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[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(2.13)
8 AC_INIT(ABOUT_APACHE)
9
10 AC_CONFIG_HEADER(include/ap_config_auto.h)
11 AC_CONFIG_AUX_DIR(srclib/apr/build)
12
13 dnl #
14 dnl # Include our own M4 macros along with those for APR and libtool
15 dnl #
16 sinclude(srclib/apr/build/apr_common.m4)
17 sinclude(srclib/apr/build/apr_network.m4)
18 sinclude(srclib/apr/build/apr_threads.m4)
19 sinclude(acinclude.m4)
20
21 dnl XXX we can't just use AC_PREFIX_DEFAULT because that isn't subbed in
22 dnl by configure until it is too late.  Is that how it should be or not?
23 dnl Something seems broken here.                                               
24 AC_PREFIX_DEFAULT(/usr/local/apache2)
25
26 dnl Get the layout here, so we can pass the required variables to apr
27 APACHE_ENABLE_LAYOUT
28
29 dnl reparse the configure arguments.
30 APACHE_PARSE_ARGUMENTS
31
32 dnl Save user-defined environment settings for later restoration
33 dnl
34 APR_SAVE_THE_ENVIRONMENT(CPPFLAGS)
35 APR_SAVE_THE_ENVIRONMENT(CFLAGS)
36 APR_SAVE_THE_ENVIRONMENT(CXXFLAGS)
37 APR_SAVE_THE_ENVIRONMENT(LDFLAGS)
38 APR_SAVE_THE_ENVIRONMENT(LIBS)
39 APR_SAVE_THE_ENVIRONMENT(INCLUDES)
40
41 dnl Generate ./config.nice for reproducing runs of configure
42 dnl
43 APR_CONFIG_NICE(config.nice)
44
45 nl='
46 '
47
48 dnl ## Run configure for packages Apache uses
49
50 dnl shared library support for these packages doesn't currently
51 dnl work on some platforms
52
53 AC_CANONICAL_SYSTEM
54
55 orig_prefix="$prefix"
56
57 echo $ac_n "${nl}Configuring Apache Portable Runtime library ...${nl}"
58
59 APR_SUBDIR_CONFIG(srclib/apr, "$apache_apr_flags --prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --bindir=$bindir --datadir=$datadir --with-installbuilddir=$installbuilddir")
60
61 echo $ac_n "${nl}Configuring Apache Portable Runtime Utility library...${nl}"
62
63 APR_SUBDIR_CONFIG(srclib/apr-util, "--with-apr=../apr --prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --bindir=$bindir")
64
65 echo $ac_n "${nl}Configuring PCRE regular expression library ...${nl}"
66
67 APR_SUBDIR_CONFIG(srclib/pcre, "--prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --bindir=$bindir")
68
69 echo $ac_n "${nl}Configuring Apache httpd ...${nl}"
70
71 echo $ac_n "obtaining flag settings from the sub-configures...${nl}"
72 . ./srclib/apr/APRVARS
73
74 dnl Now that we have APR's EXTRA_flags in our environment, move them over
75 dnl to the normal variables to avoid duplications and use them for testing.
76 dnl We ignore EXTRA_INCLUDES because our own includes will encompass them.
77 dnl
78 APR_ADDTO(CFLAGS, $EXTRA_CFLAGS)
79 APR_ADDTO(CPPFLAGS, $EXTRA_CPPFLAGS)
80 APR_ADDTO(LDFLAGS, $EXTRA_LDFLAGS)
81 APR_ADDTO(LIBS, $EXTRA_LIBS)
82 EXTRA_CFLAGS=
83 EXTRA_CPPFLAGS=
84 EXTRA_LDFLAGS=
85 EXTRA_LIBS=
86 EXTRA_INCLUDES=
87
88 dnl Absolute source/build directory
89 abs_srcdir=`(cd $srcdir && pwd)`
90 abs_builddir=`pwd`
91
92 dnl If the source dir is not equal to the build dir, 
93 dnl then we are running in VPATH mode.
