150 lines
6.9 KiB
HTML
150 lines
6.9 KiB
HTML
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<!-- This manual describes ASDF, a system definition facility
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for Common Lisp programs and libraries.
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You can find the latest version of this manual at
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https://common-lisp.net/project/asdf/asdf.html.
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ASDF Copyright (C) 2001-2019 Daniel Barlow and contributors.
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This manual Copyright (C) 2001-2019 Daniel Barlow and contributors.
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This manual revised (C) 2009-2019 Robert P. Goldman and Francois-Rene Rideau.
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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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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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<title>Introduction (ASDF Manual)</title>
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<link href="index.html" rel="start" title="Top">
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<link href="Concept-Index.html" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="index.html" rel="up" title="Top">
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</head>
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<body lang="en">
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<div class="chapter" id="Introduction">
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<div class="header">
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<p>
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Next: <a href="Quick-start-summary.html" accesskey="n" rel="next">Quick start summary</a>, Previous: <a href="index.html" accesskey="p" rel="prev">ASDF: Another System Definition Facility</a>, Up: <a href="index.html" accesskey="u" rel="up">ASDF: Another System Definition Facility</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<span id="Introduction-1"></span><h2 class="chapter">1 Introduction</h2>
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<span id="index-ASDF_002drelated-features"></span>
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<span id="index-_002afeatures_002a-1"></span>
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<span id="index-Testing-for-ASDF"></span>
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<span id="index-ASDF-versions"></span>
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<span id="index-_003aasdf"></span>
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<span id="index-_003aasdf2"></span>
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<span id="index-_003aasdf3"></span>
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<p>ASDF, or Another System Definition Facility, is a <em>build system</em>:
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a tool for specifying how systems of Common Lisp software
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are made up of components (sub-systems and files),
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and how to operate on these components in the right order
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so that they can be compiled, loaded, tested, etc.
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If you are new to ASDF, see <a href="Quick-start-summary.html">the quick start
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guide</a>.
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</p>
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<p>ASDF presents three faces:
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one for users of Common Lisp software who want to reuse other people’s code,
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one for writers of Common Lisp software who want to specify how to build their systems,
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and one for implementers of Common Lisp extensions who want to extend
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the build system.
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For more specifics,
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see <a href="Using-ASDF.html">Using ASDF</a>,
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to learn how to use ASDF to load a system.
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See <a href="Defining-systems-with-defsystem.html">Defining systems with defsystem</a>,
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to learn how to define a system of your own.
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See <a href="The-object-model-of-ASDF.html">The Object model of ASDF</a>, for a description of
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the ASDF internals and how to extend ASDF.
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</p>
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<p>Note that
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ASDF is <em>not</em> a tool for library and system <em>installation</em>;
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it plays a role like <code>make</code> or <code>ant</code>, not like a package manager.
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In particular, ASDF should not to be confused with Quicklisp or ASDF-Install,
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that attempt to find and download ASDF systems for you.
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Despite what the name might suggest,
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ASDF-Install was never a part of ASDF; it was always a separate piece of software.
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ASDF-Install has also been unmaintained and obsolete for a very long time.
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We recommend you use Quicklisp
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(<a href="http://www.quicklisp.org/">http://www.quicklisp.org/</a>) instead,
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a Common Lisp package manager which works well and is being actively maintained.
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If you want to download software from version control instead of tarballs,
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so you may more easily modify it,
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we recommend clbuild (<a href="http://common-lisp.net/project/clbuild/">http://common-lisp.net/project/clbuild/</a>).
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As for where on your filesystem to install Common Lisp software,
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we recommend subdirectories of <samp>~/common-lisp/</samp>:
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starting with ASDF 3.1.2 (2014), this hierarchy is included
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in the default source-registry configuration.
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</p>
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<p>Finally, note that this manual is incomplete.
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All the bases are covered,
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but many advanced topics are only barely alluded to,
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and there is not much in terms of examples.
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The source code remains the ultimate source of information,
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free software systems in Quicklisp remain the best source of examples,
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and the mailing-list the best place to ask for help.
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</p>
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</div>
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<hr>
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<div class="header">
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<p>
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Next: <a href="Quick-start-summary.html">Quick start summary</a>, Previous: <a href="index.html">ASDF: Another System Definition Facility</a>, Up: <a href="index.html">ASDF: Another System Definition Facility</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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</div>
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</body>
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</html>
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