unofficial mirror of help-gnu-emacs@gnu.org
 help / color / mirror / Atom feed
From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: Packages, release notes, etc
Date: Thu, 10 Sep 2015 19:20:16 -0400	[thread overview]
Message-ID: <jwvio7h986t.fsf-monnier+INBOX@gnu.org> (raw)
In-Reply-To: <871te6nijg.fsf@gnu.org> (Tassilo Horn's message of "Thu, 10 Sep 2015 22:09:07 +0200")

>>> With respect to license, I think it is not even possible for an Emacs
>>> package to have a license different than GPL version 3 or later.
>> Not exactly: the license can be different from GPLv3+, but it should
>> be compatible with GPLv3+, indeed.
> But what's the purpose of the copyleft when I can release a derived work
> basing on GPL code under a GPL-compatible license which has no copyleft
> anymore, e.g., Apache License, Version 2.0?

You can't take existing GPL code and distribute it with an MIT
license, indeed.  But you can distribute the code *you* write with
an MIT license.

You have to use a license that's compatible with the GPL not because
it's a mere derivative of GPL'd code, but because that code can only
work by linking with GPL'd code.  IIUC this is a theory that hasn't been
tested in court.


        Stefan



  reply	other threads:[~2015-09-10 23:20 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <vto7ccx8r5.ln2@news.c0t0d0s0.de>
2015-09-10  9:22 ` Packages, release notes, etc Tassilo Horn
2015-09-10 17:36   ` Stefan Monnier
2015-09-10 20:09     ` Tassilo Horn
2015-09-10 23:20       ` Stefan Monnier [this message]
     [not found]       ` <mailman.878.1441927224.19560.help-gnu-emacs@gnu.org>
2015-09-11  2:12         ` Pascal J. Bourguignon
2015-09-11  9:25           ` Alan Schmitt
2015-09-11  5:26       ` tomas
     [not found]     ` <mailman.874.1441915758.19560.help-gnu-emacs@gnu.org>
2015-09-11  0:16       ` Joost Kremers
2015-09-11  2:15         ` Pascal J. Bourguignon
     [not found] ` <mailman.808.1441876951.19560.help-gnu-emacs@gnu.org>
     [not found]   ` <ni18ccxbua.ln2@news.c0t0d0s0.de>
2015-09-10 10:31     ` tomas
2015-09-10 11:00       ` Tassilo Horn
2015-09-10 11:38         ` tomas
2015-09-10 11:40 Alexis

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=jwvio7h986t.fsf-monnier+INBOX@gnu.org \
    --to=monnier@iro.umontreal.ca \
    --cc=help-gnu-emacs@gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).