More places to remove the experimental #if
[citadel] / citadel / configure.ac
1 dnl Process this file with autoconf to produce a configure script.
2 AC_PREREQ(2.52)
3 AC_INIT([Citadel], [8.00], [http://www.citadel.org/])
4 AC_REVISION([$Revision: 5108 $])
5 AC_CONFIG_SRCDIR([citserver.c])
6 AC_CONFIG_HEADER(sysdep.h)
7 AC_CONFIG_MACRO_DIR([m4])
8 AC_PREFIX_DEFAULT(/usr/local/citadel)
9 if test "$prefix" = NONE; then
10         AC_DEFINE_UNQUOTED(CTDLDIR, "$ac_default_prefix", [define this to the Citadel home directory])
11         ssl_dir="$ac_default_prefix/keys"
12         localedir=$ac_default_prefix
13 else
14         AC_DEFINE_UNQUOTED(CTDLDIR, "$prefix", [define this to the Citadel home directory])
15         ssl_dir="$prefix/keys"
16         localedir=$prefix
17 fi
18
19 dnl Make sure we see all GNU and Solaris extensions.
20 AC_GNU_SOURCE
21
22
23 dnl Checks for the Datadir
24 AC_ARG_WITH(datadir, 
25                     [  --with-datadir          directory to store the databases under],
26                         [ if test "x$withval" != "xno" ; then
27                                               AC_DEFINE(HAVE_DATA_DIR,[],[use alternate database location?])
28                                               AC_DEFINE_UNQUOTED(DATA_DIR, "$withval",[define, if the user suplied a data-directory to use.])
29                                               MAKE_DATA_DIR=$withval
30                                               AC_SUBST(MAKE_DATA_DIR)
31                           fi
32                         ]
33 )
34
35
36 dnl Checks for the helpDatadir
37 AC_ARG_WITH(helpdir, 
38                     [  --with-helpdir          directory to store the helpfiles under],
39                         [ if test "x$withval" != "xno" ; then
40                                               AC_DEFINE(HAVE_HELP_DIR,[],[use alternate database location?])
41                                               AC_DEFINE_UNQUOTED(HELP_DIR, "$withval",[define, if the user suplied a helpfile-directory to use.])
42                                               MAKE_HELP_DIR=$withval
43                                               AC_SUBST(MAKE_HELP_DIR)
44                           fi
45                         ]
46 )
47
48 dnl Checks for the Static Datadir
49 AC_ARG_WITH(staticdatadir, 
50                     [  --with-staticdatadir    directory to store citadels system messages under],
51                         [ if test "x$withval" != "xno" ; then
52                                                   AC_DEFINE(HAVE_STATICDATA_DIR, [], [should we activate an alternate static text location?])
53                                                   AC_DEFINE_UNQUOTED(STATICDATA_DIR, "$withval", [where do we put our static text data?])
54                                                   MAKE_STATICDATA_DIR=$withval
55                                                   AC_SUBST(MAKE_STATICDATA_DIR)
56                           fi
57                         ]
58 )
59
60
61 dnl Checks for the SSLdir
62 dnl this is a bit different than the rest, 
63 dnl because of the citadel used to have a keys/ subdir.
64 AC_ARG_WITH(ssldir, 
65                     [  --with-ssldir           directory to store the ssl certificates under],
66                         [ if test "x$withval" != "xno" ; then
67                                               
68                                                   ssl_dir="$withval"
69                           fi
70                         AC_SUBST(MAKE_SSL_DIR)
71                         ]
72 )
73 AC_DEFINE_UNQUOTED(SSL_DIR, "$ssl_dir", [were should we put our keys?])
74
75
76 dnl Checks for the spooldir
77 AC_ARG_WITH(spooldir, 
78                         [  --with-spooldir         directory to keep queues under],
79                         [ if test "x$withval" != "xno" ; then
80                                                 AC_DEFINE(HAVE_SPOOL_DIR, [], [enable alternate spool dir?])
81                                                 AC_DEFINE_UNQUOTED(SPOOL_DIR,"$withval", [where do we place our spool dirs?])
82                                                 MAKE_SPOOL_DIR=$withval
83                                                 AC_SUBST(MAKE_SPOOL_DIR)
84                            fi
85                         ]
86 )
87
88
89 dnl Checks for the Configdir
90 AC_ARG_WITH(sysconfdir, 
91                         [  --with-sysconfdir       directory to store the configs under],
92                         [ if test "x$withval" != "xno" ; then
93                                             AC_DEFINE(HAVE_ETC_DIR, [], [should we search our system config in an alternate place?])
94                                                 AC_DEFINE_UNQUOTED(ETC_DIR, "$withval", [where to search our config files])
95                                                 MAKE_ETC_DIR=$withval
96                                                 AC_SUBST(MAKE_ETC_DIR)
97                           fi
98                         ]
99 )
100
101 dnl Checks for the Configdir
102 AC_ARG_WITH(autosysconfdir, 
103                         [  --with-autosysconfdir         directory to store the automaticaly maintained configs under],
104                         [ if test "x$withval" != "xno" ; then
105                                             AC_DEFINE(HAVE_AUTO_ETC_DIR, [], [should we search our automatic config in an alternate place?])
106                                                 AC_DEFINE_UNQUOTED(AUTO_ETC_DIR, "$withval", [where to search our automatic config files])
107                                                 MAKE_AUTO_ETC_DIR=$withval
108                                                 AC_SUBST(MAKE_AUTO_ETC_DIR)
109                           fi
110                         ]
111 )
112
113 dnl Checks for where to put our utilities
114 AC_ARG_WITH(utility-bindir, 
115                         [  --with-utility-bindir   directory where to find helper binaries],
116                         [ if test "x$withval" != "xno" ; then
117                                             AC_DEFINE(HAVE_UTILBIN_DIR,[],[should we put our helper binaries to another location?])
