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Specify that inbound contributions are licensed under MIT/Apache/LGPL. (
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racket#2839)

Add text of MIT and Apache v2 licenses.
Add initial CONTRIBUTING.md file which specifies contribution license.
Add COPYRIGHT.txt file which specifies the license and lists some
external components.

The LGPL license stays in its current location to avoid having to
modify the build right now.
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@samth
samth authored Oct 1, 2019
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Showing 6 changed files with 301 additions and 14 deletions.
10 changes: 10 additions & 0 deletions CONTRIBUTING.md
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Contribute to Racket by submitting a pull request, joining the
[development mailing list](https://lists.racket-lang.org), or visiting
the IRC or Slack channels.

By making a contribution, you are agreeing that your contribution is
licensed under the LGPLv3, Apache 2.0, and MIT licenses. Those
licenses are available in this repository in the files
racket/src/COPYING_LESSER.txt, LICENSE-APACHE.txt, and
LICENSE-MIT.txt.

60 changes: 60 additions & 0 deletions COPYRIGHT.txt
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Racket is distributed under the GNU Lesser General Public License
(LGPL) version 3. This implies that you may link Racket into
proprietary applications, provided you follow the rules stated in the
LGPL. You can also modify Racket; if you distribute a modified
version, you must distribute it under the terms of the LGPL, which in
particular states that you must release the source code for the
modified software.

See the file racket/src/COPYING_LESSER.txt for the full text of the
license.

There may also be other licenses for code withing the Racket
distribution with which you must comply. Some of them are listed
below.

* libscheme. Code from libscheme can be found in
racket/src/racket. See the file racket/src/COPYING-libscheme.txt

* GNU Lightning. Code from GNU Lightning can be found in
racket/src/racket/src. GNU Lightning is distributed under the GNU
Lesser General Public License version 3.

* GMP. Code from GMP can be found in racket/src/racket/src. The
version of GMP used is distributed under the GNU Lesser General
Public License version 2.1.

* The Boehm Collector. Code for this package can be found in
racket/src/racket/gc. See the file racket/src/racket/gc/README.QUICK
for license information.

* zlib. Code translated from earlier versions of zlib can be found in
racket/racket/collects/file/{gzip,gunzip}.rkt. Zlib is distributed
under a liberal license, see http://zlib.net/

* libffi. Code from libffi can be found in racket/src/foreign/libffi.
See racket/src/foreign/libffi/LICENSE.

* libunwind. Code from libunwind can be found in
racket/src/racket/src/unwind.

* random.c. Code from random.c from FreeBSD 2.2 found in
racket/src/racket/src/random.inc.

* install. Code from install can be found in racket/src/lt/install-sh
and is distributed under the MIT license.

* psyntax. Code from psyntax can be found in
pkgs/racket-benchmarks/tests/racket/benchmarks/common/psyntax.sch

* SCM. Code from SCM can be found in
pkgs/racket-benchmarks/tests/racket/benchmarks/shootout/pidigits1.rkt
SCM is available under the LGPL.

* MemoryModule. Code from MemoryModule can be found in
racket/src/start/MemoryModule.c. MemoryModule is distributed under
the MPL v2.0.

* mbed TLS. Code from mbed TLS can be found in
racket/src/rktio/rktio_sha2.c. mbed TLS is licensed under the Apache
v2.0 License.
201 changes: 201 additions & 0 deletions LICENSE-APACHE.txt
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/

TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

1. Definitions.

"License" shall mean the terms and conditions for use, reproduction,
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24 changes: 24 additions & 0 deletions LICENSE-MIT.txt
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Permission is hereby granted, free of charge, to any
person obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the
Software without restriction, including without
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The above copyright notice and this permission notice
shall be included in all copies or substantial portions
of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

15 changes: 3 additions & 12 deletions README.md
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Contribute to Racket by submitting a pull request, joining the
[development mailing list](https://lists.racket-lang.org), or visiting
the IRC channel.
the IRC or Slack channels.

License
-------

Racket is distributed under the GNU Lesser General Public License
(LGPL). This implies that you may link Racket into proprietary
applications, provided you follow the rules stated in the LGPL. You can
also modify Racket; if you distribute a modified version, you must
distribute it under the terms of the LGPL, which in particular states
that you must release the source code for the modified software.

See racket/src/COPYING_LESSER.txt for more information.
Racket is free software; see "COPYRIGHT" and "CONTRIBUTING.md" for
more details.
5 changes: 3 additions & 2 deletions racket/collects/pkg/private/stage.rkt
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(define (drop-redundant-files pkg-dir)
;; Ad hoc space-saving rule: for an installation-wide package, remove
;; any redundant "COPYING.txt" or "COPYING_LESSER.txt" files.
;; any redundant license files.
(when (and (eq? 'installation (current-pkg-scope))
(find-share-dir))
(for ([i (in-list '("COPYING.txt" "COPYING_LESSER.txt"))])
(for ([i (in-list '("COPYING.txt" "COPYING_LESSER.txt" "COPYRIGHT.txt"
"LICENSE-APACHE" "LICENSE-MIT"))])
(define pkg-file (build-path pkg-dir i))
(define share-file (build-path (find-share-dir) i))
(when (and (file-exists? pkg-file)

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