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<a name="Build-System-in-the-gcc-Directory"></a>
<h4 class="subsection">6.3.3 Build System in the <samp>gcc</samp> Directory</h4>

<p>FIXME: describe the build system, including what is built in what
stages.  Also list the various source files that are used in the build
process but aren&rsquo;t source files of GCC itself and so aren&rsquo;t documented
below (see <a href="Passes.html#Passes">Passes</a>).
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