118                                                 AC_DEFINE_UNQUOTED(UTILBIN_DIR, "$withval", [were to put our helper programs])
119                                                 MAKE_UTILBIN_DIR=$withval
120                                                 AC_SUBST(MAKE_UTILBIN_DIR)
121                           fi
122                         ]
123 )
124
125
126 dnl Checks for the run-dir for the sockets
127 AC_ARG_WITH(rundir, 
128                         [  --with-rundir           directory to place runtime files (UDS) to?],
129                         [ if test "x$withval" != "xno" ; then
130                                             AC_DEFINE(HAVE_RUN_DIR, [], [should we put our non volatile files elsewhere?])
131                                                 AC_DEFINE_UNQUOTED(RUN_DIR, "$withval", [define, where the config should go in unix style])
132                                                 MAKE_RUN_DIR=$withval
133                                                 AC_SUBST(MAKE_RUN_DIR)
134                           fi
135                         ]
136 )
137
138
139 dnl Checks for the Pseudo Random Generator sockets TODO: this keeps being default.
140 AC_DEFINE_UNQUOTED(EGD_POOL, "/var/run/egd-pool", [place to keep our pseudo random generator file])
141 AC_ARG_WITH(egdpool, 
142                         [  --with-egdpool          the socket from Pseudo Random Generator, defaults to /var/run/egd-pool],
143                         [ if test "x$withval" != "xno" ; then
144                                                 AC_DEFINE_UNQUOTED(EGD_POOL, "$withval", [the socket from Pseudo Random Generator])
145                           fi
146                         ]
147 )
148
149
150 AC_ARG_WITH(docdir,
151                         [  --with-docdir           where to install the documentation. default: /usr/local/citadel/],
152                         [ if test "x$withval" != "xno" ; then
153                                         MAKE_DOC_DIR=$withval
154                                         AC_SUBST(MAKE_DOC_DIR)
155                           fi
156                         ]
157 )
158
159 dnl where to put the locale files
160 AC_ARG_WITH(localedir, 
161                     [  --with-localedir          directory to put the locale files to],
162                         [ if test "x$withval" != "xno" ; then
163                             localedir=$withval
164                           fi
165                         ]
166 )
167 AC_DEFINE_UNQUOTED(LOCALEDIR, "$localedir",[where to find our pot files])
168 LOCALEDIR=$localedir
169 AC_SUBST(LOCALEDIR)
170
171
172
173 dnl Checks for the zlib compression library.
174 if test "x$with_zlib" != xno ; then
175        AC_CHECK_HEADERS(zlib.h,
176                [AC_CHECK_LIB(z, zlibVersion,
177                        [ok_zlib=yes],,
178        )])
179 fi
180
181 if test "x$ok_zlib" = xyes ; then
182        LDFLAGS="-lz $LDFLAGS" 
183        AC_DEFINE(HAVE_ZLIB, [], [define this if you have zlib compression available])
184 fi
185
186
187
188
189 dnl Here is the check for a libc integrated iconv
190 AC_ARG_ENABLE(iconv,
191         [  --disable-iconv         do not use iconv charset conversion],
192         ok_iconv=no, ok_iconv=yes)
193
194 AC_MSG_CHECKING(Checking to see if your system supports iconv)
195 AC_TRY_RUN([
196         #include <iconv.h>
197         main() {
198                 iconv_t ic = (iconv_t)(-1) ;
199                 ic = iconv_open("UTF-8", "us-ascii");
200                 iconv_close(ic);
201                 exit(0);
202         }
203  ],
204                 [
205                   ok_iconv=yes
206                   AC_MSG_RESULT([yes])
207                 ],
208                 [ 
209                   ok_iconv=no
210                   AC_MSG_RESULT([no])
211                 ]
212 )
213
214 dnl Check for iconv in external libiconv
215 if test "$ok_iconv" = no; then
216         AC_MSG_CHECKING(Checking for an external libiconv)
217         OLD_LDFLAGS="$LDFLAGS"
218         LDFLAGS="$LDFLAGS -liconv"
219         AC_TRY_RUN([
220                         #include <iconv.h>
221                         main() {
222                                 iconv_t ic = (iconv_t)(-1) ;
223                                 ic = iconv_open("UTF-8", "us-ascii");
224                                 iconv_close(ic);
225                         }
226                 ],
227                         [
228                           ok_iconv=yes
229                           AC_MSG_RESULT([yes])
230                         ],
231                         [ 
232                           ok_iconv=no
233                           LDFLAGS="$OLD_LDFLAGS"
234                           AC_MSG_RESULT([no])
235                         ]
236                 )