94
95 if test "$abs_builddir" != "$abs_srcdir"; then
96   USE_VPATH=1
97   APR_ADDTO(INCLUDES, [-I. -I\$(srcdir) -I\$(top_builddir)/os/\$(OS_DIR) -I\$(top_srcdir)/os/\$(OS_DIR) -I\$(top_builddir)/server/mpm/\$(MPM_NAME) -I\$(top_srcdir)/server/mpm/\$(MPM_NAME) -I\$(top_builddir)/modules/http -I\$(top_srcdir)/modules/http -I\$(top_srcdir)/modules/proxy -I\$(top_builddir)/include -I\$(top_srcdir)/include -I\$(top_builddir)/srclib/apr/include -I\$(top_srcdir)/srclib/apr/include -I\$(top_builddir)/srclib/apr-util/include -I\$(top_srcdir)/srclib/apr-util/include])
98 else
99   APR_ADDTO(INCLUDES, [-I. -I\$(top_srcdir)/os/\$(OS_DIR) -I\$(top_srcdir)/server/mpm/\$(MPM_NAME) -I\$(top_srcdir)/modules/http -I\$(top_srcdir)/modules/proxy -I\$(top_srcdir)/include -I\$(top_srcdir)/srclib/apr/include -I\$(top_srcdir)/srclib/apr-util/include])
100 fi
101
102 echo $ac_n "${nl}Applying OS-specific hints for httpd ...${nl}"
103
104 case $host in
105   *os2*)
106       # Use a custom made libtool replacement
107       echo "using aplibtool"
108       LIBTOOL="$abs_srcdir/srclib/apr/build/aplibtool"
109       SH_LIBTOOL="$LIBTOOL --shared --export-all"
110       SH_LIBS="\$(ALL_LIBS)"
111       CORE_IMPLIB_FILE="ApacheCoreOS2.la"
112       CORE_IMPLIB="$abs_srcdir/server/$CORE_IMPLIB_FILE"
113       MK_IMPLIB="emximp"
114       other_targets="$other_targets os2core"
115       INSTALL_PROG_FLAGS="-e .exe"
116       SHLTCFLAGS=""
117       LTCFLAGS=""
118       ;;
119   *)
120       if test "x$LTFLAGS" = "x"; then
121           LTFLAGS='--silent'
122       fi
123       LIBTOOL='$(SHELL) $(top_builddir)/srclib/apr/libtool $(LTFLAGS)'
124       libtoolversion=`$abs_builddir/srclib/apr/libtool --version`
125       case $libtoolversion in
126           *1.4*)
127               SH_LIBTOOL='$(LIBTOOL)'
128               SHLTCFLAGS="-prefer-pic"
129               LTCFLAGS="-prefer-non-pic -static"
130               ;;
131           *)
132               SH_LIBTOOL='$(SHELL) $(top_builddir)/shlibtool $(LTFLAGS)'
133               SHLTCFLAGS=""
134               LTCFLAGS=""
135               ;;
136       esac
137       ;;
138 esac
139 APACHE_SUBST(SHLTCFLAGS)
140 APACHE_SUBST(LTCFLAGS)
141
142 AP_SIG_GRACEFUL=USR1
143
144 case $host in
145   *-apple-aux3*)
146       APR_SETVAR(APACHE_MPM, [prefork])
147       APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
148       ;;
149   *-beos*)
150       APR_SETVAR(APACHE_MPM, [beos])
151       APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
152       ;;
153   *os2_emx*)
154       APR_SETVAR(APACHE_MPM, [mpmt_os2])
155       APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
156       ;;
157   *-linux-*)
158       case `uname -r` in
159         2.0* ) 
160             AP_SIG_GRACEFUL=WINCH
161             ;;
162         2.[[2-9]]* ) 
163             APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
164             ;;
165         * )
166             ;;
167       esac
168       ;;
169   *486-*-bsdi* | *-netbsd* | *-freebsd* | *-apple-darwin* | *-dec-osf* | *-qnx)
170       APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
171       ;;
172   *-solaris2*)
173       dnl This is a hack -- we should be using AC_TRY_RUN instead
174       ap_platform_runtime_link_flag="-R"
175       dnl solaris 8 and above don't have a thundering herd
176       dnl not sure about rev's before this one.
