[TYPO3] Extensions and GPL

Peter Russ peter.russ at 4many.net
Fri Sep 8 12:10:29 CEST 2006


Dmitry Dulepov schrieb:
[...]
> 
> Nope. Read GPL and GPL FAQ.
> 
> Quotes from http://www.gnu.org/licenses/gpl-faq.html:
> 
> ===============================================
> Q: If a library is released under the GPL (not the LGPL), does that mean 
> that any program which uses it has to be under the GPL?
> A: Yes, because the program as it is actually run includes the library.
> 
> Q: If a program released under the GPL uses plug-ins, what are the 
> requirements for the licenses of a plug-in.
> A: ...If the program dynamically links plug-ins, and they make function 
> calls to each other and share data structures, we believe they form a 
> single program, which must be treated as an extension of both the main 
> program and the plug-ins. This means the plug-ins must be released under 
> the GPL or a GPL-compatible free software license, and that the terms of 
> the GPL must be followed when those plug-ins are distributed.
> ===============================================
> 
> There is no way to avoid GPL when writing plugins for TYPO3.
> 

Sorry, Dimitry: this is not correct. We've had this discussion already 
several times at the different NGs. Pls check the archieves.

Regs. Peter.

-- 
Fiat lux!
Docendo discimus.
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