]> granicus.if.org Git - apache/blob - configure.in
Final step to make cross compilation working.
[apache] / configure.in
1 dnl
2 dnl Autoconf configuration for Apache httpd
3 dnl
4 dnl     Use ./buildconf to produce a configure script
5 dnl
6
7 AC_PREREQ(2.50)
8 AC_INIT(ABOUT_APACHE)
9
10 AC_CONFIG_HEADER(include/ap_config_auto.h)
11 AC_CONFIG_AUX_DIR(build)
12
13 dnl Absolute source/build directory
14 abs_srcdir=`(cd $srcdir && pwd)`
15 abs_builddir=`pwd`
16
17 dnl Ensure that the httpd version is included
18 HTTPD_VERSION=`$abs_srcdir/build/get-version.sh all $abs_srcdir/include/ap_release.h AP_SERVER`
19 AC_SUBST(HTTPD_VERSION)
20
21 dnl #
22 dnl # Include our own M4 macros along with those for APR and libtool
23 dnl #
24 sinclude(build/apr_common.m4)
25 sinclude(build/find_apr.m4)
26 sinclude(build/find_apu.m4)
27 sinclude(acinclude.m4)
28
29 dnl Later versions of autoconf (>= 2.62) by default cause the produced
30 dnl configure script to emit at least warnings when it comes across unknown
31 dnl command line options. These versions also have the macro
32 dnl AC_DISABLE_OPTION_CHECKING defined which turns this off by default.
33 dnl We want to have this turned off here since our configure calls can
34 dnl contain options for APR / APR-UTIL configure that are unknown to us.
35 dnl So avoid confusing the user by turning this off. See also PR 45221.
36 ifdef([AC_DISABLE_OPTION_CHECKING], [AC_DISABLE_OPTION_CHECKING])
37
38 dnl XXX we can't just use AC_PREFIX_DEFAULT because that isn't subbed in
39 dnl by configure until it is too late.  Is that how it should be or not?
40 dnl Something seems broken here.                                               
41 AC_PREFIX_DEFAULT(/usr/local/apache2)
42
43 dnl Get the layout here, so we can pass the required variables to apr
44 APR_ENABLE_LAYOUT(Apache, [errordir iconsdir htdocsdir cgidir])
45
46 dnl reparse the configure arguments.
47 APR_PARSE_ARGUMENTS
48
49 dnl export expanded and relative configure argument variables
50 APACHE_EXPORT_ARGUMENTS
51
52 dnl Save user-defined environment settings for later restoration
53 dnl
54 APR_SAVE_THE_ENVIRONMENT(CPPFLAGS)
55 APR_SAVE_THE_ENVIRONMENT(CFLAGS)
56 APR_SAVE_THE_ENVIRONMENT(CXXFLAGS)
57 APR_SAVE_THE_ENVIRONMENT(LDFLAGS)
58 APR_SAVE_THE_ENVIRONMENT(LIBS)
59 APR_SAVE_THE_ENVIRONMENT(INCLUDES)
60
61 dnl Generate ./config.nice for reproducing runs of configure
62 dnl
63 APR_CONFIG_NICE(config.nice)
64
65 nl='
66 '
67 dnl Check that mkdir -p works
68 APR_MKDIR_P_CHECK($top_srcdir/build/mkdir.sh)
69
70 dnl get an EGREP to use in the Makefiles
71 AC_PROG_EGREP
72 APACHE_SUBST(EGREP)
73
74 dnl ## Run configure for packages Apache uses
75
76 dnl shared library support for these packages doesn't currently
77 dnl work on some platforms
78
79 AC_CANONICAL_SYSTEM
80
81 orig_prefix="$prefix"
82
83 echo $ac_n "${nl}Configuring Apache Portable Runtime library ...${nl}"
84
85 AC_ARG_WITH(included-apr,
86 APACHE_HELP_STRING(--with-included-apr,Use bundled copies of APR/APR-Util))
87
88 if test "x$with_included_apr" = "xyes"; then
89   apr_found=reconfig
90   if test ! -d srclib/apr && test ! -d $srcdir/srclib/apr; then
91     AC_MSG_ERROR([Bundled APR requested but not found at ./srclib/. Download and unpack the corresponding apr and apr-util packages to ./srclib/.])
92   fi
93 else 
94   APR_FIND_APR("$srcdir/srclib/apr", "./srclib/apr", 1, 1 2)
95 fi
96
97 if test "$apr_found" = "no"; then
98   AC_MSG_ERROR([APR not found.  Please read the documentation.])
99 fi
100
101 if test "$apr_found" = "reconfig"; then
102   APR_SUBDIR_CONFIG(srclib/apr,
103                     [$apache_apr_flags --prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --includedir=$includedir --bindir=$bindir --datadir=$datadir --with-installbuilddir=$installbuilddir],
104                     [--enable-layout=*|\'--enable-layout=*])
105   dnl We must be the first to build and the last to be cleaned
106   AP_BUILD_SRCLIB_DIRS="apr $AP_BUILD_SRCLIB_DIRS"
107   AP_CLEAN_SRCLIB_DIRS="$AP_CLEAN_SRCLIB_DIRS apr"
108
109   dnl We have to find apr-N-config when we reconfigure APR.