177       case `uname -r` in
178         5.[567]*)
179             ;;
180         * )
181             APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
182             ;;
183       esac
184       ;;
185   *cygwin*)
186       APR_SETVAR(APACHE_MPM, [prefork])
187       APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
188       ;;
189 esac
190
191 dnl
192 dnl Process command line arguments. This is done early in the process so the
193 dnl user can get feedback quickly in case of an error.
194 dnl
195 dnl ### need to move some of the arguments "up here"
196
197 dnl ## Check for programs
198
199 AC_PATH_PROG(RM, rm)
200 AC_PROG_AWK
201 AC_PROG_CC
202 AC_PROG_CPP
203 AC_PROG_INSTALL
204 AC_PROG_LN_S
205 AC_CHECK_TOOL(RANLIB, ranlib, true)
206 dnl AC_PATH_PROG(PERL_PATH, perl)
207
208 dnl various OS checks that apparently set required flags
209 AC_AIX
210 AC_ISC_POSIX
211 AC_MINIX
212
213 dnl ## Check for libraries
214
215 dnl ## Check for header files
216
217 dnl I think these are just used all over the place, so just check for
218 dnl them at the base of the tree. If some are specific to a single
219 dnl directory, they should be moved (Comment #Spoon)
220
221 dnl Regarding standard header files: AC_HEADER_STDC doesn't set symbols
222 dnl HAVE_STRING_H, HAVE_STDLIB_H, etc., so those are checked for
223 dnl explicitly so that the normal HAVE_xxx_H symbol is defined.
224
225 AC_HEADER_STDC
226 AC_CHECK_HEADERS( \
227 string.h \
228 limits.h \
229 unistd.h \
230 sys/socket.h \
231 pwd.h \
232 grp.h \
233 strings.h \
234 sys/processor.h \
235 sys/sem.h
236 )
237 AC_HEADER_SYS_WAIT
238
239 dnl ## Check for typedefs, structures, and compiler characteristics.
240
241 AC_C_CONST
242 if test "$ac_cv_prog_gcc" = "yes"; then
243   APR_ADDTO(NOTEST_CPPFLAGS,-DAP_HAVE_DESIGNATED_INITIALIZER)
244 fi
245
246 dnl ## Check for library functions
247
248 dnl See Comment #Spoon
249
250 AC_CHECK_FUNCS( \
251 getpwnam \
252 getgrnam \
253 initgroups \
254 bindprocessor \
255 timegm \
256 )
257
258 dnl ## Check for the tm_gmtoff field in struct tm to get the timezone diffs
259 AC_CACHE_CHECK([for tm_gmtoff in struct tm], ac_cv_struct_tm_gmtoff,
260 [AC_TRY_COMPILE([#include <sys/types.h>
261 #include <time.h>], [struct tm tm; tm.tm_gmtoff;],
262   ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no)])
263 if test "$ac_cv_struct_tm_gmtoff" = "yes"; then
264     AC_DEFINE(HAVE_GMTOFF)
265 fi
266
267 dnl ## Set up any appropriate OS-specific environment variables for apachectl
268
269 case $host in
270     *aix*)
271         # for 32-bit builds, increase MAXDATA to allow lots of threads
272         if test x$OBJECT_MODE != x64; then
273             OS_SPECIFIC_VARS="set LDR_CNTRL=\"MAXDATA=0x80000000\" ; export LDR_CNTRL ;"
274         fi
275         OS_SPECIFIC_VARS="$OS_SPECIFIC_VARS set AIXTHREAD_SCOPE=S ; export AIXTHREAD_SCOPE"
276         ;;
277     *os390*)
278         OS_SPECIFIC_VARS="export _CEE_RUNOPTS=\"STACK(,,ANY)\" ; export _EDC_ADD_ERRNO2=1"
279         ;;
280     *)
281         OS_SPECIFIC_VARS=""
282 esac
283       
284 AC_ARG_WITH(port,APACHE_HELP_STRING(--with-port=PORT,Port on which to listen (default is 80)),
285         [if test "$withval" = "yes"; then AC_MSG_ERROR('option --with-port requires a value (the TCP port number)'); else PORT="$withval"; fi],
286         [PORT=80])
287
288 AC_ARG_ENABLE(maintainer-mode,APACHE_HELP_STRING(--enable-maintainer-mode,Turn on debugging and compile time warnings),
289 [
290   APR_ADDTO(CPPFLAGS, -DAP_DEBUG)
291 ])dnl
292
293 prefix="$orig_prefix"
294 APACHE_ENABLE_MODULES
295
296 dnl reading config stubs
297 esyscmd(./build/config-stubs .)
