[zeromq-dev] COPYING should be pulled from the source tarball

Martin Sustrik sustrik at fastmq.com
Wed Dec 10 09:34:45 CET 2008

Hi Peter,

This is a legal issue. LGPL license is designed as an appendix to GPL 
license granting some additional rights. Thus, to make it legally valid 
you need both GPL & LGPL licenses in the package.

Have a look at gnu.org for details.


Peter Lemenkov wrote:
> Hello All!
> Since 0MQ relicensed under LGPLv3+, it seems that existence of file
> with text of GPLv3 license in the source tarball (among the actual
> LGPLv3 license) may be a bit confusing to enduser (for me, as an
> example). I think that removing it from the sources is a generally
> good idea.

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