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8 <title>configure - Configure the source tree - Apache HTTP Server</title>
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14 <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>
15 <p class="apache">Apache HTTP Server Version 2.1</p>
16 <img alt="" src="../images/feather.gif" /></div>
17 <div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div>
19 <a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs-project/">Documentation</a> > <a href="../">Version 2.1</a> > <a href="./">Programs</a></div><div id="page-content"><div id="preamble"><h1>configure - Configure the source tree</h1>
21 <p><span>Available Languages: </span><a href="../en/programs/configure.html" title="English"> en </a></p>
24 <p>The <code>configure</code> script configures the source tree
25 for compiling and installing the Apache HTTP Server on your
26 particular platform. Various options allow the compilation of a
27 server corresponding to your personal requirements.</p>
29 <p>This script, included in the root directory of the distribution,
30 is for compilation on Unix and Unix-like systems only. For other
31 platforms, see the <a href="../platform/">platform</a>
34 <div id="quickview"><ul id="toc"><li><img alt="" src="../images/down.gif" /> <a href="#synopsis">Synopsis</a></li>
35 <li><img alt="" src="../images/down.gif" /> <a href="#options">Options</a></li>
36 <li><img alt="" src="../images/down.gif" /> <a href="#env">Environment variables</a></li>
37 </ul><h3>See also</h3><ul class="seealso"><li><a href="../install.html">Compiling and Installing</a></li></ul></div>
38 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
40 <h2><a name="synopsis" id="synopsis">Synopsis</a></h2>
41 <p>You should call the <code>configure</code> script from within the
42 root directory of the distribution.</p>
44 <p><code><strong>./configure</strong> [<var>OPTION</var>]...
45 [<var>VAR</var>=<var>VALUE</var>]...</code></p>
47 <p>To assign environment variables (e.g. <code>CC</code>,
48 <code>CFLAGS</code> ...), specify them as
49 <code><var>VAR</var>=<var>VALUE</var></code>. See <a href="#env">below</a>
50 for descriptions of some of the useful variables.</p>
51 </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
53 <h2><a name="options" id="options">Options</a></h2>
55 <li><a href="#configurationoptions">Configuration options</a></li>
56 <li><a href="#installationdirectories">Installation directories</a></li>
57 <li><a href="#systemtypes">System types</a></li>
58 <li><a href="#optionalfeatures">Optional features</a></li>
59 <li><a href="#supportopt">Options for support programs</a></li>
62 <h3><a name="configurationoptions" id="configurationoptions">Configuration options</a></h3>
64 <p>The following options influence the behavior of
65 <code>configure</code> itself.</p>
68 <dt><code>-C</code></dt>
69 <dt><code>--config-cache</code></dt>
70 <dd>This is an alias for <code>--cache-file=config.cache</code></dd>
72 <dt><code>--cache-file=<var>FILE</var></code></dt>
73 <dd>The test results will be cached in file <var>FILE</var>.
74 This option is disabled by default.</dd>
76 <dt><code>-h</code></dt>
77 <dt><code>--help [short|recursive]</code></dt>
78 <dd>Output the help and exit. With the argument <code>short</code> only
79 options specific to this package will displayed. The argument
80 <code>recursive</code> displays the short help of all the included
83 <dt><code>-n</code></dt>
84 <dt><code>--no-create</code></dt>
85 <dd>The <code>configure</code> script is run normally but does
86 not create output files. This is useful to check the test results
87 before generating makefiles for compilation.</dd>
89 <dt><code>-q</code></dt>
90 <dt><code>--quiet</code></dt>
91 <dd>Do not print <code>checking ...</code> messages during the
92 configure process.</dd>
94 <dt><code>--srcdir=<var>DIR</var></code></dt>
95 <dd>Defines directory <var>DIR</var> to be the source file directory.
96 Default is the directory, where configure is located, or the parent
97 directory <code>..</code>.</dd>
99 <dt><code>--silent</code></dt>
100 <dd>Same as <code>--quiet</code></dd>
104 <dd>Display copyright information and exit.</dd>
108 <h3><a name="installationdirectories" id="installationdirectories">Installation
111 <p>These options define the installation directory. The installation
112 tree depends on the selected layout.</p>
115 <dt><code>--prefix=<var>PREFIX</var></code></dt>
116 <dd>Install architecture-independent files in <var>PREFIX</var>.
117 By default the installation directory is set to
118 <code>/usr/local/apache2</code>.</dd>
120 <dt><code>--exec-prefix=<var>EPREFIX</var></code></dt>
121 <dd>Install architecture-dependent files in <var>EPREFIX</var>.