298
299 APACHE_SUBST(progname)
300 APACHE_SUBST(MPM_LIB)
301 APACHE_SUBST(OS)
302 APACHE_SUBST(OS_DIR)
303 APACHE_SUBST(BUILTIN_LIBS)
304 APACHE_SUBST(SHLIBPATH_VAR)
305 APACHE_SUBST(OS_SPECIFIC_VARS)
306
307 PRE_SHARED_CMDS='echo ""'
308 POST_SHARED_CMDS='echo ""'
309
310 dnl apache_need_shared tells us if Apache modules are being built as DSOs
311
312 if test "$apache_need_shared" = "yes"; then
313   if test -f $ac_aux_dir/ltconfig; then
314     $SHELL $ac_aux_dir/ltconfig --output=shlibtool --disable-static --srcdir=$ac_aux_dir --cache-file=./config.cache $ac_aux_dir/ltmain.sh
315   fi
316   shared_build="shared-build"
317 fi
318
319 dnl enable_so tells us if *any* modules can be built as DSOs
320
321 if test "$enable_so" = "yes"; then
322   case $host in
323     *-ibm-aix*)
324       HTTPD_LDFLAGS="$HTTPD_LDFLAGS -Wl,-uXML_Parse -Wl,-bE:$abs_builddir/server/httpd.exp"
325       SH_LDFLAGS="$SH_LDFLAGS \$(EXTRA_LDFLAGS) \$(EXTRA_LIBS)"
326       UTIL_LDFLAGS="$UTIL_LDFLAGS -Wl,-uXML_Parse"
327       ;;
328     *beos)
329       SH_LDFLAGS='$(top_builddir)/_APP_'
330       PRE_SHARED_CMDS='ln -s $(top_builddir)/httpd $(top_builddir)/_APP_'
331       POST_SHARED_CMDS='rm $(top_builddir)/_APP_'
332       ;;
333     *os390)
334       HTTPD_LDFLAGS="$HTTPD_LDFLAGS --main=$abs_srcdir/server/main.o --core-dll=$abs_srcdir/apachecore.dll"
335       SH_LDFLAGS="$SH_LDFLAGS --core-dll=$abs_srcdir/apachecore.dll"
336   esac
337 fi
338
339 APACHE_SUBST(PRE_SHARED_CMDS)
340 APACHE_SUBST(POST_SHARED_CMDS)
341 APACHE_SUBST(shared_build)
342
343 AC_ARG_WITH(program-name,
344 APACHE_HELP_STRING(--with-program-name,alternate executable name),[
345   progname="$withval" ], [
346   progname="httpd"] )
347
348 # SuExec parameters
349 AC_ARG_WITH(suexec-bin,
350 APACHE_HELP_STRING(--with-suexec-bin,Path to suexec binary),[
351   AC_DEFINE_UNQUOTED(SUEXEC_BIN, "$withval", [Path to suexec binary] )
352 ] )
353
354 AC_ARG_WITH(suexec-caller,
355 APACHE_HELP_STRING(--with-suexec-caller,User allowed to call SuExec),[
356   AC_DEFINE_UNQUOTED(AP_HTTPD_USER, "$withval", [User allowed to call SuExec] ) ] )
357
358 AC_ARG_WITH(suexec-userdir,
359 APACHE_HELP_STRING(--with-suexec-userdir,User subdirectory),[
360   AC_DEFINE_UNQUOTED(AP_USERDIR_SUFFIX, "$withval", [User subdirectory] ) ] )
361
362 AC_ARG_WITH(suexec-docroot,
363 APACHE_HELP_STRING(--with-suexec-docroot,SuExec root directory),[
