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From Henri Yandell <bay...@apache.org>
Subject HAWQ + m4 files (Was: OK to distribute some GPL (with special exclusion) licensed build tools?)
Date Mon, 11 Jan 2016 07:42:41 GMT
On Sun, Jan 10, 2016 at 8:37 PM, Roman Shaposhnik <roman@shaposhnik.org>
wrote:

> On Sun, Jan 10, 2016 at 8:18 PM, Justin Mclean <justin@classsoftware.com>
> wrote:
> > Hi,
> >
> > While reviewing an Singa (incubating) release. I notice it had a couple
> of GPL (with special exclusion)
> > in the source made by autoconf/automake. It seems this has been
> discussed before [1][2][3] and it’s
> > OK to distribute these files in Apache releases.
> >
> > However some of our documentation may be out of step with that - does it
> need to change?
> > - This states that special exceptions to the GPL are not allowed [2].
> Except for this special exception which is!
> > - Should the section under the build tools question mention GPL with
> this special exception as OK? [4]
> >
> > For a release contain files in this manner:
> > - Do we need to mention this in LICENSE?
> > - Do we need to distribute GPL text in COPYING as indicated in the GPL
> with exception header text?
> >
> > JFYI The text of the exclusion is:
> > # As a special exception to the GNU General Public License, if you
> > # distribute this file as part of a program that contains a
> > # configuration script generated by Autoconf, you may include it under
> > # the same distribution terms that you use for the rest of that program.
>
> And to pile on top of Justin's question, I'd like to ask whether it
> would be permissible
> for HAWQ to ship the following folder:
>     https://github.com/apache/incubator-hawq/tree/master/config
>
> To make this question even more interesting: this folder has been lifter
> pretty much verbatim from PostgreSQL release tarball. I guess it means that
> PostgreSQL community feels it is OK to have it in an otherwise PostgreSQL
> licensed release. A useful datapoint for us to consider, perhaps.
>
> Thanks,
> Roman.
>

Do you mean the autoconf generated files in there, or are you referring to
the other content? I don't see any licensing from PostgreSQL there.

By autoconf files, I mean config.guess and config.sub.

Hen

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