On 7/29/07, Pablo De Napoli <[EMAIL PROTECTED]> wrote: > > William (and others): > > There is a licence issue about Sage raised by GPL-v3, that may be you > need to consider > (I'm not a lawyer so that what I'm saying could be wrong).
As far as I can tell, what you are saying is consistent with http://www.gnu.org/licenses/gpl-faq.html#TOCv2v3Compatibility > > Currently according to the COPYING file, Sage is released under GPL version 2. > > The problem is that some packages included in Sage will be soon relicence > under > GPL-version 3, for example GNU GSL version 1.10 will certainly released under > GPL-version 3 (and so will be most FSF stuff). > > If I understand things well, you cannot link such a library to a > GPL-v2 project, without > releasing the whole project under GPL-v3, am I right? > > If this is true, then it might be necesary to consider relicensing > Sage under GPL-v3. > But this would mean to get explicit permision from all Sage contributors > > (Since Sage is not released "under GPL-v2 and any later version..." > but explicitey under "GPL-v2") > > A good side efect of relicensing Sage under GPL-v3 would be that this > licencs has > better compatibility with other free software licences.(so that more > free software packages > could be eventually incorporated into Sage, but I could not think of > an specific example right now. > > Pablo > > > > --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://sage.scipy.org/sage/ and http://modular.math.washington.edu/sage/ -~----------~----~----~----~------~----~------~--~---
