[Xen-changelog] [xen-unstable] COPYING: Add discussion about GPL compatibility of Modified BSD licenses.

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir@xxxxxxx>
# Date 1300964942 0
# Node ID 8ec7808f9c232e1aa6dcf9a51a8a8925444122a1
# Parent  49728fe8dd6a8fd0bece1b6b35b3579f38dcd2cf
COPYING: Add discussion about GPL compatibility of Modified BSD licenses.

Signed-off-by: Keir Fraser <keir@xxxxxxx>
---


diff -r 49728fe8dd6a -r 8ec7808f9c23 COPYING
--- a/COPYING   Wed Mar 23 17:07:11 2011 +0000
+++ b/COPYING   Thu Mar 24 11:09:02 2011 +0000
@@ -9,6 +9,15 @@
 version of the license (i.e., *only* v2, not v2.2 or v3.x or
 whatever), unless explicitly otherwise stated.
 
+Some code fragments in the hypervisor and associated subsystems
+include the 2- or 3-clause BSD license stanzas (also known as Modified
+BSD licenses). When these code sections are compiled as part of a
+GPLv2-licensed program, such as Xen, the result is licensed under
+GPLv2. See the FSF's definition of GPL compatibility:
+ http://www.gnu.org/licenses/gpl-faq.html#WhatDoesCompatMean
+And how this applies to a range of open source licenses:
+ http://www.gnu.org/licenses/license-list.html
+
 Licensing Exceptions (the relaxed BSD-style license)
 ----------------------------------------------------
 

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