2 dnl APACHE_HELP_STRING(LHS, RHS)
3 dnl Autoconf 2.50 can not handle substr correctly. It does have
4 dnl AC_HELP_STRING, so let's try to call it if we can.
5 dnl Note: this define must be on one line so that it can be properly returned
6 dnl as the help string.
7 AC_DEFUN([APACHE_HELP_STRING],[ifelse(regexp(AC_ACVERSION, 2\.1), -1, AC_HELP_STRING($1,$2),[ ]$1 substr([ ],len($1))$2)])dnl
9 dnl APACHE_SUBST(VARIABLE)
10 dnl Makes VARIABLE available in generated files
11 dnl (do not use @variable@ in Makefiles, but $(variable))
12 AC_DEFUN([APACHE_SUBST],[
13 APACHE_VAR_SUBST="$APACHE_VAR_SUBST $1"
17 dnl APACHE_FAST_OUTPUT(FILENAME)
18 dnl Perform substitutions on FILENAME (Makefiles only)
19 AC_DEFUN([APACHE_FAST_OUTPUT],[
20 APACHE_FAST_OUTPUT_FILES="$APACHE_FAST_OUTPUT_FILES $1"
23 dnl APACHE_GEN_CONFIG_VARS
24 dnl Creates config_vars.mk
25 AC_DEFUN([APACHE_GEN_CONFIG_VARS],[
26 APACHE_SUBST(HTTPD_VERSION)
27 APACHE_SUBST(HTTPD_MMN)
28 APACHE_SUBST(abs_srcdir)
32 APACHE_SUBST(logfiledir)
33 APACHE_SUBST(exec_prefix)
35 APACHE_SUBST(localstatedir)
38 APACHE_SUBST(libexecdir)
39 APACHE_SUBST(htdocsdir)
40 APACHE_SUBST(manualdir)
41 APACHE_SUBST(includedir)
42 APACHE_SUBST(errordir)
43 APACHE_SUBST(iconsdir)
44 APACHE_SUBST(sysconfdir)
45 APACHE_SUBST(installbuilddir)
46 APACHE_SUBST(runtimedir)
47 APACHE_SUBST(proxycachedir)
48 APACHE_SUBST(davlockdb)
49 APACHE_SUBST(other_targets)
50 APACHE_SUBST(progname)
56 APACHE_SUBST(CPPFLAGS)
58 APACHE_SUBST(CXXFLAGS)
59 APACHE_SUBST(CC_FOR_BUILD)
60 APACHE_SUBST(CFLAGS_FOR_BUILD)
63 APACHE_SUBST(LT_LDFLAGS)
64 APACHE_SUBST(SH_LDFLAGS)
65 APACHE_SUBST(HTTPD_LDFLAGS)
66 APACHE_SUBST(UTIL_LDFLAGS)
69 APACHE_SUBST(INCLUDES)
70 APACHE_SUBST(NOTEST_CPPFLAGS)
71 APACHE_SUBST(NOTEST_CFLAGS)
72 APACHE_SUBST(NOTEST_CXXFLAGS)
73 APACHE_SUBST(NOTEST_LDFLAGS)
74 APACHE_SUBST(NOTEST_LIBS)
75 APACHE_SUBST(EXTRA_CPPFLAGS)
76 APACHE_SUBST(EXTRA_CFLAGS)
77 APACHE_SUBST(EXTRA_CXXFLAGS)
78 APACHE_SUBST(EXTRA_LDFLAGS)
79 APACHE_SUBST(EXTRA_LIBS)
80 APACHE_SUBST(EXTRA_INCLUDES)
81 APACHE_SUBST(INTERNAL_CPPFLAGS)
85 APACHE_SUBST(MODULE_DIRS)
86 APACHE_SUBST(MODULE_CLEANDIRS)
89 APACHE_SUBST(CORE_IMPLIB_FILE)
90 APACHE_SUBST(CORE_IMPLIB)
92 APACHE_SUBST(SH_LIBTOOL)
93 APACHE_SUBST(MK_IMPLIB)
95 APACHE_SUBST(INSTALL_PROG_FLAGS)
96 APACHE_SUBST(MPM_MODULES)
97 APACHE_SUBST(ENABLED_MPM_MODULE)
98 APACHE_SUBST(DSO_MODULES)
99 APACHE_SUBST(ENABLED_DSO_MODULES)
100 APACHE_SUBST(LOAD_ALL_MODULES)
101 APACHE_SUBST(APR_BINDIR)
102 APACHE_SUBST(APR_INCLUDEDIR)
103 APACHE_SUBST(APR_VERSION)
104 APACHE_SUBST(APR_CONFIG)
105 APACHE_SUBST(APU_BINDIR)
106 APACHE_SUBST(APU_INCLUDEDIR)
107 APACHE_SUBST(APU_VERSION)
108 APACHE_SUBST(APU_CONFIG)
109 APACHE_SUBST(APREQ_MAJOR_VERSION)
110 APACHE_SUBST(APREQ_LIBTOOL_VERSION)
112 abs_srcdir="`(cd $srcdir && pwd)`"
114 AC_MSG_NOTICE([creating config_vars.mk])
115 test -d build || $mkdir_p build
116 > build/config_vars.mk
117 for i in $APACHE_VAR_SUBST; do
118 eval echo "$i = \$$i" >> build/config_vars.mk
122 dnl APACHE_GEN_MAKEFILES
123 dnl Creates Makefiles
124 AC_DEFUN([APACHE_GEN_MAKEFILES],[