110   for majorver in 1 2; do
111     test_apr_config="./srclib/apr/apr-${majorver}-config"
112     if test -f "$test_apr_config"; then
113       apr_config="$test_apr_config"
114     fi
115   done
116 fi
117
118 APR_SETIFNULL(CC, `$apr_config --cc`)
119 APR_SETIFNULL(CPP, `$apr_config --cpp`)
120 APR_ADDTO(CFLAGS, `$apr_config --cflags`)
121 APR_ADDTO(CPPFLAGS, `$apr_config --cppflags`)
122 dnl internal-only CPPFLAGS (shouldn't affect third-party module builds)
123 INTERNAL_CPPFLAGS=""
124 APR_ADDTO(LDFLAGS, `$apr_config --ldflags`)
125 SHLIBPATH_VAR=`$apr_config --shlib-path-var`
126 APR_BINDIR=`$apr_config --bindir`
127 APR_INCLUDEDIR=`$apr_config --includedir`
128 APR_INCLUDES=`$apr_config --includes`
129 APR_VERSION=`$apr_config --version`
130 apr_major_version=`echo ${APR_VERSION} | sed 's,\..*,,'`
131 APR_CONFIG="$APR_BINDIR/apr-${apr_major_version}-config"
132
133 echo $ac_n "${nl}Configuring Apache Portable Runtime Utility library...${nl}"
134
135 if test "x${apr_major_version}" = "x2"; then
136   apu_found=obsolete
137 elif test "x$with_included_apr" = "xyes"; then
138   apu_found=reconfig
139   if test ! -d srclib/apr-util && test ! -d $srcdir/srclib/apr-util; then
140     AC_MSG_ERROR([Bundled APR-Util requested but not found at ./srclib/. Download and unpack the corresponding apr and apr-util packages to ./srclib/.])
141   fi
142 else 
143    dnl If httpd is buildconf'ed against an apr 2.x tree, then 1.x
144    dnl isn't supported. 
145    ifdef([APR_FIND_APU], [
146      APR_FIND_APU("$srcdir/srclib/apr-util", "./srclib/apr-util", 
147                   1, ${apr_major_version})
148    ], [apu_found=no])
149 fi
150
151 if test "$apu_found" = "no"; then
152   AC_MSG_ERROR([APR-util not found.  Please read the documentation.])
153 fi
154
155 # Catch some misconfigurations:
156 case ${apr_found}.${apu_found} in
157 reconfig.yes)
158   AC_MSG_ERROR([Cannot use an external APR-util with the bundled APR])
159   ;;
160 yes.reconfig)
161   AC_MSG_ERROR([Cannot use an external APR with the bundled APR-util])
162   ;;
163 esac  
164
165 if test "$apu_found" = "reconfig"; then
166   APR_SUBDIR_CONFIG(srclib/apr-util,
167                     [--with-apr=../apr --prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --includedir=$includedir --bindir=$bindir],
168                     [--enable-layout=*|\'--enable-layout=*])
169   dnl We must be the last to build and the first to be cleaned
170   AP_BUILD_SRCLIB_DIRS="$AP_BUILD_SRCLIB_DIRS apr-util"
171   AP_CLEAN_SRCLIB_DIRS="apr-util $AP_CLEAN_SRCLIB_DIRS"
172   dnl APR and APR-Util major versions must match
173   apu_config="./srclib/apr-util/apu-${apr_major_version}-config"
174 fi
175
176 if test "$apu_found" = "obsolete"; then
177   AC_MSG_NOTICE([APR-util obsoleted, woohoo])
178 else
179   APR_ADDTO(LDFLAGS, `$apu_config --ldflags`)
180   APU_BINDIR=`$apu_config --bindir`
181   APU_INCLUDEDIR=`$apu_config --includedir`
182   APU_INCLUDES=`$apu_config --includes`
183   APU_VERSION=`$apu_config --version`
184   APU_CONFIG="$APU_BINDIR/apu-`echo ${APU_VERSION} | sed 's,\..*,,'`-config"
185 fi
186
187 dnl In case we picked up CC and CPP from APR, get that info into the
188 dnl config cache so that PCRE uses it.  Otherwise, CC and CPP used for
189 dnl PCRE and for our config tests will be whatever PCRE determines.
190 AC_PROG_CC
191 AC_PROG_CPP
192
193 dnl Try to get c99 support for variadic macros
194 ifdef([AC_PROG_CC_C99], [AC_PROG_CC_C99])
195
196 dnl In case of cross compilation we set CC_FOR_BUILD to cc unless
197 dnl we got already CC_FOR_BUILD from environment.
198 if test "x${build_alias}" != "x${host_alias}"; then
199   if test "x${CC_FOR_BUILD}" = "x"; then
200     CC_FOR_BUILD=cc
201   fi
202 fi
203
204 if test "x${cache_file}" = "x/dev/null"; then
205   # Likewise, ensure that CC and CPP are passed through to the pcre
206   # configure script iff caching is disabled (the autoconf 2.5x default).
