Rosen also thinks GPL needs "I agree" click-through
Posted Jul 27, 2004 21:43 UTC (Tue) by piman
In reply to: Rosen also thinks GPL needs "I agree" click-through
Parent article: Choosing an open source license (NewsForge)
No, incompatibility is the function of the licenses and grants involved, not of the copyright holder. But the copyright holder can solve incompatibilities by granting more permissions.
You can write GPLd software and include OSLd software in it. You can even distribute it, assuming you hold all the copyrights. But given the licenses you've granted to other people (GPL one part, OSL another), *they* can't legally distribute it to other people, because following the terms of the OSL violates the terms of the GPL (and possible vice versa).
For it to be further distributable, you need to grant permission to violate the terms of the GPL that conflict with the OSL, or vice versa. It can be argued that your initial distribution is implicit permission, yes, but I and many others find that a legally unsafe position. Therefore, the usual way to do it is with exception clauses, like you find on GPLd software linked to OpenSSL.
RMS's opinion is irrelevant, yes; the license texts themselves are not.
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