From c84f61809335e0408f54cb2f11087785e4a1818c Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Sun, 24 Nov 2019 13:49:55 +0100 Subject: Update README, clarify licensing situation Signed-off-by: David Oberhollenzer --- COPYING.md | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 COPYING.md (limited to 'COPYING.md') diff --git a/COPYING.md b/COPYING.md new file mode 100644 index 0000000..1185ad5 --- /dev/null +++ b/COPYING.md @@ -0,0 +1,44 @@ +# License of squashfs-tools-ng + +The `libsquashfs` library is released under the terms and conditions of the +**GNU Lesser General Public License version 3 or later**. This applies to +all source code in the directories `lib/sqfs`, `lib/util`, `include/sqfs` +and `include/util`. + +The rest of squashfs-tools-ng is released under the terms and conditions of +the **GNU General Public License version 3 or later**. + +Copies of the licenses are included in `licenses/LGPLv3.txt` and +`licenses/GPLv3.txt` respectively. + +The original source code of squashfs-tools-ng has been written by David +Oberhollenzer in 2019. Additional contributions have been added since the +initial release which makes some parts of the package subject to the copyright +of the respective authors. Appropriate copyright notices and SPDX identifiers +are included in the source code files. + +Although the existing squashfs-tools and the Linux kernel implementation have +been used for testing, the source code in this package is neither based on, +nor derived from either of them. + +# Binary Packages with 3rd Party Libraries + +If this file is included in a binary release package, additional 3rd party +libraries may be included, which are subject to the copyright of their +respective authors and the terms and conditions of their respective liceses. + +The following may be included: + + - The LZO compression library. Copyright Markus F.X.J. Oberhumer. This is + released under the terms and conditions of the GNU General Public License + version 2. A copy of the license is included in `licenses/GPLv2.txt`. + - The LZ4 compression library. Copyright Yann Collet. This is released under a + 2 clause BSD style license, included in `licenses/LZ4.txt`. + - The XZ utils liblzma library is released into the public domain. An excerpt + from the `COPYING` file of its source code archive is included + in `licenses/xz.txt`. + - The zlib compression library. Copyright Jean-loup Gailly and Mark Adler. + This is released under the terms and conditions of the zlib license, + included in `licenses/zlib.txt` + - The zstd compression library. Copyright Facebook, Inc. All rights reserved. + This is released under a BSD style license, included in `licenses/zstd.txt`. -- cgit v1.2.3