125 $SHELL $srcdir/build/fastgen.sh $srcdir $ac_cv_mkdir_p $BSD_MAKEFILE $APACHE_FAST_OUTPUT_FILES
129 dnl APACHE_TYPE_RLIM_T
131 dnl If rlim_t is not defined, define it to int
133 AC_DEFUN([APACHE_TYPE_RLIM_T], [
134 AC_CACHE_CHECK([for rlim_t], ac_cv_type_rlim_t, [
136 #include <sys/types.h>
137 #include <sys/time.h>
138 #include <sys/resource.h>
139 ], [rlim_t spoon;], [
140 ac_cv_type_rlim_t=yes
141 ],[ac_cv_type_rlim_t=no
144 if test "$ac_cv_type_rlim_t" = "no" ; then
145 AC_DEFINE(rlim_t, int,
146 [Define to 'int' if <sys/resource.h> doesn't define it for us])
150 dnl the list of build variables which are available for customization on a
151 dnl per module subdir basis (to be inserted into modules.mk with a "MOD_"
152 dnl prefix, i.e. MOD_CFLAGS etc.). Used in APACHE_MODPATH_{INIT,FINISH}.
153 define(mod_buildvars, [CFLAGS CXXFLAGS CPPFLAGS LDFLAGS LIBS INCLUDES])
155 dnl APACHE_MODPATH_INIT(modpath)
156 AC_DEFUN([APACHE_MODPATH_INIT],[
158 modpath_current=modules/$1
161 for var in mod_buildvars; do
164 test -d $1 || $srcdir/build/mkdir.sh $modpath_current
165 > $modpath_current/modules.mk
168 AC_DEFUN([APACHE_MODPATH_FINISH],[
169 echo "DISTCLEAN_TARGETS = modules.mk" >> $modpath_current/modules.mk
170 echo "static = $modpath_static" >> $modpath_current/modules.mk
171 echo "shared = $modpath_shared" >> $modpath_current/modules.mk
172 for var in mod_buildvars; do
173 if eval val=\"\$MOD_$var\"; test -n "$val"; then
174 echo "MOD_$var = $val" >> $modpath_current/modules.mk
177 if test ! -z "$modpath_static" -o ! -z "$modpath_shared"; then
178 MODULE_DIRS="$MODULE_DIRS $current_dir"
180 MODULE_CLEANDIRS="$MODULE_CLEANDIRS $current_dir"
182 APACHE_FAST_OUTPUT($modpath_current/Makefile)
185 dnl APACHE_MODPATH_ADD(name[, shared[, objects [, ldflags[, libs]]]])
186 AC_DEFUN([APACHE_MODPATH_ADD],[
187 if test -z "$3"; then
193 if test -z "$module_standalone"; then
194 if test -z "$2"; then
195 # The filename of a convenience library must have a "lib" prefix:
196 libname="libmod_$1.la"
197 BUILTIN_LIBS="$BUILTIN_LIBS $modpath_current/$libname"
198 modpath_static="$modpath_static $libname"
199 cat >>$modpath_current/modules.mk<<EOF
201 \$(MOD_LINK) $objects $5
203 if test ! -z "$5"; then
204 APR_ADDTO(AP_LIBS, [$5])
207 apache_need_shared=yes
209 shobjects=`echo $objects | sed 's/\.lo/.slo/g'`
210 modpath_shared="$modpath_shared $libname"
211 cat >>$modpath_current/modules.mk<<EOF
213 \$(SH_LINK) -rpath \$(libexecdir) -module -avoid-version $4 $objects $5
218 dnl Same as APACHE_MODPATH_INIT/FINISH but for MPMs
219 dnl APACHE_MPMPATH_INIT(mpmpath)
220 AC_DEFUN([APACHE_MPMPATH_INIT],[
222 modpath_current=server/mpm/$1
225 for var in mod_buildvars; do
228 test -d $1 || $srcdir/build/mkdir.sh $modpath_current
229 > $modpath_current/modules.mk
232 AC_DEFUN([APACHE_MPMPATH_FINISH],[
233 for var in mod_buildvars; do
234 if eval val=\"\$MOD_$var\"; test -n "$val"; then
235 echo "MOD_$var = $val" >> $modpath_current/modules.mk
241 dnl APACHE_MPM_MODULE(name[, shared[, objects[, config[, path[, libs]]]]])
243 dnl Provide information for building the MPM. (Enablement is handled using
244 dnl --with-mpm/--enable-mpms-shared.)
