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External contributions to CVC4 may be proposed using git's standard pull request mechanism. The following terms apply to all such contributions:

  • We require all pull requests to be squashed into a single commit before being submitted and to be signed using git commit -s.

  • CVC4 is distributed under the terms of the modified BSD license (see COPYING file). By submitting a signed contribution, you automatically agree to accept the conditions described in COPYING.

  • By submitting a signed contribution, you additionally automatically agree that the Developer Certificate of Origin shown below applies to your contribution.

Developer Certificate of Origin
Version 1.1

Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
1 Letterman Drive
Suite D4700
San Francisco, CA, 94129

Everyone is permitted to copy and distribute verbatim copies of this
license document, but changing it is not allowed.

Developer's Certificate of Origin 1.1

By making a contribution to this project, I certify that:

(a) The contribution was created in whole or in part by me and I
    have the right to submit it under the open source license
    indicated in the file; or

(b) The contribution is based upon previous work that, to the best
    of my knowledge, is covered under an appropriate open source
    license and I have the right under that license to submit that
    work with modifications, whether created in whole or in part
    by me, under the same open source license (unless I am
    permitted to submit under a different license), as indicated
    in the file; or

(c) The contribution was provided directly to me by some other
    person who certified (a), (b) or (c) and I have not modified

(d) I understand and agree that this project and the contribution
    are public and that a record of the contribution (including all
    personal information I submit with it, including my sign-off) is
    maintained indefinitely and may be redistributed consistent with
    this project or the open source license(s) involved.

If you are interested in becoming a long-term contributor to the CVC4 project, please contact one of the project leaders.
We'd be happy to point you to some internal documentation to help you out.

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