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+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><!--
+ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+ This file is generated from xml source: DO NOT EDIT
+ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+ -->
+<title>apxs - APache eXtenSion tool - Apache HTTP Server</title>
+<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" />
+<link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" />
+<link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" />
+<link href="../images/favicon.ico" rel="shortcut icon" /></head>
+<body id="manual-page"><div id="page-header">
+<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p>
+<p class="apache">Apache HTTP Server Version 2.0</p>
+<img alt="" src="../images/feather.gif" /></div>
+<div class="up"><a href="./"><img title="&lt;-" alt="&lt;-" src="../images/left.gif" /></a></div>
+<div id="path">
+<a href="http://www.apache.org/">Apache</a> &gt; <a href="http://httpd.apache.org/">HTTP Server</a> &gt; <a href="http://httpd.apache.org/docs/">Documentation</a> &gt; <a href="../">Version 2.0</a> &gt; <a href="./">Programs</a></div><div id="page-content"><div id="preamble"><h1>apxs - APache eXtenSion tool</h1>
+<div class="toplang">
+<p><span>Available Languages: </span><a href="../en/programs/apxs.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="../ko/programs/apxs.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a> |
+<a href="../tr/programs/apxs.html" hreflang="tr" rel="alternate" title="Türkçe">&nbsp;tr&nbsp;</a></p>
+</div>
+
+ <p><code>apxs</code> is a tool for building and installing extension
+ modules for the Apache HyperText Transfer Protocol (HTTP) server. This is
+ achieved by building a dynamic shared object (DSO) from one or more source
+ or object <var>files</var> which then can be loaded into the Apache server
+ under runtime via the <code class="directive"><a href="../mod/mod_so.html#loadmodule">LoadModule</a></code>
+ directive from <code class="module"><a href="../mod/mod_so.html">mod_so</a></code>.</p>
+
+ <p>So to use this extension mechanism your platform has to support the DSO
+ feature and your Apache <code class="program"><a href="../programs/httpd.html">httpd</a></code> binary has to be built with the
+ <code class="module"><a href="../mod/mod_so.html">mod_so</a></code> module. The <code>apxs</code> tool automatically
+ complains if this is not the case. You can check this yourself by manually
+ running the command</p>
+
+ <div class="example"><p><code>
+ $ httpd -l
+ </code></p></div>
+
+ <p>The module <code class="module"><a href="../mod/mod_so.html">mod_so</a></code> should be part of the displayed list.
+ If these requirements are fulfilled you can easily extend your Apache
+ server's functionality by installing your own modules with the DSO mechanism
+ by the help of this <code>apxs</code> tool:</p>
+
+ <div class="example"><p><code>
+ $ apxs -i -a -c mod_foo.c<br />
+ gcc -fpic -DSHARED_MODULE -I/path/to/apache/include -c mod_foo.c<br />
+ ld -Bshareable -o mod_foo.so mod_foo.o<br />
+ cp mod_foo.so /path/to/apache/modules/mod_foo.so<br />
+ chmod 755 /path/to/apache/modules/mod_foo.so<br />
+ [activating module `foo' in /path/to/apache/etc/httpd.conf]<br />
+ $ apachectl restart<br />
+ /path/to/apache/sbin/apachectl restart: httpd not running, trying to start<br />
+ [Tue Mar 31 11:27:55 1998] [debug] mod_so.c(303): loaded module foo_module<br />
+ /path/to/apache/sbin/apachectl restart: httpd started<br />
+ $ _
+ </code></p></div>
+
+ <p>The arguments <var>files</var> can be any C source file (.c), a object
+ file (.o) or even a library archive (.a). The <code>apxs</code> tool
+ automatically recognizes these extensions and automatically used the C