237 fi      
238 if test "$ok_iconv" != "no"; then
239         AC_MSG_RESULT(Citadel will be built with character set conversion.)
240         AC_DEFINE(HAVE_ICONV,[],[whether we have iconv for charset conversion])
241 else
242         AC_MSG_RESULT(Citadel will be built without character set conversion.)
243 fi
244
245 AC_CHECK_LIB(intl, libintl_bindtextdomain, [LDFLAGS="$LDFLAGS -lintl"])
246
247
248
249 AC_ARG_ENABLE(threaded-client, [  --disable-threaded-client
250                           disable multithreaded client])
251
252 AC_ARG_ENABLE(pie, [  --enable-pie            build position-independent executables])
253
254 AC_ARG_WITH(pam, [  --with-pam              use PAM if present (see PAM.txt before you try this)])
255 AC_ARG_WITH(kthread, [  --with-kthread          use kernel threads (on FreeBSD) (not recommended yet)])
256 AC_ARG_WITH(db, [  --with-db@<:@=DIR@:>@         use Berkeley DB 3.x @<:@DIR=/usr/local/BerkeleyDB.3.@<:@123@:>@@:>@])
257 AC_ARG_WITH(ssl,
258         [  --with-ssl=PATH         Specify path to OpenSSL installation ],
259         [
260                 if test "x$withval" != "xno" ; then
261                         tryssldir=$withval
262                 fi
263         ]
264 )
265 AC_ARG_WITH(with_ldap, [  --with-ldap             use OpenLDAP client library])
266 dnl AC_ARG_WITH(with_libdspam, [  --with-libdspam         use libdspam mail spam scanning library])
267 AC_ARG_WITH(with_gc, [  --with-gc             use the Boehm-Demers-Weiser garbage collection library])
268
269 if test "x$with_db" != xno -a "x$with_db" != xyes -a "$with_db"; then
270         db_dir="$with_db"
271         with_db=yes
272 else
273         test -f /usr/local/lib/libdb.a -o -f /usr/local/lib/libdb.so \
274           -o -f /usr/local/lib/libdb4.a -o -f /usr/local/lib/libdb4.so \
275           && db_dir=/usr/local
276
277         test -d /usr/local/BerkeleyDB.4.1 && db_dir=/usr/local/BerkeleyDB.4.1
278         test -d /usr/local/BerkeleyDB.4.2 && db_dir=/usr/local/BerkeleyDB.4.2
279         test -d /usr/local/BerkeleyDB.4.3 && db_dir=/usr/local/BerkeleyDB.4.3
280         test -d /usr/local/BerkeleyDB.4.4 && db_dir=/usr/local/BerkeleyDB.4.4
281         test -d /usr/local/BerkeleyDB.4.5 && db_dir=/usr/local/BerkeleyDB.4.5
282 fi
283
284 dnl By default, we only build the client (citadel and whobbs) unless we can
285 dnl figure out how to build with POSIX threads.
286 TARGETS=client
287
288 AC_CANONICAL_HOST
289 PTHREAD_DEFS=-D_REENTRANT
290 AC_MSG_CHECKING([how to compile with POSIX threads])
291 case "$host" in
292         dnl BSDI 3.0 wants relocatable object modules instead of shared libs
293         dnl for dlopen(), and has a wrapper script to link with shared libs.
294         dnl Also has stupid non-reentrant gethostbyaddr() and friends.
295         *-*-bsdi[123]*)
296                 test -z "$CC" -a -x /usr/bin/shlicc2 && CC=shlicc2
297                 AC_DEFINE(HAVE_NONREENTRANT_NETDB,[], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
298                 AC_MSG_RESULT([Old BSDI])
299         ;;
300         *-*-bsdi*)
301                 AC_DEFINE(HAVE_NONREENTRANT_NETDB, [], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
302                 AC_MSG_RESULT([BSD/OS])
303         ;;
304         dnl Curses support on Mac OS X is kind of screwed at the moment.
305         dnl TCP buffering isn't ideal under OS X. This define should also be
306         dnl checked in other cases of OS X-Linux differences.
307         *-*-darwin*)
308                 AC_DEFINE(HAVE_DARWIN, [], [define if using OS X/Darwin])
309                 AC_MSG_RESULT([Mac OS X])
310         ;;
311         dnl Digital Unix has an odd way to build for pthreads, and we can't
312         dnl build pthreads programs with gcc due to header problems.
313         alpha*-dec-osf*)
314                 test -z "$CC" && CC=cc
315                 LIBS="-lpthread -lexc $LIBS"
316                 check_pthread=no
317                 AC_MSG_RESULT([Tru64 or Digital UNIX])
318         ;;
319         dnl FreeBSD is similar to Digital UNIX with DEC C, which has a -pthread flag:
320         *-*-freebsd*)
321                 if test "$with_kthread" = yes; then
322                         LIBS="-kthread $LIBS"
323                 else
324                         LIBS="-pthread $LIBS"
325                 fi
326                 check_pthread=no
327                 PTHREAD_DEFS=-D_THREAD_SAFE
328                 AC_MSG_RESULT([FreeBSD])
329         ;;
330         *-*-openbsd*)
331                 LIBS="-pthread $LIBS"
332                 check_pthread=no
333                 PTHREAD_DEFS=-pthread
334                 AC_MSG_RESULT([OpenBSD])
335         ;;
336         *-*-linux*)
337                 PTHREAD_DEFS="-D_REENTRANT -pthread"
338                 AC_MSG_RESULT([Linux])
339         ;;
340         *-*-solaris*)
341                 PTHREAD_DEFS="-D_REENTRANT -D_PTHREADS"
342                 AC_MSG_RESULT([Solaris])
343         ;;
344         *-*-cygwin*)
345                 SERVER_LDFLAGS="-Wl,-subsystem,windows"
346                 AC_MSG_RESULT([Cygwin])
347         ;;
348         *)
349                 AC_MSG_RESULT([default])
350         ;;
351 esac
352 dnl DEFS="$DEFS $PTHREAD_DEFS"
353
354
355 dnl Checks for programs.
356 AC_PROG_CC
357
358
359
360 dnl Set up system-dependent compiler flags.
