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From Hadley Wickham <h.wick...@gmail.com>
Subject Re: R arrow dependency on Rcpp?
Date Thu, 03 Aug 2017 21:39:49 GMT
On Thu, Aug 3, 2017 at 8:15 AM, Wes McKinney <wesmckinn@gmail.com> wrote:
> I can open a ticket to get a definitive answer to these questions.
>
> From http://www.apache.org/legal/resolved.html#platform and the
> subsequent questions there, I view the R language and build tools like
> Rcpp as part of the "R platform", which is, for the most part, all
> GPL. SparkR depends on R, but only has testthat (MIT) as a dependency
> beyond the R runtime. I think it is challenging to build high quality
> software for the R platform relying only on the main R runtime and the
> limited third party components which happens to be released under
> non-CategoryX licenses.

Some legal advice is probably needed, but do also see this statement
from the R Foundation about package licenses:
https://stat.ethz.ch/pipermail/r-devel/2009-May/053248.html

In general, the R community has taken the opinion that it is ok to
license code that links to R with non-GPL (but GPL-compatible)
licenses. You can distribute the package code according to its
license, but whenever you bundle it with R (i.e. to actually use it)
the GPL will apply to the whole conglomerate.

So including an R arrow package would be fine according to the general
standards of the R community. The Apache legal counsel may of course
disagree.

Hadley

-- 
http://hadley.nz

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