[PD] expr alternative

Hans-Christoph Steiner hans at at.or.at
Tue Oct 25 19:29:57 CEST 2011

On Oct 25, 2011, at 1:26 PM, Max wrote:

> Am 25.10.2011 um 19:10 schrieb Hans-Christoph Steiner:
>> On Oct 25, 2011, at 10:15 AM, Mathieu Bouchard wrote:
>>> Le 2011-10-25 à 12:19:00, Max a écrit :
>>>> So what is the situation now that expr could be LGPL instead of  
>>>> GPL? What does that mean for things like the Apple App Store?
>>> In the end I'm not sure anymore that LGPL would be fine, even  
>>> though it does look like Apple ships with LGPL libs. (Though it's  
>>> not impossible they might have rewritten them just to avoid the  
>>> license...).
>>> There's too much contradiction between comments about it on the  
>>> web, so, to sort out the subtleties, it would be best to ask the  
>>> FSF about it.
>>> Well, you could ask Apple too. But I bet that the FSF will give  
>>> more attention to your question.
>> The problems are with software that ships from the Apple App Store,  
>> due to the way that is managed and the Terms of Service. It is the  
>> management and terms of service of the App Store that conflict with  
>> the GPL/LGPL.  Apple ships lots of GPL and LGPL software as part of  
>> Mac OS X and iOS, but that does not touch the Apple App Store, so  
>> they can be in complete compliance.
>> So Max, if you are interested in the Apple App Store, I think it is  
>> incompatible with all FSF licenses, and perhaps all copyleft  
>> licenses.  The short term answer is to ship your iOS apps outside  
>> of the App Store, and the real fix is to get Apple to make their  
>> App Store compatible with copyleft licenses.
> The question was asked by the author of expr - maybe I must re- 
> phrase: Now that IRCAM is okay with changing their license of parts  
> of expr from GPL to LGPL would that solve the issue of expr beeing  
> used in the BSD vanilla in applications like for instance RJDJ in  
> the Apple App store? (Or respectively any other use scenario where  
> the choice of license imposes restrictions) If the answer is yes,  
> then Shahrokh can go ahead and change the licence, fixed. If the  
> answer is no, then a rewrite of expr to be fully BSD is probably the  
> only solution to solve this.

The Apple App Store is incompatible with the GPL and LGPL, from what I  
understand.  Getting Apple to make their App Store compatible with the  
GPL and LGPL is another much better solution since it will work for  
all GPL and LGPL software.



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