Thanks Sarah and Kevin for finding a solution! Excited to see the work move forward.
Ian On Tue, Mar 12, 2024 at 1:58 PM Jacob Wujciak-Jens <ja...@voltrondata.com.invalid> wrote: > > That's great news, thank you both for your efforts! > > Best, > Jacob > > On Tue, Mar 12, 2024 at 6:45 PM Sarah Gilmore > <sgilm...@mathworks.com.invalid> wrote: > > > Hi Everyone, > > > > > > > > We just wanted to close the loop on this discussion. > > > > > > > > After further discussion with our colleagues at MathWorks, we determined > > that we can license the MEX binaries and ALL other contents included within > > the MLTBX files distrusted via the ASF release infrastructure under the > > standard Apache V2 license. > > > > > > > > ASF Legal agreed [1] that this approach abides by the ASF 3rd Party > > License Policy [2]. > > > > > > > > Moving forward, Kevin and I will continue working on integrating with the > > Arrow project's release infrastructure [3] as we initially planned. > > > > > > > > We sincerely appreciate everyone's patience as we navigated these > > challenges. > > > > > > > > [1] > > https://issues.apache.org/jira/browse/LEGAL-665?focusedCommentId=17823330&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17823330 > > [2] https://www.apache.org/legal/resolved.html > > [3] https://github.com/apache/arrow/pull/38660 > > > > > > > > Best, > > > > > > > > Sarah and Kevin > > > > ________________________________ > > From: Sarah Gilmore <sgilm...@mathworks.com.INVALID> > > Sent: Friday, January 26, 2024 1:28 PM > > To: dev@arrow.apache.org <dev@arrow.apache.org> > > Cc: Kevin Gurney <kgur...@mathworks.com> > > Subject: Re: [DISCUSS][MATLAB] Proposed "Category B" License for Bundling > > MATLAB MEX Build Artifacts in Official Arrow Release > > > > Hi Ian, > > > > Thanks for the feedback! We will proceed with the ASF Legal process. Once > > we hear back from them, we'll followup on this thread to close the loop. > > > > Thanks again! > > > > Sarah and Kevin > > > > > > From: Ian Cook <ianmc...@apache.org> > > Sent: Friday, January 26, 2024 11:37 AM > > To: dev@arrow.apache.org <dev@arrow.apache.org> > > Cc: Kevin Gurney <kgur...@mathworks.com> > > Subject: Re: [DISCUSS][MATLAB] Proposed "Category B" License for Bundling > > MATLAB MEX Build Artifacts in Official Arrow Release > > > > Hi Sarah and Kevin, > > > > Thanks for your thoughtful follow-up. > > > > Based on all of this, it seems that this question will need to be > > submitted to ASF Legal for consideration. I think it is quite clear > > that this is a good-faith effort to abide by the spirit of the ASF 3rd > > Party License Policy, but the specific details will need to be > > considered by ASF Legal. > > > > > The binaries we plan to submit, and the accompanying license, > > > are similar to the use cases listed under “Handling Licenses That > > > Prevent Modification” [3] in the Category B description. While most > > > of the contents of the distributed MLTBX file would be Apache- > > > licensed, the compiled MEX functions would be dynamically linked > > > against proprietary MathWorks shared libraries, which would cause > > > inclusion of non-Apache licensed object code. > > > > Yes, I think that is the right approach to pursue with ASF Legal: > > asking them to add the license that governs the MEX functions to the > > list of approved licenses under [3]. > > > > Thanks, > > Ian > > > > > > On Fri, Jan 26, 2024 at 10:56 AM Sarah Gilmore > > <sgilm...@mathworks.com.invalid> wrote: > > > > > > Hi all, > > > > > > After consulting with some of our colleagues at MathWorks, we wanted to > > follow-up on this thread. > > > > > > Before going through the official ASF legal process, we wanted to give > > the community some insight into our thinking about why our proposed license > > may be appropriate for Category B consideration. > > > > > > Our interpretation of the ASF 3rd Party License Policy [1] was that > > Category B licenses are not limited to standard licenses, but, rather, must > > meet the Appropriately Labelled Condition and the Binary-Only Inclusion > > Condition. The proposed license [2] we shared is intended to meet these > > conditions. However, we understand that our interpretation may not be > > accurate. > > > > > > The binaries we plan to submit, and the accompanying license, are > > similar to the use cases listed under “Handling Licenses That Prevent > > Modification” [3] in the Category B description. While most of the contents > > of the distributed MLTBX file would be Apache-licensed, the compiled MEX > > functions would be dynamically linked against proprietary MathWorks shared > > libraries, which would cause inclusion of non-Apache licensed object code. > > > > > > The goal of the proposed license is to allow the MLTBX file to be used > > and distributed freely as an official ASF release artifact. Ideally, > > MathWorks would like to restrict reverse engineering and modification of > > the proprietary components and the proposed license includes a clause for > > this restriction. Since the MATLAB Interface to Arrow will likely only be > > useful to users of MathWorks products, our hope is that this restriction > > would not be an impediment to users. > > > > > > We understand this is an unusual situation and appreciate the > > community's support in helping us identify a solution. > > > > > > [1] https://www.apache.org/legal/resolved.html< > > https://www.apache.org/legal/resolved.html> > > > [2] https://github.com/apache/arrow/files/13955180/license.txt< > > https://github.com/apache/arrow/files/13955180/license.txt> > > > [3] https://www.apache.org/legal/resolved.html#no-modification< > > https://www.apache.org/legal/resolved.html#no-modification> > > > > > > Best Regards, > > > > > > Sarah and Kevin > > > > > > > > > From: Sarah Gilmore <sgilm...