122 By default the installation directory is set to the
123 <var>PREFIX</var> directory.</dd>
126 <p>By default, <code>make install</code> will install all the files in
127 <code>/usr/local/apache2/bin</code>, <code>/usr/local/apache2/lib</code>
128 etc. You can specify an installation prefix other than
129 <code>/usr/local/apache2</code> using <code>--prefix</code>,
130 for instance <code>--prefix=$HOME</code>.</p>
132 <h4><a name="layout" id="layout">Define a directory layout</a></h4>
135 <dt><code>--enable-layout=<var>LAYOUT</var></code></dt>
136 <dd>Configure the source code and build scripts to assume an
137 installation tree based on the layout <var>LAYOUT</var>. The default
138 layout is <code>Apache</code>.</dd>
142 <h4><a name="directoryfinetuning" id="directoryfinetuning">Fine tuning of the installation
145 <p>For better control of the installation directories, use the options
146 below. Please note that the directory defaults are set by
147 <code>autoconf</code> and be overwritten by the corresponding layout
152 <dt><code>--bindir=<var>DIR</var></code></dt>
153 <dd>Install user executables in <var>DIR</var>. The user executables
154 are supporting programs like <code>htpasswd</code>,
155 <code>dbmmanage</code>, etc. which are useful for site
156 administrators. By default <var>DIR</var> is set to
157 <code><var>EPREFIX</var>/bin</code>.</dd>
159 <dt><code>--datadir=<var>DIR</var></code></dt>
160 <dd>Install read-only architecture-independent data in <var>DIR</var>.
161 By default <code>datadir</code> is set to
162 <code><var>PREFIX</var>/share</code>. This option is offered by
163 <code>autoconf</code> and currently unused.</dd>
165 <dt><code>--includedir=<var>DIR</var></code></dt>
166 <dd>Install C header files in <var>DIR</var>. By default
167 <code>includedir</code> is set to
168 <code><var>EPREFIX</var>/include</code>.</dd>
170 <dt><code>--infodir=<var>DIR</var></code></dt>
171 <dd>Install info documentation in <var>DIR</var>.
172 By default <code>infodir</code> is set to
173 <code><var>PREFIX</var>/info</code>. This option is currently
176 <dt><code>--libdir=<var>DIR</var></code></dt>
177 <dd>Install object code libraries in <var>DIR</var>. By default
178 <code>libdir</code> is set to
179 <code><var>EPREFIX</var>/lib</code>.</dd>
181 <dt><code>--libexecdir=<var>DIR</var></code></dt>
182 <dd>Install the program executables (i.e., shared modules) in
183 <var>DIR</var>. By default <code>libexecdir</code> is set to
184 <code><var>EPREFIX</var>/libexec</code>.</dd>
186 <dt><code>--localstatedir=<var>DIR</var></code></dt>
187 <dd>Install modifiable single-machine data in <var>DIR</var>.
188 By default <code>localstatedir</code> is set to
189 <code><var>PREFIX</var>/var</code>. This option is offered by
190 <code>autoconf</code> and currently unused.</dd>
192 <dt><code>--mandir=<var>DIR</var></code></dt>
193 <dd>Install the man documentation in <var>DIR</var>. By default
194 <code>mandir</code> is set to
195 <code><var>EPREFIX</var>/man</code>.</dd>
197 <dt><code>--oldincludedir=<var>DIR</var></code></dt>
198 <dd>Install C header files for non-gcc in <var>DIR</var>.
199 By default <code>oldincludedir</code> is set to
200 <code>/usr/include</code>. This option is offered by
201 <code>autoconf</code> and currently unused.</dd>
203 <dt><code>--sbindir=<var>DIR</var></code></dt>
204 <dd>Install the system administrator executables in <var>DIR</var>.
205 Those are server programs like <code>httpd</code>,
206 <code>apachectl</code>, <code>suexec</code>, etc. which are neccessary
207 to run the Apache HTTP Server. By default <code>sbindir</code> is
208 set to <code><var>EPREFIX</var>/sbin</code>.</dd>
210 <dt><code>--sharedstatedir=<var>DIR</var></code></dt>
211 <dd>Install modifiable architecture-independent data in <var>DIR</var>.
212 By default <code>sharedstatedir</code> is set to
213 <code><var>PREFIX</var>/com</code>. This option is offered by
214 <code>autoconf</code> and currently unused.</dd>
216 <dt><code>--sysconfdir=<var>DIR</var></code></dt>
217 <dd>Install read-only single-machine data like the server configuration
218 files <code>httpd.conf</code>, <code>mime.types</code>, etc. in
219 <var>DIR</var>. By default <code>sysconfdir</code> is set to
220 <code><var>PREFIX</var>/etc</code>.</dd>
225 <h3><a name="systemtypes" id="systemtypes">System types</a></h3>
227 <p>These options are used to cross-compile the Apache HTTP Server to run on
228 another system. In normal cases, when building and running the server on
229 the same system, these options are not used.</p>
232 <dt><code>--build=<var>BUILD</var></code></dt>
233 <dd>Defines the system type of the system on which the tools are being
234 built. It defaults to the result of the script
235 <code>config.guess</code>.</dd>
237 <dt><code>--host=<var>HOST</var></code></dt>
238 <dd>Defines the system type of the system on which the server will run.