361 if test "$GCC" = yes; then
362         if test "$CC" = icc; then
363                 CFLAGS="$CFLAGS -w1"
364         else
365                 case "$host" in
366                         *-*-solaris*|alpha*-dec-osf*)
367                                 CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wno-char-subscripts $PTHREAD_DEFS"
368                         ;;
369                         *)
370                         CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wstrict-prototypes -Wno-strict-aliasing $PTHREAD_DEFS"
371                         ;;
372                 esac
373         fi
374 fi
375
376 if test "x$enable_pie" = xyes; then
377         save_CFLAGS="$CFLAGS"
378         save_LDFLAGS="$LDFLAGS"
379         CFLAGS="$CFLAGS -fpie"
380         LDFLAGS="$LDFLAGS -pie -fpie"
381         AC_CACHE_CHECK([whether compiler accepts -pie -fpie], ac_cv_pie_fpie,
382         [AC_TRY_LINK([], [],
383         ac_cv_pie_fpie=yes, ac_cv_pie_fpie=no)])
384         if test $ac_cv_pie_fpie = no; then
385                 CFLAGS="$save_CFLAGS"
386                 LDFLAGS="$save_LDFLAGS"
387         fi
388 fi
389
390 AC_MSG_CHECKING([how to create dependancy checks])
391                  if test -n "`$CC -V 2>&1 |grep Sun`"; then 
392                         DEPEND_FLAG=-xM;
393                  else 
394                         DEPEND_FLAG=-M
395                  fi
396 AC_SUBST(DEPEND_FLAG)
397
398
399 AC_PROG_INSTALL
400 AC_PROG_YACC
401 missing_dir=`cd $ac_aux_dir && pwd`
402 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
403 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
404
405 dnl Checks for system services.
406
407 dnl Check the size of various builtin types; see typesize.h (error)
408 AC_CHECK_SIZEOF(char, 0)
409 AC_CHECK_SIZEOF(short, 0)
410 AC_CHECK_SIZEOF(int, 0)
411 AC_CHECK_SIZEOF(long, 0)
412 AC_CHECK_SIZEOF(size_t, 0)
413 dnl AC_CHECK_SIZEOF(long long, 0)
414
415 dnl Checks for libraries.
416
417 dnl We want to test for the following in libc before checking for their
418 dnl respective libraries, because some systems (like Irix) have both, and the
419 dnl non-libc versions may be broken.
420 AC_CHECK_FUNCS(crypt gethostbyname connect flock getpwnam_r getpwuid_r getloadavg)
421
422 AC_CHECK_FUNCS(strftime_l uselocale gettext)
423
424 if test "$ok_nls" != "no"; then
425         AC_CHECK_PROG(ok_xgettext, xgettext, yes, no)
426         ok_nls=$ok_xgettext
427 fi
428
429 if test "$ok_nls" != "no"; then
430         AC_CHECK_PROG(ok_msgmerge, msgmerge, yes, no)
431         ok_nls=$ok_msgmerge
432 fi
433
434 if test "$ok_nls" != "no"; then
435         AC_CHECK_PROG(ok_msgfmt, msgfmt, yes, no)
436         ok_nls=$ok_msgfmt
437 fi
438
439 if test "$ok_nls" != "no"; then
440         AC_MSG_RESULT(citadel will be built with national language support.)
441         AC_DEFINE(ENABLE_NLS, [], [whether we have NLS support])
442         PROG_SUBDIRS="$PROG_SUBDIRS po/citadel-setup"
443 else
444         AC_MSG_RESULT(citadel will be built without national language support.)
445 fi
446
447 dnl disable backtrace if we don't want it.
448 AC_ARG_WITH(backtrace, 
449                     [  --with-backtrace        enable backtrace dumps in the syslog],
450                         [ if test "x$withval" != "xno" ; then
451                              CFLAGS="$CFLAGS  -rdynamic "
452                              LDFLAGS="$LDFLAGS  -rdynamic "
453                              SERVER_LDFLAGS="$SERVER_LDFLAGS  -rdynamic "
454                              AC_CHECK_FUNCS(backtrace)
455                           fi
456                         ]
457 )
458
459 dnl disable backtrace if we don't want it.
460 AC_ARG_WITH(gprof, 
461                     [  --with-gprof            enable profiling],
462                         [ if test "x$withval" != "xno" ; then
463                              CFLAGS="$CFLAGS  -pg "
464                              LDFLAGS="$LDFLAGS  -pg "
465                              SERVER_LDFLAGS="$SERVER_LDFLAGS  -pg "
466                           fi
467                         ]
468 )
469
470 if test "$ac_cv_func_gethostbyname" = no; then
471         AC_CHECK_LIB(nsl, gethostbyname)
472 fi
473
474 if test "$ac_cv_func_connect" = no; then
475         AC_CHECK_LIB(socket, connect)
476 fi
477
478 dnl Check for Solaris realtime support
479 AC_CHECK_LIB(rt, sched_yield)
480
481 dnl Determine the system's authentication capabilities.
482 dnl We currently support PAM, standard getpwnam(), and getspnam()
483 dnl (Linux shadow passwords)
484
485 save_LIBS=$LIBS
486 AC_CHECK_LIB(pam, pam_start, [chkpwd_LIBS="-lpam $chkpwd_LIBS"
487         LIBS="-lpam $LIBS"])
488 AC_CHECK_FUNCS(pam_start)
489 test "$enable_chkpwd" != no && LIBS=$save_LIBS
490         if test "$ac_cv_func_pam_start" = no -o "$with_pam" != yes; then
491                 save_LIBS=$LIBS
492                 AC_SEARCH_LIBS(getspnam, shadow, [
493                         if test "$ac_cv_search_getspnam" = -lshadow; then
494                                 chkpwd_LIBS="-lshadow $chkpwd_LIBS"
495                         fi])
496                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
497                 if test "$ac_cv_func_crypt" = no; then
498                         AC_CHECK_LIB(crypt, crypt, [
499                                 chkpwd_LIBS="-lcrypt $chkpwd_LIBS"
500                                 test "$enable_chkpwd" = no && \
501                                         LIBS="-lcrypt $LIBS"])
502                 fi
503         fi
504
505 AC_CHECK_FUNCS(vw_printw wcolor_set resizeterm wresize)
506
507 dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
508 dnl which the -pthread flag takes care of this.)
