1<?xml version="1.0" encoding="ISO-8859-1"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><!-- 4 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 5 This file is generated from xml source: DO NOT EDIT 6 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 7 --> 8<title>configure - Configure the source tree - Apache HTTP Server</title> 9<link href="/style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> 10<link href="/style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> 11<link href="/style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="/style/css/prettify.css" /> 12<script src="/style/scripts/prettify.js" type="text/javascript"> 13</script> 14 15<link href="/images/favicon.ico" rel="shortcut icon" /></head> 16<body id="manual-page"><div id="page-header"> 17<p class="menu"><a href="/mod/">Modules</a> | <a href="/mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="/glossary.html">Glossary</a> | <a href="/sitemap.html">Sitemap</a></p> 18<p class="apache">Apache HTTP Server Version 2.2</p> 19<img alt="" src="/images/feather.gif" /></div> 20<div class="up"><a href="./"><img title="<-" alt="<-" src="/images/left.gif" /></a></div> 21<div id="path"> 22<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.2</a> > <a href="./">Programs</a></div><div id="page-content"><div id="preamble"><h1>configure - Configure the source tree</h1> 23<div class="toplang"> 24<p><span>Available Languages: </span><a href="/en/programs/configure.html" title="English"> en </a> | 25<a href="/ko/programs/configure.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | 26<a href="/tr/programs/configure.html" hreflang="tr" rel="alternate" title="T�rk�e"> tr </a></p> 27</div> 28 29 <p>The <code>configure</code> script configures the source tree 30 for compiling and installing the Apache HTTP Server on your 31 particular platform. Various options allow the compilation of a 32 server corresponding to your personal requirements.</p> 33 34 <p>This script, included in the root directory of the source 35 distribution, is for compilation on Unix and Unix-like systems 36 only. For other platforms, see the <a href="/platform/">platform</a> documentation.</p> 37</div> 38<div id="quickview"><ul id="toc"><li><img alt="" src="/images/down.gif" /> <a href="#synopsis">Synopsis</a></li> 39<li><img alt="" src="/images/down.gif" /> <a href="#options">Options</a></li> 40<li><img alt="" src="/images/down.gif" /> <a href="#env">Environment variables</a></li> 41</ul><h3>See also</h3><ul class="seealso"><li><a href="/install.html">Compiling and Installing</a></li></ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div> 42<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 43<div class="section"> 44<h2><a name="synopsis" id="synopsis">Synopsis</a></h2> 45 <p>You should call the <code>configure</code> script from within the 46 root directory of the distribution.</p> 47 48 <p><code><strong>/configure</strong> [<var>OPTION</var>]... 49 [<var>VAR</var>=<var>VALUE</var>]...</code></p> 50 51 <p>To assign environment variables (e.g. <code>CC</code>, 52 <code>CFLAGS</code> ...), specify them as 53 <code><var>VAR</var>=<var>VALUE</var></code>. See <a href="#env">below</a> 54 for descriptions of some of the useful variables.</p> 55</div><div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 56<div class="section"> 57<h2><a name="options" id="options">Options</a></h2> 58 <ul> 59 <li><a href="#configurationoptions">Configuration options</a></li> 60 <li><a href="#installationdirectories">Installation directories</a></li> 61 <li><a href="#systemtypes">System types</a></li> 62 <li><a href="#optionalfeatures">Optional features</a></li> 63 <li><a href="#supportopt">Options for support programs</a></li> 64 </ul> 65 66 <h3><a name="configurationoptions" id="configurationoptions">Configuration options</a></h3> 67 68 <p>The following options influence the behavior of 69 <code>configure</code> itself.</p> 70 71 <dl> 72 <dt><code>-C</code></dt> 73 <dt><code>--config-cache</code></dt> 74 <dd>This is an alias for <code>--cache-file=config.cache</code></dd> 75 76 <dt><code>--cache-file=<var>FILE</var></code></dt> 77 <dd>The test results will be cached in file <var>FILE</var>. 78 This option is disabled by default.</dd> 79 80 <dt><code>-h</code></dt> 81 <dt><code>--help [short|recursive]</code></dt> 82 <dd>Output the help and exit. With the argument <code>short</code> only 83 options specific to this package will displayed. The argument 84 <code>recursive</code> displays the short help of all the included 85 packages.</dd> 86 87 <dt><code>-n</code></dt> 88 <dt><code>--no-create</code></dt> 89 <dd>The <code>configure</code> script is run normally but does 90 not create output files. This is useful to check the test results 91 before generating makefiles for compilation.</dd> 92 93 <dt><code>-q</code></dt> 94 <dt><code>--quiet</code></dt> 95 <dd>Do not print <code>checking ...</code> messages during the 96 configure process.</dd> 97 98 <dt><code>--srcdir=<var>DIR</var></code></dt> 99 <dd>Defines directory <var>DIR</var> to be the source file directory. 100 Default is the directory where <code>configure</code> is located, or 101 the parent directory.</dd> 102 103 <dt><code>--silent</code></dt> 104 <dd>Same as <code>--quiet</code></dd> 105 106 <dt>-V</dt> 107 <dt>--version</dt> 108 <dd>Display copyright information and exit.</dd> 109 </dl> 110 111 112 <h3><a name="installationdirectories" id="installationdirectories">Installation 113 directories</a></h3> 114 115 <p>These options define the installation directory. The installation 116 tree depends on the selected layout.</p> 117 118 <dl> 119 <dt><code>--prefix=<var>PREFIX</var></code></dt> 120 <dd>Install architecture-independent files in <var>PREFIX</var>. 121 By default the installation directory is set to 122 <code>/usr/local/apache2</code>.</dd> 123 124 <dt><code>--exec-prefix=<var>EPREFIX</var></code></dt> 125 <dd>Install architecture-dependent files in <var>EPREFIX</var>. 