239 <var>HOST</var> defaults to <var>BUILD</var>.</dd>
241 <dt><code>--target=<var>TARGET</var></code></dt>
242 <dd>Configure for building compilers for the system type
243 <var>TARGET</var>. It defaults to <var>HOST</var>. This option is
244 offered by <code>autoconf</code> and not necessary for the Apache HTTP
249 <h3><a name="optionalfeatures" id="optionalfeatures">Optional Features</a></h3>
251 <p>These options are used to fine tune the features your HTTP server will
254 <h4><a name="generaloptfeat" id="generaloptfeat">General syntax</a></h4>
255 <p>Generally you can use the following syntax to enable or disable a
259 <dt><code>--disable-<var>FEATURE</var></code></dt>
260 <dd>Do not include <var>FEATURE</var>. This is the same as
261 <code>--enable-<var>FEATURE</var>=no</code>.</dd>
263 <dt><code>--enable-<var>FEATURE</var>[=<var>ARG</var>]</code></dt>
264 <dd>Include <var>FEATURE</var>. The default value for <var>ARG</var>
265 is <code>yes</code>.</dd>
267 <dt><code>--enable-<var>MODULE</var>=shared</code></dt>
268 <dd>The corresponding module will be build as DSO module.</dd>
270 <dt><code>--enable-<var>MODULE</var>=static</code></dt>
271 <dd>By default enabled modules are linked statically. You can force
272 this explicitly.</dd>
276 <h4><a name="modules" id="modules">Enable or disable discrete modules</a></h4>
277 <p>Some modules are compiled by default and have to be disabled
278 explicitly while other modules have to be enabled explicitly or by
279 using the keywords <code>most</code> or <code>all</code> (see
280 <code>--enable-mods-shared</code> below for further explanation) to be
281 available. Therefore use the options below.</p>
284 <dt><code>--disable-actions</code></dt>
285 <dd>Disable action triggering on requests, which is provided by
286 <code class="module"><a href="../mod/mod_actions.html">mod_actions</a></code>.</dd>
288 <dt><code>--disable-alias</code></dt>
289 <dd>Disable the mapping of requests to different parts of the filesystem,
290 which is provided by <code class="module"><a href="../mod/mod_alias.html">mod_alias</a></code>.</dd>
292 <dt><code>--disable-asis</code></dt>
293 <dd>Disable support for as-is filetypes, which is provided by
294 <code class="module"><a href="../mod/mod_asis.html">mod_asis</a></code>.</dd>
296 <dt><code>--disable-auth</code></dt>
297 <dd>Disable user-based access control provided by
298 <code class="module"><a href="../mod/mod_auth.html">mod_auth</a></code>.</dd>
300 <dt><code>--disable-autoindex</code></dt>
301 <dd>Disable the directory listing functionality provided by
302 <code class="module"><a href="../mod/mod_autoindex.html">mod_autoindex</a></code>.</dd>
304 <dt><code>--disable-access</code></dt>
305 <dd>Disable host-based access control provided by
306 <code class="module"><a href="../mod/mod_access.html">mod_access</a></code>.</dd>
308 <dt><code>--disable-cgi</code></dt>
309 <dd><code class="module"><a href="../mod/mod_cgi.html">mod_cgi</a></code>, which provides support for CGI scripts, is
310 enabled by default when using a non-threaded MPM. Use this option to
311 disable CGI support.</dd>
313 <dt><code>--disable-cgid</code></dt>
314 <dd>When using the threaded MPMs <code class="module"><a href="../mod/worker.html">worker</a></code> or
315 <code class="module"><a href="../mod/perchild.html">perchild</a></code> support for CGI scripts is provided by
316 <code class="module"><a href="../mod/mod_cgid.html">mod_cgid</a></code> by default. To disable CGI support use this
319 <dt><code>--disable-charset-lite</code></dt>
320 <dd>Disable character set translation provided by
321 <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code>. This module will be installed by
322 default only on EBCDIC systems.</dd>
324 <dt><code>--disable-dir</code></dt>
325 <dd>Disable directory request handling provided by
326 <code class="module"><a href="../mod/mod_dir.html">mod_dir</a></code>.</dd>
328 <dt><code>--disable-env</code></dt>
329 <dd>Enable setting and clearing of environment variables, which is
330 provided by <code class="module"><a href="../mod/mod_env.html">mod_env</a></code>.</dd>
333 <dt><code>--disable-http</code></dt>
334 <dd>Disable the HTTP protocol handling. The <code>http</code> module is
335 a basic one, enabling the server to function as an HTTP server. It is