246 dnl name -- name of MPM, same as MPM directory name
247 dnl shared -- "shared" to indicate shared module build, empty string otherwise
248 dnl objects -- one or more .lo files to link into the MPM module (default: mpmname.lo)
249 dnl config -- configuration logic to run if the MPM is enabled
250 dnl path -- relative path to MPM (default: server/mpm/mpmname)
251 dnl libs -- libs needed by this MPM
253 AC_DEFUN([APACHE_MPM_MODULE],[
254 if ap_mpm_is_enabled $1; then
255 if test -z "$3"; then
261 if test -z "$5"; then
262 mpmpath="server/mpm/$1"
268 test -d $mpmpath || $srcdir/build/mkdir.sh $mpmpath
270 APACHE_FAST_OUTPUT($mpmpath/Makefile)
272 if test -z "$2"; then
273 APR_ADDTO(AP_LIBS, [$6])
275 cat >>$mpmpath/modules.mk<<EOF
277 \$(MOD_LINK) $objects
278 DISTCLEAN_TARGETS = modules.mk
283 apache_need_shared=yes
284 libname="mod_mpm_$1.la"
285 shobjects=`echo $objects | sed 's/\.lo/.slo/g'`
286 cat >>$mpmpath/modules.mk<<EOF
288 \$(SH_LINK) -rpath \$(libexecdir) -module -avoid-version $objects $6
289 DISTCLEAN_TARGETS = modules.mk
293 MPM_MODULES="$MPM_MODULES mpm_$1"
294 # add default MPM to LoadModule list
295 if test $1 = $default_mpm; then
296 ENABLED_MPM_MODULE="mpm_$1"
304 dnl APACHE_MODULE(name, helptext[, objects[, structname[, default[, config[, prereq_module]]]]])
306 dnl default is one of:
307 dnl yes -- enabled by default. user must explicitly disable.
308 dnl no -- disabled under default, most, all. user must explicitly enable.
309 dnl most -- disabled by default. enabled explicitly or with most or all.
310 dnl static -- enabled as static by default, must be explicitly changed.
311 dnl "" -- disabled under default, most. enabled explicitly or with all.
312 dnl XXX: The arg must really be empty here. Passing an empty shell
313 dnl XXX: variable doesn't work for some reason. This should be
316 dnl basically: yes/no is a hard setting. "most" means follow the "most"
317 dnl setting. otherwise, fall under the "all" setting.
318 dnl explicit yes/no always overrides, except if the user selects
321 dnl prereq_module is a module (without the "mod_" prefix) that must be enabled
322 dnl if the current module is enabled. If the current module is built
323 dnl statically, prereq_module must be built statically, too. If these
324 dnl conditions are not fulfilled, configure will abort if the current module
325 dnl has been enabled explicitly. Otherwise, configure will disable the
327 dnl prereq_module's APACHE_MODULE() statement must have been processed
328 dnl before the current APACHE_MODULE() statement.
330 AC_DEFUN([APACHE_MODULE],[
331 AC_MSG_CHECKING(whether to enable mod_$1)
332 define([optname],[--]ifelse($5,yes,disable,enable)[-]translit($1,_,-))dnl
333 AC_ARG_ENABLE(translit($1,_,-),APACHE_HELP_STRING(optname(),$2),force_$1=$enableval,enable_$1=ifelse($5,,maybe-all,$5))
334 undefine([optname])dnl
336 dnl If the module was not explicitly requested, allow it to disable itself if
337 dnl its pre-reqs fail.
340 _apmod_required="yes"
346 if test "$enable_$1" = "static" -o "$enable_$1" = "shared"; then
348 elif test "$enable_$1" = "yes"; then
349 enable_$1=$module_default
350 elif test "$enable_$1" = "few"; then
351 if test "$module_selection" = "few" -o "$module_selection" = "most" -o \
352 "$module_selection" = "all" -o "$module_selection" = "reallyall"
354 enable_$1=$module_default
358 _apmod_extra_msg=" ($module_selection)"
359 elif test "$enable_$1" = "most"; then
360 if test "$module_selection" = "most" -o "$module_selection" = "all" -o \
361 "$module_selection" = "reallyall"
363 enable_$1=$module_default
367 _apmod_extra_msg=" ($module_selection)"
368 elif test "$enable_$1" = "all" -o "$enable_$1" = "maybe-all"; then
369 if test "$module_selection" = "all" -o "$module_selection" = "reallyall"
371 enable_$1=$module_default
372 _apmod_extra_msg=" ($module_selection)"
376 elif test "$enable_$1" = "reallyall" -o "$enable_$1" = "no" ; then
377 if test "$module_selection" = "reallyall" -a "$force_$1" != "no" ; then
378 enable_$1=$module_default
379 _apmod_extra_msg=" ($module_selection)"
386 if test "$enable_$1" != "no"; then
387 dnl If we plan to enable it, allow the module to run some autoconf magic
388 dnl that may disable it because of missing dependencies.
