[onphonenow]

Um, that's the SFC version of GPLv2 intent. The actual folks using GPLv2 have a different view. This actually illustrates the issue that is going on with their attempt to claim GPL is not a copyright license (it has always been considered to be a copyright license) and their desire to change the intent. When you start having to twist and turn words and ideas this way you are in lawyer lala land.

"I give you source code, you give me your changes back; we’re even. … That’s my take on GPL version 2 and it’s that simple. … Version 3 extended that in ways that I personally am really uncomfortable with. Namely I give you source code, that means if you use that source code, you can’t use it on your device unless you follow my rules. And to me that’s a violation of everything version 2 stood for. And I understand why the FSF did it, because I know what the FSF wants, but to me it’s not the same license at all. So I was very upset, and made it very clear, and this was months before version 3 was actually published."

Please stop lying about what is "clear". The actual folks using these licenses disagree.

Here is Stallman on GPLv3

"There are several primary areas where version 3 is different from version 2. One is in regard to [T]ivoisation.

...

The Tivo includes some GPL-covered software. …[Y]ou can get the source code for that, as required by the GPL … and once you get the source code, you can modify it, and there are ways to install the modified software in your Tivo and if you do that, it won't run, period. Because, it does a check sum of the software and it verifies that it's a version from them and if it's your version, it won't run at all. So this is what we are forbidding, with the text we have written for GPL version three. It says that the source code they must give you includes whatever signature keys, or codes that are necessary to make your modified version run."

Who is Stallman you ask? The key guy behind GPLv2 (not the SFC BTW).

[pabs3]

Nothing in GPLv2 requires giving changes back, only giving changes forward to the downstream users is required, not back upstream to the original developers. Giving code to users is pretty pointless if they can't install and run it, which is why both GPLv2 and GPLv3 require this. It is the culture of working upstream that leads to code flowing back to the original developers (obviously this is a very important thing to do, but it isn't required by the license). So I think Linus might need to write a new license to achieve what he actually wants from GPLv2. Note that any such license would discriminate against some classes of people who can't or mustn't communicate externally (those on a desert island, those in a totalitarian regime etc), so probably wouldn't be classed as "open source".

I expect that Stallman simply did not know the details of what Tivo was doing, or was worried about what they might do in the future. Their actions didn't include preventing you from running modified GPLed software (although that is a scary thing that is definitely possible and currently likely present in modern devices). They only prevented you from running their proprietary software on top of modified GPLed software. Stallman wanted to prevent that scenario with GPLv3, but the wording that finally made it into GPLv3 still allows what Tivo was doing.

https://events19.linuxfoundation.org/wp-content/uploads/2017...