336 only useful to disable it if you want to use another protocol module
337 instead. <strong>Don't disable this module unless you are really sure
338 what you are doing.</strong><br />
339 Note: This module will always be linked statically.</dd>
341 <dt><code>--disable-imap</code></dt>
342 <dd>Disable support for server based imagemaps, which provided by
343 <code class="module"><a href="../mod/mod_imap.html">mod_imap</a></code>.</dd>
345 <dt><code>--disable-include</code></dt>
346 <dd>Disable Server Side Includes provided by
347 <code class="module"><a href="../mod/mod_include.html">mod_include</a></code>.</dd>
349 <dt><code>--disable-log-config</code></dt>
350 <dd>Disable the logging configuration provided by
351 <code class="module"><a href="../mod/mod_log_config.html">mod_log_config</a></code>.</dd>
353 <dt><code>--disable-mime</code></dt>
354 <dd>Disable the mapping of file-extensions to MIME, which is provided by
355 <code class="module"><a href="../mod/mod_mime.html">mod_mime</a></code>.</dd>
357 <dt><code>--disable-negotiation</code></dt>
358 <dd>Disable content negotiation provided by
359 <code class="module"><a href="../mod/mod_negotiation.html">mod_negotiation</a></code>.</dd>
361 <dt><code>--disable-setenvif</code></dt>
362 <dd>Disable support for basing environment variables on headers, which
363 is provided by <code class="module"><a href="../mod/mod_setenvif.html">mod_setenvif</a></code>.</dd>
365 <dt><code>--disable-status</code></dt>
366 <dd>Enable the process/thread monitoring, which is provided by
367 <code class="module"><a href="../mod/mod_status.html">mod_status</a></code>.</dd>
369 <dt><code>--disable-userdir</code></dt>
370 <dd>Disable the mapping of requests to user-specific directories, which
371 is provided by <code class="module"><a href="../mod/mod_userdir.html">mod_userdir</a></code>.</dd>
373 <dt><code>--enable-auth-anon</code></dt>
374 <dd>Enable anonymous user access provided by
375 <code class="module"><a href="../mod/mod_auth_anon.html">mod_auth_anon</a></code>.</dd>
377 <dt><code>--enable-auth-dbm</code></dt>
378 <dd>Enable support for DBM-based access databases provided by
379 <code class="module"><a href="../mod/mod_auth_dbm.html">mod_auth_dbm</a></code>.</dd>
381 <dt><code>--enable-auth-digest</code></dt>
382 <dd>Enable RFC2617 Digest authentication provided by
383 <code class="module"><a href="../mod/mod_auth_digest.html">mod_auth_digest</a></code>.</dd>
385 <dt><code>--enable-auth-ldap</code></dt>
386 <dd>Enable LDAP based authentication provided by
387 <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code>.</dd>
390 <dt><code>--enable-bucketeer</code></dt>
391 <dd>Enable manipulation filter the manipulation filter for buckets,
392 which is provided by <code>mod_bucketeer</code>.</dd>
394 <dt><code>--enable-cache</code></dt>
395 <dd>Enable dynamic file caching provided by
396 <code class="module"><a href="../mod/mod_cache.html">mod_cache</a></code>.</dd>
399 <dt><code>--enable-case-filter</code></dt>
400 <dd>Enable the example uppercase conversion output filter support of
401 <code>mod_case_filter</code>.</dd>
404 <dt><code>--enable-case-filter-in</code></dt>
405 <dd>Enable the example uppercase conversion input filter support of
406 <code>mod_case_filter_in</code>.</dd>
408 <dt><code>--enable-cern-meta</code></dt>
409 <dd>Enable the CERN-type meta files support provided by
410 <code class="module"><a href="../mod/mod_cern_meta.html">mod_cern_meta</a></code>.</dd>
412 <dt><code>--enable-charset-lite</code></dt>
413 <dd>Enable character set translation provided by
414 <code class="module"><a href="../mod/mod_charset_lite.html">mod_charset_lite</a></code>. This module will be installed by
415 default only on EBCDIC systems. On other systems, you have to enable
418 <dt><code>--enable-dav</code></dt>
419 <dd>Enable the WebDAV protocol handling provided by
420 <code class="module"><a href="../mod/mod_dav.html">mod_dav</a></code>. Support for filesystem resources is
421 provided by the seperate module <code class="module"><a href="../mod/mod_dav_fs.html">mod_dav_fs</a></code>. This
422 module is also automatically enabled with
423 <code>--enable-dav</code>.<br />
424 Note: <code class="module"><a href="../mod/mod_dav.html">mod_dav</a></code> can only be used together with the