126 By default the installation directory is set to the 127 <var>PREFIX</var> directory.</dd> 128 </dl> 129 130 <p>By default, <code>make install</code> will install all the files in 131 <code>/usr/local/apache2/bin</code>, <code>/usr/local/apache2/lib</code> 132 etc. You can specify an installation prefix other than 133 <code>/usr/local/apache2</code> using <code>--prefix</code>, 134 for instance <code>--prefix=$HOME</code>.</p> 135 136 <h4><a name="layout" id="layout">Define a directory layout</a></h4> 137 <dl> 138 <dt><code>--enable-layout=<var>LAYOUT</var></code></dt> 139 <dd>Configure the source code and build scripts to assume an 140 installation tree based on the layout <var>LAYOUT</var>. This allows 141 you to separately specify the locations for each type of file within 142 the Apache HTTP Server installation. The <code>config.layout</code> 143 file contains several example configurations, and you can also create 144 your own custom configuration following the examples. The different 145 layouts in this file are grouped into <code><Layout 146 FOO>...</Layout></code> sections and referred to by name as 147 in <code>FOO</code>. The default layout is <code>Apache</code>.</dd> 148 </dl> 149 150 151 <h4><a name="directoryfinetuning" id="directoryfinetuning">Fine tuning of the installation 152 directories</a></h4> 153 154 <p>For better control of the installation directories, use the options 155 below. Please note that the directory defaults are set by 156 <code>autoconf</code> and are overwritten by the corresponding layout 157 setting.</p> 158 159 <dl> 160 161 <dt><code>--bindir=<var>DIR</var></code></dt> 162 <dd>Install user executables in <var>DIR</var>. The user executables 163 are supporting programs like <code class="program"><a href="/programs/htpasswd.html">htpasswd</a></code>, 164 <code class="program"><a href="/programs/dbmmanage.html">dbmmanage</a></code>, etc. which are useful for site 165 administrators. By default <var>DIR</var> is set to 166 <code><var>EPREFIX</var>/bin</code>.</dd> 167 168 <dt><code>--datadir=<var>DIR</var></code></dt> 169 <dd>Install read-only architecture-independent data in <var>DIR</var>. 170 By default <code>datadir</code> is set to 171 <code><var>PREFIX</var>/share</code>. This option is offered by 172 <code>autoconf</code> and currently unused.</dd> 173 174 <dt><code>--includedir=<var>DIR</var></code></dt> 175 <dd>Install C header files in <var>DIR</var>. By default 176 <code>includedir</code> is set to 177 <code><var>EPREFIX</var>/include</code>.</dd> 178 179 <dt><code>--infodir=<var>DIR</var></code></dt> 180 <dd>Install info documentation in <var>DIR</var>. 181 By default <code>infodir</code> is set to 182 <code><var>PREFIX</var>/info</code>. This option is currently 183 unused.</dd> 184 185 <dt><code>--libdir=<var>DIR</var></code></dt> 186 <dd>Install object code libraries in <var>DIR</var>. By default 187 <code>libdir</code> is set to 188 <code><var>EPREFIX</var>/lib</code>.</dd> 189 190 <dt><code>--libexecdir=<var>DIR</var></code></dt> 191 <dd>Install the program executables (i.e., shared modules) in 192 <var>DIR</var>. By default <code>libexecdir</code> is set to 193 <code><var>EPREFIX</var>/modules</code>.</dd> 194 195 <dt><code>--localstatedir=<var>DIR</var></code></dt> 196 <dd>Install modifiable single-machine data in <var>DIR</var>. 197 By default <code>localstatedir</code> is set to 198 <code><var>PREFIX</var>/var</code>. This option is offered by 199 <code>autoconf</code> and currently unused.</dd> 200 201 <dt><code>--mandir=<var>DIR</var></code></dt> 202 <dd>Install the man documentation in <var>DIR</var>. By default 203 <code>mandir</code> is set to 204 <code><var>EPREFIX</var>/man</code>.</dd> 205 206 <dt><code>--oldincludedir=<var>DIR</var></code></dt> 207 <dd>Install C header files for non-gcc in <var>DIR</var>. 208 By default <code>oldincludedir</code> is set to 209 <code>/usr/include</code>. This option is offered by 210 <code>autoconf</code> and currently unused.</dd> 211 212 <dt><code>--sbindir=<var>DIR</var></code></dt> 213 <dd>Install the system administrator executables in <var>DIR</var>. 214 Those are server programs like <code class="program"><a href="/programs/httpd.html">httpd</a></code>, 215 <code class="program"><a href="/programs/apachectl.html">apachectl</a></code>, <code class="program"><a href="/programs/suexec.html">suexec</a></code>, etc. which 216 are neccessary to run the Apache HTTP Server. By default 217 <code>sbindir</code> is set to 218 <code><var>EPREFIX</var>/sbin</code>.</dd> 219 220 <dt><code>--sharedstatedir=<var>DIR</var></code></dt> 221 <dd>Install modifiable architecture-independent data in <var>DIR</var>. 222 By default <code>sharedstatedir</code> is set to 223 <code><var>PREFIX</var>/com</code>. This option is offered by 224 <code>autoconf</code> and currently unused.</dd> 225 226 <dt><code>--sysconfdir=<var>DIR</var></code></dt> 227 <dd>Install read-only single-machine data like the server configuration 228 files <code>httpd.conf</code>, <code>mime.types</code>, etc. in 229 <var>DIR</var>. By default <code>sysconfdir</code> is set to 230 <code><var>PREFIX</var>/conf</code>.</dd> 231 </dl> 232 233 234 235 <h3><a name="systemtypes" id="systemtypes">System types</a></h3> 236 237 <p>These options are used to cross-compile the Apache HTTP Server to run on 238 another system. In normal cases, when building and running the server on 239 the same system, these options are not used.</p> 240 241 <dl> 242 <dt><code>--build=<var>BUILD</var></code></dt> 243 <dd>Defines the system type of the system on which the tools are being 244 built. It defaults to the result of the script 245 <code>config.guess</code>.</dd> 246 247 <dt><code>--host=<var>HOST</var></code></dt> 248 <dd>Defines the system type of the system on which the server will run. 249 <var>HOST</var> defaults to <var>BUILD</var>.