390 [AC_MSG_RESULT([checking dependencies])
391 ifelse([$7],,:,[m4_foreach([prereq],[$7],
392 [if test "$enable_[]prereq" = "no" ; then
394 AC_MSG_WARN("mod_[]prereq is disabled but required for mod_$1")
395 elif test "$enable_$1" = "static" && test "$enable_[]prereq" != "static" ; then
396 enable_$1=$enable_[]prereq
397 AC_MSG_WARN("building mod_$1 shared because mod_[]prereq is built shared")
399 ifelse([$6],,:,[ $6])
401 AC_MSG_CHECKING(whether to enable mod_$1)
402 if test "$enable_$1" = "no"; then
403 if test "$_apmod_required" = "no"; then
404 _apmod_extra_msg=" (disabled)"
406 AC_MSG_ERROR([mod_$1 has been requested but can not be built due to prerequisite failures])
410 AC_MSG_RESULT($enable_$1$_apmod_extra_msg)
411 if test "$enable_$1" != "no"; then
414 MODLIST="$MODLIST ifelse($4,,$1,$4)"
415 if test "$1" = "so"; then
422 DSO_MODULES="$DSO_MODULES $1"
423 if test "$5" = "yes" ; then
424 ENABLED_DSO_MODULES="${ENABLED_DSO_MODULES},$1"
428 define([modprefix], [MOD_]translit($1, [a-z-], [A-Z_]))
429 APACHE_MODPATH_ADD($1, $shared, $3,, [\$(]modprefix[_LDADD)])
430 APACHE_SUBST(modprefix[_LDADD])
431 undefine([modprefix])
436 dnl APACHE_ENABLE_MODULES
438 AC_DEFUN([APACHE_ENABLE_MODULES],[
439 module_selection=most
440 module_default=shared
442 dnl Check whether we have DSO support.
443 dnl If "yes", we build shared modules by default.
444 APR_CHECK_APR_DEFINE(APR_HAS_DSO)
446 if test $ac_cv_define_APR_HAS_DSO = "no"; then
447 AC_MSG_WARN([Missing DSO support - building static modules by default.])
448 module_default=static
452 AC_ARG_ENABLE(modules,
453 APACHE_HELP_STRING(--enable-modules=MODULE-LIST,Space-separated list of modules to enable | "all" | "most" | "few" | "none" | "reallyall"),[
454 if test "$enableval" = "none"; then
456 module_selection=none
458 for i in $enableval; do
459 if test "$i" = "all" -o "$i" = "most" -o "$i" = "few" -o "$i" = "reallyall"
463 i=`echo $i | sed 's/-/_/g'`
464 eval "enable_$i=shared"
470 AC_ARG_ENABLE(mods-shared,
471 APACHE_HELP_STRING(--enable-mods-shared=MODULE-LIST,Space-separated list of shared modules to enable | "all" | "most" | "few" | "reallyall"),[
472 for i in $enableval; do
473 if test "$i" = "all" -o "$i" = "most" -o "$i" = "few" -o "$i" = "reallyall"
476 module_default=shared
478 i=`echo $i | sed 's/-/_/g'`
479 eval "enable_$i=shared"
484 AC_ARG_ENABLE(mods-static,
485 APACHE_HELP_STRING(--enable-mods-static=MODULE-LIST,Space-separated list of static modules to enable | "all" | "most" | "few" | "reallyall"),[
486 for i in $enableval; do
487 if test "$i" = "all" -o "$i" = "most" -o "$i" = "few" -o "$i" = "reallyall"; then
489 module_default=static
491 i=`echo $i | sed 's/-/_/g'`
492 eval "enable_$i=static"
498 AC_DEFUN([APACHE_REQUIRE_CXX],[
499 if test -z "$apache_cxx_done"; then
507 dnl APACHE_CHECK_OPENSSL
509 dnl Configure for OpenSSL, giving preference to
510 dnl "--with-ssl=<path>" if it was specified.
