On Wed, 2009-02-18 at 17:18 +0100, Teemu Ikonen wrote: > On Tue, Feb 17, 2009 at 9:18 PM, Denis Barbier <bouzim@gmail.com> wrote: > > On 2009/2/10, Adam C Powell IV wrote: > > [...] > >> Robert, I owe you an answer on why the OCTPL is GPL-incompatible. > >> IANAL, TINLA, TINASOTODP, etc. but here goes: > >> * 4. para 4: "If you distribute or sublicense the Software (as > >> modified by You or on Your behalf as the case may be), You cause > >> such Software to be licensed as a whole, at no charge, to all > >> third parties..." The GPL does not require "at no charge", and > >> even expressly allows charging for software, so this is an > >> additional restriction beyond the GPL. > > > > GPL 2, section 2.b) > > You must cause any work that you distribute or publish, that in > > whole or in part contains or is derived from the Program or any > > part thereof, to be licensed as a whole at no charge to all third > > parties under the terms of this License. > > > >> * 4. para 5: "You document all Your Modifications, indicate the > >> date of each such Modifications, designate the version of the > >> Software You used..." None of this is required by the GPL, so > >> all of these are additional restrictions. > > > > GPL 2, section 2.a) > > You must cause the modified files to carry prominent notices > > stating that you changed the files and the date of any change. > > > > To me, OCTPL 6.3 (as found in OpenCascade sources, not the one > > at the website, which is outdated IIRC) is identical to LGPL 2.1, they > > paraphrased it, and I believe that OCTPL 6.3 is compatible with GPL. Thanks Denis, I stand corrected. > Interesting. I assume this would mean that works combining GPL and > OCTPL code (such as FreeCAD) would be acceptable to Debian main? IANAL, TINLA, etc. but I assume so. > Would it make sense to send a note about the GPL compatibility of > OCTPL and its similarity to LGPL to the FTP-master? Maybe this would > get OpenCascade out of the NEW queue, it's been sitting there 4 months > already. I don't think so. Last I corresponded with them, their last remaining concern was about whether the Matra Datavision copyright notices could be assumed to have transferred to Open Cascade SAS. That was six weeks ago... Hopefully the lenny release will let them get back to NEW queue processing. -Adam -- GPG fingerprint: D54D 1AEE B11C CE9B A02B C5DD 526F 01E8 564E E4B6 Engineering consulting with open source tools http://www.opennovation.com/
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