</dd> 250 251 <dt><code>--target=<var>TARGET</var></code></dt> 252 <dd>Configure for building compilers for the system type 253 <var>TARGET</var>. It defaults to <var>HOST</var>. This option is 254 offered by <code>autoconf</code> and not necessary for the Apache HTTP 255 Server.</dd> 256 </dl> 257 258 259 <h3><a name="optionalfeatures" id="optionalfeatures">Optional Features</a></h3> 260 261 <p>These options are used to fine tune the features your HTTP server will 262 have.</p> 263 264 <h4><a name="generaloptfeat" id="generaloptfeat">General syntax</a></h4> 265 <p>Generally you can use the following syntax to enable or disable a 266 feature:</p> 267 268 <dl> 269 <dt><code>--disable-<var>FEATURE</var></code></dt> 270 <dd>Do not include <var>FEATURE</var>. This is the same as 271 <code>--enable-<var>FEATURE</var>=no</code>.</dd> 272 273 <dt><code>--enable-<var>FEATURE</var>[=<var>ARG</var>]</code></dt> 274 <dd>Include <var>FEATURE</var>. The default value for <var>ARG</var> 275 is <code>yes</code>.</dd> 276 277 <dt><code>--enable-<var>MODULE</var>=shared</code></dt> 278 <dd>The corresponding module will be build as DSO module.</dd> 279 280 <dt><code>--enable-<var>MODULE</var>=static</code></dt> 281 <dd>By default enabled modules are linked statically. You can force 282 this explicitly.</dd> 283 </dl> 284 285 <div class="note"><h3>Note</h3> 286 <code>configure</code> will not complain about 287 <code>--enable-<var>foo</var></code> even if <var>foo</var> doesn't 288 exist, so you need to type carefully. 289 </div> 290 291 292 293 <h4><a name="enabledmodules" id="enabledmodules">Modules enabled by default</a></h4> 294 <p>Some modules are compiled by default and have to be disabled 295 explicitly. Use the following options to remove discrete modules from 296 the compilation process.</p> 297 298 <dl> 299 <dt><code>--disable-actions</code></dt> 300 <dd>Disable action triggering on requests, which is provided by 301 <code class="module"><a href="/mod/mod_actions.html">mod_actions</a></code>.</dd> 302 303 <dt><code>--disable-alias</code></dt> 304 <dd>Disable the mapping of requests to different parts of the 305 filesystem, which is provided by <code class="module"><a href="/mod/mod_alias.html">mod_alias</a></code>.</dd> 306 307 <dt><code>--disable-asis</code></dt> 308 <dd>Disable support for as-is filetypes, which is provided by 309 <code class="module"><a href="/mod/mod_asis.html">mod_asis</a></code>.</dd> 310 311 <dt><code>--disable-auth-basic</code></dt> 312 <dd>Disable user-based access control provided by 313 <code class="module"><a href="/mod/mod_auth.html">mod_auth</a></code>. This module provides for HTTP Basic 314 Authentication, where the usernames and passwords are stored in 315 plain text files.</dd> 316 317 <dt><code>--disable-autoindex</code></dt> 318 <dd>Disable the directory listing functionality provided by 319 <code class="module"><a href="/mod/mod_autoindex.html">mod_autoindex</a></code>.</dd> 320 321 <dt><code>--disable-access</code></dt> 322 <dd>Disable host-based access control provided by 323 <code class="module"><a href="/mod/mod_access.html">mod_access</a></code>.</dd> 324 325 <dt><code>--disable-cgi</code></dt> 326 <dd><code class="module"><a href="/mod/mod_cgi.html">mod_cgi</a></code>, which provides support for CGI scripts, 327 is enabled by default when using a non-threaded MPM. Use this 328 option to disable CGI support.</dd> 329 330 <dt><code>--disable-cgid</code></dt> 331 <dd>When using the threaded MPMs <code class="module"><a href="/mod/worker.html">worker</a></code> 332 support for CGI scripts is provided by 333 <code class="module"><a href="/mod/mod_cgid.html">mod_cgid</a></code> by default. To disable CGI support use 334 this option.</dd> 335 336 <dt><code>--disable-charset-lite</code></dt> 337 <dd>Disable character set translation provided by 338 <code class="module"><a href="/mod/mod_charset_lite.html">mod_charset_lite</a></code>. This module will be installed by 339 default only on EBCDIC systems.</dd> 340 341 <dt><code>--disable-dir</code></dt> 342 <dd>Disable directory request handling provided by 343 <code class="module"><a href="/mod/mod_dir.html">mod_dir</a></code>.</dd> 344 345 <dt><code>--disable-env</code></dt> 346 <dd>Enable setting and clearing of environment variables, which is 347 provided by <code class="module"><a href="/mod/mod_env.html">mod_env</a></code>.</dd> 348 349 350 <dt><code>--disable-http</code></dt> 351 <dd>Disable the HTTP protocol handling. The <code>http</code> 352 module is a basic one, enabling the server to function as an 353 HTTP server. It is only useful to disable it if you want to use 354 another protocol module instead. <strong>Don't disable this 355 module unless you are really sure what you are doing.</strong> 356 <br /> 357 Note: This module will always be linked statically.</dd> 358 359 <dt><code>--disable-imagemap</code></dt> 360 <dd>Disable support for server based imagemaps, which provided by 361 <code class="module"><a href="/mod/mod_imagemap.html">mod_imagemap</a></code>.</dd> 362 363 <dt><code>--disable-include</code></dt> 364 <dd>Disable Server Side Includes provided by 365 <code class="module"><a href="/mod/mod_include.html">mod_include</a></code>.</dd> 366 367 <dt><code>--disable-log-config</code></dt> 368 <dd>Disable the logging configuration provided by 369 <code class="module"><a href="/mod/mod_log_config.html">mod_log_config</a></code>. You won't be able to log requests 370 to the server without this module.</dd> 371 372 <dt><code>--disable-mime</code></dt> 373 <dd><code class="module"><a href="/mod/mod_mime.html">mod_mime</a></code> associates the requested 374 filename's extensions with the file's behavior and content 375 (<a class="glossarylink" href="/glossary.html#mime-type" title="see glossary">mime-type</a>, language, character set and 376 encoding). Disabling this module is normally not recommended.