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Incorporate Chris' first round of comments.

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Reid Spencer 2007-02-14 07:22:19 +00:00
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docs/DeveloperPolicy.html
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@ -12,14 +12,8 @@
<table class="layout"><tr class="layout"><td class="layout">
<h2>Contents</h2>
<ol>
<li><a href="#overview">Overview</a></li>
<li><a href="#introduction">Introduction</a></li>
<li><a href="#terms">Terminology</a></li>
<li><a href="#candl">Copyright and License</a>
<ol>
<li><a href="#copyright">Copyright</a></li>
<li><a href="#license">License</a></li>
<li><a href="#devagree">Developer Agreements</a></li>
</ol></li>
<li><a href="#general">General Policies</a>
<ol>
<li><a href="#informed">Stay Informed</a> </li>
@ -38,6 +32,12 @@
<li><a href="#c_access">Obtaining Commit Access</a></li>
<li><a href="#c_new">New Committers</a></li>
</ol></li>
<li><a href="#candl">Copyright and License</a>
<ol>
<li><a href="#copyright">Copyright</a></li>
<li><a href="#license">License</a></li>
<li><a href="#devagree">Developer Agreements</a></li>
</ol></li>
</ol>
<div class="doc_author">Written by LLVM Oversight Team</div>
</td><td class="layout">
@ -88,74 +88,6 @@
</td></tr></table>
<!--=========================================================================-->
<div class="doc_section"><a name="candl">Copyright and License</a></div>
<!--=========================================================================-->
<div class="doc_text">
<p>We address here the issues of copyright and license for the LLVM project.
A copyright is literally the "right to copy". It is a set of exclusive rights
granted to a party regulating the particular expression of information.
In this case, the information is LLVM. A license is something granted by a
copyright holder to other parties that controls the use of the information
by them. Currently, the University of Illinois is the LLVM copyright holder
and the terms of its license to LLVM users and developers is the
University of Illinois Open Source License (see LICENSE.txt).</p>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsection"><a name="copyright">Copyright</a></div>
<div class="doc_text">
<p>The LLVM project believes in correct attribution of contributions to
their contributors. Developers should, therefore, place their name at the
top of any source file they originate and list their contributions in the
CREDITS.TXT file. Furthermore, correct attribution of submitted patches
should be made in the commit comments.</p>
<p>However, for consistency and ease of management, the project requires the
copyright for all LLVM software to be held by a single copyright holder.
Although UIUC may assign the copyright of the software to another entity,
the intent for the project is to always have a single entity hold the copy
rights to LLVM at any given time.
<p>Having multiple copyright holders for various portions of LLVM is
problematic in the management of the software. Having a single copyright
holder is in the best interests of all developers and users as it greatly
reduces the managerial burden for any kind of administrative or technical
decisions about LLVM.</p>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsection"><a name="license">License</a></div>
<div class="doc_text">
<p>LLVM licensing decisions will be made by the LLVM Oversight Group. Any
issues, comments or suggestions with the licensing should be sent to
<a href="mailto:oversight@llvm.org">oversight@llvm.org</a>.</p>
<p>The LLVM Oversight Group intends to keep LLVM perpetually open source
and to use liberal open source licenses. The current license is the
University of Illinois Open Source License (see LICENSE.TXT), which boils
down to this:</p>
<ul>
<li>You can freely distribute LLVM.</li>
<li>You must retain the copyright notice if you redistribute.</li>
<li>Binaries derived from LLVM must reproduce the copyright notice.</li>
<li>You can't use our names to promote your LLVM derived products.</li>
<li>There's no warranty on LLVM at all.</li>
</ul>
<p>We believe this fosters the widest adoption of LLVM because it allows
commercial products to be derived from LLVM with few restrictions and
without a requirement for making any derived works also open source. The
intent of the license is to let people use LLVM freely with only the
obligation to be honest about where it came from.</p>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsection"><a name="devagree">Developer Agreements</a></div>
<div class="doc_text">
<p>With regards to the LLVM copyright and licensing, developers agree to:</p>
<ul>
<li>give up their copy rights to any contribution made so that the entire
software base can be managed by a single copyright holder.</li>
<li>allow their contribution(s) to be licensed as open source by the then
current or subsequent license chosen by the LLVM Oversight Group.</li>
<li>not make LLVM available under any other licensing agreement.</li>
</ul>
</div>
<!--=========================================================================-->
<div class="doc_section"><a name="general">General Policies</a></div>
<!--=========================================================================-->
@ -173,18 +105,19 @@
anything more than just casual work on LLVM, it is highly suggested that you
also subscribe to the llvm-commits list and pay attention to changes being
made by others.</p>
<p>Active developers must register an email account with bugzilla
(<a href="http://llvm.org/bugs/">http://llvm.org/bugs/</a>) and preferably
subscribe to the llvm-bugs email list to keep track of bugs occurring in
LLVM.</p>
<p>We recommend that active developers register an email account with
<a href="http://llvm.org/bugs/">LLVM Bugzilla</a> and preferably subscribe to
the <a href="http://lists.cs.uiuc.edu/mailman/listinfo/llvmbugs">llvm-bugs</a>
email list to keep track of bugs and enhancements occurring in LLVM.</p>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsection"> <a name="newwork">Starting New Work</a></div>
<div class="doc_text">
<p>When a developer begins new work with the aim of contributing it back to
LLVM, s/he must inform the community with an email to llvm-dev email list,
to the extent possible. The reason for this is to:
<p>When a developer begins a major new project with the aim of contributing
it back to LLVM, s/he should inform the community with an email to
the <a href="http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev">llvm-dev</a>
email list, to the extent possible. The reason for this is to:
<ul>
<li>keep the community informed about future changes to LLVM, </li>
<li>avoid duplication of effort by having multiple parties working on the
@ -192,6 +125,10 @@
<li>ensure that any issues around the proposed work are discussed and
resolved before any significant work is accomplished.</li>
</ul>
<p>The design of LLVM is carefully controlled to ensure that all the pieces
fit together well. If you plan to make a major change to the way LLVM works or
a major new extension, it is a good idea to get consensus with the development
community before you start working on it.</p>
</div>
<!-- _______________________________________________________________________ -->
@ -408,6 +345,100 @@
</ol>
</div>
<!--=========================================================================-->
<div class="doc_section"><a name="candl">Copyright and License</a></div>
<!--=========================================================================-->
<div class="doc_text">
<p>We address here the issues of copyright and license for the LLVM project.