+ source files for compilation while just using the object and archive files
+ for the linking phase. But when using such pre-compiled objects make sure
+ they are compiled for position independent code (PIC) to be able to use them
+ for a dynamically loaded shared object. For instance with GCC you always
+ just have to use <code>-fpic</code>. For other C compilers consult its
+ manual page or at watch for the flags <code>apxs</code> uses to compile the
+ object files.</p>
+
+ <p>For more details about DSO support in Apache read the documentation of
+ <code class="module"><a href="../mod/mod_so.html">mod_so</a></code> or perhaps even read the
+ <code>src/modules/standard/mod_so.c</code> source file.</p>
+</div>
+<div id="quickview"><ul id="toc"><li><img alt="" src="../images/down.gif" /> <a href="#synopsis">Synopsis</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#options">Options</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#examples">Examples</a></li>
+</ul><h3>See also</h3><ul class="seealso"><li><code class="program"><a href="../programs/apachectl.html">apachectl</a></code></li><li><code class="program"><a href="../programs/httpd.html">httpd</a></code></li></ul></div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="synopsis" id="synopsis">Synopsis</a></h2>
+ <p><code><strong>apxs</strong> -<strong>g</strong>
+ [ -<strong>S</strong> <var>name</var>=<var>value</var> ]
+ -<strong>n</strong> <var>modname</var></code></p>
+
+ <p><code><strong>apxs</strong> -<strong>q</strong>
+ [ -<strong>S</strong> <var>name</var>=<var>value</var> ]
+ <var>query</var> ...</code></p>
+
+ <p><code><strong>apxs</strong> -<strong>c</strong>
+ [ -<strong>S</strong> <var>name</var>=<var>value</var> ]
+ [ -<strong>o</strong> <var>dsofile</var> ]
+ [ -<strong>I</strong> <var>incdir</var> ]
+ [ -<strong>D</strong> <var>name</var>=<var>value</var> ]
+ [ -<strong>L</strong> <var>libdir</var> ]
+ [ -<strong>l</strong> <var>libname</var> ]
+ [ -<strong>Wc,</strong><var>compiler-flags</var> ]
+ [ -<strong>Wl,</strong><var>linker-flags</var> ]
+ <var>files</var> ...</code></p>
+
+ <p><code><strong>apxs</strong> -<strong>i</strong>
+ [ -<strong>S</strong> <var>name</var>=<var>value</var> ]
+ [ -<strong>n</strong> <var>modname</var> ]
+ [ -<strong>a</strong> ]
+ [ -<strong>A</strong> ]
+ <var>dso-file</var> ...</code></p>
+
+ <p><code><strong>apxs</strong> -<strong>e</strong>
+ [ -<strong>S</strong> <var>name</var>=<var>value</var> ]
+ [ -<strong>n</strong> <var>modname</var> ]
+ [ -<strong>a</strong> ]
+ [ -<strong>A</strong> ]
+ <var>dso-file</var> ...</code></p>
+</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="options" id="options">Options</a></h2>
+ <h3><a name="options.common" id="options.common">Common Options</a></h3>
+ <dl>
+ <dt><code>-n <var>modname</var></code></dt>
+ <dd>This explicitly sets the module name for the <code>-i</code> (install)
+ and <code>-g</code> (template generation) option. Use this to explicitly
+ specify the module name. For option <code>-g</code> this is required, for
+ option <code>-i</code> the <code>apxs</code> tool tries to determine the
+ name from the source or (as a fallback) at least by guessing it from the
+ filename.</dd>
+ </dl>
+
+
+ <h3><a name="options.query" id="options.query">Query Options</a></h3>
+ <dl>
+ <dt><code>-q</code></dt>
+ <dd>Performs a query for <code>apxs</code>'s knowledge about certain
+ settings. The <var>query</var> parameters can be one or more of the
+ following strings: <code>CC</code>, <code>CFLAGS</code>,
+ <code>CFLAGS_SHLIB</code>, <code>INCLUDEDIR</code>, <code>LD_SHLIB</code>,
+ <code>LDFLAGS_SHLIB</code>, <code>LIBEXECDIR</code>,
+ <code>LIBS_SHLIB</code>, <code>SBINDIR</code>, <code>SYSCONFDIR</code>,
+ <code>TARGET</code>.
