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