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92 lines
3.8 KiB
Markdown
92 lines
3.8 KiB
Markdown
License Information
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===================
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SQLite Is Public Domain
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-----------------------
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The SQLite source code, including all of the files in the directories
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listed in the bullets below are
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[Public Domain](https://sqlite.org/copyright.html).
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The authors have submitted written affidavits releasing their work to
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the public for any use. Every byte of the public-domain code can be
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traced back to the original authors. The files of this repository
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that are public domain include the following:
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* All of the primary SQLite source code files found in the
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[src/ directory](https://sqlite.org/src/tree/src?type=tree&expand)
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* All of the test cases and testing code in the
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[test/ directory](https://sqlite.org/src/tree/test?type=tree&expand)
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* All of the SQLite extension source code and test cases in the
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[ext/ directory](https://sqlite.org/src/tree/ext?type=tree&expand)
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* All code that ends up in the "sqlite3.c" and "sqlite3.h" build products
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that actually implements the SQLite RDBMS.
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* All of the code used to compile the
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[command-line interface](https://sqlite.org/cli.html)
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* All of the code used to build various utility programs such as
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"sqldiff", "sqlite3_rsync", and "sqlite3_analyzer".
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The public domain source files usually contain a header comment
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similar to the following to make it clear that the software is
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public domain.
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> ~~~
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The author disclaims copyright to this source code. In place of
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a legal notice, here is a blessing:
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* May you do good and not evil.
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* May you find forgiveness for yourself and forgive others.
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* May you share freely, never taking more than you give.
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~~~
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Almost every file you find in this source repository will be
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public domain. But there are a small number of exceptions:
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Non-Public-Domain Code Included With This Source Repository AS A Convenience
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----------------------------------------------------------------------------
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This repository contains a (relatively) small amount of non-public-domain
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code used to help implement the configuration and build logic. In other
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words, there are some non-public-domain files used to implement:
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> ~~~
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./configure && make
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~~~
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In all cases, the non-public-domain files included with this
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repository have generous BSD-style licenses. So anyone is free to
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use any of the code in this source repository for any purpose, though
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attribution may be required to reuse or republish the configure and
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build scripts. None of the non-public-domain code ever actually reaches
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the build products, such as "sqlite3.c", however, so no attribution is
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required to use SQLite itself. The non-public-domain code consists of
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scripts used to help compile SQLite. The non-public-domain code is
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technically not part of SQLite. The non-public-domain code is
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included in this repository as a convenience to developers, so that those
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who want to build SQLite do not need to go download a bunch of
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third-party build scripts in order to compile SQLite.
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Non-public-domain code included in this respository includes:
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* The ["autosetup"](http://msteveb.github.io/autosetup/) configuration
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system that is contained (mostly) the autosetup/ directory, but also
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includes the "./configure" script at the top-level of this archive.
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Autosetup has a separate BSD-style license. See the
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[autosetup/LICENSE](http://msteveb.github.io/autosetup/license/)
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for details.
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* There are BSD-style licenses on some of the configuration
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software found in the legacy autoconf/ directory and its
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subdirectories.
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The following unix shell command is can be run from the top-level
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of this source repository in order to remove all non-public-domain
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code:
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> ~~~
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rm -rf configure autosetup autoconf
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~~~
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If you unpack this source repository and then run the command above, what
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is left will be 100% public domain.
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