425 <code>http</code> protocol module.</dd>
427 <dt><code>--enable-dav-fs</code></dt>
428 <dd>Enable DAV support for filesystem resources, which is provides by
429 <code class="module"><a href="../mod/mod_dav_fs.html">mod_dav_fs</a></code>. This module is a provider for the
430 <code class="module"><a href="../mod/mod_dav.html">mod_dav</a></code> module, so you should also use
431 <code>--enable-dav</code>.</dd>
433 <dt><code>--enable-deflate</code></dt>
434 <dd>Enable deflate transfer encoding provided by
435 <code class="module"><a href="../mod/mod_deflate.html">mod_deflate</a></code>.</dd>
437 <dt><code>--enable-disk-cache</code></dt>
438 <dd>Enable disk caching provided by
439 <code class="module"><a href="../mod/mod_disk_cache.html">mod_disk_cache</a></code>.</dd>
441 <dt><code>--enable-echo</code></dt>
442 <dd>Enable the ECHO server provided by
443 <code class="module"><a href="../mod/mod_echo.html">mod_echo</a></code>.</dd>
445 <dt><code>--enable-example</code></dt>
446 <dd>Enable the example and demo module
447 <code class="module"><a href="../mod/mod_example.html">mod_example</a></code>.</dd>
449 <dt><code>--enable-expires</code></dt>
450 <dd>Enable Expires header control provided by
451 <code class="module"><a href="../mod/mod_expires.html">mod_expires</a></code>.</dd>
453 <dt><code>--enable-ext-filter</code></dt>
454 <dd>Enable the external filter support provided by
455 <code class="module"><a href="../mod/mod_ext_filter.html">mod_ext_filter</a></code>.</dd>
457 <dt><code>--enable-file-cache</code></dt>
458 <dd>Enable the file cache provided by
459 <code class="module"><a href="../mod/mod_file_cache.html">mod_file_cache</a></code>.</dd>
461 <dt><code>--enable-headers</code></dt>
462 <dd>Enable control of HTTP headers provided by
463 <code class="module"><a href="../mod/mod_headers.html">mod_headers</a></code>.</dd>
465 <dt><code>--enable-info</code></dt>
466 <dd>Enable the server information provided by
467 <code class="module"><a href="../mod/mod_info.html">mod_info</a></code>.</dd>
469 <dt><code>--enable-ldap</code></dt>
470 <dd>Enable LDAP caching and connection pooling services provided by
471 <code class="module"><a href="../mod/mod_ldap.html">mod_ldap</a></code>.</dd>
473 <dt><code>--enable-logio</code></dt>
474 <dd>Enable logging of input and output bytes including headers provided
475 by <code class="module"><a href="../mod/mod_logio.html">mod_logio</a></code>.</dd>
477 <dt><code>--enable-mem-cache</code></dt>
478 <dd>Enable memory caching provided by
479 <code class="module"><a href="../mod/mod_mem_cache.html">mod_mem_cache</a></code>.</dd>
481 <dt><code>--enable-mime-magic</code></dt>
482 <dd>Enable automatical determining of MIME types, which is provided by
483 <code class="module"><a href="../mod/mod_mime_magic.html">mod_mime_magic</a></code>.</dd>
485 <dt><code>--enable-isapi</code></dt>
486 <dd>Enable the isapi extension support provided by
487 <code class="module"><a href="../mod/mod_isapi.html">mod_isapi</a></code>.</dd>
490 <dt><code>--enable-optional-fn-export</code></dt>
491 <dd>Enable the example for an optional function exporter, which is
492 provided by <code>mod_optional_fn_export</code>.</dd>
495 <dt><code>--enable-optional-fn-import</code></dt>
496 <dd>Enable the example for an optional function importer, which is
497 provided by <code>mod_optional_fn_import</code>.</dd>
500 <dt><code>--enable-optional-hook-export</code></dt>
501 <dd>Enable the example for an optional hook exporter, which is provided
502 by <code>mod_optional_hook_export</code>.</dd>
505 <dt><code>--enable-optional-hook-import</code></dt>
506 <dd>Enable the example optional hook importer, which is provided by
507 <code>mod_optional_hook_import</code>.</dd>
509 <dt><code>--enable-proxy</code></dt>
510 <dd>Enable the proxy/gateway functionality provided by
511 <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code>. The proxying capabilities for
512 <code>CONNECT</code>, <code>FTP</code> and <code>HTTP</code> are
513 provided by the seperate modules <code class="module"><a href="../mod/mod_proxy_connect.html">mod_proxy_connect</a></code>,
514 <code class="module"><a href="../mod/mod_proxy_ftp.html">mod_proxy_ftp</a></code> and <code class="module"><a href="../mod/mod_proxy_http.html">mod_proxy_http</a></code>.
