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<h4 class="subsection">G.1.1 Obtaining the Depencies Automatically</h4>
<p>On some systems you can obtain many of Octave's build dependencies
automatically. The commands for doing this vary by system. Similarly,
the names of pre-compiled packages vary by system and do not always
match exactly the names listed in <a href="Build-Tools.html#Build-Tools">Build Tools</a> and <a href="External-Packages.html#External-Packages">External Packages</a>.
<p>You will usually need the development version of an external dependency
so that you get the libraries and header files for building software,
not just for running already compiled programs. These packages
typically have names that end with the suffix <code>-dev</code> or <code>-devel</code>.
<p>On systems with <code>apt-get</code> (Debian, Ubuntu, etc.), you may be able
to install most of the tools and external packages using a command
similar to
<pre class="example"> apt-get build-dep octave
</pre>
<p class="noindent">The specific package name may be <code>octave3.2</code> or <code>octave3.4</code>.
The set of required tools and external dependencies does not change
frequently, so it is not important that the version match exactly, but
you should use the most recent one available.
<p>On systems with <code>yum</code> (Fedora, Red Hat, etc.), you may be able to
install most of the tools and external packages using a command similar to
<pre class="example"> yum-builddep octave
</pre>
<p class="noindent">The <code>yum-builddep</code> utility is part of the <code>yum-utils</code> package.
<p>For either type of system, the package name may include a version
number. The set of required tools and external dependencies does not
change frequently, so it is not important that the version exactly match
the version you are installing, but you should use the most recent one
available.
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