+
+ <p>Use this for manually determining settings. For instance use</p>
+ <div class="example"><p><code>
+ INC=-I`apxs -q INCLUDEDIR`
+ </code></p></div>
+
+ <p>inside your own Makefiles if you need manual access to Apache's C
+ header files.</p></dd>
+ </dl>
+
+
+ <h3><a name="options.conf" id="options.conf">Configuration Options</a></h3>
+ <dl>
+ <dt><code>-S <var>name</var>=<var>value</var></code></dt>
+ <dd>This option changes the apxs settings described above.</dd>
+ </dl>
+
+
+ <h3><a name="options.template" id="options.template">Template Generation Options</a></h3>
+ <dl>
+ <dt><code>-g</code></dt>
+ <dd>This generates a subdirectory <var>name</var> (see option
+ <code>-n</code>) and there two files: A sample module source file named
+ <code>mod_<var>name</var>.c</code> which can be used as a template for
+ creating your own modules or as a quick start for playing with the
+ apxs mechanism. And a corresponding <code>Makefile</code> for even easier
+ build and installing of this module.</dd>
+ </dl>
+
+
+ <h3><a name="options.dso" id="options.dso">DSO Compilation Options</a></h3>
+ <dl>
+ <dt><code>-c</code></dt>
+ <dd>This indicates the compilation operation. It first compiles the C
+ source files (.c) of <var>files</var> into corresponding object files (.o)
+ and then builds a dynamically shared object in <var>dsofile</var> by
+ linking these object files plus the remaining object files (.o and .a) of
+ <var>files</var>. If no <code>-o</code> option is specified the output
+ file is guessed from the first filename in <var>files</var> and thus
+ usually defaults to <code>mod_<var>name</var>.so</code>.</dd>
+
+ <dt><code>-o <var>dsofile</var></code></dt>
+ <dd>Explicitly specifies the filename of the created dynamically shared
+ object. If not specified and the name cannot be guessed from the
+ <var>files</var> list, the fallback name <code>mod_unknown.so</code> is
+ used.</dd>
+
+ <dt><code>-D <var>name</var>=<var>value</var></code></dt>
+ <dd>This option is directly passed through to the compilation command(s).
+ Use this to add your own defines to the build process.</dd>
+
+ <dt><code>-I <var>incdir</var></code></dt>
+ <dd>This option is directly passed through to the compilation command(s).
+ Use this to add your own include directories to search to the build
+ process.</dd>
+
+ <dt><code>-L <var>libdir</var></code></dt>
+ <dd>This option is directly passed through to the linker command. Use this
+ to add your own library directories to search to the build process.</dd>
+
+ <dt><code>-l <var>libname</var></code></dt>
+ <dd>This option is directly passed through to the linker command. Use this
+ to add your own libraries to search to the build process.</dd>
+
+ <dt><code>-Wc,<var>compiler-flags</var></code></dt>
+ <dd>This option passes <var>compiler-flags</var> as additional flags to
+ the compiler command. Use this to add local compiler-specific options.</dd>
+
+ <dt><code>-Wl,<var>linker-flags</var></code></dt>
+ <dd>This option passes <var>linker-flags</var> as additional flags to
+ the linker command. Use this to add local linker-specific options.</dd>
+ </dl>
+
+
+ <h3><a name="options.dsoinstall" id="options.dsoinstall">DSO Installation and Configuration Options</a></h3>
+
+ <dl>
+ <dt><code>-i</code></dt>
+ <dd>This indicates the installation operation and installs one or more
+ dynamically shared objects into the server's <var>modules</var>
+ directory.</dd>
+
+ <dt><code>-a</code></dt>
+ <dd>This activates the module by automatically adding a corresponding
+ <code class="directive"><a href="../mod/mod_so.html#loadmodule">LoadModule</a></code> line to Apache's
+ <code>httpd.conf</code> configuration file, or by enabling it if it
+ already exists.</dd>
+
+ <dt><code>-A</code></dt>
+ <dd>Same as option <code>-a</code> but the created <code class="directive"><a href="../mod/mod_so.html#loadmodule">LoadModule</a></code> directive is prefixed with a hash
+ sign (<code>#</code>), <em>i.e.</em>, the module is just prepared for
+ later activation but initially disabled.</dd>
+
+ <dt><code>-e</code></dt>
+ <dd>This indicates the editing operation, which can be used with the
+ <code>-a</code> and <code>-A</code> options similarly to the