207   export CC; export CPP
208 fi
209
210 AC_ARG_WITH(pcre,
211 APACHE_HELP_STRING(--with-pcre=PATH,Use external PCRE library))
212
213 AC_PATH_PROG(PCRE_CONFIG, pcre-config, false)
214 if test -d "$with_pcre" && test -x "$with_pcre/bin/pcre-config"; then
215    PCRE_CONFIG=$with_pcre/bin/pcre-config
216 elif test -x "$with_pcre"; then
217    PCRE_CONFIG=$with_pcre
218 fi
219
220 if test "$PCRE_CONFIG" != "false"; then
221   if $PCRE_CONFIG --version >/dev/null 2>&1; then :; else
222     AC_MSG_ERROR([Did not find pcre-config script at $PCRE_CONFIG])
223   fi
224   AC_MSG_NOTICE([Using external PCRE library from $PCRE_CONFIG])
225   APR_ADDTO(PCRE_INCLUDES, [`$PCRE_CONFIG --cflags`])
226   APR_ADDTO(PCRE_LIBS, [`$PCRE_CONFIG --libs`])
227 else
228   AC_MSG_ERROR([pcre-config for libpcre not found. PCRE is required and available from http://pcre.org/])
229 fi
230 APACHE_SUBST(PCRE_LIBS)
231
232 echo $ac_n "${nl}Configuring Apache httpd ...${nl}"
233
234 dnl If the source dir is not equal to the build dir, 
235 dnl then we are running in VPATH mode.
236
237 APR_ADDTO(INCLUDES, [-I.])
238
239 if test "$abs_builddir" != "$abs_srcdir"; then
240   APR_ADDTO(INCLUDES, [-I\$(top_builddir)/include])
241 fi
242
243 APR_ADDTO(INCLUDES, [-I\$(top_srcdir)/os/\$(OS_DIR) -I\$(top_srcdir)/include])
244
245 # apr/apr-util --includes may pick up system paths for dependent
246 # libraries, so ensure these are later in INCLUDES than local source
247 # directories.
248 APR_ADDTO(INCLUDES, $APR_INCLUDES)
249 APR_ADDTO(INCLUDES, $APU_INCLUDES)
250
251 dnl Add in path to PCRE includes
252 APR_ADDTO(INCLUDES, $PCRE_INCLUDES)
253
254 echo $ac_n "${nl}Applying OS-specific hints for httpd ...${nl}"
255
256 case $host in
257   *os2*)
258       # Use a custom made libtool replacement
259       echo "using aplibtool"
260       LIBTOOL="$abs_srcdir/srclib/apr/build/aplibtool"
261       SH_LIBTOOL="$LIBTOOL --shared --export-all"
262       SH_LIBS="\$(ALL_LIBS)"
263       CORE_IMPLIB_FILE="ApacheCoreOS2.la"
264       CORE_IMPLIB="$abs_srcdir/server/$CORE_IMPLIB_FILE"
265       MK_IMPLIB="emximp"
266       other_targets="$other_targets os2core"
267       INSTALL_PROG_FLAGS="-e .exe"
268       SHLTCFLAGS=""
269       LTCFLAGS=""
270       ;;
271   *)
272       if test "x$LTFLAGS" = "x"; then
273           LTFLAGS='--silent'
274       fi
275       my_libtool=`$apr_config --apr-libtool`
276       LIBTOOL="$my_libtool \$(LTFLAGS)"
277       libtoolversion=`$my_libtool --version`
278       case $libtoolversion in
279           *1.[[45]]* | *[[2-9]].[[0-9]]*)
280               SH_LIBTOOL='$(LIBTOOL)'
281               SHLTCFLAGS="-prefer-pic"
282               LTCFLAGS="-prefer-non-pic -static"
283               ;;
284           *)
285               SH_LIBTOOL='$(SHELL) $(top_builddir)/shlibtool $(LTFLAGS)'
286               SHLTCFLAGS=""
287               LTCFLAGS=""
288               ;;
289       esac
290       ;;
291 esac
292 APACHE_SUBST(SHLTCFLAGS)
293 APACHE_SUBST(LTCFLAGS)
294
295 case $host in
296   *-apple-aux3*)
297       APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
298       ;;
299   *os2-emx*)
300       APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
301       ;;
302   *-linux-*)
303       case `uname -r` in
304         2.[[2-9]]* ) 
305             APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
306             ;;
307         * )
308             ;;
309       esac
310       ;;
311   *486-*-bsdi* | *-netbsd* | *-freebsd* | *-apple-darwin* | *-dec-osf* | *-qnx)
312       APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
313       ;;
314   *-solaris2*)
315       dnl This is a hack -- we should be using AC_TRY_RUN instead
316       ap_platform_runtime_link_flag="-R"
317       dnl solaris 8 and above don't have a thundering herd
318       dnl not sure about rev's before this one.