515 These three modules are also automatically enabled with
516 <code>--enable-proxy</code>.</dd>
518 <dt><code>--enable-proxy-connect</code></dt>
519 <dd>Enable proxy support for <code>CONNECT</code> request handling,
520 which is provided by <code class="module"><a href="../mod/mod_proxy_connect.html">mod_proxy_connect</a></code>. This module
521 is an extension for the <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code> module, so you
522 should also use <code>--enable-proxy</code>.</dd>
524 <dt><code>--enable-proxy-ftp</code></dt>
525 <dd>Enable proxy support for <code>FTP</code> requests, which is
526 provided by <code class="module"><a href="../mod/mod_proxy_ftp.html">mod_proxy_ftp</a></code>.. This module
527 is an extension for the <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code> module, so you
528 should also use <code>--enable-proxy</code>.</dd>
530 <dt><code>--enable-proxy-http</code></dt>
531 <dd>Enable proxy support for <code>HTTP</code> requests, which is
532 provided by <code class="module"><a href="../mod/mod_proxy_http.html">mod_proxy_http</a></code>. This module
533 is an extension for the <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code> module, so you
534 should also use <code>--enable-proxy</code>.</dd>
536 <dt><code>--enable-rewrite</code></dt>
537 <dd>Enable rule based URL manipulation provided by
538 <code class="module"><a href="../mod/mod_rewrite.html">mod_rewrite</a></code>.</dd>
540 <dt><code>--enable-so</code></dt>
541 <dd>Enable DSO capability provided by <code class="module"><a href="../mod/mod_so.html">mod_so</a></code>. This
542 module will be automatically enabled if you use the
543 <code>--enable-mods-shared</code> option.</dd>
545 <dt><code>--enable-speling</code></dt>
546 <dd>Enable the functionality to correct common URL misspellings, which
547 is provided by <code class="module"><a href="../mod/mod_spelling.html">mod_spelling</a></code>.</dd>
549 <dt><code>--enable-ssl</code></dt>
550 <dd>Enable support for SSL/TLS provided by
551 <code class="module"><a href="../mod/mod_ssl.html">mod_ssl</a></code>.</dd>
553 <dt><code>--enable-unique-id</code></dt>
554 <dd>Enable the generation of per-request unique ids, which is provided
555 by <code class="module"><a href="../mod/mod_unique_id.html">mod_unique_id</a></code>.</dd>
557 <dt><code>--enable-usertrack</code></dt>
558 <dd>Enable user-session tracking provided by
559 <code class="module"><a href="../mod/mod_usertrack.html">mod_usertrack</a></code>.</dd>
561 <dt><code>--with-module=<var>module-type</var>:<var>module-file</var>
563 <dd><p>Add a third-party module to the list of statically linked
564 modules. The module source file <code><var>module-file</var></code>
565 will be searched in the <code>modules/<var>module-type</var></code>
566 subdirectory of your Apache HTTP server source tree so it has to be
567 placed there before. If it is not found here
568 <code>configure</code> is considering <var>module-file</var> to be a
569 an absolute file path and tries to copy the source file into the
570 <var>module-type</var> subdirectory.</p>
571 <p>This option is useful to add small external modules consisting of
572 one source file. For bigger modules you should read the vendor's
574 <div class="note"><h3>Note</h3>
575 If you want to build a DSO module instead of a statically linked use
576 <a href="apxs.html">apxs</a>.</div>
579 <dt><code>--with-mpm=MPM</code></dt>
580 <dd>Choose the process model for your server. You have to select
581 exactly one <a href="mpm.html">Multi-Processing Module</a>. Otherwise
582 the <a href="mpm.html#defaults">default MPM</a> for your operating
583 system will be taken. Possible MPMs are <code class="module"><a href="../mod/beos.html">beos</a></code>,
584 <code class="module"><a href="../mod/leader.html">leader</a></code>, <code class="module"><a href="../mod/mpmt_os2.html">mpmt_os2</a></code>,
585 <code class="module"><a href="../mod/perchild.html">perchild</a></code>, <code class="module"><a href="../mod/prefork.html">prefork</a></code>,
586 <code class="module"><a href="../mod/threadpool.html">threadpool</a></code> and <code class="module"><a href="../mod/worker.html">worker</a></code>.</dd>
590 <h4><a name="otheroptfeat" id="otheroptfeat">Cumulative and other options</a></h4>
592 <dt><code>--enable-maintainer-mode</code></dt>
593 <dd>Turn on debugging and compile time warnings.</dd>
595 <dt><code>--enable-mods-shared=<var>MODULE-LIST</var></code></dt>
597 <p>Defines a list of modules to be enabled and build as dynamic
598 shared modules. This mean, these module have to be loaded
599 dynamically by using the <code class="directive"><a href="../mod/mod_so.html#loadmodule">LoadModule</a></code> directive.</p>
600 <p><var>MODULE-LIST</var> is a space separated list of modulenames
601 enclosed by quotation marks. The module names are given without the
602 preceding <code>mod_</code>. For example:</p>
603 <div class="example"><p><code>
604 --enable-mods-shared='headers rewrite dav'
606 <p>Additionally you can use the special keywords <code>all</code> and
607 <code>most</code>. For example,</p>
608 <div class="example"><p><code>
609 --enable-mods-shared=most
611 <p>will compile most modules and build them as DSO modules.
