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Author Topic: New CC-by-sa 3.0 compaible with GPL?  (Read 11985 times)
Ferk
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« on: February 25, 2007, 04:46:11 AM »
BY-SA  Compatibility Structure Now Included
http://creativecommons.org/weblog/entry/7249

"The CC BY-SA 3.0 licenses will now include the ability for derivatives to be relicensed under a Creative Commons Compatible License, which will be listed here. This structure realizes CCs long-held objective of ensuring that there are no legal barriers to people being able to remix creativity in the way that flexible licenses are intended to enable"


It's not yet stated whether the GPL would be one of those CC compatible licenses or not.. however, there are high chances for this to happen, as I'm sure that it was one of the objetives in making  CC 3.0
What do you think about it?
« Last Edit: February 25, 2007, 04:51:09 AM by Ferk » Logged
sorry for my english
dmn_clown
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« Reply #1 on: February 25, 2007, 10:03:44 AM »
[edit]

found the legal text of the Generic license http://creativecommons.org/licenses/by-sa/3.0/legalcode (Not linked on their license page, had to type it manually) and there are no licenses listed as compatible.

Quote
You may not impose any effective technological measures on the Work that restrict the ability of a recipient of the Work from You to exercise the rights granted to that recipient under the terms of the License.

That is incompatible with the GNU GPLv2 which has no such clause (See TiVo's modifications of the Linux kernel).  So in answer to your question, probably not. 

Now if the BSD license (Without the advertising clause) is found to be compatible, possibly.
« Last Edit: February 25, 2007, 11:06:20 AM by dmn_clown » Logged
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« Reply #2 on: February 25, 2007, 11:31:34 AM »
Well, that's why there's the "Modified BSD" license.
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« Reply #3 on: February 25, 2007, 12:52:13 PM »
As mentioned on http://www.gnu.org/licenses/license-list.html#SoftwareLicenses there are many licensed that are only compatible with the GPl because of a conversion clause. If the CC-by-sa gets such a conversion clause and the GPL is in it. There will be no problem.

The biggest problem weak-copyleft licenses such as the GPL and CC-by-sa is that they are (almost by definition) incompatible with each other (and sometimes even them self).
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dmn_clown
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« Reply #4 on: February 25, 2007, 12:58:49 PM »
Except the GPL isn't "weak" copyleft (Just to clarify).

Anyway, it all depends.  We should take it on a case by case basis if it is found to be compatible with a license that we can use.
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sago007
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« Reply #5 on: February 25, 2007, 02:09:52 PM »
Quote from: dmn_clown on February 25, 2007, 12:58:49 PM
Except the GPL isn't "weak" copyleft (Just to clarify).
Ok, they are both non-copyleft licenses but that still makes them incompatible as it is an even higher requirement.
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