Removed the --disable-chkpwd option, because it generates
[citadel.git] / citadel / configure.ac
1 dnl Process this file with autoconf to produce a configure script.
2 dnl $Id$
3 AC_PREREQ(2.52)
4 AC_INIT([Citadel], [7.10], [http://www.citadel.org/])
5 AC_REVISION([$Revision: 5108 $])
6 AC_CONFIG_SRCDIR([citserver.c])
7 AC_PREFIX_DEFAULT(/usr/local/citadel)
8 if test "$prefix" = NONE; then
9         AC_DEFINE_UNQUOTED(CTDLDIR, "$ac_default_prefix", [define this to the Citadel home directory])
10         ssl_dir="$ac_default_prefix/keys"
11 else
12         AC_DEFINE_UNQUOTED(CTDLDIR, "$prefix", [define this to the Citadel home directory])
13         ssl_dir="$prefix/keys"
14 fi
15
16
17 dnl Make sure we see all GNU and Solaris extensions.
18 AC_GNU_SOURCE
19
20
21 dnl Checks for the Datadir
22 AC_ARG_WITH(datadir, 
23                     [  --with-datadir          directory to store the databases under],
24                         [ if test "x$withval" != "xno" ; then
25                                               AC_DEFINE(HAVE_DATA_DIR,[],[use alternate database location?])
26                                               AC_DEFINE_UNQUOTED(DATA_DIR, "$withval",[define, if the user suplied a data-directory to use.])
27                                               MAKE_DATA_DIR=$withval
28                                               AC_SUBST(MAKE_DATA_DIR)
29                           fi
30                         ]
31 )
32
33 dnl Checks for the Datadir
34 AC_ARG_WITH(staticdatadir, 
35                     [  --with-staticdatadir    directory to store citadels system messages under],
36                         [ if test "x$withval" != "xno" ; then
37                                                   AC_DEFINE(HAVE_STATICDATA_DIR, [], [should we activate an alternate static text location?])
38                                                   AC_DEFINE_UNQUOTED(STATICDATA_DIR, "$withval", [where do we put our static text data?])
39                                                   MAKE_STATICDATA_DIR=$withval
40                                                   AC_SUBST(MAKE_STATICDATA_DIR)
41                           fi
42                         ]
43 )
44
45
46 dnl Checks for the SSLdir
47 dnl this is a bit different than the rest, 
48 dnl because of the citadel used to have a keys/ subdir.
49 AC_ARG_WITH(ssldir, 
50                     [  --with-ssldir          directory to store the ssl certificates under],
51                         [ if test "x$withval" != "xno" ; then
52                                               
53                                                   ssl_dir="$withval"
54                           fi
55                         AC_SUBST(MAKE_SSL_DIR)
56                         ]
57 )
58 AC_DEFINE_UNQUOTED(SSL_DIR, "$ssl_dir", [were should we put our keys?])
59
60
61 dnl Checks for the spooldir
62 AC_ARG_WITH(spooldir, 
63                         [  --with-spooldir         directory to keep queues under],
64                         [ if test "x$withval" != "xno" ; then
65                                                 AC_DEFINE(HAVE_SPOOL_DIR, [], [enable alternate spool dir?])
66                                                 AC_DEFINE_UNQUOTED(SPOOL_DIR,"$withval", [where do we place our spool dirs?])
67                                                 MAKE_SPOOL_DIR=$withval
68                                                 AC_SUBST(MAKE_SPOOL_DIR)
69                            fi
70                         ]
71 )
72
73
74 dnl Checks for the Configdir
75 AC_ARG_WITH(sysconfdir, 
76                         [  --with-sysconfdir       directory to store the configs under],
77                         [ if test "x$withval" != "xno" ; then
78                                             AC_DEFINE(HAVE_ETC_DIR, [], [should we search our system config in an alternate place?])
79                                                 AC_DEFINE_UNQUOTED(ETC_DIR, "$withval", [where to search our config files])
80                                                 MAKE_ETC_DIR=$withval
81                                                 AC_SUBST(MAKE_ETC_DIR)
82                           fi
83                         ]
84 )
85
86 dnl Checks for where to put our utilities
87 AC_ARG_WITH(utility-bindir, 
88                         [  --with-utility-bindir       directory where to find helper binaries],
89                         [ if test "x$withval" != "xno" ; then
90                                             AC_DEFINE(HAVE_UTILBIN_DIR,[],[should we put our helper binaries to another location?])