319       case `uname -r` in
320         5.[567]*)
321             ;;
322         * )
323             APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
324             ;;
325       esac
326       ;;
327   *cygwin*)
328       APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
329       ;;
330   *mingw32*)
331       APR_ADDTO(INTERNAL_CPPFLAGS, [-DAP_DECLARE_EXPORT])
332       APR_SETIFNULL(ac_cv_func_times, [no])
333       APR_SETIFNULL(ac_cv_func_getpwnam, [no])
334       APR_SETIFNULL(ac_cv_func_getgrnam, [no])
335       ;;
336   *aix*)
337       aixver=`echo $host | sed 's/^[[^0-9]]*//' | sed 's/\.//g'`
338       if test $aixver -ge 4320; then
339         APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
340       fi
341       ;;
342   *os390*)
343       APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
344       ;;
345 esac
346
347 APR_SETVAR(AP_NONBLOCK_WHEN_MULTI_LISTEN, [1])
348
349 dnl
350 dnl Process command line arguments. This is done early in the process so the
351 dnl user can get feedback quickly in case of an error.
352 dnl
353 dnl ### need to move some of the arguments "up here"
354
355 dnl ## Check for programs
356
357 AC_PATH_PROG(RM, rm)
358 AC_PATH_PROG(PKGCONFIG, pkg-config)
359 AC_PATH_PROG(RSYNC, rsync)
360 AC_PROG_AWK
361 AC_PROG_LN_S
362 AC_CHECK_TOOL(RANLIB, ranlib, true)
363 dnl AC_PATH_PROG(PERL_PATH, perl)
364 AC_CHECK_PROGS(LYNX_PATH,[lynx links elinks], [lynx])
365
366 # Hard-coded install programs
367 MKINSTALLDIRS="\$(abs_srcdir)/build/mkdir.sh"
368 INSTALL="\$(LIBTOOL) --mode=install \$(abs_srcdir)/build/install.sh -c"
369 APACHE_SUBST(MKINSTALLDIRS)
370 APACHE_SUBST(INSTALL)
371
372 dnl Various OS checks that apparently set required flags
373 ifdef([AC_USE_SYSTEM_EXTENSIONS], [
374 AC_USE_SYSTEM_EXTENSIONS
375 ], [
376 AC_AIX
377 AC_MINIX
378 ])
379
380 AC_ISC_POSIX
381
382 # Ensure that satisfactory versions of apr and apr-util are 
383 # found if external copies are configured.
384 if test "${apr_found}" = "yes"; then
385   # Require at least APR 1.3.x otherwise fail
386   APACHE_CHECK_APxVER([apr], 1, 3)
387 fi
388
389 if test "${apu_found}" = "yes"; then
390   # Require at least APR-util 1.3.x otherwise fail
391   if test "${apr_found}" = "yes"; then
392     # we need to add the APR includes to CPPFLAGS
393     apu_ckver_CPPFLAGS="$CPPFLAGS"
394     CPPFLAGS="$CPPFLAGS `$apr_config --includes`"
395     APACHE_CHECK_APxVER([apu], 1, 3)
396     CPPFLAGS="$apu_ckver_CPPFLAGS"
397   else
398     APACHE_CHECK_APxVER([apu], 1, 3)
399   fi
400 fi
401
402 dnl Check for what we can generate dependency files with
403 APR_CHECK_DEPEND
404
405 dnl ## Check for libraries
406
407 dnl ## Check for header files
408
409 dnl I think these are just used all over the place, so just check for
410 dnl them at the base of the tree. If some are specific to a single
411 dnl directory, they should be moved (Comment #Spoon)
412
413 dnl Regarding standard header files: AC_HEADER_STDC doesn't set symbols
414 dnl HAVE_STRING_H, HAVE_STDLIB_H, etc., so those are checked for
415 dnl explicitly so that the normal HAVE_xxx_H symbol is defined.
416
417 AC_HEADER_STDC
418 AC_CHECK_HEADERS( \
419 string.h \
420 limits.h \
421 unistd.h \
422 sys/socket.h \
423 pwd.h \
424 grp.h \
425 strings.h \
426 sys/prctl.h \
427 sys/processor.h \
428 sys/sem.h \
429 sys/sdt.h
430 )
431 AC_HEADER_SYS_WAIT
432
433 dnl ## Check for typedefs, structures, and compiler characteristics.
