[Libclc-dev] New license landing 2019-01-18 (end of next week!)
Chandler Carruth via Libclc-dev
libclc-dev at lists.llvm.org
Sat Jan 12 02:59:09 PST 2019
- We will put the new LLVM license and developer policy in place for all
subsequent commits next Friday (2019-01-18).
- Commit access will be stopped while this is done (starting 3pm PST,
hopefully under 3 hours).
- We will restore commit access for everyone covered by relevant corporate
and/or individual agreements.
- Others will need to take some steps to restore commit access (see below
- When committing patches contributed to the list by non-committers, ensure
they're aware of the new license.
- We are continuing to collect agreements for historical contributions,
working to full coverage.
If you haven’t yet, please go through the form:
It’s been a long time coming, but we’re in a good position to put the new
license structure in place. This will cover all subsequent contributions to
LLVM projects. Once we complete collecting agreements for historical
contributions (this will take quite some time!), we will be able to remove
the old license. This follows the plan outlined and discussed on the lists:
We plan to install the new developer policy on Friday (2019-01-18). We will
disable all commit access while we install this, update all the relevant
license files, and update the headers of all files across the project. We
expect to turn off commit access at 3pm PST, and will restore everything
ASAP. We will send emails to the list an hour before this begins, when it
begins, and when everything is restored.
Once this is complete, we will start re-enabling commit access. We will
automatically enable commit access for all committers who match either of
1) Signed the individual agreement *and* any relevant employer signed a
2) Commits using an email address ending in one of the domains we can
trivially match with an employer that has signed a corporate agreement
covering all such employees.
We have emailed everyone who has committed in the last six months and isn't
covered by one of the above. These emails cover both individual agreements
and any missing corporate agreement. We are working on emailing everyone
who has committed in the last two years before the cut-over. If you haven't
gotten any recent emails about this, you're probably fine. We don't have a
better way of testing whether you're impacted (if we did, we'd use it to
send you a pro-active email).
## Re-enabling commit access
If your commit access isn't automatically re-enabled, you will have to take
some action. There are several cases here:
a) If you haven't filled out the form (you can do this without signing
anything!), please do that first: https://goo.gl/forms/X4HiyYRcRHOnTSvC3
b) If you signed the individual agreement, but not all companies you listed
in the form are covered, but your current employer is covered, just ask
license-questions at llvm.org and let us know who your current employer is and
we will re-enable.
c) If your commits are 100% owned by a company (or companies) despite your
use of a personal email address (or an email we don't recognize for a
company) and you can't sign the individual agreement, please write an email
to license-questions at llvm.org explicitly stating your name, the relevant
company, and that they own your contributions. As soon as we have this in
our archive and confirm the company is covered, we will re-enable commit
access. We'll follow up regarding historical contributions later. However,
I want to repeat that this case is challenging for historical contributions
and signing the individual agreement is often much simpler and more
cost-effective for the LLVM project.
d) If your current employer hasn't yet signed the agreement, please send
email to license-questions at llvm.org clearly stating that both you and your
current employer are aware of the new license and that all subsequent
contributions will be under this license, and we'll try to re-enable
access. However, getting agreement only for subsequent contributions may be
just as much work as getting the full corporate agreement, so if possible
please simply work with your employer as outlined here:
e) If you believe all relevant agreements are signed and your commit access
should have been re-enabled but we made an error, just send email to
license-questions at llvm.org and we will try and fix everything.
We are doing everything we can before the cut-over on Friday to minimize
how many contributors will be impacted by one of these cases. And we will
have folks working hard to respond rapidly to any further issues.
## Non-committer contributions
For non-committer contributions such as patches on lists, bugzilla, or
tools like phabricator, we want to make sure the author is aware of the new
license and intending their contribution to be under it before committing
The easiest case is if the patch's baseline is after the cut-over. This can
be spotted by checking the file headers.
Otherwise, if you are committing a patch for someone else, please ask them
to explicitly acknowledge that it is under the new license. An easy way to
do this is by just asking them to rebase the patch.
This is only needed for the first few weeks after the new license and
policy is introduced to avoid confusion for contributors unaware of the
change. The new license is self executing and won't require any special
steps to accept contributions once in place.
## New file header
We will be using the file header described here:
//===-- file/name - File description ----------------------------*- C++
// Part of the LLVM Project, under the Apache License v2.0 with LLVM
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
All code in the project will be made available by the LLVM project under
the new license, so you will see that the license headers include that
license only. Some contributors have contributed code under the old
license, and accordingly, we will retain a copy of the old license notice
in the top-level files.
## Finishing the relicensing
While this is a very big, and very important step, it isn't the end. =]
While contributions going forward are under the new license, we will
continue to work through the history of contributions to the project in
order to get full coverage of the entire project. Once we finish, we will
remove the old license.
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