Date: Mon, 27 Jul 2009 12:30:36 -0400 From: Mehmet Erol Sanliturk <m.e.sanliturk@gmail.com> To: son goku <ryu.planka@gmail.com> Cc: freebsd-questions@freebsd.org, Jonathan Chen <jonc@chen.org.nz>, Vincent Hoffman <vince@unsane.co.uk> Subject: Re: source code licensing questions Message-ID: <a333b2be0907270930s2488811cw8d60e6008ab504d5@mail.gmail.com> In-Reply-To: <b5a284500907270542n123a4982t243061156facf57@mail.gmail.com> References: <b5a284500907270158s61e7c668s30a6b6b5eaa0b74e@mail.gmail.com> <20090727110952.GA60932@osiris.chen.org.nz> <4A6D8F5D.7020600@unsane.co.uk> <b5a284500907270542n123a4982t243061156facf57@mail.gmail.com>
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On Mon, Jul 27, 2009 at 8:42 AM, son goku <ryu.planka@gmail.com> wrote: > Thanks guys for the prompt answers!!! > It seems weird that code that uses dtrace must be opened. I mean every > serious production level application must have some dtrace-like mechanism > inside to collect online information when needed. It is a shame that > because > of licensing issues, I will have to roll-my-own and re-invent the wheel a= ll > over again, probably with cruder and implementation that is more flawed > compared to dtrace. > > I wonder what all the proprietary modules for Solaris (VxVM jumps to > mind...) or BSD do? Or there are no such modules anymore... > > http://www.sun.com/cddl/ ----------------------------- http://www.sun.com/cddl/cddl.html - *1.3. =E2=80=9CCovered Software=E2=80=9D* means (a) the Original Softwar= e, or (b) Modifications, or (c) the combination of files containing Original Softw= are with files containing Modifications, in each case including portions thereof. - *1.6. =E2=80=9CLarger Work=E2=80=9D* means a work which combines Covered= Software or portions thereof with code not governed by the terms of this License. - - *3.6. Larger Works.* You may create a Larger Work by combining Covered Software with other code not governed by the terms of this License and distribute the Larger Work as a single product. In such a case, You must make sure the requirements of this License are fulfilled for the Covered Software. -------------------------- http://www.opensource.org/licenses/cddl1.php http://opensolaris.org/os/licensing/cddllicense.txt http://opensolaris.org/os/licensing/opensolaris_license/ http://www.opensolaris.com/licensing/opensolaris_license/ http://www.netbeans.org/cddl.html http://www.openmediacommons.org/CDDL_License.html http://www.gnu.org/philosophy/license-list.html Common Development and Distribution License (CDDL), version 1.0<http://www.opensolaris.org/os/licensing/cddllicense.txt>; This is a free software license. It has a copyleft with a scope that's similar to the one in the Mozilla Public License, which makes it incompatible with the GNU GPL <http://www.gnu.org/licenses/gpl.html>. This means a module covered by the GPL and a module covered by the CDDL cannot legally be linked together. We urge you not to use the CDDL for this reason= . Also unfortunate in the CDDL is its use of the term =E2=80=9Cintellectual property<http://www.gnu.org/philosophy/not-ipr.html>; =E2=80=9D. http://en.wikipedia.org/wiki/Common_Development_and_Distribution_License http://soundadvice.id.au/blog/2005/02/04/#cddl =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D http://www.opensolaris.org/os/about/faq/licensing_faq/ *If I use code licensed under the CDDL in my proprietary product, will I have to share my source code?* Yes, for any source files that are licensed under the CDDL and any modifications you make. However, you don't need to share the source for you= r proprietary source files. =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D http://lwn.net/Articles/114839/ I am NOT a lawyer , therefore my opinions does NOT have any legal value . In short , CDDL does NOT require to disclose your OWN proprietary sources , BUT ONLY requires to explicitly supply CDDL licensed parts with any changes applied to them with respect to CDDL license . If you are a commercial entity my suggestion would be to seek legal advise from a lawyer with expertise on software licenses and copyrights . Thank you very much . Mehmet Erol Sanliturk
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