+ <code>-i</code> operation to edit Apache's <code>httpd.conf</code>
+ configuration file without attempting to install the module.</dd>
+ </dl>
+
+</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="examples" id="examples">Examples</a></h2>
+ <p>Assume you have an Apache module named <code>mod_foo.c</code> available
+ which should extend Apache's server functionality. To accomplish this you
+ first have to compile the C source into a shared object suitable for loading
+ into the Apache server under runtime via the following command:</p>
+
+ <div class="example"><p><code>
+ $ apxs -c mod_foo.c<br />
+ gcc -fpic -DSHARED_MODULE -I/path/to/apache/include -c mod_foo.c<br />
+ ld -Bshareable -o mod_foo.so mod_foo.o<br />
+ $ _
+ </code></p></div>
+
+ <p>Then you have to update the Apache configuration by making sure a
+ <code class="directive"><a href="../mod/mod_so.html#loadmodule">LoadModule</a></code> directive is present to
+ load this shared object. To simplify this step <code>apxs</code> provides
+ an automatic way to install the shared object in its "modules" directory
+ and updating the <code>httpd.conf</code> file accordingly. This can be
+ achieved by running:</p>
+
+ <div class="example"><p><code>
+ $ apxs -i -a mod_foo.c<br />
+ cp mod_foo.so /path/to/apache/modules/mod_foo.so<br />
+ chmod 755 /path/to/apache/modules/mod_foo.so<br />
+ [activating module `foo' in /path/to/apache/etc/httpd.conf]<br />
+ $ _
+ </code></p></div>
+
+ <p>This way a line named</p>
+
+ <div class="example"><p><code>
+ LoadModule foo_module modules/mod_foo.so
+ </code></p></div>
+
+ <p>is added to the configuration file if still not present. If you want to
+ have this disabled per default use the <code>-A</code> option,
+ <em>i.e.</em></p>
+
+ <div class="example"><p><code>
+ $ apxs -i -A mod_foo.c
+ </code></p></div>
+
+ <p>For a quick test of the apxs mechanism you can create a sample Apache
+ module template plus a corresponding Makefile via:</p>
+
+ <div class="example"><p><code>
+ $ apxs -g -n foo<br />
+ Creating [DIR] foo<br />
+ Creating [FILE] foo/Makefile<br />
+ Creating [FILE] foo/mod_foo.c<br />
+ $ _
+ </code></p></div>
+
+ <p>Then you can immediately compile this sample module into a shared object
+ and load it into the Apache server:</p>
+
+ <div class="example"><p><code>
+ $ cd foo<br />
+ $ make all reload<br />
+ apxs -c mod_foo.c<br />
+ gcc -fpic -DSHARED_MODULE -I/path/to/apache/include -c mod_foo.c<br />
+ ld -Bshareable -o mod_foo.so mod_foo.o<br />
+ apxs -i -a -n "foo" mod_foo.so<br />
+ cp mod_foo.so /path/to/apache/modules/mod_foo.so<br />
+ chmod 755 /path/to/apache/modules/mod_foo.so<br />
+ [activating module `foo' in /path/to/apache/etc/httpd.conf]<br />
+ apachectl restart<br />
+ /path/to/apache/sbin/apachectl restart: httpd not running, trying to start<br />
+ [Tue Mar 31 11:27:55 1998] [debug] mod_so.c(303): loaded module foo_module<br />
+ /path/to/apache/sbin/apachectl restart: httpd started<br />
+ $ _
+ </code></p></div>
+
+ <p>You can even use <code>apxs</code> to compile complex modules outside the
+ Apache source tree, like PHP3:</p>
+
+ <div class="example"><p><code>
+ $ cd php3<br />
+ $ ./configure --with-shared-apache=../apache-1.3<br />
+ $ apxs -c -o libphp3.so mod_php3.c libmodphp3-so.a<br />
+ gcc -fpic -DSHARED_MODULE -I/tmp/apache/include -c mod_php3.c<br />
+ ld -Bshareable -o libphp3.so mod_php3.o libmodphp3-so.a<br />
+ $ _
+ </code></p></div>
+
+ <p>because <code>apxs</code> automatically recognized C source files and
+ object files. Only C source files are compiled while remaining object
+ files are used for the linking phase.</p>
+</div></div>
+<div class="bottomlang">
+<p><span>Available Languages: </span><a href="../en/programs/apxs.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="../ko/programs/apxs.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a> |
+<a href="../tr/programs/apxs.html" hreflang="tr" rel="alternate" title="Türkçe">&nbsp;tr&nbsp;</a></p>
+</div><div id="footer">
+<p class="apache">Copyright 2009 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
+<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div>
+</body></html> \ No newline at end of file