104 lines
4.8 KiB
HTML
104 lines
4.8 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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<title>ASDF itself is versioned (ASDF Manual)</title>
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<meta name="description" content="ASDF itself is versioned (ASDF Manual)">
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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="What-has-changed-between-ASDF-1-ASDF-2-and-ASDF-3_003f.html" rel="up" title="What has changed between ASDF 1 ASDF 2 and ASDF 3?">
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<link href="ASDF-can-be-upgraded.html" rel="next" title="ASDF can be upgraded">
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<link href="Many-bugs-have-been-fixed.html" rel="prev" title="Many bugs have been fixed">
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</head>
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<body lang="en">
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<div class="subsection" id="ASDF-itself-is-versioned">
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<div class="header">
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<p>
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Next: <a href="ASDF-can-be-upgraded.html" accesskey="n" rel="next">ASDF can be upgraded</a>, Previous: <a href="Many-bugs-have-been-fixed.html" accesskey="p" rel="prev">Many bugs have been fixed</a>, Up: <a href="What-has-changed-between-ASDF-1-ASDF-2-and-ASDF-3_003f.html" accesskey="u" rel="up">“What has changed between ASDF 1, ASDF 2, and ASDF 3?”</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="ASDF-itself-is-versioned-1"></span><h4 class="subsection">13.3.8 ASDF itself is versioned</h4>
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<p>Between new features, old bugs fixed, and new bugs introduced,
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there were various releases of ASDF in the wild,
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and no simple way to check which release had which feature set.
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People using or writing systems had to either make worst-case assumptions
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as to what features were available and worked,
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or take great pains to have the correct version of ASDF installed.
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</p>
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<p>With ASDF 2 and later, we provide a new stable set of working features
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that everyone can rely on from now on.
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Use <code>#+asdf2</code>, <code>#+asdf3</code>, <code>#+asdf3.1</code> or <code>#+asdf3.3</code>
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to detect presence of relevant versions of ASDF and their features, or
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<code>(asdf:version-satisfies (asdf:asdf-version) "2.345.67")</code>
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to check the availability of a version no earlier than required.
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</p>
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</div>
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</body>
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</html>
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