26/06/2023 18:22, Stephen Hemminger:
> On Mon, 26 Jun 2023 09:16:32 +0200
> Thomas Monjalon <tho...@monjalon.net> wrote:
> 
> > 25/06/2023 22:57, Stephen Hemminger:
> > > On Wed, 21 Jun 2023 21:03:00 +0530
> > > Jerin Jacob <jerinjac...@gmail.com> wrote:
> > >   
> > > > On Wed, Jun 21, 2023 at 7:36 PM Thomas Monjalon <tho...@monjalon.net> 
> > > > wrote:  
> > > > >
> > > > > Nobody knows how to build the feature.
> > > > > When the dependency "rxp_compiler" is found,
> > > > > the header file is not available:
> > > > >
> > > > > drivers/regex/cn9k/cn9k_regexdev_compiler.c:12:10: fatal error:
> > > > >         rxp-compiler.h: No such file or directory
> > > > >
> > > > > It seems that it depends on a proprietay library.    
> > > > 
> > > > Yes. it depended on proprietary library owned by NVIDIA now. Not sure
> > > > Marvell has rights to publish it "freely available".
> > > > In order to avoid forking this library, better option to make this
> > > > library as public. Also, it looks like the library itself won't have
> > > > proper installation procedures that is the
> > > > reason for conflict as documented here in
> > > > https://bugs.dpdk.org/show_bug.cgi?id=1232.  
> > > 
> > > Interesting. Then what about the GPU support which currently requires
> > > proprietary NVIDIA CUDA library  
> > 
> > CUDA can be downloaded.
> > It is even packaged in many Linux distributions.
> 
> Thanks for the clarification.
> So the real issue is not that it needs a proprietary library but it is
> that the library is not available without special license.

No you don't get it.
The problem is that the dependency must be downloadable on Internet.
CUDA is downloadable.
The dependency for Marvell regex is not available on Internet.

> CUDA does require accepting a free license which may be a problem for some 
> people who have
> lawyers who read the fine print.
> 
> The policy about dependencies should be made more explicit in the 
> documentation.

It could be detailed in the contributing guide.


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