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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>4.9. Bison</title><link rel="stylesheet" type="text/css" href="ws.css"><meta name="generator" content="DocBook XSL Stylesheets V1.79.1"><link rel="home" href="index.html" title="Wireshark Developer&#8217;s Guide"><link rel="up" href="ChapterTools.html" title="Chapter 4. Tool Reference"><link rel="prev" href="ChToolsPerl.html" title="4.8. Perl"><link rel="next" href="ChToolsFlex.html" title="4.10. Flex"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">4.9. Bison</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ChToolsPerl.html">Prev</a> </td><th width="60%" align="center">Chapter 4. Tool Reference</th><td width="20%" align="right"> <a accesskey="n" href="ChToolsFlex.html">Next</a></td></tr></table><hr></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="ChToolsBison"></a>4.9. Bison</h2></div></div></div><p>Bison is a parser generator used for some of Wireshark&#8217;s file format support.</p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="ChToolsUnixBison"></a>4.9.1. UNIX or Cygwin: bison</h3></div></div></div><p>Bison is available for most UNIX-like platforms and as the bison package from
<a class="link" href="ChToolsCygwin.html" title="4.3. Windows: Cygwin">Cygwin</a>. See the next section for native Windows options.</p><p>If GNU Bison isn&#8217;t already installed or available as a package for your
platform you can get it at: <a class="ulink" href="http://www.gnu.org/software/bison/bison.html" target="_top">http://www.gnu.org/software/bison/bison.html</a>.</p><p>After correct installation running the following</p><pre class="screen">$ bison --version</pre><p>should result in something like:</p><pre class="screen">bison (GNU Bison) 2.3
Written by Robert Corbett and Richard Stallman.

Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</pre><p>Your version string may vary.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="ChToolsWindowsBison"></a>4.9.2. Windows Native: Win flex-bison and bison</h3></div></div></div><p>A native Windows version of bison is available in the <span class="emphasis"><em>winflexbison</em></span>
<a class="ulink" href="https://chocolatey.org/" target="_top">Chocolatey</a> package. Note that the executable is named
<code class="literal">win_bison</code>.</p><p>Native packages are available from other sources such as
<a class="ulink" href="http://gnuwin32.sourceforge.net/packages/bison.htm" target="_top">GnuWin</a>. They aren&#8217;t
officially supported but <span class="emphasis"><em>should</em></span> work.</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ChToolsPerl.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ChapterTools.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="ChToolsFlex.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">4.8. Perl </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> 4.10. Flex</td></tr></table></div></body></html>