On 2012-02-11 21:59, Keshav Kini wrote: > On Sun, Feb 12, 2012 at 04:54, Jason Grout <jason-s...@creativetrax.com> > wrote: >>> I will say it more strongly: Sage *is* violating the GPL by distributing >>> GPLv3-only packages (such as cvxopt) under a GPLv2+ licence. >>> >> >> Sage is changing the license for packages? I thought the Sage distribution >> was GPLv3 because of GPLv3 packages it included. Who said the Sage >> distribution was GPLv2+? > >>From an email exchange between me and William in October: > > On Sun, Oct 2, 2011 at 06:31, William Stein <wst...@gmail.com> wrote: >> On Sat, Oct 1, 2011 at 3:28 PM, Keshav Kini <keshav.k...@gmail.com> wrote: >>> On Saturday, October 1, 2011 10:28:28 AM UTC+8, William wrote: >>>> >>>> (2) Sage is GPLv3, which is a license that is perceived as very >>>> corporate unfriendly by many of the top companies that do commercial >>>> software. >>> >>> Last I checked, Sage was GPLv2+. This is stated in COPYING.txt in the root >>> directory of the latest dev version, too (4.7.2.alpha3). Has something >>> changed? >> >> The complete Sage distribution is GPLv3+. The core Sage library >> (written in Python and Cython) is GPLv2+. However, many of the >> components of Sage are GPLv3+. >
So I guess COPYING.txt should be updated then... And Wikipedia (http://en.wikipedia.org/wiki/Sage_Math) also says: Sage is free software, distributed under the terms of the GNU General Public License version 2+. -- 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 URL: http://www.sagemath.org
