[erlang-questions] A PropEr announcement
Tue Jun 14 14:33:47 CEST 2011
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.
On Jun 14, 2011 7:26 AM, "Richard Carlsson" <carlsson.richard@REDACTED>
> On 06/14/2011 02:02 PM, Ulf Wiger wrote:
>> On 14 Jun 2011, at 01:09, Vik Olliver wrote:
>>> On 14/06/11 11:01, Francis Joanis wrote:
>>>> I have a question about the GPL licensing of the tool itself:
>>>> since it is GPL, doesn't it require to make the written tests
>>>> themselves and to some extent the application under test GPL as
>>> Only if you distribute the tests. If you keep them to yourself,
>>> you don't owe anyone anything. The GPL respects privacy.
>> This could become an obstacle to adoption similar to what's been seen
>> with Quviq QuickCheck: people who have Open Source projects need to
>> publish (=distribute) test suites as well. Just as it's not very
>> helpful to distribute test suites that require an expensive tool,
>> people might be reluctant to publish PropEr-based tests if it
>> requires them to convert to GPL.
>> Kostis did say that they would make an exception for OSS projects. I
>> could not find any such exception when quickly scanning the repos.
>> BR, Ulf W
> As I have remarked before on this list, I believe the normal GPL (all
> versions) cannot be used for Erlang modules, because the dynamic loading
> and linking of classes/modules at runtime is not considered to be any
> different from static linking - at least according to the FSF.
> The standard Erlang library modules and the runtime system BIFs are
> published under the Erlang Public License, which is an even more
> restrictive variant of MPL. The MPL is not compatible with GPL
> due to some of its restrictions, so it should follow that the EPL is
> also not compatible.
> If you want to enforce copyleft in your code, but not force it on other
> libraries that link with your code, you can use LGPL instead of GPL.
> (Preferably, use v3, which is compatible with Apache License 2.)
> /Richard (not a lawyer)
> erlang-questions mailing list
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