434
435 AC_C_CONST
436
437 dnl ## Check for library functions
438 dnl ## sqrt() only needed in support/ab.c
439 saved_LIBS="$LIBS"
440 LIBS=""
441 AC_SEARCH_LIBS(sqrt, m)
442 MATH_LIBS="$LIBS"
443 APACHE_SUBST(MATH_LIBS)
444 LIBS="$saved_LIBS"
445
446 saved_LIBS="$LIBS"
447 LIBS=""
448 AC_SEARCH_LIBS(crypt, crypt)
449 CRYPT_LIBS="$LIBS"
450 APACHE_SUBST(CRYPT_LIBS)
451 LIBS="$saved_LIBS"
452
453 dnl See Comment #Spoon
454
455 AC_CHECK_FUNCS( \
456 getpwnam \
457 getgrnam \
458 initgroups \
459 bindprocessor \
460 prctl \
461 timegm \
462 getpgid \
463 fopen64
464 )
465
466 dnl confirm that a void pointer is large enough to store a long integer
467 APACHE_CHECK_VOID_PTR_LEN
468
469 AC_CACHE_CHECK([for gettid()], ac_cv_gettid,
470 [AC_TRY_RUN(#define _GNU_SOURCE
471 #include <unistd.h>
472 #include <sys/syscall.h>
473 #include <sys/types.h>
474 int main(int argc, char **argv) {
475 pid_t t = syscall(SYS_gettid); return t == -1 ? 1 : 0; },
476 [ac_cv_gettid=yes], [ac_cv_gettid=no], [ac_cv_gettid=no])])
477 if test "$ac_cv_gettid" = "yes"; then
478     AC_DEFINE(HAVE_GETTID, 1, [Define if you have gettid()])
479 fi
480
481 dnl ## Check for the tm_gmtoff field in struct tm to get the timezone diffs
482 AC_CACHE_CHECK([for tm_gmtoff in struct tm], ac_cv_struct_tm_gmtoff,
483 [AC_TRY_COMPILE([#include <sys/types.h>
484 #include <time.h>], [struct tm tm; tm.tm_gmtoff;],
485   ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no)])
486 if test "$ac_cv_struct_tm_gmtoff" = "yes"; then
487     AC_DEFINE(HAVE_GMTOFF, 1, [Define if struct tm has a tm_gmtoff field])
488 fi
489
490 dnl ## Set up any appropriate OS-specific environment variables for apachectl
491
492 case $host in
493     *aix*)
494         # for 32-bit builds, increase MAXDATA to allow lots of threads
495         if test x$OBJECT_MODE != x64; then
496             OS_SPECIFIC_VARS="LDR_CNTRL=\"MAXDATA=0x80000000\" ; export LDR_CNTRL ;"
497         fi
498         OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS AIXTHREAD_SCOPE=S ; export AIXTHREAD_SCOPE"
499         OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS ; AIXTHREAD_MUTEX_DEBUG=OFF ; export AIXTHREAD_MUTEX_DEBUG"
500         OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS ; AIXTHREAD_RWLOCK_DEBUG=OFF ; export AIXTHREAD_RWLOCK_DEBUG"
501         OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS ; AIXTHREAD_COND_DEBUG=OFF ; export AIXTHREAD_COND_DEBUG"
502         OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS ; SPINLOOPTIME=1000 ; export SPINLOOPTIME"
503         OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS ; YIELDLOOPTIME=8 ; export YIELDLOOPTIME"
504         OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS ; MALLOCMULTIHEAP=considersize,heaps:8 ; export MALLOCMULTIHEAP"
505         ;;
506     *os390*)
507         OS_SPECIFIC_VARS="export _CEE_RUNOPTS=\"STACK(,,ANY)\" ; export _EDC_ADD_ERRNO2=1"
508         ;;
509     *)
510         OS_SPECIFIC_VARS=""
511 esac
512       
513 AC_ARG_WITH(port,APACHE_HELP_STRING(--with-port=PORT,Port on which to listen (default is 80)),
514         [if test "$withval" = "yes"; then AC_MSG_ERROR('option --with-port requires a value (the TCP port number)'); else PORT="$withval"; fi],
515         [PORT=80])
516
517 AC_ARG_WITH(sslport,APACHE_HELP_STRING(--with-sslport=SSLPORT,Port on which to securelisten (default is 443)),
518         [if test "$withval" = "yes"; then AC_MSG_ERROR('option --with-sslport requires a value (the SSL TCP port number)'); else SSLPORT="$withval"; fi],
519         [SSLPORT=443])
520
521 DTRACE=true
522 AC_ARG_ENABLE(dtrace,APACHE_HELP_STRING(--enable-dtrace,Enable DTrace probes),
523 [
524   enable_dtrace=$enableval
525   APR_ADDTO(CPPFLAGS, -DAPR_DTRACE_PROVIDER)
526   AC_MSG_ERROR('DTrace Support in the build system is not complete. Patches Welcome!')
527 ],
528 [
529   enable_dtrace=no
530 ])
531
532 dnl Disabled dtrace build for now.