91                                                 AC_DEFINE_UNQUOTED(UTILBIN_DIR, "$withval", [were to put our helper programs])
92                                                 MAKE_UTILBIN_DIR=$withval
93                                                 AC_SUBST(MAKE_UTILBIN_DIR)
94                           fi
95                         ]
96 )
97
98
99 dnl Checks for the run-dir for the sockets
100 AC_ARG_WITH(rundir, 
101                         [  --with-rundir           directory to place runtime files (UDS) to?],
102                         [ if test "x$withval" != "xno" ; then
103                                             AC_DEFINE(HAVE_RUN_DIR, [], [should we put our non volatile files elsewhere?])
104                                                 AC_DEFINE_UNQUOTED(RUN_DIR, "$withval", [define, where the config should go in unix style])
105                                                 MAKE_RUN_DIR=$withval
106                                                 AC_SUBST(MAKE_RUN_DIR)
107                           fi
108                         ]
109 )
110
111
112 dnl Checks for the Pseudo Random Generator sockets TODO: this keeps being default.
113 AC_DEFINE_UNQUOTED(EGD_POOL, "/var/run/egd-pool", [place to keep our pseudo random generator file])
114 AC_ARG_WITH(egdpool, 
115                         [  --with-egdpool          the socket from Pseudo Random Generator, defaults to /var/run/egd-pool],
116                         [ if test "x$withval" != "xno" ; then
117                                                 AC_DEFINE_UNQUOTED(EGD_POOL, "$withval", [the socket from Pseudo Random Generator])
118                           fi
119                         ]
120 )
121
122
123 AC_ARG_WITH(docdir,
124                         [  --with-docdir           where to install the documentation. default: /usr/local/citadel/],
125                         [ if test "x$withval" != "xno" ; then
126                                         MAKE_DOC_DIR=$withval
127                                         AC_SUBST(MAKE_DOC_DIR)
128                           fi
129                         ]
130 )
131
132
133
134 AC_ARG_ENABLE(chkpwd, [  --disable-chkpwd        don't build 'chkpwd'])
135
136 AC_ARG_ENABLE(threaded-client, [  --disable-threaded-client
137                           disable multithreaded client])
138
139 AC_ARG_ENABLE(pie, [  --enable-pie            build position-independent executables])
140
141 AC_ARG_WITH(pam, [  --with-pam              use PAM if present (see PAM.txt before you try this)])
142 AC_ARG_WITH(kthread, [  --with-kthread          use kernel threads (on FreeBSD) (not recommended yet)])
143 AC_ARG_WITH(db, [  --with-db@<:@=DIR@:>@         use Sleepycat DB 3.x @<:@DIR=/usr/local/BerkeleyDB.3.@<:@123@:>@@:>@])
144 AC_ARG_WITH(ssl,
145         [  --with-ssl=PATH         Specify path to OpenSSL installation ],
146         [
147                 if test "x$withval" != "xno" ; then
148                         tryssldir=$withval
149                 fi
150         ]
151 )
152 AC_ARG_WITH(ncurses, [  --without-ncurses       don't use ncurses])
153
154 AC_ARG_WITH(with_zlib, [  --with-zlib             use zlib compression if present])
155 AC_ARG_WITH(with_ldap, [  --with-ldap             use OpenLDAP client library])
156 AC_ARG_WITH(with_libical, [  --with-libical          use libical calendaring library])
157 AC_ARG_WITH(with_libsieve, [  --with-libsieve         use libsieve mail sorting library])
158
159 if test "x$with_db" != xno -a "x$with_db" != xyes -a "$with_db"; then
160         db_dir="$with_db"
161         with_db=yes
162 else
163         test -f /usr/local/lib/libdb.a -o -f /usr/local/lib/libdb.so \
164           -o -f /usr/local/lib/libdb4.a -o -f /usr/local/lib/libdb4.so \
165           && db_dir=/usr/local
166
167         test -d /usr/local/BerkeleyDB.4.1 && db_dir=/usr/local/BerkeleyDB.4.1
168         test -d /usr/local/BerkeleyDB.4.2 && db_dir=/usr/local/BerkeleyDB.4.2
169         test -d /usr/local/BerkeleyDB.4.3 && db_dir=/usr/local/BerkeleyDB.4.3
170 fi
171
172 dnl By default, we only build the client (citadel and whobbs) unless we can
173 dnl figure out how to build with POSIX threads.