@mathworks.com> > > > Sent: Friday, January 19, 2024 1:58 PM > > > To: dev@arrow.apache.org <dev@arrow.apache.org> > > > Cc: Kevin Gurney <kgur...@mathworks.com> > > > Subject: Re: [DISCUSS][MATLAB] Proposed "Category B" License for > > Bundling MATLAB MEX Build Artifacts in Official Arrow Release > > > > > > Hi Roman, > > > > > > > FWIW: while these are all excellent questions for the pre-work, if > > there > > > > needs to be an ultimate statement on this -- you'll have to file a > > LEGAL > > > > JIRA. E.g.: https://issues.apache.org/jira/browse/LEGAL-506< > > https://issues.apache.org/jira/browse/LEGAL-506> > > > > > > > > (plz include all the relevant details when filing it -- whatever comes > > > > out of this thread). > > > > > > Thank you for the guidance. We suspected this may be the case and will > > be sure to include all the relevant information when we file the Jira issue. > > > > > > Best, > > > > > > Sarah and Kevin > > > > > > From: Roman Shaposhnik <r...@apache.org> > > > Sent: Friday, January 19, 2024 12:15 PM > > > To: dev@arrow.apache.org <dev@arrow.apache.org> > > > Subject: Re: [DISCUSS][MATLAB] Proposed "Category B" License for > > Bundling MATLAB MEX Build Artifacts in Official Arrow Release > > > > > > On Thu, Jan 18, 2024 at 12:24 PM Ian Cook <ianmc...@apache.org> wrote: > > > > > > > > Hi Sarah, > > > > > > > > Thanks for pursuing this. > > > > > > > > The ASF 3rd Party License Policy lists a number of standard, > > > > off-the-shelf licenses that are compatible with Category B, but the > > > > policy does not include any provision for custom-written licenses. > > > > This appears to be a custom-written license. Is that correct? > > > > > > > > Is this custom-written license based on one of the listed Category B > > > > licenses? If so, can you tell us which one? If not, can you provide > > > > some explanation of why this license should be considered to meet the > > > > criteria for Category B? > > > > > > FWIW: while these are all excellent questions for the pre-work, if there > > > needs to be an ultimate statement on this -- you'll have to file a LEGAL > > > JIRA. E.g.: https://issues.apache.org/jira/browse/LEGAL-506< > > https://issues.apache.org/jira/browse/LEGAL-506> > > > > > > (plz include all the relevant details when filing it -- whatever comes > > > out of this thread). > > > > > > Thanks, > > > Roman. > > > > > > > > > > > > > > Thank you, > > > > Ian > > > > > > > > On Wed, Jan 17, 2024 at 12:08 PM Sarah Gilmore > > > > <sgilm...@mathworks.com.invalid> wrote: > > > > > > > > > > Hi Everyone, > > > > > > > > > > Kevin Gurney and I have been working on integrating the MATLAB Arrow > > bindings with the project's release processes in this pull request [1]. > > While working on integrating with the release tooling, we realized that we > > need to ensure that the licenses of any MEX artifacts [2] bundled with the > > released MLTBX [3] file are compatible with the ASF 3rd Party License > > Policy [4]. > > > > > > > > > > After several rounds of discussion with some colleagues at > > MathWorks, we came up with a license [5] that is intended to meet the > > requirements for inclusion as a "Category B" [6] license according to the > > ASF 3rd Party License Policy. > > > > > > > > > > Our goal is to make sure we are doing the right thing here, so, as > > per Kou's suggestion [7], we wanted to share the proposed license [5] with > > the broader Arrow development community. We understand this may need > > further input from ASF Legal as well. > > > > > > > > > > Please let us know what we can do to help move this forward. We > > sincerely appreciate everyone's support as we navigate these licensing > > requirements. > > > > > > > > > > [1] https://github.com/apache/arrow/pull/38660< > > https://github.com/apache/arrow/pull/38660> > > > > > [2] https://www.mathworks.com/help/matlab/call-mex-functions.html > > > > > [3] > > https://www.mathworks.com/help/matlab/creating-help.html?s_tid=CRUX_lftnav > > > > > [4] https://www.apache.org/legal/resolved.html< > > https://www.apache.org/legal/resolved.html> > > > > > [5] https://github.com/apache/arrow/files/13955180/license.txt< > > https://github.com/apache/arrow/files/13955180/license.txt> > > > > > [6] https://www.apache.org/legal/resolved.html#category-b< > > https://www.apache.org/legal/resolved.html#category-b> > > > > > [7] > > https://github.com/apache/arrow/pull/38660#discussion_r1454804607< > > https://github.com/apache/arrow/pull/38660#discussion_r1454804607> > > > > > > > > > > Best, > > > > > > > > > > Sarah Gilmore > > > > > > >
