Julien Vermillard wrote:
Look like our serial lib license issue are going to be solved.
RXTX guys are thinking about moving from LGPL a double license
(LGPL/ASL).
That's not possible. These licenses are not compatible. Someone should
talk/help these guys out.
You might want to recommend they ask [EMAIL PROTECTED] about it for advice.
Regards,
Alex
Julien
------------------------------------------------------------------------
Subject:
[Rxtx] Proposal 3.0; Apache and LGPL license for the RXSL
From:
"Dr. Douglas Lyon" <[EMAIL PROTECTED]>
Date:
Thu, 03 Aug 2006 05:45:56 -0400
To:
[EMAIL PROTECTED], [EMAIL PROTECTED]
To:
[EMAIL PROTECTED], [EMAIL PROTECTED]
Hi All,
I have been waiting a day for things to cool down.
Licensing appears to be a hot-button topic.
I have no objection to dual license the interfaces as both
Apache and LGPL.
Some thoughts:
Goal: developers wish to work together on a
common piece of code that the team needs.
It makes sense that the
code base they work on should be Apache-licensed. That makes it possible
for the team to use and develop common code, even if the end result
is LGPL'd as a whole.
If we combine licenses, we must follow the terms of both
licenses when distributing the combined work.
Thus, the dual license contains the super
set of terms in the licenses of Apached and LGPL.
This should address concern about using Apache-licensed code within
LGPL projects due to the FSF's claim that they are incompatible.
Here is a draft statement for RXSL:
The RXTX Specification Library (RXSL) uses a dual license strategy
for the source code.
These licenses are the GNU Lesser General Public License (LGPL) and
the Apache License.
I strongly encourage users to use the LGPL license and participate
fully in the free software community.
Dual licensing of the RXSL source code provides open and free access
to the technology both for the GPL community and for other developers
or companies that cannot use the GPL.
Dual license is common practice in open source projects like
OpenOffice, Perl and Mozilla.
Through the combined use of LGPL and Apache license, developers will
have a high degree of freedom yet compatibility and interoperability
will be preserved.
You can freely modify, extend, and improve the RXSL source code. The
only question is whether or not you must provide the source code and
contribute modifications to the community. The GNU and Apache
licenses allow different ranges of flexibility in this regard, but in
the end, regardless of the license used, any and all incompatible
changes must be published openly.
Note that there is the RXTX Reference Model that uses the org.rxtx
package, which itself is protected by the LGPL. This may be part of
the distribution, however, it can not be redistributed using a
different license.
Is everybody OK with this?
Thanks Trent, great idea!
- Doug
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