615 <dt><code>--enable-modules=<var>MODULE-LIST</var></code></dt>
616 <dd>This option behaves similar to <code>--enable-mods-shared</code>,
617 but will link the given modules statically. This mean, these modules
618 will always be present while running <code>httpd</code>. They need
619 not be loaded with <code class="directive"><a href="../mod/mod_so.html#loadmodule">LoadModule</a></code>.</dd>
621 <dt><code>--enable-v4-mapped</code></dt>
622 <dd>Allow IPv6 sockets to handle IPv4 connections.</dd>
624 <dt><code>--enable-vhost-alias</code></dt>
625 <dd>Enable mass virtual hosting provided by
626 <code class="module"><a href="../mod/mod_vhost_alias.html">mod_vhost_alias</a></code>.</dd>
628 <dt><code>--with-port=<var>PORT</var></code></dt>
629 <dd>This defines the port on which <code>httpd</code> will listen. This
630 port number is used when generating the configuration file
631 <code>httpd.conf</code>. The default is 80.</dd>
633 <dt><code>--with-program-name</code></dt>
634 <dd>Define an alternative executable name.</dd>
639 <h3><a name="packages" id="packages">Optional packages</a></h3>
640 <p>These options are used to define optional packages.</p>
642 <h4><a name="generalpackages" id="generalpackages">General syntax</a></h4>
643 <p>Generally you can use the following syntax to define an optional
647 <dt><code>--with-<var>PACKAGE</var>[=<var>ARG</var>]</code></dt>
648 <dd>Use the package <var>PACKAGE</var>. The default value for
649 <var>ARG</var> is<code>yes</code>.</dd>
651 <dt><code>--without-<var>PACKAGE</var></code></dt>
652 <dd>Do not use the package <var>PACKAGE</var>. This is the same as
653 <code>--with-<var>PACKAGE</var>=no</code>. This option is provided by
654 <code>autoconf</code> but not very useful for the Apache HTTP
661 <h4><a name="packageopt" id="packageopt">Specific packages</a></h4>
663 <dt><code>--with-apr=<var>DIR</var>|<var>FILE</var></code></dt>
664 <dd>The Apache Portable Runtime (APR) is part of the <code>httpd</code>
665 source distribution and will automatically be build together with the
666 HTTP server. If you want to use an already installed APR instead you
667 have to tell <code>configure</code> the path to the
668 <code>apr-config</code> script. You may set the absolute path and name
669 or the directory to the installed APR. <code>apr-config</code> must
670 exists within this directory or the subdirectory
671 <code>bin</code>.</dd>
673 <dt><code>--with-apr-util=<var>DIR</var>|<var>FILE</var></code></dt>
674 <dd>The Apache Portable Runtime Utilities (APU) are part of the
675 <code>httpd</code> source distribution and will automatically be build
676 together with the HTTP server. If you want to use an already installed
677 APU instead you have to tell <code>configure</code> the path to the
678 <code>apu-config</code> script. You may set the absolute path and name
679 or the directory to the installed APU. <code>apu-config</code> must
680 exists within this directory or the subdirectory
681 <code>bin</code>.</dd>
683 <dt><code>--with-ssl=<var>DIR</var></code></dt>
684 <dd>If <code class="module"><a href="../mod/mod_ssl.html">mod_ssl</a></code> has been enabled <code>configure</code>
685 searches for an installed OpenSSL. You can set the directory path
686 to the SSL/TLS toolkit instead.</dd>
688 <dt><code>--with-z=<var>DIR</var></code></dt>
689 <dd><code>configure</code> searches automatically for an installed
690 <code>zlib</code> library if your source configuration requires one
691 (e.g., when <code class="module"><a href="../mod/mod_deflate.html">mod_deflate</a></code> is enabled). You can set the
692 directory path to the compression library instead.</dd>
697 <h3><a name="supportopt" id="supportopt">Options for support programs</a></h3>
699 <dt><code>--enable-static-support</code></dt>
700 <dd>Build a statically linked version of the support binaries. This
701 means, a stand-alone executable will be built with all the necessary
702 libraries integrated. Otherwise the support binaries are linked
703 dynamically by default.</dd>
705 <dt><code>--enable-suexec</code></dt>
706 <dd>Use this option to enable <code><a href="suexec.html">suexec</a></code>, which allows you to set uid
707 and gid for spawned processes. Further options to configure
708 <code>suexec</code> are described <a href="#suexec">below</a>.</dd>
711 <p>It is possible to create a statically linked binary of a single
712 support program by using the following options:</p>
715 <dt><code>--enable-static-ab</code></dt>
716 <dd>Build a statically linked version of <code><a href="ab.html">ab</a></code>.</dd>
