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<dt>Revision</dt> <dd><a href="http://trac.macports.org/changeset/70013">70013</a></dd>
<dt>Author</dt> <dd>jmr@macports.org</dd>
<dt>Date</dt> <dd>2010-07-26 04:23:22 -0700 (Mon, 26 Jul 2010)</dd>
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<h3>Log Message</h3>
<pre>guide: update dependencies section</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkdocnewguidexmlportfiledependenciesxml">trunk/doc-new/guide/xml/portfile-dependencies.xml</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkdocnewguidexmlportfiledependenciesxml"></a>
<div class="modfile"><h4>Modified: trunk/doc-new/guide/xml/portfile-dependencies.xml (70012 => 70013)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/doc-new/guide/xml/portfile-dependencies.xml 2010-07-26 11:20:36 UTC (rev 70012)
+++ trunk/doc-new/guide/xml/portfile-dependencies.xml 2010-07-26 11:23:22 UTC (rev 70013)
</span><span class="lines">@@ -8,35 +8,56 @@
</span><span class="cx"> often require that other ports be installed beforehand; these prerequisites
</span><span class="cx"> for a given port are called a port's <quote>dependencies</quote>.</para>
</span><span class="cx">
</span><del>- <para>The three keywords used when specifying dependencies in a Portfile are
</del><ins>+ <para>The keywords used when specifying dependencies in a Portfile are
</ins><span class="cx"> related to port install phases, and they refer to what are called library,
</span><del>- build, and run dependencies. Though all of them install dependencies before
- a given port is installed, specifying dependencies with the correct keyword
- is important for proper port upgrade and uninstall behavior. For example,
- you may not uninstall a port that is a library dependency for another port,
- though you may remove one that is a build dependency; likewise, upgrading a
- port will upgrade its library and build dependencies also, but not its run
- dependencies.</para>
</del><ins>+ build, fetch, extract and run dependencies. Though all of them install dependencies
+ before a given port is installed, specifying dependencies with the correct keyword
+ is important for proper port upgrade and uninstall behavior, or when running targets
+ other than install. For example,
+ you may not uninstall a port that is a library dependency for another installed port,
+ though you may remove one that is a build dependency. Likewise, if you run the
+ fetch target for a port, only the fetch dependencies will be installed first, so
+ they should be all that is needed for that target.</para>
</ins><span class="cx">
</span><span class="cx"> <variablelist>
</span><span class="cx"> <varlistentry>
</span><del>- <term>depends_lib</term>
</del><ins>+ <term>depends_fetch</term>
</ins><span class="cx">
</span><del>- <term>depends_lib-append</term>
</del><ins>+ <term>depends_fetch-append</term>
</ins><span class="cx">
</span><del>- <term>depends_lib-delete</term>
</del><ins>+ <term>depends_fetch-delete</term>
</ins><span class="cx">
</span><span class="cx"> <listitem>
</span><span class="cx"> <para>The list of dependencies to check before phases
</span><ins>+ <option>fetch</option>, <option>checksum</option>,
+ <option>extract</option>, <option>patch</option>,
</ins><span class="cx"> <option>configure</option>, <option>build</option>,
</span><span class="cx"> <option>destroot</option>, <option>install</option>, and
</span><del>- <option>package</option>. Library dependencies are needed both at
- build time (for headers and libraries to link against) and at run
- time.</para>
</del><ins>+ <option>package</option>. Fetch dependencies are needed to download
+ the distfiles for a port, and are not needed at all once the software
+ is installed.</para>
</ins><span class="cx"> </listitem>
</span><span class="cx"> </varlistentry>
</span><span class="cx">
</span><span class="cx"> <varlistentry>
</span><ins>+ <term>depends_extract</term>
+
+ <term>depends_extract-append</term>
+
+ <term>depends_extract-delete</term>
+
+ <listitem>
+ <para>The list of dependencies to check before phases
+ <option>extract</option>, <option>patch</option>,
+ <option>configure</option>, <option>build</option>,
+ <option>destroot</option>, <option>install</option>, and
+ <option>package</option>. Extract dependencies are needed to unpack a
+ port's distfiles into the work directory, and are not needed at all once
+ the software is installed.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
</ins><span class="cx"> <term>depends_build</term>
</span><span class="cx">
</span><span class="cx"> <term>depends_build-append</term>
</span><span class="lines">@@ -48,12 +69,28 @@
</span><span class="cx"> <option>configure</option>, <option>build</option>,
</span><span class="cx"> <option>destroot</option>, <option>install</option>, and
</span><span class="cx"> <option>package</option>. Build dependencies are needed when software
</span><del>- is compiled, but not needed at all once the software is compiled and
- installed.</para>
</del><ins>+ is being built, but not needed at all once it is installed.</para>
</ins><span class="cx"> </listitem>
</span><span class="cx"> </varlistentry>
</span><span class="cx">
</span><span class="cx"> <varlistentry>
</span><ins>+ <term>depends_lib</term>
+
+ <term>depends_lib-append</term>
+
+ <term>depends_lib-delete</term>
+
+ <listitem>
+ <para>The list of dependencies to check before phases
+ <option>configure</option>, <option>build</option>,
+ <option>destroot</option>, <option>install</option>, and
+ <option>package</option>. Library dependencies are needed both at
+ build time (for headers and libraries to link against) and at run
+ time.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
</ins><span class="cx"> <term>depends_run</term>
</span><span class="cx">
</span><span class="cx"> <term>depends_run-append</term>
</span></span></pre>
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