174 TARGETS=client
175
176 AC_CANONICAL_HOST
177 PTHREAD_DEFS=-D_REENTRANT
178 AC_MSG_CHECKING([how to compile with POSIX threads])
179 case "$host" in
180         dnl BSDI 3.0 wants relocatable object modules instead of shared libs
181         dnl for dlopen(), and has a wrapper script to link with shared libs.
182         dnl Also has stupid non-reentrant gethostbyaddr() and friends.
183         *-*-bsdi[123]*)
184                 test -z "$CC" -a -x /usr/bin/shlicc2 && CC=shlicc2
185                 AC_DEFINE(HAVE_NONREENTRANT_NETDB,[], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
186                 AC_MSG_RESULT([Old BSDI])
187         ;;
188         *-*-bsdi*)
189                 AC_DEFINE(HAVE_NONREENTRANT_NETDB, [], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
190                 AC_MSG_RESULT([BSD/OS])
191         ;;
192         dnl Curses support on Mac OS X is kind of screwed at the moment.
193         dnl TCP buffering isn't ideal under OS X. This define should also be
194         dnl checked in other cases of OS X-Linux differences.
195         *-*-darwin*)
196                 AC_DEFINE(DISABLE_CURSES,[],[define this to disable use of curses])
197                 AC_DEFINE(HAVE_DARWIN, [], [define if using OS X/Darwin])
198                 AC_MSG_RESULT([Mac OS X])
199         ;;
200         dnl Digital Unix has an odd way to build for pthreads, and we can't
201         dnl build pthreads programs with gcc due to header problems.
202         alpha*-dec-osf*)
203                 test -z "$CC" && CC=cc
204                 LIBS="-lpthread -lexc $LIBS"
205                 check_pthread=no
206                 AC_MSG_RESULT([Tru64 or Digital UNIX])
207         ;;
208         dnl FreeBSD is similar to Digital UNIX with DEC C, which has a -pthread flag:
209         *-*-freebsd*)
210                 if test "$with_kthread" = yes; then
211                         LIBS="-kthread $LIBS"
212                 else
213                         LIBS="-pthread $LIBS"
214                 fi
215                 check_pthread=no
216                 PTHREAD_DEFS=-D_THREAD_SAFE
217                 AC_MSG_RESULT([FreeBSD])
218         ;;
219         *-*-openbsd*)
220                 LIBS="-pthread $LIBS"
221                 check_pthread=no
222                 PTHREAD_DEFS=-pthread
223                 AC_MSG_RESULT([OpenBSD])
224         ;;
225         *-*-linux*)
226                 PTHREAD_DEFS="-D_REENTRANT -pthread"
227                 AC_MSG_RESULT([Linux])
228         ;;
229         *-*-solaris*)
230                 PTHREAD_DEFS="-D_REENTRANT -D_PTHREADS"
231                 AC_MSG_RESULT([Solaris])
232         ;;
233         *-*-cygwin*)
234                 SERVER_LDFLAGS="-Wl,-subsystem,windows"
235                 AC_MSG_RESULT([Cygwin])
236         ;;
237         *)
238                 AC_MSG_RESULT([default])
239         ;;
240 esac
241 dnl DEFS="$DEFS $PTHREAD_DEFS"
242
243
244 dnl Checks for programs.
245 AC_PROG_CC
246
247 dnl Set up system-dependent compiler flags.
248 if test "$GCC" = yes; then
249         if test "$CC" = icc; then
250                 CFLAGS="$CFLAGS -w1"
251         else
252                 case "$host" in
253                         *-*-solaris*|alpha*-dec-osf*)
254                                 CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wno-char-subscripts $PTHREAD_DEFS"
255                         ;;
256                         *)
257                         CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wstrict-prototypes $PTHREAD_DEFS"
258                         ;;
259                 esac
260         fi
261 fi
262
263 if test "x$enable_pie" = xyes; then
264         save_CFLAGS="$CFLAGS"
265         save_LDFLAGS="$LDFLAGS"
266         CFLAGS="$CFLAGS -fpie"
267         LDFLAGS="$LDFLAGS -pie -fpie"
268         AC_CACHE_CHECK([whether compiler accepts -pie -fpie], ac_cv_pie_fpie,
269         [AC_TRY_LINK([], [],
270         ac_cv_pie_fpie=yes, ac_cv_pie_fpie=no)])
271         if test $ac_cv_pie_fpie = no; then
272                 CFLAGS="$save_CFLAGS"
273                 LDFLAGS="$save_LDFLAGS"
274         fi
275 fi
276
277 AC_PROG_INSTALL
278 AC_PROG_YACC
279 missing_dir=`cd $ac_aux_dir && pwd`
280 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
281 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
282
283 dnl Checks for system services.
