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these changes are the outcome of a long mailing list thread that took place March 2016, "musl licensing". among minor other issues, prospective users were not confident that the whole-project MIT license would grant permission for files to which the COPYRIGHT file expressed a belief that copyright not apply, if it turned out that these files were actually subject to copyright. in accordance with the original intent of applying a permissive license to the project, which was that license issues not be an obstacle to use, the text which was causing confusion is removed. no new claims of copyright are made, but new text is added to clarify that the grant of permissions applies to all files, and an explicit grant of permission to use public headers and crt files without attribution has been made. this patch was reviewed and approved by all substantial contributors to the affected files: Bobby Bingham, John Spencer (rofl0r), Nicholas J. Kain, Rich Felker, Richard Pennington, Stefan Kristiansson, and Szabolcs Nagy.
164 lines
5.8 KiB
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164 lines
5.8 KiB
Plaintext
musl as a whole is licensed under the following standard MIT license:
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----------------------------------------------------------------------
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Copyright © 2005-2014 Rich Felker, et al.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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----------------------------------------------------------------------
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Authors/contributors include:
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Alex Dowad
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Alexander Monakov
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Anthony G. Basile
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Arvid Picciani
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Bobby Bingham
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Boris Brezillon
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Brent Cook
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Chris Spiegel
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Clément Vasseur
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Daniel Micay
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Denys Vlasenko
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Emil Renner Berthing
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Felix Fietkau
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Felix Janda
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Gianluca Anzolin
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Hauke Mehrtens
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Hiltjo Posthuma
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Isaac Dunham
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Jaydeep Patil
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Jens Gustedt
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Jeremy Huntwork
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Jo-Philipp Wich
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Joakim Sindholt
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John Spencer
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Josiah Worcester
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Justin Cormack
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Khem Raj
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Kylie McClain
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Luca Barbato
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Luka Perkov
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M Farkas-Dyck (Strake)
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Mahesh Bodapati
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Michael Forney
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Natanael Copa
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Nicholas J. Kain
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orc
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Pascal Cuoq
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Petr Hosek
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Pierre Carrier
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Rich Felker
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Richard Pennington
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Shiz
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sin
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Solar Designer
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Stefan Kristiansson
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Szabolcs Nagy
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Timo Teräs
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Trutz Behn
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Valentin Ochs
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William Haddon
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Portions of this software are derived from third-party works licensed
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under terms compatible with the above MIT license:
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The TRE regular expression implementation (src/regex/reg* and
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src/regex/tre*) is Copyright © 2001-2008 Ville Laurikari and licensed
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under a 2-clause BSD license (license text in the source files). The
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included version has been heavily modified by Rich Felker in 2012, in
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the interests of size, simplicity, and namespace cleanliness.
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Much of the math library code (src/math/* and src/complex/*) is
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Copyright © 1993,2004 Sun Microsystems or
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Copyright © 2003-2011 David Schultz or
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Copyright © 2003-2009 Steven G. Kargl or
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Copyright © 2003-2009 Bruce D. Evans or
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Copyright © 2008 Stephen L. Moshier
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and labelled as such in comments in the individual source files. All
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have been licensed under extremely permissive terms.
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The ARM memcpy code (src/string/arm/memcpy_el.S) is Copyright © 2008
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The Android Open Source Project and is licensed under a two-clause BSD
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license. It was taken from Bionic libc, used on Android.
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The implementation of DES for crypt (src/crypt/crypt_des.c) is
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Copyright © 1994 David Burren. It is licensed under a BSD license.
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The implementation of blowfish crypt (src/crypt/crypt_blowfish.c) was
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originally written by Solar Designer and placed into the public
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domain. The code also comes with a fallback permissive license for use
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in jurisdictions that may not recognize the public domain.
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The smoothsort implementation (src/stdlib/qsort.c) is Copyright © 2011
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Valentin Ochs and is licensed under an MIT-style license.
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The BSD PRNG implementation (src/prng/random.c) and XSI search API
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(src/search/*.c) functions are Copyright © 2011 Szabolcs Nagy and
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licensed under following terms: "Permission to use, copy, modify,
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and/or distribute this code for any purpose with or without fee is
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hereby granted. There is no warranty."
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The x86_64 port was written by Nicholas J. Kain and is licensed under
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the standard MIT terms.
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The mips and microblaze ports were originally written by Richard
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Pennington for use in the ellcc project. The original code was adapted
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by Rich Felker for build system and code conventions during upstream
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integration. It is licensed under the standard MIT terms.
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The mips64 port was contributed by Imagination Technologies and is
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licensed under the standard MIT terms.
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The powerpc port was also originally written by Richard Pennington,
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and later supplemented and integrated by John Spencer. It is licensed
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under the standard MIT terms.
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All other files which have no copyright comments are original works
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produced specifically for use as part of this library, written either
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by Rich Felker, the main author of the library, or by one or more
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contibutors listed above. Details on authorship of individual files
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can be found in the git version control history of the project. The
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omission of copyright and license comments in each file is in the
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interest of source tree size.
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In addition, permission is hereby granted for all public header files
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(include/* and arch/*/bits/*) and crt files intended to be linked into
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applications (crt/*, ldso/dlstart.c, and arch/*/crt_arch.h) to omit
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the copyright notice and permission notice otherwise required by the
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license, and to use these files without any requirement of
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attribution. These files include substantial contributions from:
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Bobby Bingham
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John Spencer
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Nicholas J. Kain
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Rich Felker
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Richard Pennington
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Stefan Kristiansson
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Szabolcs Nagy
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all of whom have explicitly granted such permission.
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This file previously contained text expressing a belief that most of
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the files covered by the above exception were sufficiently trivial not
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to be subject to copyright, resulting in confusion over whether it
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negated the permissions granted in the license. In the spirit of
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permissive licensing, and of not having licensing issues being an
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obstacle to adoption, that text has been removed.
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