If it is optional at compile-time, then a header file is very allowable. As long as MXNet can be compiled without ZeroMQ on the box, then I see no issue at all.
On Thu, Jul 6, 2017 at 3:51 PM, Felix Cheung <felixche...@apache.org> wrote: > Isn't the release binaries going to contain bits from zeromq because of > #include<zeromq.h> though? > > That header file is still going to be LGPL 3.0 licensed right? > > > On Thu, Jul 6, 2017 at 12:45 PM John D. Ament <johndam...@apache.org> > wrote: > > > Mu, > > > > So what happens when ZeroMQ is not available, do you fall back to > something > > else? > > > > I'm inclined to say that this is allowable, knowing that its an optional > > dynamically linked dependency that has an alternative. Assuming it has > an > > alternative. > > > > I would strongly encourage podlings to try to leverage what the ASF > > provides, we ship a number of messaging systems that may be better from a > > licensing stand point - ActiveMQ, RocketMQ, Pulsar. > > > > John > > > > On Thu, Jul 6, 2017 at 3:27 PM Mu Li <muli....@gmail.com> wrote: > > > > > MXNet's backend is written in C++, which is not able to use the > > > java interface. > > > > > > On Thu, Jul 6, 2017 at 12:25 PM, Luciano Resende <luckbr1...@gmail.com > > > > > wrote: > > > > > > > Are you guys able to use this (which is what we use in Apache Toree)? > > > > > > > > https://github.com/zeromq/jeromq > > > > > > > > Which has been successfully relicensed? > > > > https://github.com/zeromq/jeromq/blob/master/LICENSE > > > > > > > > > > > > On Wed, Jul 5, 2017 at 11:23 PM, Henri Yandell <bay...@apache.org> > > > wrote: > > > > > > > > > One of the items that is on the list to do before releasing Apache > > > MXNet > > > > is > > > > > removing ZeroMQ from the codebase/dependencies. > > > > > > > > > > ZeroMQ is licensed under the LGPL 3.0 with an exception for static > > > > > compiling. > > > > > > > > > > They have long been interested in relicensing to MPL 2.0, but > haven't > > > > made > > > > > much progress, though they did relicense JeroMQ (Java > > > > > wrapper/implementaiton) last year. > > > > > > > > > > In the last few months they've made a lot of progress towards > > > > relicensing: > > > > > https://github.com/zeromq/libzmq/tree/master/RELICENSE > > > > > > > > > > I'd like to ask on legal-discuss@ for an exception (one year?) to > > > > continue > > > > > using ZeroMQ, with prominent documentation, in MXNet given the > trend > > > > > towards MPL 2.0. > > > > > > > > > > Any concerns before I do so? > > > > > > > > > > Thanks, > > > > > > > > > > Hen > > > > > > > > > > > > > > > > > > > > > -- > > > > Luciano Resende > > > > http://twitter.com/lresende1975 > > > > http://lresende.blogspot.com/ > > > > > > > > > >