The object of the copyright and license is the LLVM source and documentation.
Currently, the University of Illinois is the LLVM copyright holder and the
terms of its license to LLVM users and developers is the
<a href="http://www.opensource.org/licenses/UoI-NCSA.php">University of
Illinois/NCSA Open Source License</a>.
</div>
<div class="doc_notes">
<p>NOTE: This section deals with legal matters but does not provide legal
advice. It is intended only as a general guideline.</p>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsection"><a name="copyright">Attribution</a></div>
<div class="doc_text">
<p>The LLVM project believes in correct attribution of contributions to
their contributors, as follows:</p>
<ol>
<li>Developers who originate new files in LLVM should place their name at
the top of the file per the
<a href="CodingStandards.html">Coding Standards</a>.</li>
<li>There should be only one name at the top of the file and it should be
the person who created the file.</li>
<li>Placing your name in the file does not imply copyright but does
correctly attribute the file to its author.</li>
<li>Developers should be aware that after some time has passed, the name at
the top of a file may become meaningless as maintenance/ownership of files
changes.</li>
<li>Developers should submit or commit patches to the
<a href="http://llvm.org/cvsweb/cvsweb.cgi/llvm/CREDITS.TXT?rev=1.67&content-type=text/x-cvsweb-markup">CREDITS.txt</a>
file to summarize their contributions.</li>
<li>Commit comments should contain correct attribution of the person who s
submitted the patch if that person is not the committer (i.e. when a
developer with commit privileges commits a patch for someone else).</li>
</ol>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsection"><a name="copyright">Copyright</a></div>
<div class="doc_text">
<p>
<p>However, for consistency and ease of management, the project requires the
copyright for all LLVM software to be held by a single copyright holder.
Although UIUC may assign the copyright of the software to another entity,
the intent for the project is to always have a single entity hold the copy
rights to LLVM at any given time.
<p>Having multiple copyright holders for various portions of LLVM is
problematic in the management of the software. Having a single copyright
holder is in the best interests of all developers and users as it greatly
reduces the managerial burden for any kind of administrative or technical
decisions about LLVM.</p>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsection"><a name="license">License</a></div>
<div class="doc_text">
<p>LLVM licensing decisions will be made by the LLVM Oversight Group. Any
issues, comments or suggestions with the licensing should be sent to
<a href="mailto:oversight@llvm.org">oversight@llvm.org</a>.</p>
<p>The LLVM Oversight Group intends to keep LLVM perpetually open source
and to use liberal open source licenses. The current license is the
University of Illinois Open Source License (see LICENSE.TXT), which boils
down to this:</p>
<ul>
<li>You can freely distribute LLVM.</li>
<li>You must retain the copyright notice if you redistribute LLVM.</li>
<li>Binaries derived from LLVM must reproduce the copyright notice.</li>
<li>You can't use our names to promote your LLVM derived products.</li>
<li>There's no warranty on LLVM at all.</li>
</ul>
<p>We believe this fosters the widest adoption of LLVM because it allows
commercial products to be derived from LLVM with few restrictions and
without a requirement for making any derived works also open source. We
suggest that you read the
<a href="http://www.opensource.org/licenses/UoI-NCSA.php">License</a> if
further clarification is needed.</p>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsection"><a name="devagree">Developer Agreements</a></div>
<div class="doc_text">
<p>With regards to the LLVM copyright and licensing, developers agree to:</p>
<ul>
<li>assign their copy rights to UIUC for any contribution made so that
the entire software base can be managed by a single copyright holder.</li>
<li>allow their contribution(s) to be licensed as open source by the then
current license chosen by the LLVM Oversight Group.</li>
<li>not make LLVM available under any other licensing agreement.</li>
</ul>
</div>
<!--=========================================================================-->
<div class="doc_section"><a name="notes">Policy Notes</a></div>
<!--=========================================================================-->