</dd> 377 378 <dt><code>--disable-negotiation</code></dt> 379 <dd>Disable content negotiation provided by 380 <code class="module"><a href="/mod/mod_negotiation.html">mod_negotiation</a></code>.</dd> 381 382 <dt><code>--disable-setenvif</code></dt> 383 <dd>Disable support for basing environment variables on headers, 384 which is provided by <code class="module"><a href="/mod/mod_setenvif.html">mod_setenvif</a></code>.</dd> 385 386 <dt><code>--disable-status</code></dt> 387 <dd>Enable the process/thread monitoring, which is provided by 388 <code class="module"><a href="/mod/mod_status.html">mod_status</a></code>.</dd> 389 390 <dt><code>--disable-userdir</code></dt> 391 <dd>Disable the mapping of requests to user-specific directories, 392 which is provided by <code class="module"><a href="/mod/mod_userdir.html">mod_userdir</a></code>.</dd> 393 </dl> 394 395 396 <h4><a name="disabledmodules" id="disabledmodules">Modules, disabled by default</a></h4> 397 <p>Some modules are compiled by default and have to be enabled 398 explicitly or by using the keywords <code>most</code> or 399 <code>all</code> (see <code>--enable-mods-shared</code> below for 400 further explanation) to be available. Therefore use the options 401 below.</p> 402 403 <dl> 404 <dt><code>--enable-authn-anon</code></dt> 405 <dd>Enable anonymous user access provided by 406 <code class="module"><a href="/mod/mod_auth_anon.html">mod_auth_anon</a></code>.</dd> 407 408 <dt><code>--enable-authn-dbm</code></dt> 409 <dd><code class="module"><a href="/mod/mod_authn_dbm.html">mod_authn_dbm</a></code> provides for HTTP Basic 410 Authentication, where the usernames and passwords are stored in DBM 411 type database files. Use this option to enable the module.</dd> 412 413 <dt><code>--enable-authz-dbm</code></dt> 414 <dd><code class="module"><a href="/mod/mod_authz_dbm.html">mod_authz_dbm</a></code> provides for HTTP Basic 415 Authorization, where the usernames and groups are stored in DBM 416 type database files. Use this option to enable the module.</dd> 417 418 <dt><code>--enable-auth-digest</code></dt> 419 <dd>Enable RFC2617 Digest authentication provided by 420 <code class="module"><a href="/mod/mod_auth_digest.html">mod_auth_digest</a></code>. This module uses plain text files 421 to store the credentials.</dd> 422 423 <dt><code>--enable-authnz-ldap</code></dt> 424 <dd>Enable LDAP based authentication provided by 425 <code class="module"><a href="/mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code>.</dd> 426 427 <dt><code>--enable-cache</code></dt> 428 <dd>Enable dynamic file caching provided by 429 <code class="module"><a href="/mod/mod_cache.html">mod_cache</a></code>. This experimental module may be 430 interesting for servers with high load or caching proxy servers. At 431 least one storage management module (e.g. 432 <code class="module"><a href="/mod/mod_disk_cache.html">mod_disk_cache</a></code> or <code class="module"><a href="/mod/mod_mem_cache.html">mod_mem_cache</a></code>) 433 is also necessary.</dd> 434 435 <dt><code>--enable-cern-meta</code></dt> 436 <dd>Enable the CERN-type meta files support provided by 437 <code class="module"><a href="/mod/mod_cern_meta.html">mod_cern_meta</a></code>.</dd> 438 439 <dt><code>--enable-charset-lite</code></dt> 440 <dd>Enable character set translation provided by 441 <code class="module"><a href="/mod/mod_charset_lite.html">mod_charset_lite</a></code>. This module will be installed by 442 default only on EBCDIC systems. On other systems, you have to enable 443 it.</dd> 444 445 <dt><code>--enable-dav</code></dt> 446 <dd>Enable the WebDAV protocol handling provided by 447 <code class="module"><a href="/mod/mod_dav.html">mod_dav</a></code>. Support for filesystem resources is 448 provided by the separate module <code class="module"><a href="/mod/mod_dav_fs.html">mod_dav_fs</a></code>. This 449 module is also automatically enabled with 450 <code>--enable-dav</code>.<br /> 451 Note: <code class="module"><a href="/mod/mod_dav.html">mod_dav</a></code> can only be used together with the 452 <code>http</code> protocol module.</dd> 453 454 <dt><code>--enable-dav-fs</code></dt> 455 <dd>Enable DAV support for filesystem resources, which is provided by 456 <code class="module"><a href="/mod/mod_dav_fs.html">mod_dav_fs</a></code>. This module is a provider for the 457 <code class="module"><a href="/mod/mod_dav.html">mod_dav</a></code> module, so you should also use 458 <code>--enable-dav</code>.</dd> 459 460 <dt><code>--enable-dav-lock</code></dt> 461 <dd>Enable <code class="module"><a href="/mod/mod_dav_lock.html">mod_dav_lock</a></code> which provides generic DAV 462 locking support for backend modules. This module needs at least 463 <code class="module"><a href="/mod/mod_dav.html">mod_dav</a></code> to function, so you should also use 464 <code>--enable-dav</code>.</dd> 465 466 <dt><code>--enable-deflate</code></dt> 467 <dd>Enable deflate transfer encoding provided by 468 <code class="module"><a href="/mod/mod_deflate.html">mod_deflate</a></code>.</dd> 469 470 <dt><code>--enable-disk-cache</code></dt> 471 <dd>Enable disk caching provided by 472 <code class="module"><a href="/mod/mod_disk_cache.html">mod_disk_cache</a></code>.</dd> 473 474 <dt><code>--enable-expires</code></dt> 475 <dd>Enable <code>Expires</code> header control provided by 476 <code class="module"><a href="/mod/mod_expires.html">mod_expires</a></code>.</dd> 477 478 <dt><code>--enable-ext-filter</code></dt> 479 <dd>Enable the external filter support provided by 480 <code class="module"><a href="/mod/mod_ext_filter.html">mod_ext_filter</a></code>.</dd> 481 482 <dt><code>--enable-file-cache</code></dt> 483 <dd>Enable the file cache provided by 484 <code class="module"><a href="/mod/mod_file_cache.html">mod_file_cache</a></code>.</dd> 485 486 <dt><code>--enable-headers</code></dt> 487 <dd>Enable control of HTTP headers provided by 488 <code class="module"><a href="/mod/mod_headers.html">mod_headers</a></code>.