364   AC_DEFINE_UNQUOTED(AP_DOC_ROOT, "$withval", [SuExec root directory] ) ] )
365
366 AC_ARG_WITH(suexec-uidmin,
367 APACHE_HELP_STRING(--with-suexec-uidmin,Minimal allowed UID),[
368   AC_DEFINE_UNQUOTED(AP_UID_MIN, $withval, [Minimum allowed UID] ) ] )
369
370 AC_ARG_WITH(suexec-gidmin,
371 APACHE_HELP_STRING(--with-suexec-gidmin,Minimal allowed GID),[
372   AC_DEFINE_UNQUOTED(AP_GID_MIN, $withval, [Minimum allowed GID] ) ] )
373
374 AC_ARG_WITH(suexec-logfile,
375 APACHE_HELP_STRING(--with-suexec-logfile,Set the logfile),[
376   AC_DEFINE_UNQUOTED(AP_LOG_EXEC, "$withval", [SuExec log file] ) ] )
377
378 AC_ARG_WITH(suexec-safepath,
379 APACHE_HELP_STRING(--with-suexec-safepath,Set the safepath),[
380   AC_DEFINE_UNQUOTED(AP_SAFE_PATH, "$withval", [safe shell path for SuExec] ) ] )
381
382 AC_ARG_WITH(suexec-umask,
383 APACHE_HELP_STRING(--with-suexec-umask,umask for suexec'd process),[
384   AC_DEFINE_UNQUOTED(AP_SUEXEC_UMASK, 0$withval, [umask for suexec'd process] ) ] )
385
386 dnl AP_LIBS specifies the actual libraries. note we have some required libs.
387 AP_LIBS="$abs_builddir/srclib/pcre/libpcre.la $abs_builddir/srclib/apr-util/libaprutil.la $AP_LIBS"
388
389 dnl APR should go after the other libs, so the right symbols can be picked up
390 AP_LIBS="$AP_LIBS $abs_builddir/srclib/apr/libapr.la"
391 APACHE_SUBST(AP_LIBS)
392
393 AC_DEFINE(AP_USING_AUTOCONF, 1,
394                 [Using autoconf to configure Apache])
395
396 if test "$SINGLE_LISTEN_UNSERIALIZED_ACCEPT" = "1"; then
397     AC_DEFINE(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, 1, 
398               [This platform doesn't suffer from the thundering herd problem])
399 fi
400
401 AC_DEFINE_UNQUOTED(AP_SIG_GRACEFUL, SIG$AP_SIG_GRACEFUL, [Signal used to gracefully restart])
402 AC_DEFINE_UNQUOTED(AP_SIG_GRACEFUL_STRING, "SIG$AP_SIG_GRACEFUL", [Signal used to gracefully restart (as a quoted string)])
403 AC_DEFINE_UNQUOTED(AP_SIG_GRACEFUL_SHORT, $AP_SIG_GRACEFUL, [Signal used to gracefully restart (without SIG prefix)])
404 AP_SIG_GRACEFUL_SHORT=$AP_SIG_GRACEFUL
405 AP_SIG_GRACEFUL=SIG$AP_SIG_GRACEFUL_SHORT
406 AC_SUBST(AP_SIG_GRACEFUL)
407 AC_SUBST(AP_SIG_GRACEFUL_STRING)
408 AC_SUBST(AP_SIG_GRACEFUL_SHORT)
409
410 dnl check for endianness
411 if test "$cross_compiling" = "no"; then
412   AC_C_BIGENDIAN
413 else
414   AC_DEFINE(AP_UNKNOWN_BYTE_ORDER,1,
415                 [byte order is unknown due to cross-compilation])