512 AC_DEFUN([APACHE_CHECK_OPENSSL],[
513 AC_CACHE_CHECK([for OpenSSL], [ac_cv_openssl], [
514 dnl initialise the variables we use
519 ap_openssl_mod_cflags=""
520 ap_openssl_mod_ldflags=""
522 dnl Determine the OpenSSL base directory, if any
523 AC_MSG_CHECKING([for user-provided OpenSSL base directory])
524 AC_ARG_WITH(ssl, APACHE_HELP_STRING(--with-ssl=PATH,OpenSSL installation directory), [
525 dnl If --with-ssl specifies a directory, we use that directory
526 if test "x$withval" != "xyes" -a "x$withval" != "x"; then
527 dnl This ensures $withval is actually a directory and that it is absolute
528 ap_openssl_base="`cd $withval ; pwd`"
531 if test "x$ap_openssl_base" = "x"; then
534 AC_MSG_RESULT($ap_openssl_base)
537 dnl Run header and version checks
538 saved_CPPFLAGS="$CPPFLAGS"
540 saved_LDFLAGS="$LDFLAGS"
542 dnl Before doing anything else, load in pkg-config variables
543 if test -n "$PKGCONFIG"; then
544 saved_PKG_CONFIG_PATH="$PKG_CONFIG_PATH"
545 if test "x$ap_openssl_base" != "x" -a \
546 -f "${ap_openssl_base}/lib/pkgconfig/openssl.pc"; then
547 dnl Ensure that the given path is used by pkg-config too, otherwise
548 dnl the system openssl.pc might be picked up instead.
549 PKG_CONFIG_PATH="${ap_openssl_base}/lib/pkgconfig${PKG_CONFIG_PATH+:}${PKG_CONFIG_PATH}"
550 export PKG_CONFIG_PATH
552 AC_ARG_ENABLE(ssl-staticlib-deps,APACHE_HELP_STRING(--enable-ssl-staticlib-deps,[link mod_ssl with dependencies of OpenSSL's static libraries (as indicated by "pkg-config --static"). Must be specified in addition to --enable-ssl.]), [
553 if test "$enableval" = "yes"; then
554 PKGCONFIG_LIBOPTS="--static"
557 ap_openssl_libs="`$PKGCONFIG $PKGCONFIG_LIBOPTS --libs-only-l --silence-errors openssl`"
558 if test $? -eq 0; then
559 ap_openssl_found="yes"
560 pkglookup="`$PKGCONFIG --cflags-only-I openssl`"
561 APR_ADDTO(CPPFLAGS, [$pkglookup])
562 APR_ADDTO(MOD_CFLAGS, [$pkglookup])
563 APR_ADDTO(ab_CFLAGS, [$pkglookup])
564 pkglookup="`$PKGCONFIG $PKGCONFIG_LIBOPTS --libs-only-L openssl`"
565 APR_ADDTO(LDFLAGS, [$pkglookup])
566 APR_ADDTO(MOD_LDFLAGS, [$pkglookup])
567 pkglookup="`$PKGCONFIG $PKGCONFIG_LIBOPTS --libs-only-other openssl`"
568 APR_ADDTO(LDFLAGS, [$pkglookup])
569 APR_ADDTO(MOD_LDFLAGS, [$pkglookup])
571 PKG_CONFIG_PATH="$saved_PKG_CONFIG_PATH"
574 dnl fall back to the user-supplied directory if not found via pkg-config
575 if test "x$ap_openssl_base" != "x" -a "x$ap_openssl_found" = "x"; then
576 APR_ADDTO(CPPFLAGS, [-I$ap_openssl_base/include])
577 APR_ADDTO(MOD_CFLAGS, [-I$ap_openssl_base/include])
578 APR_ADDTO(ab_CFLAGS, [-I$ap_openssl_base/include])
579 APR_ADDTO(LDFLAGS, [-L$ap_openssl_base/lib])
580 APR_ADDTO(MOD_LDFLAGS, [-L$ap_openssl_base/lib])
581 if test "x$ap_platform_runtime_link_flag" != "x"; then
582 APR_ADDTO(LDFLAGS, [$ap_platform_runtime_link_flag$ap_openssl_base/lib])
583 APR_ADDTO(MOD_LDFLAGS, [$ap_platform_runtime_link_flag$ap_openssl_base/lib])
587 AC_MSG_CHECKING([for OpenSSL version >= 0.9.8a])
588 AC_TRY_COMPILE([#include <openssl/opensslv.h>],[
589 #if !defined(OPENSSL_VERSION_NUMBER)
590 #error "Missing OpenSSL version"
592 #if OPENSSL_VERSION_NUMBER < 0x0090801f
593 #error "Unsupported OpenSSL version " OPENSSL_VERSION_TEXT
597 [AC_MSG_RESULT(FAILED)])
599 if test "x$ac_cv_openssl" = "xyes"; then
600 ap_openssl_libs="${ap_openssl_libs:--lssl -lcrypto} `$apr_config --libs`"
601 APR_ADDTO(MOD_LDFLAGS, [$ap_openssl_libs])
602 APR_ADDTO(LIBS, [$ap_openssl_libs])
603 APR_SETVAR(ab_LIBS, [$MOD_LDFLAGS])
604 APACHE_SUBST(ab_CFLAGS)
605 APACHE_SUBST(ab_LIBS)
607 dnl Run library and function checks
609 AC_CHECK_HEADERS([openssl/engine.h])
610 AC_CHECK_FUNCS([SSL_CTX_new], [], [liberrors="yes"])