</dd> 489 490 <dt><code>--enable-info</code></dt> 491 <dd>Enable the server information provided by 492 <code class="module"><a href="/mod/mod_info.html">mod_info</a></code>.</dd> 493 494 <dt><code>--enable-ldap</code></dt> 495 <dd>Enable LDAP caching and connection pooling services provided by 496 <code class="module"><a href="/mod/mod_ldap.html">mod_ldap</a></code>.</dd> 497 498 <dt><code>--enable-logio</code></dt> 499 <dd>Enable logging of input and output bytes including headers provided 500 by <code class="module"><a href="/mod/mod_logio.html">mod_logio</a></code>.</dd> 501 502 <dt><code>--enable-mem-cache</code></dt> 503 <dd>Enable memory caching provided by 504 <code class="module"><a href="/mod/mod_mem_cache.html">mod_mem_cache</a></code>.</dd> 505 506 <dt><code>--enable-mime-magic</code></dt> 507 <dd>Enable 508 automatical determining of <a class="glossarylink" href="/glossary.html#mime-type" title="see glossary">MIME 509 types</a>, which is provided by 510 <code class="module"><a href="/mod/mod_mime_magic.html">mod_mime_magic</a></code>.</dd> 511 512 <dt><code>--enable-isapi</code></dt> 513 <dd>Enable the isapi extension support provided by 514 <code class="module"><a href="/mod/mod_isapi.html">mod_isapi</a></code>.</dd> 515 516 <dt><code>--enable-proxy</code></dt> 517 <dd>Enable the proxy/gateway functionality provided by 518 <code class="module"><a href="/mod/mod_proxy.html">mod_proxy</a></code>. The proxying capabilities for 519 <code>AJP13</code>, <code>CONNECT</code>, <code>FTP</code>, 520 <code>HTTP</code> and the balancer are provided by the separate 521 modules <code class="module"><a href="/mod/mod_proxy_ajp.html">mod_proxy_ajp</a></code>, 522 <code class="module"><a href="/mod/mod_proxy_connect.html">mod_proxy_connect</a></code>, <code class="module"><a href="/mod/mod_proxy_ftp.html">mod_proxy_ftp</a></code>, 523 <code class="module"><a href="/mod/mod_proxy_http.html">mod_proxy_http</a></code> and 524 <code class="module"><a href="/mod/mod_proxy_balancer.html">mod_proxy_balancer</a></code>. 525 These five modules are also automatically enabled with 526 <code>--enable-proxy</code>.</dd> 527 528 <dt><code>--enable-proxy-ajp</code></dt> 529 <dd>Enable proxy support for <code>AJP13 (Apache JServ Protocol 1.3)</code> 530 request handling, which is provided by <code class="module"><a href="/mod/mod_proxy_ajp.html">mod_proxy_ajp</a></code>. 531 This module is an extension for the <code class="module"><a href="/mod/mod_proxy.html">mod_proxy</a></code> module, 532 so you should also use <code>--enable-proxy</code>.</dd> 533 534 <dt><code>--enable-proxy-balancer</code></dt> 535 <dd>Enable load balancing support for the <code>AJP13</code>, 536 <code>FTP</code> and <code>HTTP</code> protocols, which is provided by 537 <code class="module"><a href="/mod/mod_proxy_balancer.html">mod_proxy_balancer</a></code>. This module is an extension for the 538 <code class="module"><a href="/mod/mod_proxy.html">mod_proxy</a></code> module, so you should also use 539 <code>--enable-proxy</code>.</dd> 540 541 <dt><code>--enable-proxy-connect</code></dt> 542 <dd>Enable proxy support for <code>CONNECT</code> request handling, 543 which is provided by <code class="module"><a href="/mod/mod_proxy_connect.html">mod_proxy_connect</a></code>. This module 544 is an extension for the <code class="module"><a href="/mod/mod_proxy.html">mod_proxy</a></code> module, so you 545 should also use <code>--enable-proxy</code>.</dd> 546 547 <dt><code>--enable-proxy-ftp</code></dt> 548 <dd>Enable proxy support for <code>FTP</code> requests, which is 549 provided by <code class="module"><a href="/mod/mod_proxy_ftp.html">mod_proxy_ftp</a></code>. This module 550 is an extension for the <code class="module"><a href="/mod/mod_proxy.html">mod_proxy</a></code> module, so you 551 should also use <code>--enable-proxy</code>.</dd> 552 553 <dt><code>--enable-proxy-http</code></dt> 554 <dd>Enable proxy support for <code>HTTP</code> requests, which is 555 provided by <code class="module"><a href="/mod/mod_proxy_http.html">mod_proxy_http</a></code>. This module 556 is an extension for the <code class="module"><a href="/mod/mod_proxy.html">mod_proxy</a></code> module, so you 557 should also use <code>--enable-proxy</code>.</dd> 558 559 <dt><code>--enable-rewrite</code></dt> 560 <dd>Enable rule based URL manipulation provided by 561 <code class="module"><a href="/mod/mod_rewrite.html">mod_rewrite</a></code>.</dd> 562 563 <dt><code>--enable-so</code></dt> 564 <dd>Enable DSO capability provided by <code class="module"><a href="/mod/mod_so.html">mod_so</a></code>. This 565 module will be automatically enabled if you use the 566 <code>--enable-mods-shared</code> option.</dd> 567 568 <dt><code>--enable-speling</code></dt> 569 <dd>Enable the functionality to correct common URL misspellings, which 570 is provided by <code class="module"><a href="/mod/mod_speling.html">mod_speling</a></code>.</dd> 571 572 <dt><code>--enable-ssl</code></dt> 573 <dd>Enable support for SSL/TLS provided by 574 <code class="module"><a href="/mod/mod_ssl.html">mod_ssl</a></code>.</dd> 575 576 <dt><code>--enable-unique-id</code></dt> 577 <dd>Enable the generation of per-request unique ids, which is provided 578 by <code class="module"><a href="/mod/mod_unique_id.html">mod_unique_id</a></code>.</dd> 579 580 <dt><code>--enable-usertrack</code></dt> 581 <dd>Enable user-session tracking provided by 582 <code class="module"><a href="/mod/mod_usertrack.html">mod_usertrack</a></code>.</dd> 583 584 <dt><code>--enable-vhost-alias</code></dt> 585 <dd>Enable mass virtual hosting provided by 586 <code class="module"><a href="/mod/mod_vhost_alias.html">mod_vhost_alias</a></code>.</dd> 587 </dl> 588 589 590 <h4><a name="developermodules" id="developermodules">Modules for developers</a></h4> 591 <p>The following modules are useful only for developers and testing 592 purposes and are disabled by default. Use the following options to 593 enable them. If you are not sure whether you need one of these 594 modules, omit them.