509 if test "$check_pthread" != no; then
510         AC_CHECK_LIB(pthread, pthread_create)
511         AC_CHECK_LIB(pthreads, pthread_create)
512 fi
513
514 test -d /usr/kerberos/include && CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
515
516 dnl Checks for the libical iCalendar library.
517 AC_CHECK_HEADER(libical/ical.h,
518         [AC_CHECK_LIB(ical, icaltimezone_set_tzid_prefix,
519                 [
520                         SERVER_LIBS="-lical $SERVER_LIBS"
521                 ],
522                 [
523                         AC_MSG_ERROR(libical was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
524                 ]
525         ,
526         )],
527         [
528                 AC_MSG_ERROR(libical/ical.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
529         ]
530 )
531
532
533 dnl Checks for the libsieve mailbox sorting library.
534 AC_CHECK_HEADER(sieve2.h,
535         [AC_CHECK_LIB(sieve, sieve2_license,
536                 [
537                         SERVER_LIBS="-lsieve $SERVER_LIBS"
538                 ],
539                 [
540                         AC_MSG_ERROR(libsieve was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
541                 ]
542         ,
543         )],
544         [
545                 AC_MSG_ERROR(sieve2.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
546         ]
547 )
548
549 saved_CFLAGS="$CFLAGS"
550 CFLAGS="$CFLAGS $SERVER_LIBS"
551 dnl Check for libcitadel
552 AC_CHECK_HEADER(libcitadel.h,
553         [AC_CHECK_LIB(citadel, libcitadel_version_string,
554                 [
555                         LIBS="-lcitadel $LIBS $SERVER_LIBS"
556                         chkpwd_LIBS="-lcitadel $chkpwd_LIBS"
557                 ],
558                 [
559                         AC_MSG_ERROR(libcitadel was not found or is not usable.  Please install libcitadel.)
560                 ]
561         ,
562         )],
563         [
564                 AC_MSG_ERROR(libcitadel.h was not found or is not usable.  Please install libcitadel.)
565         ]
566 )
567
568 CFLAGS="$saved_CFLAGS"
569
570
571 AC_CHECK_LIB(cares, ares_init,
572             [
573                     C_ARES_LIBS=-lcares
574                     AC_DEFINE(HAVE_C_ARES, 1, [Define to use c-ares library])
575                     have_good_c_ares=yes
576             ],, $SOCKET_LIBS $NSL_LIBS
577 )
578
579
580
581 saved_CFLAGS="$CFLAGS"
582 CFLAGS="$CFLAGS $SERVER_LIBS"
583 dnl Check for libevent
584 AC_CHECK_HEADER(ares.h,
585         [AC_CHECK_LIB(cares, ares_init,
586                 [
587                         LIBS="-lcares $LIBS $SERVER_LIBS"
588                 ],
589                 [
590                         AC_MSG_ERROR(libc-ares was not found or is not usable.  Please install libc-ares.)
591                 ]
592         )],
593         [
594                 AC_MSG_ERROR(ares.h was not found or is not usable.  Please install libc-ares.)
595         ]
596 )
597 CFLAGS="$saved_CFLAGS"
598
599 saved_CFLAGS="$CFLAGS"
600 CFLAGS="$CFLAGS $SERVER_LIBS"
601 dnl Check for libevent
602 AC_CHECK_HEADER(ev.h,
603         [AC_CHECK_LIB(ev, libcitadel_version_string,
604                 [
605                         LIBS="-lev -lm $LIBS $SERVER_LIBS"
606                 ],
607                 [
608                         AC_MSG_ERROR(libev was not found or is not usable.  Please install libev.)
609                 ]
610         ,
611         )],
612         [
613                 AC_MSG_ERROR(ev.h was not found or is not usable.  Please install libev.)
614         ]
615 )
616 CFLAGS="$saved_CFLAGS"
617
618 # The big search for OpenSSL
619 if test "$with_ssl" != "no"; then
620         saved_LIBS="$LIBS"
621         saved_LDFLAGS="$LDFLAGS"
622         saved_CFLAGS="$CFLAGS"
623         if test "x$prefix" != "xNONE"; then
624                 tryssldir="$tryssldir $prefix"
625         fi
626         AC_CACHE_CHECK([for OpenSSL], ac_cv_openssldir, [
627                 for ssldir in $tryssldir "" /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
628                         CFLAGS="$saved_CFLAGS"
629                         LDFLAGS="$saved_LDFLAGS"
630                         LIBS="$saved_LIBS -lssl -lcrypto"
631         
632                         # Skip directories if they don't exist
633                         if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
634                                 continue;
635                         fi
636                         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
637                                 # Try to use $ssldir/lib if it exists, otherwise
638                                 # $ssldir
639                                 if test -d "$ssldir/lib" ; then
640                                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
641                                         if test ! -z "$need_dash_r" ; then
642                                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
643                                         fi
644                                 else
645                                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
646                                         if test ! -z "$need_dash_r" ; then
647                                                 LDFLAGS="-R$ssldir $LDFLAGS"
648                                         fi
649                                 fi
650                                 # Try to use $ssldir/include if it exists, otherwise
651                                 # $ssldir
652                                 if test -d "$ssldir/include" ; then
653                                         CFLAGS="-I$ssldir/include $saved_CFLAGS"
654                                 else
655                                         CFLAGS="-I$ssldir $saved_CFLAGS"
656                                 fi
657                         fi
658         
659                         # Basic test to check for compatible version and correct linking
660                         # *does not* test for RSA - that comes later.