611 AC_CHECK_FUNCS([ENGINE_init ENGINE_load_builtin_engines RAND_egd \
612 CRYPTO_set_id_callback])
613 if test "x$liberrors" != "x"; then
614 AC_MSG_WARN([OpenSSL libraries are unusable])
617 AC_MSG_WARN([OpenSSL version is too old])
621 CPPFLAGS="$saved_CPPFLAGS"
623 LDFLAGS="$saved_LDFLAGS"
625 dnl cache MOD_LDFLAGS, MOD_CFLAGS
626 ap_openssl_mod_cflags=$MOD_CFLAGS
627 ap_openssl_mod_ldflags=$MOD_LDFLAGS
629 if test "x$ac_cv_openssl" = "xyes"; then
630 AC_DEFINE(HAVE_OPENSSL, 1, [Define if OpenSSL is available])
631 APR_ADDTO(MOD_LDFLAGS, [$ap_openssl_mod_ldflags])
632 APR_ADDTO(MOD_CFLAGS, [$ap_openssl_mod_cflags])
635 dnl On most platforms, the default multithreading logic in OpenSSL 1.0.x uses
636 dnl a threadid that is based on the address of errno. We need to double-check
637 dnl that &errno is, in fact, different for each thread before using that
639 AC_CACHE_CHECK([if OpenSSL can use &errno as a THREADID],
640 [ac_cv_openssl_use_errno_threadid], [
641 ac_cv_openssl_use_errno_threadid=no
646 CFLAGS=`$apr_config --cflags --cppflags --includes`
647 LIBS=`$apr_config --link-ld`
653 #include "apr_pools.h"
654 #include "apr_thread_cond.h"
655 #include "apr_thread_proc.h"
657 #define NUM_THREADS 10
660 apr_thread_mutex_t *mutex;
661 apr_thread_cond_t *cv;
667 * Thread entry point. Waits for all the threads to be started, then
668 * records the address of errno into the thread_data.
670 void * APR_THREAD_FUNC tmain(apr_thread_t *thread, void *data)
672 struct thread_data *tdata = data;
674 /* The only point of this barrier is to make sure that all threads
675 * are started before we record &errno, hopefully preventing any
676 * false negatives in case a platform "recycles" threads. */
677 apr_thread_mutex_lock(tdata->mutex);
678 ++(*tdata->init_count);
680 if (*tdata->init_count == NUM_THREADS) {
681 apr_thread_cond_broadcast(tdata->cv);
683 while (*tdata->init_count != NUM_THREADS) {
684 apr_thread_cond_wait(tdata->cv, tdata->mutex);
687 apr_thread_mutex_unlock(tdata->mutex);
689 tdata->errno_addr = &errno;
699 apr_thread_mutex_t *mutex;
700 apr_thread_cond_t *cv;
703 struct thread_data tdata[NUM_THREADS] = { 0 };
704 apr_thread_t *threads[NUM_THREADS] = { 0 };
706 if (apr_initialize() != APR_SUCCESS) {
710 /* Set up the shared APR primitives. */
711 if ((apr_pool_create(&pool, NULL) != APR_SUCCESS)
712 || (apr_thread_mutex_create(&mutex, 0, pool) != APR_SUCCESS)
713 || (apr_thread_cond_create(&cv, pool) != APR_SUCCESS)) {
718 /* Start every thread. */
719 for (i = 0; i < NUM_THREADS; ++i) {
720 tdata[i].mutex = mutex;
722 tdata[i].init_count = &init_count;
724 status = apr_thread_create(&threads[i], NULL, tmain, &tdata[i],
726 if (status != APR_SUCCESS) {
732 /* Wait for them to finish (they'll record and exit after every one
733 * has been started). */
734 for (i = 0; i < NUM_THREADS; ++i) {
735 apr_thread_join(&status, threads[i]);
736 if (status != APR_SUCCESS) {
742 /* Check that no addresses were duplicated. */
743 for (i = 0; i < NUM_THREADS - 1; ++i) {
744 for (j = i + 1; j < NUM_THREADS; ++j) {
745 if (tdata[i].errno_addr == tdata[j].errno_addr) {
757 ac_cv_openssl_use_errno_threadid=yes
759 ac_cv_openssl_use_errno_threadid=no
761 dnl Assume the worst when cross-compiling; users can override via either
762 dnl cachevars or the config header if necessary.
763 ac_cv_openssl_use_errno_threadid=no
769 if test "x$ac_cv_openssl_use_errno_threadid" = "xyes"; then
770 AC_DEFINE(AP_OPENSSL_USE_ERRNO_THREADID, 1,
771 [Define if OpenSSL can use an errno-based threadid callback on this platform])
776 dnl APACHE_CHECK_SERF
778 dnl Configure for the detected libserf, giving preference to
779 dnl "--with-serf=<path>" if it was specified.