</p> 595 596 <dl> 597 598 <dt><code>--enable-bucketeer</code></dt> 599 <dd>Enable the manipulation filter for buckets, which is provided by 600 <code>mod_bucketeer</code>.</dd> 601 602 603 <dt><code>--enable-case-filter</code></dt> 604 <dd>Enable the example uppercase conversion output filter support of 605 <code>mod_case_filter</code>.</dd> 606 607 608 <dt><code>--enable-case-filter-in</code></dt> 609 <dd>Enable the example uppercase conversion input filter support of 610 <code>mod_case_filter_in</code>.</dd> 611 612 <dt><code>--enable-echo</code></dt> 613 <dd>Enable the ECHO server provided by 614 <code class="module"><a href="/mod/mod_echo.html">mod_echo</a></code>.</dd> 615 616 <dt><code>--enable-example</code></dt> 617 <dd>Enable the example and demo module 618 <code class="module"><a href="/mod/mod_example.html">mod_example</a></code>.</dd> 619 620 621 <dt><code>--enable-optional-fn-export</code></dt> 622 <dd>Enable the example for an optional function exporter, which is 623 provided by <code>mod_optional_fn_export</code>.</dd> 624 625 626 <dt><code>--enable-optional-fn-import</code></dt> 627 <dd>Enable the example for an optional function importer, which is 628 provided by <code>mod_optional_fn_import</code>.</dd> 629 630 631 <dt><code>--enable-optional-hook-export</code></dt> 632 <dd>Enable the example for an optional hook exporter, which is provided 633 by <code>mod_optional_hook_export</code>.</dd> 634 635 636 <dt><code>--enable-optional-hook-import</code></dt> 637 <dd>Enable the example optional hook importer, which is provided by 638 <code>mod_optional_hook_import</code>.</dd> 639 </dl> 640 641 642 <h4><a name="modules" id="modules">MPMs and third-party modules</a></h4> 643 <p>To add the necessary Multi Processing Module and additional third-party 644 modules use the following options:</p> 645 646 <dl> 647 <dt><code>--with-module=<var>module-type</var>:<var>module-file</var>[, 648 <var>module-type</var>:<var>module-file</var>]</code></dt> 649 <dd><p>Add one or more third-party modules to the list of statically linked 650 modules. The module source file <code><var>module-file</var></code> 651 will be searched in the <code>modules/<var>module-type</var></code> 652 subdirectory of your Apache HTTP server source tree. If it is not found 653 there <code>configure</code> is considering <var>module-file</var> to be 654 an absolute file path and tries to copy the source file into the 655 <var>module-type</var> subdirectory. If the subdirectory doesn't 656 exist it will be created and populated with a standard 657 <code>Makefile.in</code>.</p> 658 <p>This option is useful to add small external modules consisting of 659 one source file. For more complex modules you should read the 660 vendor's documentation.</p> 661 <div class="note"><h3>Note</h3> 662 If you want to build a DSO module instead of a statically linked 663 use <code class="program"><a href="/programs/apxs.html">apxs</a></code>.</div> 664 </dd> 665 666 <dt><code>--with-mpm=MPM</code></dt> 667 <dd>Choose the process model for your server. You have to select 668 exactly one <a href="/mpm.html">Multi-Processing Module</a>. 669 Otherwise the <a href="/mpm.html#defaults">default MPM</a> for 670 your operating system will be taken. Possible MPMs are 671 <code class="module"><a href="/mod/beos.html">beos</a></code>, 672 <code class="module"><a href="/mod/mpmt_os2.html">mpmt_os2</a></code>, 673 <code class="module"><a href="/mod/prefork.html">prefork</a></code>, and 674 <code class="module"><a href="/mod/worker.html">worker</a></code>.</dd> 675 </dl> 676 677 678 <h4><a name="otheroptfeat" id="otheroptfeat">Cumulative and other options</a></h4> 679 <dl> 680 <dt><code>--enable-maintainer-mode</code></dt> 681 <dd>Turn on debugging and compile time warnings.</dd> 682 683 <dt><code>--enable-mods-shared=<var>MODULE-LIST</var></code></dt> 684 <dd> 685 <p>Defines a list of modules to be enabled and build as dynamic 686 shared modules. This mean, these module have to be loaded 687 dynamically by using the <code class="directive"><a href="/mod/mod_so.html#loadmodule">LoadModule</a></code> directive.</p> 688 <p><var>MODULE-LIST</var> is a space separated list of modulenames 689 enclosed by quotation marks. The module names are given without the 690 preceding <code>mod_</code>. For example:</p> 691 <div class="example"><p><code> 692 --enable-mods-shared='headers rewrite dav' 693 </code></p></div> 694 <p>Additionally you can use the special keywords <code>all</code> and 695 <code>most</code>. For example,</p> 696 <div class="example"><p><code> 697 --enable-mods-shared=most 698 </code></p></div> 699 <p>will compile most modules and build them as DSO modules. 700 </p> 701 <p><strong>Caveat:</strong> 702 <code>--enable-mods-shared=all</code> does not actually build all 703 modules. To build all modules then, one might use:</p> 704 <div class="example"><p><code> 705 /configure \<br /> 706 <span class="indent"> 707 --with-ldap \<br /> 708 --enable-mods-shared="all ssl ldap cache proxy authn_alias mem_cache file_cache authnz_ldap charset_lite dav_lock disk_cache" 709 </span> 710 </code></p></div> 711 </dd> 712 713 <dt><code>--enable-modules=<var>MODULE-LIST</var></code></dt> 714 <dd>This option behaves similar to <code>--enable-mods-shared</code>, 715 but will link the given modules statically. This mean, these modules 716 will always be present while running <code class="program"><a href="/programs/httpd.html">httpd</a></code>. They need 717 not be loaded with <code class="directive"><a href="/mod/mod_so.html#loadmodule">LoadModule</a></code>.</dd> 718 719 <dt><code>--enable-v4-mapped</code></dt> 720 <dd>Allow IPv6 sockets to handle IPv4 connections.</dd> 721 722 <dt><code>--with-port=<var>PORT</var></code></dt> 723 <dd>This defines the port on which <code class="program"><a href="/programs/httpd.html">httpd</a></code> will listen. 