533 enable_dtrace=no
534
535 case $host in
536   *-solaris2*)
537     if test $enable_dtrace = "yes" -a "$ac_cv_header_sys_sdt_h" = "yes"; then
538         AC_DEFINE(AP_ENABLE_DTRACE, 1,
539                   [Enable DTrace probes])
540         DTRACE="/usr/sbin/dtrace $DTRACEFLAGS"
541         test -f include/apache_probes.h || $DTRACE -h -s apache_probes.d -o include/apache_probes.h
542     fi
543     ;;
544 esac
545
546 APACHE_SUBST(DTRACE)
547
548 AC_ARG_ENABLE(hook-probes,APACHE_HELP_STRING(--enable-hook-probes,Enable APR hook probes),
549 [
550     AC_DEFINE(AP_HOOK_PROBES_ENABLED, 1,
551         [Enable the APR hook probes capability, reading from ap_hook_probes.h])
552     APR_ADDTO(INTERNAL_CPPFLAGS, -DAP_HOOK_PROBES_ENABLED)
553 ])dnl
554
555 AC_ARG_ENABLE(exception-hook,APACHE_HELP_STRING(--enable-exception-hook,Enable fatal exception hook),
556 [
557     AC_DEFINE(AP_ENABLE_EXCEPTION_HOOK, 1,
558               [Allow modules to run hook after a fatal exception])
559 ])dnl
560
561 AC_ARG_ENABLE(load-all-modules,APACHE_HELP_STRING(--enable-load-all-modules,Load all modules),
562 [
563   LOAD_ALL_MODULES=$enableval
564   AC_MSG_NOTICE([Setting "LOAD_ALL_MODULES" to $LOAD_ALL_MODULES])
565 ],
566 [
567   LOAD_ALL_MODULES="no"
568 ])
569
570 AC_ARG_ENABLE(maintainer-mode,APACHE_HELP_STRING(--enable-maintainer-mode,Turn on debugging and compile time warnings and load all compiled modules),
571 [
572   APR_ADDTO(CPPFLAGS, -DAP_DEBUG)
573   if test "$GCC" = "yes"; then
574     APR_ADDTO(CFLAGS,[-Wall -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations -Wpointer-arith])
575     APACHE_ADD_GCC_CFLAG([-Wdeclaration-after-statement])
576     APACHE_ADD_GCC_CFLAG([-Werror=declaration-after-statement])
577     APACHE_ADD_GCC_CFLAG([-Wformat])
578     APACHE_ADD_GCC_CFLAG([-Wformat-security])
579     APACHE_ADD_GCC_CFLAG([-Werror=format-security])
580   elif test "$AIX_XLC" = "yes"; then
581     APR_ADDTO(CFLAGS,-qfullpath -qinitauto=FE -qcheck=all -qinfo=pro)
582   fi
583   if test "x$enable_load_all_modules" = "x"; then
584     LOAD_ALL_MODULES=yes
585     AC_MSG_NOTICE([Maintainer mode setting "LOAD_ALL_MODULES" to $LOAD_ALL_MODULES])
586   fi
587 ])dnl
588
589 AC_ARG_ENABLE(debugger-mode,APACHE_HELP_STRING(--enable-debugger-mode,Turn on debugging and compile time warnings and turn off optimization),
590 [
591   APR_ADDTO(CPPFLAGS, -DAP_DEBUG)
592   if test "$GCC" = "yes"; then
593     APR_ADDTO(CFLAGS,[-Wall -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations -Wpointer-arith -O0])
594     APACHE_ADD_GCC_CFLAG([-Wdeclaration-after-statement])
595     APACHE_ADD_GCC_CFLAG([-Werror=declaration-after-statement])
596     APACHE_ADD_GCC_CFLAG([-Wformat])
597     APACHE_ADD_GCC_CFLAG([-Wformat-security])
598     APACHE_ADD_GCC_CFLAG([-Werror=format-security])
599   elif test "$AIX_XLC" = "yes"; then
600     APR_ADDTO(CFLAGS,-qfullpath -qinitauto=FE -qcheck=all -qinfo=pro)
601   fi
602 ])dnl
603
604 dnl Conditionally enable PIE support for GNU toolchains.
605 AC_ARG_ENABLE(pie,APACHE_HELP_STRING(--enable-pie,Build httpd as a Position Independent Executable))
606 if test "$enable_pie" = "yes"; then
607    AC_CACHE_CHECK([whether $CC accepts PIE flags], [ap_cv_cc_pie], [
608      save_CFLAGS=$CFLAGS
609      save_LDFLAGS=$LDFLAGS
610      CFLAGS="$CFLAGS -fPIE"
611      LDFLAGS="$LDFLAGS -pie"
612      AC_TRY_RUN([static int foo[30000]; int main () { return 0; }],
613       [ap_cv_cc_pie=yes], [ap_cv_cc_pie=no], [ap_cv_cc_pie=yes])
614      CFLAGS=$save_CFLAGS
615      LDFLAGS=$save_LDFLAGS
616    ])
617    if test "$ap_cv_cc_pie" = "yes"; then
618      PICFLAGS="-fPIE"
619      PILDFLAGS="-pie"
620    else
621      AC_ERROR([--enable-pie requested but $CC failed using PIE flags])
622    fi
623 fi
624 AC_SUBST(PICFLAGS)
625 AC_SUBST(PILDFLAGS)
626
627 prefix="$orig_prefix"
628 APACHE_ENABLE_MODULES
629
630 dnl reading config stubs
631 esyscmd(./build/config-stubs .)