781 AC_DEFUN([APACHE_CHECK_SERF], [
782 AC_CACHE_CHECK([for libserf], [ac_cv_serf], [
786 AC_ARG_WITH(serf, APACHE_HELP_STRING([--with-serf=PATH],
787 [Serf client library]),
789 if test "$withval" = "yes" ; then
796 if test "$serf_prefix" != "no" ; then
797 save_cppflags="$CPPFLAGS"
798 CPPFLAGS="$CPPFLAGS $APR_INCLUDES $APU_INCLUDES -I$serf_prefix/include/serf-0"
799 AC_CHECK_HEADERS(serf.h,[
800 save_ldflags="$LDFLAGS"
801 LDFLAGS="$LDFLAGS -L$serf_prefix/lib"
802 AC_CHECK_LIB(serf-0, serf_context_create,[ac_cv_serf="yes"])
803 LDFLAGS="$save_ldflags"])
804 CPPFLAGS="$save_cppflags"
808 APACHE_SUBST(SERF_LIBS)
809 if test "$ac_cv_serf" = "yes"; then
810 AC_DEFINE(HAVE_SERF, 1, [Define if libserf is available])
811 APR_SETVAR(SERF_LIBS, [-L$serf_prefix/lib -lserf-0])
812 APR_ADDTO(MOD_INCLUDES, [-I$serf_prefix/include/serf-0])
816 AC_DEFUN([APACHE_CHECK_SYSTEMD], [
817 dnl Check for systemd support for listen.c's socket activation.
820 if test -n "$PKGCONFIG" && $PKGCONFIG --exists libsystemd; then
821 SYSTEMD_LIBS=`$PKGCONFIG --libs libsystemd`
822 elif test -n "$PKGCONFIG" && $PKGCONFIG --exists libsystemd-daemon; then
823 SYSTEMD_LIBS=`$PKGCONFIG --libs libsystemd-daemon`
825 AC_CHECK_LIB(systemd-daemon, sd_notify, SYSTEMD_LIBS="-lsystemd-daemon")
827 if test -n "$SYSTEMD_LIBS"; then
828 AC_CHECK_HEADERS(systemd/sd-daemon.h)
829 if test "${ac_cv_header_systemd_sd_daemon_h}" = "no" || test -z "${SYSTEMD_LIBS}"; then
830 AC_MSG_WARN([Your system does not support systemd.])
832 APR_ADDTO(HTTPD_LIBS, [$SYSTEMD_LIBS])
833 AC_DEFINE(HAVE_SYSTEMD, 1, [Define if systemd is supported])
841 dnl APACHE_EXPORT_ARGUMENTS
842 dnl Export (via APACHE_SUBST) the various path-related variables that
843 dnl apache will use while generating scripts like autoconf and apxs and
844 dnl the default config file.
846 AC_DEFUN([APACHE_SUBST_EXPANDED_ARG],[
847 APR_EXPAND_VAR(exp_$1, [$]$1)
849 APR_PATH_RELATIVE(rel_$1, [$]exp_$1, ${prefix})
853 AC_DEFUN([APACHE_EXPORT_ARGUMENTS],[
854 APACHE_SUBST_EXPANDED_ARG(exec_prefix)
855 APACHE_SUBST_EXPANDED_ARG(bindir)
856 APACHE_SUBST_EXPANDED_ARG(sbindir)
857 APACHE_SUBST_EXPANDED_ARG(libdir)
858 APACHE_SUBST_EXPANDED_ARG(libexecdir)
859 APACHE_SUBST_EXPANDED_ARG(mandir)
860 APACHE_SUBST_EXPANDED_ARG(sysconfdir)
861 APACHE_SUBST_EXPANDED_ARG(datadir)
862 APACHE_SUBST_EXPANDED_ARG(installbuilddir)
863 APACHE_SUBST_EXPANDED_ARG(errordir)
864 APACHE_SUBST_EXPANDED_ARG(iconsdir)
865 APACHE_SUBST_EXPANDED_ARG(htdocsdir)
866 APACHE_SUBST_EXPANDED_ARG(manualdir)
867 APACHE_SUBST_EXPANDED_ARG(cgidir)
868 APACHE_SUBST_EXPANDED_ARG(includedir)
869 APACHE_SUBST_EXPANDED_ARG(localstatedir)
870 APACHE_SUBST_EXPANDED_ARG(runtimedir)
871 APACHE_SUBST_EXPANDED_ARG(logfiledir)
872 APACHE_SUBST_EXPANDED_ARG(proxycachedir)
873 APACHE_SUBST_EXPANDED_ARG(davlockdb)
877 dnl APACHE_CHECK_APxVER({apr|apu}, major, minor,
878 dnl [actions-if-ok], [actions-if-not-ok])
880 dnl Checks for APR or APR-util of given major/minor version or later;
881 dnl if so, runs actions-if-ok; otherwise runs actions-if-not-ok if given.