724 This port number is used when generating the configuration file 725 <code>httpd.conf</code>. The default is 80.</dd> 726 727 <dt><code>--with-program-name</code></dt> 728 <dd>Define an alternative executable name. The default is 729 <code>httpd</code>.</dd> 730 </dl> 731 732 733 734 <h3><a name="packages" id="packages">Optional packages</a></h3> 735 <p>These options are used to define optional packages.</p> 736 737 <h4><a name="generalpackages" id="generalpackages">General syntax</a></h4> 738 <p>Generally you can use the following syntax to define an optional 739 package:</p> 740 741 <dl> 742 <dt><code>--with-<var>PACKAGE</var>[=<var>ARG</var>]</code></dt> 743 <dd>Use the package <var>PACKAGE</var>. The default value for 744 <var>ARG</var> is <code>yes</code>.</dd> 745 746 <dt><code>--without-<var>PACKAGE</var></code></dt> 747 <dd>Do not use the package <var>PACKAGE</var>. This is the same as 748 <code>--with-<var>PACKAGE</var>=no</code>. This option is provided by 749 <code>autoconf</code> but not very useful for the Apache HTTP 750 Server.</dd> 751 </dl> 752 753 754 755 756 <h4><a name="packageopt" id="packageopt">Specific packages</a></h4> 757 <dl> 758 <dt><code>--with-apr=<var>DIR</var>|<var>FILE</var></code></dt> 759 <dd>The <a class="glossarylink" href="/glossary.html#apr" title="see glossary">Apache Portable Runtime</a> (APR) 760 is part of the httpd 761 source distribution and will automatically be build together with the 762 HTTP server. If you want to use an already installed APR instead you 763 have to tell <code>configure</code> the path to the 764 <code>apr-config</code> script. You may set the absolute path and name 765 or the directory to the installed APR. <code>apr-config</code> must 766 exist within this directory or the subdirectory 767 <code>bin</code>.</dd> 768 769 <dt><code>--with-apr-util=<var>DIR</var>|<var>FILE</var></code></dt> 770 <dd>The Apache Portable Runtime Utilities (APU) are part of the 771 httpd source distribution and will automatically be build 772 together with the HTTP server. If you want to use an already installed 773 APU instead you have to tell <code>configure</code> the path to the 774 <code>apu-config</code> script. You may set the absolute path and name 775 or the directory to the installed APU. <code>apu-config</code> must 776 exist within this directory or the subdirectory 777 <code>bin</code>.</dd> 778 779 <dt><code>--with-ssl=<var>DIR</var></code></dt> 780 <dd>If <code class="module"><a href="/mod/mod_ssl.html">mod_ssl</a></code> has been enabled <code>configure</code> 781 searches for an installed OpenSSL. You can set the directory path 782 to the SSL/TLS toolkit instead.</dd> 783 784 <dt><code>--with-z=<var>DIR</var></code></dt> 785 <dd><code>configure</code> searches automatically for an installed 786 <code>zlib</code> library if your source configuration requires one 787 (e.g., when <code class="module"><a href="/mod/mod_deflate.html">mod_deflate</a></code> is enabled). You can set the 788 directory path to the compression library instead.</dd> 789 </dl> 790 791 <p>Several features of the Apache HTTP Server, including 792 <code class="module"><a href="/mod/mod_authn_dbm.html">mod_authn_dbm</a></code>, <code class="module"><a href="/mod/mod_authz_dbm.html">mod_authz_dbm</a></code>, and 793 <code class="module"><a href="/mod/mod_rewrite.html">mod_rewrite</a></code>'s DBM 794 <code class="directive"><a href="/mod/mod_rewrite.html#rewritemap">RewriteMap</a></code> use simple 795 key/value databases for quick lookups of information. SDBM is included 796 in the APU, so this database is always available. If you would like to 797 use other database types, use the following options to enable 798 them:</p> 799 800 <dl> 801 <dt><code>--with-gdbm[=<var>path</var>]</code></dt> 802 <dd>If no <var>path</var> is specified, <code>configure</code> will 803 search for the include files and libraries of a GNU DBM 804 installation in the usual search paths. An explicit 805 <var>path</var> will cause <code>configure</code> to look in 806 <code><var>path</var>/lib</code> and 807 <code><var>path</var>/include</code> for the relevant files. 808 Finally, the <var>path</var> may specify specific include and 809 library paths separated by a colon.</dd> 810 811 <dt><code>--with-ndbm[=<var>path</var>]</code></dt> 812 <dd>Like <code>--with-gdbm</code>, but searches for a New DBM 813 installation.</dd> 814 815 <dt><code>--with-berkeley-db[=<var>path</var>]</code></dt> 816 <dd>Like <code>--with-gdbm</code>, but searches for a Berkeley DB 817 installation.</dd> 818 </dl> 819 820 <div class="note"><h3>Note</h3> 821 <p>The DBM options are provided by the APU and passed through to its 822 configuration script. They are useless when using an already 823 installed APU defined by <code>--with-apr-util</code>.</p> 824 <p>You may use more then one DBM implementation together with your 825 HTTP server. The appropriated DBM type will be configured within 826 the runtime configuration at each time.</p> 827 </div> 828 829 830 831 <h3><a name="supportopt" id="supportopt">Options for support programs</a></h3> 832 <dl> 833 <dt><code>--enable-static-support</code></dt> 834 <dd>Build a statically linked version of the support binaries. This 835 means, a stand-alone executable will be built with all the necessary 836 libraries integrated. Otherwise the support binaries are linked 837 dynamically by default.</dd> 838 839 <dt><code>--enable-suexec</code></dt> 840 <dd>Use this option to enable <code class="program"><a href="/programs/suexec.html">suexec</a></code>, which allows you to set 841 uid and gid for spawned processes. <strong>Do not use this 842 option unless you understand all the security implications of 843 running a suid binary on your server.</strong> Further options 844 to configure <code class="program"><a href="/programs/suexec.html">suexec</a></code> are described <a href="#suexec">below</a>.