661                         AC_TRY_RUN(
662                                 [
663         #include <string.h>
664         #include <openssl/rand.h>
665         int main(void)
666         {
667                 char a[2048];
668                 memset(a, 0, sizeof(a));
669                 RAND_add(a, sizeof(a), sizeof(a));
670                 return(RAND_status() <= 0);
671         }
672                                 ],
673                                 [
674                                         found_crypto=1
675                                         break;
676                                 ], []
677                         )
678         
679                         if test ! -z "$found_crypto" ; then
680                                 break;
681                         fi
682                 done
683         
684                 if test -z "$ssldir" ; then
685                         ssldir="(system)"
686                 fi
687         
688                 if test ! -z "$found_crypto" ; then
689                         ac_cv_openssldir=$ssldir
690                 else
691                         ac_cv_openssldir="no"
692                 fi
693         ])
694         LIBS="$saved_LIBS"
695         LDFLAGS="$saved_LDFLAGS"
696         CFLAGS="$saved_CFLAGS"
697         
698         if test "x$ac_cv_openssldir" != "xno" ; then
699                 AC_DEFINE(HAVE_OPENSSL, [], [Define if you have OpenSSL.])
700                 LIBS="-lssl -lcrypto $LIBS"
701                 dnl Need to recover ssldir - test above runs in subshell
702                 ssldir=$ac_cv_openssldir
703                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr" -a "x$ssldir" != "x(system)"; then
704                         # Try to use $ssldir/lib if it exists, otherwise
705                         # $ssldir
706                         if test -d "$ssldir/lib" ; then
707                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
708                                 if test ! -z "$need_dash_r" ; then
709                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
710                                 fi
711                         else
712                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
713                                 if test ! -z "$need_dash_r" ; then
714                                         LDFLAGS="-R$ssldir $LDFLAGS"
715                                 fi
716                         fi
717                         # Try to use $ssldir/include if it exists, otherwise
718                         # $ssldir
719                         if test -d "$ssldir/include" ; then
720                                 CFLAGS="-I$ssldir/include $saved_CFLAGS"
721                         else
722                                 CFLAGS="-I$ssldir $saved_CFLAGS"
723                         fi
724                 fi
725         fi
726 fi
727
728 if test "x$with_db" != xno; then
729         test "$db_dir" && LDFLAGS="$LDFLAGS -L$db_dir/lib"
730
731         dblib=""
732
733         if test -d "$db_dir/include/db4"; then
734                 CPPFLAGS="$CPPFLAGS -I$db_dir/include/db4"
735                 dblib="db4"
736         elif test "$db_dir"; then
737                 CPPFLAGS="$CPPFLAGS -I$db_dir/include"
738         elif test -d /usr/include/db4; then
739                 CPPFLAGS="$CPPFLAGS -I/usr/include/db4"
740                 dblib="db4"
741         fi
742
743
744         AC_CHECK_DB([db db-4.1 db-4 db4],
745                     [
746                      DATABASE=database.c
747                     ],
748                     AC_MSG_ERROR([[Can not locate a suitable Berkeley DB
749                                   library.  Use --with-db=PATH to specify
750                                   the path]]))
751
752 fi
753
754
755
756
757 dnl Checks for the OpenLDAP client library.
758 if test "x$with_ldap" != xno ; then
759         AC_CHECK_HEADERS(ldap.h,
760                 [AC_CHECK_LIB(ldap, ldap_init,
761                         [ok_ldap=yes],,
762         )])
763 fi
764
765 if test "x$ok_ldap" = xyes ; then
766         SERVER_LIBS="-lldap $SERVER_LIBS"
767         AC_DEFINE(HAVE_LDAP, [], [define this if you have OpenLDAP client available])
768 fi
769
770
771
772
773
774
775 dnl Checks for the libdspam mail spam scanning library.
776 dnl if test "x$with_libdspam" != xno ; then
777 dnl     AC_CHECK_HEADERS(dspam/libdspam.h,
778 dnl             [AC_CHECK_LIB(dspam, dspam_init,
779 dnl                     [ok_libdspam=yes],,
780 dnl     )])
781 dnl fi
782 dnl 
783 dnl if test "x$ok_libdspam" = xyes ; then
784 dnl     SERVER_LIBS="-ldspam $SERVER_LIBS"
785 dnl     AC_DEFINE(HAVE_LIBDSPAM, [], [(unfinished) define this if you have the libdspam mail spam scanning library available])
786 dnl fi
787
788
789
790 dnl Checks for the Expat XML parser.
791 AC_CHECK_HEADER(expat.h,
792         [AC_CHECK_LIB(expat, XML_ParserCreateNS,
793                 [
794                         SERVER_LIBS="-lexpat $SERVER_LIBS"
795                 ],
796                 [
797                         AC_MSG_ERROR(The Expat XML parser was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
798                 ]
799         ,
800         )],
801         [
802                 AC_MSG_ERROR(expat.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
803         ]
804 )
805
806
807
808
809
810
811
812 dnl Checks for libcurl.
813 AC_CHECK_HEADER(curl/curl.h,
814         [AC_CHECK_LIB(curl, curl_version,
815                 [
816                         SERVER_LIBS="-lcurl $SERVER_LIBS"
817                 ],
818                 [
819                         AC_MSG_ERROR(libcurl was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
820                 ]
821         ,
822         )],
823         [
824                 AC_MSG_ERROR(curl/curl.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
825         ]
826 )
827
828
829
830
831
832
833
834
835
836
837 dnl Checks for header files.