719 <dt><code>--enable-static-checkgid</code></dt>
720 <dd>Build a statically linked version of <code>checkgid</code>.</dd>
723 <dt><code>--enable-static-htdbm</code></dt>
724 <dd>Build a statically linked version of <code>htdbm</code>.</dd>
726 <dt><code>--enable-static-htdigest</code></dt>
727 <dd>Build a statically linked version of <code><a href="htdigest.html">htdigest</a></code>.</dd>
729 <dt><code>--enable-static-htpasswd</code></dt>
730 <dd>Build a statically linked version of <code><a href="htpasswd.html">htpasswd</a></code>.</dd>
732 <dt><code>--enable-static-logresolve</code></dt>
733 <dd>Build a statically linked version of <code><a href="logresolve.html">logresolve</a></code>.</dd>
735 <dt><code>--enable-static-rotatelogs</code></dt>
736 <dd>Build a statically linked version of <code><a href="rotatelogs.html">rotatelogs</a></code>.</dd>
739 <h4><a name="suexec" id="suexec">suexec configuration options</a></h4>
740 <p>The following options are used to fine tune the behavior of <code><a href="suexec.html">suexec</a></code>. See <a href="suexec.html#install">Configuring and installing suEXEC</a>
741 for further information.</p>
744 <dt><code>--with-suexec-bin</code></dt>
745 <dd>This defines the path to suexec binary. Default is
746 <code>--sbindir</code> (see <a href="directoryfinetuning">Fine
747 tuning of installation directories</a>).</dd>
749 <dt><code>--with-suexec-caller</code></dt>
750 <dd>This defines the user allowed to call <code>suexec</code>. It should
751 be the same as the user under which <code>httpd</code> normally
754 <dt><code>--with-suexec-docroot</code></dt>
755 <dd>This defines the directory tree under which <code>suexec</code>
756 access is allowed for executables. Default value is
757 <code>--datadir/htdocs</code>.</dd>
759 <dt><code>--with-suexec-gidmin</code></dt>
760 <dd>Define this as the lowest GID allowed to be a target user for
761 <code>suexec</code>. The default value is 100.</dd>
763 <dt><code>--with-suexec-logfile</code></dt>
764 <dd>This defines the filename of the <code>suexec</code> logfile. By
765 default the logfile is named <code>suexec_log</code> and located in
766 <code>--logfiledir</code>.</dd>
768 <dt><code>--with-suexec-safepath</code></dt>
769 <dd>Define the value of the environment variable <code>PATH</code> to
770 be set for processes started by <code>suexec</code>. Default value is
771 <code>/usr/local/bin:/usr/bin:/bin</code>.</dd>
773 <dt><code>--with-suexec-userdir</code></dt>
774 <dd>This defines the subdirectory under the user's directory that
775 contains all executables for which <code>suexec</code> access is
776 allowed. This setting is necessary when you want to use
777 <code>suexec</code> together with user-specific directories (as
778 provided by <code class="module"><a href="../mod/mod_userdir.html">mod_userdir</a></code>). The default is
779 <code>public_html</code>.</dd>
781 <dt><code>--with-suexec-uidmin</code></dt>
782 <dd>Define this as the lowest UID allowed to be a target user for
783 <code>suexec</code>. The default value is 100.</dd>
785 <dt><code>--with-suexec-umask</code></dt>
786 <dd>Set <code>umask</code> for processes started by <code>suexec</code>.
787 It defaults to your system settings.</dd>
791 </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
792 <div class="section">
793 <h2><a name="env" id="env">Environment variables</a></h2>
794 <p>There are some useful environment variables to override the choices made by
795 <code>configure</code> or to help it to find libraries and programs with
796 nonstandard names or locations.</p>
800 <dt><code>CC</code></dt>
801 <dd>Define the C compiler command to be used for compilation.</dd>
803 <dt><code>CFLAGS</code></dt>
804 <dd>Set C compiler flags you want to use for compilation.</dd>
806 <dt><code>CPP</code></dt>
807 <dd>Define the C preprocessor command to be used.</dd>
809 <dt><code>CPPFLAGS</code></dt>
810 <dd>Set C/C++ preprocessor flags, e.g. <code>-I<var>includedir</var></code>
811 if you have headers in a nonstandard directory <var>includedir</var>.</dd>
813 <dt><code>LDFLAGS</code></dt>
814 <dd>Set linker flags, e.g. <code>-L<var>libdir</var></code> if you have
815 libraries in a nonstandard directory <var>libdir</var>.</dd>
818 <div class="bottomlang">
819 <p><span>Available Languages: </span><a href="../en/programs/configure.html" title="English"> en </a></p>
820 </div><div id="footer">
821 <p class="apache">Maintained by the <a href="http://httpd.apache.org/docs-project/">Apache HTTP Server Documentation Project</a></p>
822 <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>