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<title>Building Kerberos V5 — MIT Kerberos Documentation</title>
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<h1><a href="../index.html">MIT Kerberos Documentation</a></h1>
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<section id="building-kerberos-v5">
<span id="build-v5"></span><h1>Building Kerberos V5<a class="headerlink" href="#building-kerberos-v5" title="Link to this heading">¶</a></h1>
<p>This section details how to build and install MIT Kerberos software
from the source.</p>
<section id="prerequisites">
<h2>Prerequisites<a class="headerlink" href="#prerequisites" title="Link to this heading">¶</a></h2>
<p>In order to build Kerberos V5, you will need approximately 60-70
megabytes of disk space. The exact amount will vary depending on the
platform and whether the distribution is compiled with debugging
symbol tables or not.</p>
<p>Your C compiler must conform to ANSI C (ISO/IEC 9899:1990, “c89”).
Some operating systems do not have an ANSI C compiler, or their
default compiler requires extra command-line options to enable ANSI C
conformance.</p>
<p>If you wish to keep a separate build tree, which contains the compiled
*.o file and executables, separate from your source tree, you will
need a make program which supports <strong>VPATH</strong>, or you will need to use
a tool such as lndir to produce a symbolic link tree for your build
tree.</p>
</section>
<section id="obtaining-the-software">
<h2>Obtaining the software<a class="headerlink" href="#obtaining-the-software" title="Link to this heading">¶</a></h2>
<p>The source code can be obtained from MIT Kerberos Distribution page,
at <a class="reference external" href="https://kerberos.org/dist/index.html">https://kerberos.org/dist/index.html</a>.
The MIT Kerberos distribution comes in an archive file, generally
named krb5-VERSION-signed.tar, where <em>VERSION</em> is a placeholder for
the major and minor versions of MIT Kerberos. (For example, MIT
Kerberos 1.9 has major version “1” and minor version “9”.)</p>
<p>The krb5-VERSION-signed.tar contains a compressed tar file consisting
of the sources for all of Kerberos (generally named
krb5-VERSION.tar.gz) and a PGP signature file for this source tree
(generally named krb5-VERSION.tar.gz.asc). MIT highly recommends that
you verify the integrity of the source code using this signature,
e.g., by running:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">tar</span> <span class="n">xf</span> <span class="n">krb5</span><span class="o">-</span><span class="n">VERSION</span><span class="o">-</span><span class="n">signed</span><span class="o">.</span><span class="n">tar</span>
<span class="n">gpg</span> <span class="o">--</span><span class="n">verify</span> <span class="n">krb5</span><span class="o">-</span><span class="n">VERSION</span><span class="o">.</span><span class="n">tar</span><span class="o">.</span><span class="n">gz</span><span class="o">.</span><span class="n">asc</span>
</pre></div>
</div>
<p>Unpack krb5-VERSION.tar.gz in some directory. In this section we will assume
that you have chosen the top directory of the distribution the directory
<code class="docutils literal notranslate"><span class="pre">/u1/krb5-VERSION</span></code>.</p>
<p>Review the README file for the license, copyright and other sprecific to the
distribution information.</p>
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<li><a class="reference internal" href="#">Building Kerberos V5</a><ul>
<li><a class="reference internal" href="#prerequisites">Prerequisites</a></li>
<li><a class="reference internal" href="#obtaining-the-software">Obtaining the software</a></li>
<li><a class="reference internal" href="#contents">Contents</a></li>
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<h2>Table of contents</h2>
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<li class="toctree-l1"><a class="reference internal" href="../user/index.html">For users</a></li>
<li class="toctree-l1"><a class="reference internal" href="../admin/index.html">For administrators</a></li>
<li class="toctree-l1"><a class="reference internal" href="../appdev/index.html">For application developers</a></li>
<li class="toctree-l1"><a class="reference internal" href="../plugindev/index.html">For plugin module developers</a></li>
<li class="toctree-l1 current"><a class="current reference internal" href="#">Building Kerberos V5</a><ul>
<li class="toctree-l2"><a class="reference internal" href="directory_org.html">Organization of the source directory</a></li>
<li class="toctree-l2"><a class="reference internal" href="doing_build.html">Doing the build</a></li>
<li class="toctree-l2"><a class="reference internal" href="options2configure.html">Options to <em>configure</em></a></li>
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<li class="toctree-l1"><a class="reference internal" href="../basic/index.html">Kerberos V5 concepts</a></li>
<li class="toctree-l1"><a class="reference internal" href="../formats/index.html">Protocols and file formats</a></li>
<li class="toctree-l1"><a class="reference internal" href="../mitK5features.html">MIT Kerberos features</a></li>
<li class="toctree-l1"><a class="reference internal" href="../build_this.html">How to build this documentation from the source</a></li>
<li class="toctree-l1"><a class="reference internal" href="../about.html">Contributing to the MIT Kerberos Documentation</a></li>
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