838 AC_HEADER_DIRENT
839 AC_HEADER_STDC
840 AC_HEADER_SYS_WAIT
841
842 dnl
843 dnl TODO: for the DB header checks, we should check whether the headers
844 dnl define db_env_create, somehow
845 dnl
846 AC_CHECK_HEADERS(dl.h fcntl.h limits.h malloc.h termios.h sys/ioctl.h sys/select.h sys/stat.h sys/time.h sys/prctl.h syslog.h unistd.h utmp.h utmpx.h paths.h db.h db4/db.h pthread.h netinet/in.h arpa/nameser.h arpa/nameser_compat.h syscall.h sys/syscall.h)
847
848 AC_CHECK_HEADER(resolv.h,AC_DEFINE(HAVE_RESOLV_H, [], [define this if you have the resolv.h header file.]),,
849 [#ifdef HAVE_SYS_TYPES_H
850 #include <sys/types.h>
851 #endif
852 #ifdef HAVE_NETINET_IN_H
853 #include <netinet/in.h>
854 #endif
855 #ifdef HAVE_ARPA_NAMESER_H
856 #include <arpa/nameser.h>
857 #endif])
858
859
860 dnl Checks for typedefs, structures, and compiler characteristics.
861 AC_C_CONST
862 AC_TYPE_PID_T
863 AC_TYPE_SIZE_T
864 AC_HEADER_TIME
865
866 dnl defined in acinclude.m4:
867 CIT_STRUCT_TM
868
869 AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_ut_type,
870 [AC_TRY_COMPILE([#include <sys/types.h>
871 #include <utmp.h>], [struct utmp ut; ut.ut_type;],
872 ac_cv_struct_ut_type=yes, ac_cv_struct_ut_type=no)])
873 if test $ac_cv_struct_ut_type = yes; then
874         AC_DEFINE(HAVE_UT_TYPE, [], [define this if struct utmp has an ut_type member])
875 fi
876
877 AC_CACHE_CHECK(
878         [for call semantics from getpwuid_r], 
879         ac_cv_call_getpwuid_r,
880         [AC_TRY_COMPILE([#include <sys/types.h>
881 #include <pwd.h>], 
882                          [
883                                 struct passwd pw, *pwp;
884                                 char pwbuf[64];
885                                 uid_t uid;
886
887                                 getpwuid_r(uid, &pw, pwbuf, sizeof(pwbuf), &pwp);
888                         ],
889                         ac_cv_call_getpwuid_r=yes, 
890                         ac_cv_call_getpwuid_r=no)
891         ])
892
893 if test $ac_cv_call_getpwuid_r = no; then
894         AC_DEFINE(SOLARIS_GETPWUID,[],[do we need to use solaris call syntax?])
895         AC_DEFINE(F_UID_T, "%ld", [whats the matching format string for uid_t?])
896         AC_DEFINE(F_PID_T, "%ld",  [whats the matching format string for pid_t?])
897         AC_DEFINE(F_XPID_T, "%lx",  [whats the matching format string for xpid_t?])
898 else
899         AC_DEFINE(F_UID_T, "%d",  [whats the matching format string for uid_t?])
900         AC_DEFINE(F_PID_T, "%d",  [whats the matching format string for pid_t?])
901         AC_DEFINE(F_XPID_T, "%x",  [whats the matching format string for xpid_t?])
902 fi
903
904
905 dnl Our own happy little check for the resolver library.
906
907 case "`uname -a`" in 
908  OpenBSD*)
909         echo "we don't need to check for resolv on openbsd"  
910         ;;
911  FreeBSD*)
912         echo "we don't need to check for resolv on freeBSD"  
913         ;;
914  *)
915         test -f /usr/local/lib/libresolv.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
916         AC_CHECK_LIB(resolv, res_query,
917                 RESOLV="$RESOLV -lresolv",
918                 [dnl Have to include resolv.h as res_query is sometimes defined as a macro
919                         AC_MSG_CHECKING([for res_query in -lresolv (with resolv.h if present)])
920                         saved_libs="$LIBS"
921                         LIBS="-lresolv $LIBS"
922                         AC_TRY_LINK([
923                                 #ifdef HAVE_RESOLV_H
924                                 #include <resolv.h>
925                                 #endif],
926                                 [res_query(0,0,0,0,0)],
927                                 [AC_MSG_RESULT(yes)
928                                                 have_res_query=yes],
929                                 [AC_MSG_RESULT(no)
930                                         AC_MSG_ERROR(libresolv was not found.  Citadel requires the resolver library.)
931                                 ])
932          ]
933         )
934         ;;
935 esac
936
937
938
939 AC_CACHE_CHECK([for ut_host in struct utmp], ac_cv_struct_ut_host,
940 [AC_TRY_COMPILE([#include <sys/types.h>
941 #include <utmp.h>], [struct utmp ut; ut.ut_host;],
942 ac_cv_struct_ut_host=yes, ac_cv_struct_ut_host=no)])
943 if test $ac_cv_struct_ut_host = yes; then
944         AC_DEFINE(HAVE_UT_HOST, [], [define this if struct utmp has an ut_host member])
945 fi
946
947 dnl Checks for library functions.