</dd> 845 </dl> 846 847 <p>It is possible to create a statically linked binary of a single 848 support program by using the following options:</p> 849 850 <dl> 851 <dt><code>--enable-static-ab</code></dt> 852 <dd>Build a statically linked version of <code class="program"><a href="/programs/ab.html">ab</a></code>.</dd> 853 854 855 <dt><code>--enable-static-checkgid</code></dt> 856 <dd>Build a statically linked version of <code>checkgid</code>.</dd> 857 858 <dt><code>--enable-static-htdbm</code></dt> 859 <dd>Build a statically linked version of <code class="program"><a href="/programs/htdbm.html">htdbm</a></code>.</dd> 860 861 <dt><code>--enable-static-htdigest</code></dt> 862 <dd>Build a statically linked version of <code class="program"><a href="/programs/htdigest.html">htdigest</a></code>.</dd> 863 864 <dt><code>--enable-static-htpasswd</code></dt> 865 <dd>Build a statically linked version of <code class="program"><a href="/programs/htpasswd.html">htpasswd</a></code>.</dd> 866 867 <dt><code>--enable-static-logresolve</code></dt> 868 <dd>Build a statically linked version of <code class="program"><a href="/programs/logresolve.html">logresolve</a></code>.</dd> 869 870 <dt><code>--enable-static-rotatelogs</code></dt> 871 <dd>Build a statically linked version of <code class="program"><a href="/programs/rotatelogs.html">rotatelogs</a></code>.</dd> 872 </dl> 873 874 <h4><a name="suexec" id="suexec"><code>suexec</code> configuration options</a></h4> 875 876 <p>The following options are used to fine tune the behavior of <code class="program"><a href="/programs/suexec.html">suexec</a></code>. See <a href="suexec.html#install">Configuring and installing suEXEC</a> 877 for further information.</p> 878 879 <dl> 880 <dt><code>--with-suexec-bin</code></dt> 881 <dd>This defines the path to <code class="program"><a href="/programs/suexec.html">suexec</a></code> binary. 882 Default is <code>--sbindir</code> (see <a href="#directoryfinetuning">Fine tuning of installation 883 directories</a>).</dd> 884 885 <dt><code>--with-suexec-caller</code></dt> 886 <dd>This defines the user allowed to call <code class="program"><a href="/programs/suexec.html">suexec</a></code>. 887 It should be the same as the user under which 888 <code class="program"><a href="/programs/httpd.html">httpd</a></code> normally runs.</dd> 889 890 <dt><code>--with-suexec-docroot</code></dt> 891 <dd>This defines the directory tree under which <code class="program"><a href="/programs/suexec.html">suexec</a></code> access is allowed for executables. Default value is 892 <code>--datadir/htdocs</code>.</dd> 893 894 <dt><code>--with-suexec-gidmin</code></dt> 895 <dd>Define this as the lowest GID allowed to be a target user for 896 <code class="program"><a href="/programs/suexec.html">suexec</a></code>. The default value is 100.</dd> 897 898 <dt><code>--with-suexec-logfile</code></dt> 899 <dd>This defines the filename of the <code class="program"><a href="/programs/suexec.html">suexec</a></code> logfile. 900 By default the logfile is named <code>suexec_log</code> and located in 901 <code>--logfiledir</code>.</dd> 902 903 <dt><code>--with-suexec-safepath</code></dt> 904 <dd>Define the value of the environment variable <code>PATH</code> to 905 be set for processes started by <code class="program"><a href="/programs/suexec.html">suexec</a></code>. Default 906 value is <code>/usr/local/bin:/usr/bin:/bin</code>.</dd> 907 908 <dt><code>--with-suexec-userdir</code></dt> 909 <dd>This defines the subdirectory under the user's directory that 910 contains all executables for which <code class="program"><a href="/programs/suexec.html">suexec</a></code> access 911 is allowed. This setting is necessary when you want to use 912 <code class="program"><a href="/programs/suexec.html">suexec</a></code> together with user-specific directories (as 913 provided by <code class="module"><a href="/mod/mod_userdir.html">mod_userdir</a></code>). The default is 914 <code>public_html</code>.</dd> 915 916 <dt><code>--with-suexec-uidmin</code></dt> 917 <dd>Define this as the lowest UID allowed to be a target user for 918 <code class="program"><a href="/programs/suexec.html">suexec</a></code>. The default value is 100.</dd> 919 920 <dt><code>--with-suexec-umask</code></dt> 921 <dd>Set <code>umask</code> for processes started by 922 <code class="program"><a href="/programs/suexec.html">suexec</a></code>. It defaults to your system settings.</dd> 923 </dl> 924 925 926</div><div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 927<div class="section"> 928<h2><a name="env" id="env">Environment variables</a></h2> 929 <p>There are some useful environment variables to override the choices made by 930 <code>configure</code> or to help it to find libraries and programs with 931 nonstandard names or locations.</p> 932 933 934 <dl> 935 <dt><code>CC</code></dt> 936 <dd>Define the C compiler command to be used for compilation.</dd> 937 938 <dt><code>CFLAGS</code></dt> 939 <dd>Set C compiler flags you want to use for compilation.</dd> 940 941 <dt><code>CPP</code></dt> 942 <dd>Define the C preprocessor command to be used.</dd> 943 944 <dt><code>CPPFLAGS</code></dt> 945 <dd>Set C/C++ preprocessor flags, e.g. <code>-I<var>includedir</var></code> 946 if you have headers in a nonstandard directory <var>includedir</var>.</dd> 947 948 <dt><code>LDFLAGS</code></dt> 949 <dd>Set linker flags, e.g. <code>-L<var>libdir</var></code> if you have 950 libraries in a nonstandard directory <var>libdir</var>.</dd> 951 </dl> 952</div></div> 953<div class="bottomlang"> 954<p><span>Available Languages: </span><a href="/en/programs/configure.html" title="English"> en </a> | 955<a href="/ko/programs/configure.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | 956<a href="/tr/programs/configure.html" hreflang="tr" rel="alternate" title="T�rk�e"> tr </a></p> 957</div><div class="top"><a href="#page-header"><img src="/images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. 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