632
633 APACHE_SUBST(progname)
634 APACHE_SUBST(OS)
635 APACHE_SUBST(OS_DIR)
636 APACHE_SUBST(BUILTIN_LIBS)
637 APACHE_SUBST(SHLIBPATH_VAR)
638 APACHE_SUBST(OS_SPECIFIC_VARS)
639
640 PRE_SHARED_CMDS='echo ""'
641 POST_SHARED_CMDS='echo ""'
642
643 dnl apache_need_shared tells us if Apache modules are being built as DSOs
644
645 if test "$apache_need_shared" = "yes"; then
646   if test -f $ac_aux_dir/ltconfig; then
647     $SHELL $ac_aux_dir/ltconfig --output=shlibtool --disable-static --srcdir=$ac_aux_dir --cache-file=./config.cache $ac_aux_dir/ltmain.sh
648   fi
649   shared_build="shared-build"
650 fi
651
652 dnl enable_so tells us if *any* modules can be built as DSOs
653
654 if test "$enable_so" = "yes" -o "$enable_so" = "static"; then
655   case $host in
656     *-ibm-aix*)
657       APR_ADDTO(HTTPD_LDFLAGS, [-Wl,-uXML_Parse -Wl,-bE:$abs_builddir/server/httpd.exp])
658       APR_ADDTO(SH_LDFLAGS, [\$(EXTRA_LDFLAGS) \$(EXTRA_LIBS)])
659       APR_ADDTO(UTIL_LDFLAGS, [-Wl,-uXML_Parse])
660       ;;
661     *os390)
662       APR_ADDTO(HTTPD_LDFLAGS, [--main=$abs_srcdir/server/main.o --core-dll=$abs_srcdir/apachecore.dll])
663       APR_ADDTO(SH_LDFLAGS, [--core-dll=$abs_srcdir/apachecore.dll])
664   esac
665   MOD_SO_ENABLED=yes
666 fi
667 AC_SUBST(MOD_SO_ENABLED)
668
669 APACHE_SUBST(PRE_SHARED_CMDS)
670 APACHE_SUBST(POST_SHARED_CMDS)
671 APACHE_SUBST(shared_build)
672
673 AC_ARG_WITH(program-name,
674 APACHE_HELP_STRING(--with-program-name,alternate executable name),[
675   progname="$withval" ], [
676   progname="httpd"] )
677
678 # SuExec parameters
679 AC_ARG_WITH(suexec-bin,
680 APACHE_HELP_STRING(--with-suexec-bin,Path to suexec binary),[
681   AC_DEFINE_UNQUOTED(SUEXEC_BIN, "$withval", [Path to suexec binary] )
682 ] )
683
684 AC_ARG_WITH(suexec-caller,
685 APACHE_HELP_STRING(--with-suexec-caller,User allowed to call SuExec),[
686   AC_DEFINE_UNQUOTED(AP_HTTPD_USER, "$withval", [User allowed to call SuExec] ) ] )
687
688 AC_ARG_WITH(suexec-userdir,
689 APACHE_HELP_STRING(--with-suexec-userdir,User subdirectory),[
690   AC_DEFINE_UNQUOTED(AP_USERDIR_SUFFIX, "$withval", [User subdirectory] ) ] )
691
692 AC_ARG_WITH(suexec-docroot,
693 APACHE_HELP_STRING(--with-suexec-docroot,SuExec root directory),[
694   AC_DEFINE_UNQUOTED(AP_DOC_ROOT, "$withval", [SuExec root directory] ) ] )
695
696 AC_ARG_WITH(suexec-uidmin,
697 APACHE_HELP_STRING(--with-suexec-uidmin,Minimal allowed UID),[
698   AC_DEFINE_UNQUOTED(AP_UID_MIN, $withval, [Minimum allowed UID] ) ] )
699
700 AC_ARG_WITH(suexec-gidmin,
701 APACHE_HELP_STRING(--with-suexec-gidmin,Minimal allowed GID),[
702   AC_DEFINE_UNQUOTED(AP_GID_MIN, $withval, [Minimum allowed GID] ) ] )
703
704 AC_ARG_WITH(suexec-logfile,
705 APACHE_HELP_STRING(--with-suexec-logfile,Set the logfile),[
706   AC_DEFINE_UNQUOTED(AP_LOG_EXEC, "$withval", [SuExec log file] ) ] )
707
708 AC_ARG_WITH(suexec-safepath,
709 APACHE_HELP_STRING(--with-suexec-safepath,Set the safepath),[
710   AC_DEFINE_UNQUOTED(AP_SAFE_PATH, "$withval", [safe shell path for SuExec] ) ] )
711
712 AC_ARG_WITH(suexec-umask,
713 APACHE_HELP_STRING(--with-suexec-umask,umask for suexec'd process),[
714   AC_DEFINE_UNQUOTED(AP_SUEXEC_UMASK, 0$withval, [umask for suexec'd process] ) ] )
715
716 dnl APR should go after the other libs, so the right symbols can be picked up
717 if test x${apu_found} != xobsolete; then
718   AP_LIBS="$AP_LIBS `$apu_config --avoid-ldap --link-libtool --libs`"
719 fi
720 AP_LIBS="$AP_LIBS `$apr_config --link-libtool --libs`" 
721 APACHE_SUBST(AP_LIBS)
722 APACHE_SUBST(AP_BUILD_SRCLIB_DIRS)
723 APACHE_SUBST(AP_CLEAN_SRCLIB_DIRS)
724
725 AC_DEFINE(AP_USING_AUTOCONF, 1,
726                 [Using autoconf to configure Apache])
727
728 if test "$SINGLE_LISTEN_UNSERIALIZED_ACCEPT" = "1"; then
729     AC_DEFINE(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, 1, 
730               [This platform doesn't suffer from the thundering herd problem])
731 fi
732
733 if test "$AP_NONBLOCK_WHEN_MULTI_LISTEN" = "1"; then
734     AC_DEFINE(AP_NONBLOCK_WHEN_MULTI_LISTEN, 1, 
735               [Listening sockets are non-blocking when there are more than 1])
736 fi
737
738 APR_CHECK_APR_DEFINE(APR_HAVE_IPV6)
739
740 AC_ARG_ENABLE(v4-mapped,APACHE_HELP_STRING(--enable-v4-mapped,Allow IPv6 sockets to handle IPv4 connections),
741
742   v4mapped=$enableval
743 ],
744 [
745     case $host in
746     *freebsd5*|*netbsd*|*openbsd*)
747         v4mapped=no
748         ;;
749     *)
750         v4mapped=yes
751         ;;
752     esac
753     if ap_mpm_is_enabled winnt; then
754         dnl WinNT MPM doesn't support this.