284
285 dnl Check the size of various builtin types; see typesize.h (error)
286 AC_CHECK_SIZEOF(char, 0)
287 AC_CHECK_SIZEOF(short, 0)
288 AC_CHECK_SIZEOF(int, 0)
289 AC_CHECK_SIZEOF(long, 0)
290 dnl AC_CHECK_SIZEOF(long long, 0)
291
292 dnl Checks for libraries.
293
294 dnl We want to test for the following in libc before checking for their
295 dnl respective libraries, because some systems (like Irix) have both, and the
296 dnl non-libc versions may be broken.
297 AC_CHECK_FUNCS(crypt gethostbyname connect)
298
299 if test "$ac_cv_func_gethostbyname" = no; then
300         AC_CHECK_LIB(nsl, gethostbyname)
301 fi
302
303 if test "$ac_cv_func_connect" = no; then
304         AC_CHECK_LIB(socket, connect)
305 fi
306
307 dnl Check for Solaris realtime support
308 AC_CHECK_LIB(rt, sched_yield)
309
310 dnl Determine the system's authentication capabilities.
311 dnl We currently support PAM, standard getpwnam(), and getspnam()
312 dnl (Linux shadow passwords)
313
314         if test "$with_pam" = yes; then
315                 save_LIBS=$LIBS
316                 AC_CHECK_LIB(pam, pam_start, [chkpwd_LIBS="-lpam $chkpwd_LIBS"
317                         LIBS="-lpam $LIBS"])
318                 AC_CHECK_FUNCS(pam_start)
319                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
320         fi
321         if test "$ac_cv_func_pam_start" = no -o "$with_pam" != yes; then
322                 save_LIBS=$LIBS
323                 AC_SEARCH_LIBS(getspnam, shadow, [
324                         if test "$ac_cv_search_getspnam" = -lshadow; then
325                                 chkpwd_LIBS="-lshadow $chkpwd_LIBS"
326                         fi])
327                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
328                 if test "$ac_cv_func_crypt" = no; then
329                         AC_CHECK_LIB(crypt, crypt, [
330                                 chkpwd_LIBS="-lcrypt $chkpwd_LIBS"
331                                 test "$enable_chkpwd" = no && \
332                                         LIBS="-lcrypt $LIBS"])
333                 fi
334         fi
335
336 test -f /usr/local/lib/libresolv.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
337 AC_CHECK_LIB(resolv, res_query, RESOLV="$RESOLV -lresolv")
338
339 if test "x$with_ncurses" != "xno"; then
340         AC_SEARCH_LIBS(tgetent, [ncurses curses termcap])
341         AC_SEARCH_LIBS(scrollok, [ncurses curses])
342         AC_SEARCH_LIBS(initscr, [ncurses curses])
343 else
344         AC_SEARCH_LIBS(tgetent, [curses termcap])
345         AC_SEARCH_LIBS(initscr, [curses])
346 fi
347 AC_CHECK_FUNCS(vw_printw wcolor_set resizeterm wresize)
348
349 dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
350 dnl which the -pthread flag takes care of this.)
351 if test "$check_pthread" != no; then
352         AC_CHECK_LIB(pthread, pthread_create)
353         AC_CHECK_LIB(pthreads, pthread_create)
354 fi
355
356 test -d /usr/kerberos/include && CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
357
358 # The big search for OpenSSL
359 if test "$with_ssl" != "no"; then
360         saved_LIBS="$LIBS"
361         saved_LDFLAGS="$LDFLAGS"
362         saved_CFLAGS="$CFLAGS"
363         if test "x$prefix" != "xNONE"; then
364                 tryssldir="$tryssldir $prefix"
365         fi
366         AC_CACHE_CHECK([for OpenSSL], ac_cv_openssldir, [
367                 for ssldir in $tryssldir "" /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
368                         CFLAGS="$saved_CFLAGS"
369                         LDFLAGS="$saved_LDFLAGS"
370                         LIBS="$saved_LIBS -lssl -lcrypto"
371         
372                         # Skip directories if they don't exist
373                         if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
374                                 continue;
375                         fi
376                         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
377                                 # Try to use $ssldir/lib if it exists, otherwise
378                                 # $ssldir
379                                 if test -d "$ssldir/lib" ; then
380                                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
381                                         if test ! -z "$need_dash_r" ; then
382                                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
383                                         fi
384                                 else
385                                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
386                                         if test ! -z "$need_dash_r" ; then
387                                                 LDFLAGS="-R$ssldir $LDFLAGS"
388                                         fi
389                                 fi
390                                 # Try to use $ssldir/include if it exists, otherwise
391                                 # $ssldir
392                                 if test -d "$ssldir/include" ; then
393                                         CFLAGS="-I$ssldir/include $saved_CFLAGS"
394                                 else
395                                         CFLAGS="-I$ssldir $saved_CFLAGS"
396                                 fi
397                         fi
398         
399                         # Basic test to check for compatible version and correct linking
400                         # *does not* test for RSA - that comes later.
