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