130 lines
6.1 KiB
HTML
130 lines
6.1 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Created by GNU Texinfo 6.8, https://www.gnu.org/software/texinfo/ -->
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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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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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
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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-->
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<title>Controlling where ASDF saves compiled files (ASDF Manual)</title>
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<meta name="description" content="Controlling where ASDF saves compiled files (ASDF Manual)">
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<meta name="keywords" content="Controlling where ASDF saves compiled files (ASDF Manual)">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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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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<link href="Error-handling.html" rel="next" title="Error handling">
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<link href="Controlling-where-ASDF-searches-for-systems.html" rel="prev" title="Controlling where ASDF searches for systems">
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<style type="text/css">
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-->
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</style>
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</head>
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<body lang="en">
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<div class="chapter" id="Controlling-where-ASDF-saves-compiled-files">
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<div class="header">
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<p>
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Next: <a href="Error-handling.html" accesskey="n" rel="next">Error handling</a>, Previous: <a href="Controlling-where-ASDF-searches-for-systems.html" accesskey="p" rel="prev">Controlling where ASDF searches for systems</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="Controlling-where-ASDF-saves-compiled-files-1"></span><h2 class="chapter">9 Controlling where ASDF saves compiled files</h2>
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<span id="index-asdf_002doutput_002dtranslations"></span>
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<span id="index-ASDF_005fOUTPUT_005fTRANSLATIONS"></span>
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<p>Each Common Lisp implementation has its own format
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for compiled files or fasls.<a id="DOCF14" href="Controlling-where-ASDF-saves-compiled-files.html#FOOT14"><sup>14</sup></a>
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If you use multiple implementations
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(or multiple versions of the same implementation),
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you’ll soon find your source directories
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littered with various <samp>fasl</samp>s, <samp>dfsl</samp>s, <samp>cfsl</samp>s and so
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on.
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Worse yet, multiple implementations use the same file extension and
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some implementations maintain the same file extension
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while changing formats from version to version (or platform to
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platform).
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This can lead to many errors and much confusion
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as you switch from one implementation to the next.
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Finally, this requires write access to the source directory,
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and therefore precludes sharing of a same source code directory between multiple users.
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</p>
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<p>Since ASDF 2, ASDF includes the <code>asdf-output-translations</code> facility
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to mitigate the problem.
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</p>
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<ul class="section-toc">
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<li><a href="Output-Configurations.html" accesskey="1">Configurations</a></li>
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<li><a href="Output-Backward-Compatibility.html" accesskey="2">Backward Compatibility</a></li>
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<li><a href="Output-Configuration-DSL.html" accesskey="3">Configuration DSL</a></li>
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<li><a href="Output-Configuration-Directories.html" accesskey="4">Configuration Directories</a></li>
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<li><a href="Output-Shell_002dfriendly-syntax-for-configuration.html" accesskey="5">Shell-friendly syntax for configuration</a></li>
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<li><a href="Semantics-of-Output-Translations.html" accesskey="6">Semantics of Output Translations</a></li>
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<li><a href="Output-Caching-Results.html" accesskey="7">Caching Results</a></li>
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<li><a href="Output-location-API.html" accesskey="8">Output location API</a></li>
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<li><a href="Credits-for-output-translations.html" accesskey="9">Credits for output translations</a></li>
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</ul>
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</div>
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<div class="footnote">
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<hr>
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<h4 class="footnotes-heading">Footnotes</h4>
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<h5><a id="FOOT14" href="Controlling-where-ASDF-saves-compiled-files.html#DOCF14">(14)</a></h5>
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<p>“FASL” is short for “FASt Loading.”</p>
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</div>
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</body>
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</html>
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