[TYPO3-core] RFC #9017: LICENSE.txt is not precise

[Steffen Kamper]

Dmitry Dulepov [typo3] schrieb:
> Hi!
> 
> This is SVN patch request.
> 
> Branches: 4.1, 4.2, trunk
> 
> BT reference: http://bugs.typo3.org/view.php?id=9017
> 
> Problem: LICENSE.txt does not mention that TYPO3 is released under "GPL 
> version 2 *or later*". This is extremely important because GPL version 3 
> code cannot be combined with GPL version 2 code unless "version 2 or 
> later" is declared. Our source code says "version 2 or later" but 
> LICENSE.txt does not. Since LICENSE.txt is the obvious candidate to 
> check the license, it should be precise.
> 
> Here is a quote from GPL FAQ 
> (http://www.gnu.org/licenses/gpl-faq.html#v2v3Compatibility) on the 
> version issue:
> ------------------
> Is GPLv3 compatible with GPLv2?
> 
>    No. Some of the requirements in GPLv3, such as the requirement to 
> provide Installation Information, do not exist in GPLv2. As a result, 
> the licenses are not compatible: if you tried to combine code released 
> under both these licenses, you would violate section 6 of GPLv2.
> 
>    However, if code is released under GPL “version 2 or later,” that is 
> compatible with GPLv3 because GPLv3 is one of the options it permits.
> ------------------
> 
> Solution: the attached path.
> 
> ***Note*** I want Stucki's +1 on this patch because it is important 
> enough to be authorized by core team team leader.
> 

+1 by reading and importance!

vg Steffen