401                         AC_TRY_RUN(
402                                 [
403         #include <string.h>
404         #include <openssl/rand.h>
405         int main(void)
406         {
407                 char a[2048];
408                 memset(a, 0, sizeof(a));
409                 RAND_add(a, sizeof(a), sizeof(a));
410                 return(RAND_status() <= 0);
411         }
412                                 ],
413                                 [
414                                         found_crypto=1
415                                         break;
416                                 ], []
417                         )
418         
419                         if test ! -z "$found_crypto" ; then
420                                 break;
421                         fi
422                 done
423         
424                 if test -z "$ssldir" ; then
425                         ssldir="(system)"
426                 fi
427         
428                 if test ! -z "$found_crypto" ; then
429                         ac_cv_openssldir=$ssldir
430                 else
431                         ac_cv_openssldir="no"
432                 fi
433         ])
434         LIBS="$saved_LIBS"
435         LDFLAGS="$saved_LDFLAGS"
436         CFLAGS="$saved_CFLAGS"
437         
438         if test "x$ac_cv_openssldir" != "xno" ; then
439                 AC_DEFINE(HAVE_OPENSSL, [], [Define if you have OpenSSL.])
440                 LIBS="-lssl -lcrypto $LIBS"
441                 dnl Need to recover ssldir - test above runs in subshell
442                 ssldir=$ac_cv_openssldir
443                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr" -a "x$ssldir" != "x(system)"; then
444                         # Try to use $ssldir/lib if it exists, otherwise
445                         # $ssldir
446                         if test -d "$ssldir/lib" ; then
447                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
448                                 if test ! -z "$need_dash_r" ; then
449                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
450                                 fi
451                         else
452                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
453                                 if test ! -z "$need_dash_r" ; then
454                                         LDFLAGS="-R$ssldir $LDFLAGS"
455                                 fi
456                         fi
457                         # Try to use $ssldir/include if it exists, otherwise
458                         # $ssldir
459                         if test -d "$ssldir/include" ; then
460                                 CFLAGS="-I$ssldir/include $saved_CFLAGS"
461                         else
462                                 CFLAGS="-I$ssldir $saved_CFLAGS"
463                         fi
464                 fi
465         fi
466 fi
467
468 if test "x$with_db" != xno; then
469         test "$db_dir" && LDFLAGS="$LDFLAGS -L$db_dir/lib"
470
471         dblib=""
472
473         if test -d "$db_dir/include/db4"; then
474                 CPPFLAGS="$CPPFLAGS -I$db_dir/include/db4"
475                 dblib="db4"
476         elif test "$db_dir"; then
477                 CPPFLAGS="$CPPFLAGS -I$db_dir/include"
478         elif test -d /usr/include/db4; then
479                 CPPFLAGS="$CPPFLAGS -I/usr/include/db4"
480                 dblib="db4"
481         fi
482
483
484         AC_CHECK_DB([db db-4.1 db-4 db4],
485                     [
486                      DATABASE=database_sleepycat.c
487                     ],
488                     AC_MSG_ERROR([[Can not locate a suitable Berkeley DB
489                                   library.  Use --with-db=PATH to specify
490                                   the path]]))
491
492 fi
493
494 dnl Checks for the zlib compression library.
495 if test "x$with_zlib" != xno ; then
496         AC_CHECK_HEADERS(zlib.h,
497                 [AC_CHECK_LIB(z, zlibVersion,
498                         [ok_zlib=yes],,
499         )])
500 fi
501
502 if test "x$ok_zlib" = xyes ; then
503         SERVER_LIBS="-lz $SERVER_LIBS"
504         AC_DEFINE(HAVE_ZLIB, [], [define this if you have zlib compression available])
505 fi
506
507
508
509
510 dnl Checks for the OpenLDAP client library.