882 dnl If the version is not satisfactory and actions-if-not-ok is not
883 dnl given, then an error is printed and the configure script is aborted.
885 dnl The first argument must be [apr] or [apu].
887 AC_DEFUN([APACHE_CHECK_APxVER], [
888 define(ap_ckver_major, translit($1, [apru], [APRU])[_MAJOR_VERSION])
889 define(ap_ckver_minor, translit($1, [apru], [APRU])[_MINOR_VERSION])
890 define(ap_ckver_cvar, [ap_cv_$1ver$2$3])
891 define(ap_ckver_name, ifelse([$1],[apr],[APR],[APR-util]))
893 ap_ckver_CPPFLAGS="$CPPFLAGS"
894 CPPFLAGS="$CPPFLAGS `$[$1]_config --includes`"
896 AC_CACHE_CHECK([for ap_ckver_name version $2.$3.0 or later], ap_ckver_cvar, [
897 AC_EGREP_CPP([good], [
898 #include <$1_version.h>
899 #if ]ap_ckver_major[ > $2 || (]ap_ckver_major[ == $2 && ]ap_ckver_minor[ >= $3)
902 ], [ap_ckver_cvar=yes], [ap_ckver_cvar=no])])
904 if test "$ap_ckver_cvar" = "yes"; then
905 ifelse([$4],[],[:],[$4])
907 ifelse([$5],[],[AC_MSG_ERROR([ap_ckver_name version $2.$3.0 or later is required])], [$5])
910 CPPFLAGS="$ap_ckver_CPPFLAGS"
912 undefine([ap_ckver_major])
913 undefine([ap_ckver_minor])
914 undefine([ap_ckver_cvar])
915 undefine([ap_ckver_name])
919 dnl APACHE_CHECK_VOID_PTR_LEN
921 dnl Checks if the size of a void pointer is at least as big as a "long"
924 AC_DEFUN([APACHE_CHECK_VOID_PTR_LEN], [
926 AC_CACHE_CHECK([for void pointer length], [ap_cv_void_ptr_lt_long],
930 return sizeof(void *) < sizeof(long);
931 }], [ap_cv_void_ptr_lt_long=no], [ap_cv_void_ptr_lt_long=yes],
932 [ap_cv_void_ptr_lt_long="cross compile - not checked"])])
934 if test "$ap_cv_void_ptr_lt_long" = "yes"; then
935 AC_MSG_ERROR([Size of "void *" is less than size of "long"])
940 dnl APACHE_CHECK_APR_HAS_LDAP
942 dnl Check if APR_HAS_LDAP is 1
943 dnl Unfortunately, we can't use APR_CHECK_APR_DEFINE (because it only includes apr.h)
944 dnl or APR_CHECK_DEFINE (because it only checks for defined'ness and not for 0/1).
946 AC_DEFUN([APACHE_CHECK_APR_HAS_LDAP], [
947 AC_CACHE_CHECK([for ldap support in apr/apr-util],ac_cv_APR_HAS_LDAP,[
948 apache_old_cppflags="$CPPFLAGS"
949 CPPFLAGS="$CPPFLAGS $INCLUDES"
950 AC_EGREP_CPP(YES_IS_DEFINED, [
951 #include <apr_ldap.h>
955 ], ac_cv_APR_HAS_LDAP=yes, ac_cv_APR_HAS_LDAP=no)
956 CPPFLAGS="$apache_old_cppflags"
961 dnl APACHE_ADD_GCC_CFLAG
963 dnl Check if compiler is gcc and supports flag. If yes, add to NOTEST_CFLAGS.
964 dnl NOTEST_CFLAGS is merged lately, thus it won't accumulate in CFLAGS here.
965 dnl Also, AC_LANG_PROGRAM() itself is known to trigger [-Wstrict-prototypes]
966 dnl with some autoconf versions, so we force -Wno-strict-prototypes for the
967 dnl check to avoid spurious failures when adding flags like -Werror.
969 AC_DEFUN([APACHE_ADD_GCC_CFLAG], [
970 define([ap_gcc_ckvar], [ac_cv_gcc_]translit($1, [-:.=], [____]))
971 if test "$GCC" = "yes"; then
972 AC_CACHE_CHECK([whether gcc accepts $1], ap_gcc_ckvar, [
973 save_CFLAGS="$CFLAGS"
974 CFLAGS="$CFLAGS $1 -Wno-strict-prototypes"
975 AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
976 [ap_gcc_ckvar=yes], [ap_gcc_ckvar=no])
977 CFLAGS="$save_CFLAGS"
979 if test "$]ap_gcc_ckvar[" = "yes" ; then
980 APR_ADDTO(NOTEST_CFLAGS,[$1])
983 undefine([ap_gcc_ckvar])