[cfe-dev] ARM contributing to libc++ & libc++abi

Arnaud A. de Grandmaison arnaud.degrandmaison at arm.com
Tue Dec 2 14:34:03 PST 2014


 

 

From: metafoo at gmail.com [mailto:metafoo at gmail.com] On Behalf Of Richard Smith
Sent: 02 December 2014 22:05
To: Arnaud De Grandmaison
Cc: cfe-dev Developers; Marshall Clow
Subject: Re: [cfe-dev] ARM contributing to libc++ & libc++abi

 

On Mon, Dec 1, 2014 at 5:30 AM, Arnaud A. de Grandmaison <arnaud.degrandmaison at arm.com> wrote:

We (ARM) intend to contribute to libc++ and libc++abi.

 

However, in order to do that, we would first need to add a ‘NOTICE.TXT’ file at the root of each of these projects which would contain:

 

===================

Patent agreement notice to LLVM users in accordance with Paragraph 2 of LLVM

Developer Policy, Patents subsection:

 

Presently, ARM is unaware of any patents that would read on its LLVM

contributions. Nonetheless, to avoid doubt with respect to patent rights,

ARM hereby grants recipients of the software distributed by LLVM a perpetual,

worldwide, non-exclusive, no-charge, royalty-free, irrevocable patent license

to make, have made, use, offer to sell, sell, import, and otherwise transfer

software distributed by LLVM, where such license applies only to those patent

claims licensable by ARM that are necessarily infringed by ARM's contributions.

This patent license applies in addition to the University of Illinois/NCSA Open

Source License.

 

Please direct all inquiries regarding this agreement to:

  General Counsel, ARM Ltd.,110 Fulbourn Rd., Cambridge, CB1 9NJ, GB UK

===================

 

This does not change any licensing terms; it essentially helps limit any patent claims on ARM that may arise from our contributions, just to those which may be explicitly infringed by ARM’s contributions.

 

Do you think this proposal is acceptable ?

 

This does not seem like a question that cfe-dev is qualified to answer; according to http://llvm.org/docs/DeveloperPolicy.html#patents the right place to direct your email appears to be llvm-oversight at cs.uiuc.edu.

 

 

Fair enough. By the way, this should probably be an email address at the foundation nowadays.

 

Given that we are already discussing with the foundation to put a CLA in place, they are probably the right people to have a final word on this intermediate step.

 

Best regards,

Arnaud
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