[Development] Adding LGPLv3 to Qt

[Florian Weimer]

On 08/20/2014 11:30 AM, Knoll Lars wrote:
> On 20/08/14 11:16, "Florian Weimer" <fweimer at redhat.com> wrote:
>
>> On 08/20/2014 11:02 AM, Knoll Lars wrote:
>>
>>> Please have a look at
>>> http://blog.qt.digia.com/blog/2014/08/20/adding-lgpl-v3-to-qt/ for
>>> details.
>>
>> Looking at the Fedora corpus, there are quite a few programs which link
>> against Qt and which are licensed under the GPL, version 2, but not any
>> later versions.  If Qt gradually moves new components to the LGPLv3,
>> this could threaten the future evolution of these programs.
>
> This is not a problem as far as I can see for two reasons:
>
> 1. We don’t remove LGPLv2 for any of the libraries that are part of 5.3.

What I meant that future development of these programmers might be 
interesting in LGPLv3-only features.

> 2. We explicitly added GPLv2 to the new libraries to make sure open source
> projects that are using GPLv2 only do not have issues using the new
> libraries.

This is not mentioned in the blog post AFAICT.  It would address the 
concerns I have raised.

-- 
Florian Weimer / Red Hat Product Security