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<title>Output Configuration Directories (ASDF Manual)</title>
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Next: <a href="Output-Shell_002dfriendly-syntax-for-configuration.html" accesskey="n" rel="next">Shell-friendly syntax for configuration</a>, Previous: <a href="Output-Configuration-DSL.html" accesskey="p" rel="prev">Configuration DSL</a>, Up: <a href="Controlling-where-ASDF-saves-compiled-files.html" accesskey="u" rel="up">Controlling where ASDF saves compiled files</a> &nbsp; [<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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<hr>
<span id="Configuration-Directories-2"></span><h3 class="section">9.4 Configuration Directories</h3>
<p>Configuration directories consist of files, each of which contains
a list of directives without any enclosing
<code>(:output-translations ...)</code> form.
The files will be sorted by namestring as if by <code>string&lt;</code> and
the lists of directives of these files with be concatenated in order.
An implicit <code>:inherit-configuration</code> will be included
at the <em>end</em> of the list.
</p>
<p>System-wide or per-user Common Lisp software distributions
such as Debian packages or some future version of <code>clbuild</code>
may then include files such as
<samp>/etc/common-lisp/asdf-output-translations.conf.d/10-foo.conf</samp> or
<samp>~/.config/common-lisp/asdf-output-translations.conf.d/10-foo.conf</samp>
to easily and modularly register configuration information
about software being distributed.
</p>
<p>The convention is that, for sorting purposes,
the names of files in such a directory begin with two digits
that determine the order in which these entries will be read.
Also, the type of these files must be <samp>.conf</samp>,
which not only simplifies the implementation by allowing
for more portable techniques in finding those files,
but also makes it trivial to disable a file, by renaming it to a different file type.
</p>
<p>Directories may be included by specifying a directory pathname
or namestring in an <code>:include</code> directive, e.g.:
</p>
<pre class="verbatim"> (:include &quot;/foo/bar/&quot;)
</pre>
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