Hi Bob, yes, your understanding is correct. To further give an example I'd like to quote Haozheng who added two of the files in question:
> The two files originate from > https://github.com/numpy/numpy/blob/master/numpy/core/einsumfunc.py . > I translated them from python to cpp. The original files are subject to the > the following license: https://github.com/numpy/numpy/blob/master/LICENSE.txt https://github.com/apache/incubator-mxnet/issues/17329#issuecomment-640043814 Thank you Leonard On Wed, 2020-06-10 at 07:42 -0500, Bob Paulin wrote: > Hi, > > Let me restate to make sure I understand what's being asked. > > 1) There is third party code in the project that has Major Modifications to > the original third party source. > > 2) The original third party code does not currently have two license headers > > (ex Third Party Code has MIT license only. Apache License header was added > when it was checked into MXNet repo with modifications) > > 3) You are asking if the files can remain in the MXNet repository with both > license headers. > > - Bob > > On 6/9/2020 5:07 PM, Leonard Lausen wrote: > > Hi Mentors, > > > > https://www.apache.org/legal/src-headers.html#3party states the 5 rules for > > handling third-party code included in the project [1]. In particular PPMC > > shall > > handle major modifications on a case-by-case basis. > > > > But the other rules state > > > > > 1. Do not modify or remove any copyright notices or licenses within third- > > > > party works. > > > > and > > > > > 2. Do not add the standard Apache License header to the top of third-party > > > > source files. > > > > The major modifications in question [2] are currently licensed under Apache > > License but the files originate from a third-party and there are thus two > > license headers in the files. This is in conflict with rule 2. > > > > Could you clarify if rule 2 is not a rule but only a guideline that can be > > overruled in PPMC's case-by-case decision? What's your recommendation? Ie. > > can > > we keep the 2 headers in place? > > > > Best regards > > Leonard > > > > > > [1]: > > > > > 0. The term "third-party work" refers to a work not submitted directly to > > > the > > > ASF by the copyright owner or owner's agent. This includes parts of a work > > > submitted directly to the ASF for which the submitter is not the copyright > > > owner or owner's agent. > > > 1. Do not modify or remove any copyright notices or licenses within third- > > > party works. > > > 2. Do ensure that every third-party work includes its associated license, > > > even > > > if that requires adding a copy of the license from the third-party > > > download > > > site into the distribution. > > > 3. Do not add the standard Apache License header to the top of third-party > > > source files. > > > 4. Minor modifications/additions to third-party source files should > > > typically > > > be licensed under the same terms as the rest of the rest of the third- > > > party > > > source for convenience. > > > 5. Major modifications/additions to third-party should be dealt with on a > > > case-by-case basis by the PMC. > > > > [2]: > > https://github.com/apache/incubator-mxnet/issues/17329#issuecomment-641311199 > >