects. I<br>>> >> could not find any such exception when quickly scanning the repos.<br>>> >><br>>> >> BR, Ulf W<br>
>> > <br>>> > As I have remarked before on this list, I believe the normal GPL (all <br>>> > versions) cannot be used for Erlang modules, because the dynamic loading <br>>> > and linking of classes/modules at runtime is not considered to be any <br>
>> > different from static linking - at least according to the FSF.<br>>> > <br>>> > The standard Erlang library modules and the runtime system BIFs are <br>>> > published under the Erlang Public License, which is an even more <br>
>> > restrictive variant of MPL. The MPL is not compatible with GPL <br>>> > (<a href="http://en.wikipedia.org/wiki/Mozilla_Public_License#Compatibility_with_GPL">http://en.wikipedia.org/wiki/Mozilla_Public_License#Compatibility_with_GPL</a>), <br>
>> > due to some of its restrictions, so it should follow that the EPL is <br>>> > also not compatible.<br>>> > <br>>> > If you want to enforce copyleft in your code, but not force it on other <br>
>> > libraries that link with your code, you can use LGPL instead of GPL. <br>>> > (Preferably, use v3, which is compatible with Apache License 2.)<br>>> > <br>>> > <a href="http://www.gnu.org/licenses/lgpl-java.html">http://www.gnu.org/licenses/lgpl-java.html</a><br>
>> > <br>>> > /Richard (not a lawyer)<br>>> > _______________________________________________<br>>> > erlang-questions mailing list<br>>> > <a href="mailto:erlang-questions@erlang.org">erlang-questions@erlang.org</a><br>
>> > <a href="http://erlang.org/mailman/listinfo/erlang-questions">http://erlang.org/mailman/listinfo/erlang-questions</a><br>>> _______________________________________________<br>>> erlang-questions mailing list<br>
>> <a href="mailto:erlang-questions@erlang.org">erlang-questions@erlang.org</a><br>>> <a href="http://erlang.org/mailman/listinfo/erlang-questions">http://erlang.org/mailman/listinfo/erlang-questions</a><br>> <br>
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