On Thu, Aug 13, 2009 at 5:41 PM, William Stein<wst...@gmail.com> wrote: > > On Thu, Aug 13, 2009 at 12:37 PM, Minh Nguyen<nguyenmi...@gmail.com> wrote: >> >> Hi folks, >> >> We're currently shipping cvxopt 0.9 which is licensed under GPLv3+. >> That is a standard spkg. My understanding is that code in the Sage >> library should be GPL compatible with at least GPLv2. What about >> licensing terms for standard spkg's? Can we accept a package whose >> code is under GPLv3 or above? Here is what the file >> SAGE_ROOT/COPYING.txt says: >> >> "Every component of Sage except jsmath is licensed under a GPL v2 (or >> later) compatible license." > > The way you're reading this isn't true since there are already several > GPLv3 packages in Sage, including GSL, the GNUtls stuff, and maybe > more (not sure). When that statement was written is was meant to say > that every component of Sage is licensed under a license L such that L > is GPLvx compatible for *some* x >= 2. You guys are interpreting > this as x=2. > > I think the statement should be changed to the following, which is > hopefully clearer: "Most components of Sage are licensed under a GPL > version 3 compatible license. The only exception at present is > jsmath, which is a javascript library run separately from Sage that is > licensed under the Apache license."
According to this: http://www.gnu.org/philosophy/license-list.html#GPLCompatibleLicenses the Apache license is also compatible with GPL 3. Ondrej --~--~---------~--~----~------------~-------~--~----~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