416 fi
417
418 APACHE_FAST_OUTPUT(Makefile modules/Makefile srclib/Makefile) 
419 APACHE_FAST_OUTPUT(os/beos/Makefile os/os2/Makefile os/Makefile)
420 APACHE_FAST_OUTPUT(os/unix/Makefile server/Makefile)
421 APACHE_FAST_OUTPUT(support/Makefile srclib/pcre/Makefile)
422
423 if test -d ./test; then
424     APACHE_FAST_OUTPUT(test/Makefile)
425 fi
426
427 dnl get the exported vars from APRUTIL
428 . ./srclib/apr-util/export_vars.sh
429 APR_ADDTO(LIBS, $APRUTIL_EXPORT_LIBS)
430 APR_ADDTO(INCLUDES, $APRUTIL_EXPORT_INCLUDES)
431 APR_ADDTO(LDFLAGS, $APRUTIL_LDFLAGS)
432 AP_LIBS="$AP_LIBS $LIBTOOL_LIBS"
433
434 dnl ## Finalize the variables
435 echo $ac_n "${nl}Restore user-defined environment settings...${nl}"
436
437 APR_RESTORE_THE_ENVIRONMENT(CPPFLAGS, EXTRA_)
438 APR_RESTORE_THE_ENVIRONMENT(CFLAGS, EXTRA_)
439 APR_RESTORE_THE_ENVIRONMENT(CXXFLAGS, EXTRA_)
440 APR_RESTORE_THE_ENVIRONMENT(LDFLAGS, EXTRA_)
441 APR_RESTORE_THE_ENVIRONMENT(LIBS, EXTRA_)
442 APR_RESTORE_THE_ENVIRONMENT(INCLUDES, EXTRA_)
443
444 echo $ac_n "${nl}Construct makefiles and header files...${nl}"
445
446 APACHE_GEN_CONFIG_VARS
447
448 dnl ## Build modules.c
449 rm -f modules.c
450 echo $MODLIST | $AWK -f $srcdir/build/build-modules-c.awk > modules.c
451
452 APR_EXPAND_VAR(ap_prefix, $prefix)
453 AC_DEFINE_UNQUOTED(HTTPD_ROOT, "${ap_prefix}",
454         [Root directory of the Apache install area])
455 APR_EXPAND_VAR(ap_sysconfdir, $sysconfdir)
456 APR_PATH_RELATIVE(rel_sysconfdir, $ap_sysconfdir, $prefix)
457 AC_DEFINE_UNQUOTED(SERVER_CONFIG_FILE, "${rel_sysconfdir}/${progname}.conf",
458         [Location of the config file, relative to the Apache root directory])
459 AC_DEFINE_UNQUOTED(APACHE_MPM_DIR, "$MPM_DIR",
460         [Location of the source for the current MPM])
461
462 perlbin=`$ac_aux_dir/PrintPath perl`
463 if test "x$perlbin" = "x"; then
464     perlbin="/replace/with/path/to/perl/interpreter"
465 fi
466 AC_SUBST(perlbin)
467
468 dnl If we are running on BSD/OS, we need to use the BSD .include syntax.
469
470 BSD_MAKEFILE=no
471 case $host in
472 *bsdi*)
473     # Check whether they've installed GNU make
474     if make --version > /dev/null 2>&1; then
475         true
476     else
477         BSD_MAKEFILE=yes
478     fi
479     ;;
480 esac
481
482 AC_OUTPUT($APACHE_OUTPUT_FILES 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,[true],[
483   APACHE_GEN_MAKEFILES
484 ])
485