948 AC_FUNC_GETPGRP
949 AC_PROG_GCC_TRADITIONAL
950 AC_TYPE_SIGNAL
951 AC_FUNC_VPRINTF
952 AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror strcasecmp strncasecmp)
953
954 dnl Now check for pthreads
955
956 dnl On some platforms, AC_CHECK_FUNC[S] doesn't work for pthreads programs;
957 dnl we need to include pthread.h
958
959 AC_CACHE_CHECK([for pthread_cancel], ac_cv_func_pthread_cancel,
960 [AC_TRY_LINK([#include <pthread.h>],
961 [       pthread_t thread;
962
963         /* The GNU C library defines this for functions which it implements
964            to always fail with ENOSYS.  Some functions are actually named
965            something starting with __ and the normal name is an alias.  */
966 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
967         choke me
968 #else
969         pthread_cancel(thread);
970 #endif],
971 ac_cv_func_pthread_cancel=yes, ac_cv_func_pthread_cancel=no)])
972 if test "$ac_cv_func_pthread_cancel" = yes; then
973         AC_DEFINE(HAVE_PTHREAD_CANCEL, [], [define this if you have the pthread_cancel() function])
974 fi
975
976 AC_CACHE_CHECK([for pthread_create], ac_cv_func_pthread_create,
977 [AC_TRY_LINK([#include <pthread.h>],
978 [       /* The GNU C library defines this for functions which it implements
979            to always fail with ENOSYS.  Some functions are actually named
980            something starting with __ and the normal name is an alias.  */
981 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
982         choke me
983 #else
984         pthread_create(NULL, NULL, NULL, NULL);
985 #endif],
986 ac_cv_func_pthread_create=yes, ac_cv_func_pthread_create=no)])
987 if test "$ac_cv_func_pthread_create" = yes; then
988         test "$DATABASE" && TARGETS="client server utils"
989         if test "x$enable_threaded_client" != xno; then
990                 AC_DEFINE(THREADED_CLIENT, [], [define this if you want to enable the multithreaded client])
991         fi
992 fi
993
994 AC_REPLACE_FUNCS(snprintf getutline)
995
996 AC_CACHE_CHECK([the weather], ac_cv_weather, [
997         sleep 1
998         echo $ECHO_N "opening your window... $ECHO_C" >&6
999         sleep 2
1000         month=`date | cut -f 2 -d ' '`
1001         case $month in
1002         Dec | Jan | Feb)
1003                 ac_cv_weather="it's cold!"
1004                 ;;
1005         Mar | Apr)
1006                 ac_cv_weather="it's wet!"
1007                 ;;
1008         Jul | Aug)
1009                 ac_cv_weather="it's hot!"
1010                 ;;
1011         Oct | Nov)
1012                 ac_cv_weather="it's cool"
1013                 ;;
1014         May | Jun | Sep | *)
1015                 ac_cv_weather="it's fine"
1016                 ;;
1017         esac
1018         ])
1019
1020
1021
1022
1023 AC_CACHE_CHECK([under the bed], ac_cv_under_the_bed, [
1024         number=`date | cut -c 19`
1025         case $number in
1026         7)
1027                 ac_cv_under_the_bed="lunatics and monsters found"
1028                 ;;
1029         *)
1030                 ac_cv_under_the_bed="dust bunnies found"
1031                 ;;
1032         esac
1033         ])
1034
1035
1036 STRUCT_UCRED
1037
1038
1039
1040 dnl Done! Now write the Makefile and sysdep.h
1041 AC_SUBST(RESOLV)
1042 AC_SUBST(chkpwd_LIBS)
1043 AC_SUBST(TARGETS)
1044 AC_SUBST(DATABASE)
1045 AC_SUBST(SERVER_LDFLAGS)
1046 AC_SUBST(SERVER_LIBS)
1047 AC_SUBST(SETUP_LIBS)
1048 AC_CONFIG_FILES([Makefile])
1049 AC_OUTPUT(database_cleanup.sh po/citadel-setup/Makefile)
1050
1051 if test -z "$DATABASE"; then
1052         AC_MSG_WARN([No database driver was found. Please install Berkeley DB.])
1053 fi
1054
1055 abs_srcdir="`cd $srcdir && pwd`"
1056 abs_builddir="`pwd`"
1057 if test "$abs_srcdir" != "$abs_builddir"; then
1058    ln -sf $abs_srcdir/include $abs_builddir
1059    ln -sf $abs_srcdir/Make_sources $abs_builddir
1060    ln -sf $abs_srcdir/Make_modules $abs_builddir
1061    for i in $abs_srcdir/*.h ; do
1062       if test "$abs_srcdir/sysdep.h" != "$i"; then
1063          ln -sf $i $abs_builddir
1064       fi
1065    done
1066    for d in `/bin/ls $abs_srcdir/modules/`; do 
1067         (mkdir -p $abs_builddir/modules/$d) 
1068    done
1069    if test -d "$abs_srcdir/user_modules/"; then
1070       for d in `/bin/ls $abs_srcdir/user_modules/`; do 
1071         (mkdir -p $abs_builddir/user_modules/$d) 
1072         done
1073    fi
1074    mkdir -p $abs_builddir/utils
1075    mkdir -p $abs_builddir/utillib
1076    mkdir -p $abs_builddir/textclient
1077 fi
1078
1079 if test -n "$srcdir"; then 
1080    export srcdir=.
1081 fi
1082
1083
1084 echo ------------------------------------------------------------------------
1085 echo 'LDAP support:                    ' $ok_ldap
1086 echo 'Character set conversion support:' $ok_iconv
1087 echo 'Boehm-Demers-Weiser support:     ' $ok_gc
1088 dnl echo 'DSpam Scanning support:          ' $ok_libdspam
1089 echo 
1090 echo 'Note: if you are not using Linux, make sure you are using GNU make'
1091 echo '(gmake) to compile Citadel.'
1092 echo