755         v4mapped=no
756     fi
757 ])
758
759 if test $v4mapped = "yes" -a $ac_cv_define_APR_HAVE_IPV6 = "yes"; then
760     AC_DEFINE(AP_ENABLE_V4_MAPPED, 1,
761               [Allow IPv4 connections on IPv6 listening sockets])
762 fi
763
764 APACHE_FAST_OUTPUT(Makefile modules/Makefile srclib/Makefile) 
765 APACHE_FAST_OUTPUT(os/Makefile server/Makefile)
766 APACHE_FAST_OUTPUT(support/Makefile)
767
768 if test -d ./test; then
769     APACHE_FAST_OUTPUT(test/Makefile)
770 fi
771
772 dnl ## Finalize the variables
773 echo $ac_n "${nl}Restore user-defined environment settings...${nl}"
774
775 APR_RESTORE_THE_ENVIRONMENT(CPPFLAGS, EXTRA_)
776 APR_RESTORE_THE_ENVIRONMENT(CFLAGS, EXTRA_)
777 APR_RESTORE_THE_ENVIRONMENT(CXXFLAGS, EXTRA_)
778 APR_RESTORE_THE_ENVIRONMENT(LDFLAGS, EXTRA_)
779 APR_RESTORE_THE_ENVIRONMENT(LIBS, EXTRA_)
780 APR_RESTORE_THE_ENVIRONMENT(INCLUDES, EXTRA_)
781
782 echo $ac_n "${nl}Construct makefiles and header files...${nl}"
783
784 APACHE_GEN_CONFIG_VARS
785
786 dnl ## Build modules.c
787 rm -f modules.c
788 echo $MODLIST | $AWK -f $srcdir/build/build-modules-c.awk > modules.c
789
790 APR_EXPAND_VAR(ap_prefix, $prefix)
791 AC_DEFINE_UNQUOTED(HTTPD_ROOT, "${ap_prefix}",
792         [Root directory of the Apache install area])
793 AC_DEFINE_UNQUOTED(SERVER_CONFIG_FILE, "${rel_sysconfdir}/${progname}.conf",
794         [Location of the config file, relative to the Apache root directory])
795 AC_DEFINE_UNQUOTED(AP_TYPES_CONFIG_FILE, "${rel_sysconfdir}/mime.types",
796         [Location of the MIME types config file, relative to the Apache root directory])
797
798 perlbin=`$ac_aux_dir/PrintPath perl`
799 if test "x$perlbin" = "x"; then
800     perlbin="/replace/with/path/to/perl/interpreter"
801 fi
802 AC_SUBST(perlbin)
803
804 dnl If we are running on BSD/OS, we need to use the BSD .include syntax.
805
806 BSD_MAKEFILE=no
807 ap_make_include=include
808 ap_make_delimiter=' '
809 case $host in
810 *bsdi*)
811     # Check whether they've installed GNU make
812     if make --version > /dev/null 2>&1; then
813         true
814     else
815         BSD_MAKEFILE=yes
816         ap_make_include=.include
817         ap_make_delimiter='"'
818     fi
819     ;;
820 esac
821 AC_SUBST(ap_make_include)
822 AC_SUBST(ap_make_delimiter)
823
824 dnl Ensure that docs/conf is created.
825 test -d docs/conf||$mkdir_p docs/conf
826
827 AC_OUTPUT($APACHE_OUTPUT_FILES docs/conf/httpd.conf docs/conf/extra/httpd-autoindex.conf docs/conf/extra/httpd-dav.conf docs/conf/extra/httpd-default.conf docs/conf/extra/httpd-info.conf docs/conf/extra/httpd-languages.conf docs/conf/extra/httpd-manual.conf docs/conf/extra/httpd-mpm.conf docs/conf/extra/httpd-multilang-errordoc.conf docs/conf/extra/httpd-policy.conf docs/conf/extra/httpd-ssl.conf docs/conf/extra/httpd-userdir.conf docs/conf/extra/httpd-vhosts.conf docs/conf/extra/proxy-html.conf include/ap_config_layout.h support/apxs support/apachectl support/dbmmanage support/envvars-std support/log_server_status support/logresolve.pl support/phf_abuse_log.cgi support/split-logfile build/rules.mk build/pkg/pkginfo build/config_vars.sh,[true],[
828   APACHE_GEN_MAKEFILES
829 ])