Re: [Freemind-developer] GPL 3+

[Christian F. (GMX) <chr...@gm...>]

 Dear all,

recently, I removed commons-lang from FreeMind as it was only used in a
single file and this usage wasn't difficult to replace.

HTH, Chris

Am 04.12.10 14:06, schrieb Eric Lavarde:
> Hi,
>
> on the remark from Dimitry that going from GPLv2 to GPLv3 in order to
> avoid incompatibility with Apache 2.0, we create an incompatibility
> with GPLv2 is a very good remark, which I didn't think about.
>
> See http://www.gnu.org/licenses/rms-why-gplv3.html
>
> Anyway, I've decided to ask the question and then we'll know...
>
> Eric
>
> On 03/12/10 13:16, Dan Polansky wrote:
>> Hello Dimitry,
>>
>> regarding the use of Apache Commons Lang
>> (http://commons.apache.org/lang/, licensed under Apache 2.0) in
>> FreeMind core: I did not realize this was the case. On one hand, that
>> is not so nice: it means that even a minimal distribution of FreeMind
>> has to make use of GPL V3 present in GPL V2+. OTOH, licensing FreeMind
>> core under GPL V2+ has still the advantage that anyone can take a
>> method or a class from the core and use it in a program licensed under
>> GPL V2, perhaps in a modified form.
>>
>> Be it as it may, even the use of Apache Commons Lang in FreeMind core
>> creates no licensing incompatibility as far as I can see, because of
>> the presence of GPL V3 within GPL V2+.
>>
>> The migration from GPL V2+ to GPL V3+ would really be just dropping
>> the "GPL V2" term from the open-ended sum "GPL V2 + GPL V3 + GPL V4 +
>> ...", making it harder to take new changes to the code over to
>> programs that are licensed only under GPL V2. What has been already
>> released under GPL V2+ remains so; there is no way one can retract a
>> license that one has already granted, as far as I know.
>>
>> On a related note, if you decide to integrate a GPL V3 component into
>> Freeplane, be aware that you thereby constrain the resulting
>> combination from GPL V3+ to GPL V3 without the plus, given the
>> assumption that dynamic linking is permeable to GPL requirements. This
>> assumption seems to be the position of FSF, but it is ultimately up to
>> the courts to accept or reject the assuption.
>>
>> Best regards,
>> Dan
>>
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