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Re: Use of GPL'd code with proprietary programs

From: Barak Zalstein
Subject: Re: Use of GPL'd code with proprietary programs
Date: Tue, 06 Jul 2004 23:45:21 -0400
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040413 Debian/1.6-5

Alexander Terekhov wrote:
The CPL is fully "compatible" with the GPL. You can link them together as much as you want.

Oh, I must have been looking in the wrong place for approval.
Common Public License Version 1.0
    This is a free software license but it is incompatible with the GPL.

The Common Public License is incompatible with the GPL because it has various specific requirements that are not in the GPL.

For example, it requires certain patent licenses be given that the GPL does not require. (We don't think those patent license requirements are inherently a bad idea, but nonetheless they are incompatible with the GNU GPL.)


12 Does the CPL allow me to take the Source Code for a Program licensed under it and include all or part of it in another program licensed under the GNU General Public License (GPL), Berkeley Software Distribution (BSD) license or other Open Source license? No. Only the owner of software can decide whether and how to license it to others. Contributors to a Program licensed under the CPL understand that source code for the Program will be made available under the terms of the CPL. Unless you are the owner of the software or have received permission from the owner, you are not authorized to apply the terms of another license to the Program by including it in a program licensed under another Open Source license. By the way, the same answer applies if you want to include source code licensed under another Open Source license in a program licensed under the CPL.

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