[llvm-dev] RFC: Improving license & patent issues in the LLVM community

Chris Lattner via llvm-dev llvm-dev at lists.llvm.org
Sat Oct 31 15:05:01 PDT 2015

On Oct 21, 2015, at 2:10 AM, David Chisnall <David.Chisnall at cl.cam.ac.uk> wrote:
>> Does the FreeBSD project see any value in the patent coverage provided by the Apache 2 license, or is it really a net negative?  In your opinion, would this cause the FreeBSD to look to abandon use of LLVM code, or would it just cause some amount of discomfort/unhappiness? 
> In particular, though the number of GPLv2-only projects is small, there are still a lot of GPLv2 or later projects.  I can accept GPLv2, modify them in a way that incorporates LLVM today and redistribute the result, and not at any point have accepted GPLv3.  

Hi David (and others),

There are a number concerns around the incompatibility with GPLv2.  I’m taking these seriously and will get back to you all, but it will take some time to dig into it.  Thank you for your patience, I’m not ignoring this topic.


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