511 if test "x$with_ldap" != xno ; then
512         AC_CHECK_HEADERS(ldap.h,
513                 [AC_CHECK_LIB(ldap, ldap_init,
514                         [ok_ldap=yes],,
515         )])
516 fi
517
518 if test "x$ok_ldap" = xyes ; then
519         SERVER_LIBS="-lldap $SERVER_LIBS"
520         AC_DEFINE(HAVE_LDAP, [], [define this if you have OpenLDAP client available])
521 fi
522
523
524
525
526
527 dnl Checks for the libsieve mailbox sorting library.
528 if test "x$with_libsieve" != xno ; then
529         AC_CHECK_HEADERS(sieve2.h,
530                 [AC_CHECK_LIB(sieve, sieve2_license,
531                         [ok_libsieve=yes],,
532         )])
533 fi
534
535 if test "x$ok_libsieve" = xyes ; then
536         SERVER_LIBS="-lsieve $SERVER_LIBS"
537         AC_DEFINE(HAVE_LIBSIEVE, [], [define this if you have the libsieve mailbox filtering library available])
538 fi
539
540
541
542
543 dnl Checks for the libical calendaring library.
544 if test "x$with_libical" != xno ; then
545         AC_CHECK_HEADERS(ical.h,
546                 [AC_CHECK_LIB(ical, icalcomponent_new,
547                         [ok_libical=yes],,
548         )])
549 fi
550
551 if test "x$ok_libical" = xyes ; then
552
553         AC_TRY_RUN(
554                 [
555 #include <ical.h>
556 main() {
557         int major, minor, v;
558         sscanf(ICAL_VERSION, "%d.%d", &major, &minor);
559         v = 100*major + minor;
560         printf("libical version: %i\n", v);
561         if (v >= 24) {
562                 printf("This version is ok.\n");
563                 return(0);
564         }
565         printf("libical 0.24 or newer required.\n");
566         printf("Citadel will be built without calendar support.\n");
567         return(1);
568 }
569                 ], 
570                 [
571                         SERVER_LIBS="-lical $SERVER_LIBS"
572                         AC_DEFINE(HAVE_LIBICAL, [], [define this if you have the libical calendaring library available])
573                 ]
574         )
575 fi
576
577
578
579
580 dnl Checks for header files.
581 AC_HEADER_DIRENT
582 AC_HEADER_STDC
583 AC_HEADER_SYS_WAIT
584
585 dnl
586 dnl TODO: for the DB header checks, we should check whether the headers
587 dnl define db_env_create, somehow
588 dnl
589 AC_CHECK_HEADERS(curses.h dl.h fcntl.h limits.h malloc.h termios.h sys/ioctl.h sys/select.h sys/time.h sys/prctl.h syslog.h unistd.h utmp.h utmpx.h paths.h db.h db4/db.h pthread.h netinet/in.h arpa/nameser.h arpa/nameser_compat.h)
590
591 dnl
592 dnl need to check if this is actually compilable, sometimes there are
593 dnl conflicts with the system's headers (eg solaris xpg4 style headers)
594 dnl
595 if test "x$with_ncurses" != xno; then
596         AC_CHECK_HEADERS(ncurses.h,,,[ ])
597 fi
598
599 AC_CHECK_HEADER(resolv.h,AC_DEFINE(HAVE_RESOLV_H, [], [define this if you have the resolv.h header file.]),,
600 [#ifdef HAVE_SYS_TYPES_H
601 #include <sys/types.h>
602 #endif
603 #ifdef HAVE_NETINET_IN_H
604 #include <netinet/in.h>
605 #endif
606 #ifdef HAVE_ARPA_NAMESER_H
607 #include <arpa/nameser.h>
608 #endif])
609
610
611 dnl Checks for typedefs, structures, and compiler characteristics.
612 AC_C_CONST
613 AC_TYPE_PID_T
614 AC_TYPE_SIZE_T
615 AC_HEADER_TIME
616
617 dnl defined in acinclude.m4:
618 CIT_STRUCT_TM
619
620 AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_ut_type,
621 [AC_TRY_COMPILE([#include <sys/types.h>
622 #include <utmp.h>], [struct utmp ut; ut.ut_type;],
623 ac_cv_struct_ut_type=yes, ac_cv_struct_ut_type=no)])
624 if test $ac_cv_struct_ut_type = yes; then
625         AC_DEFINE(HAVE_UT_TYPE, [], [define this if struct utmp has an ut_type member])
626 fi
627
628 AC_CACHE_CHECK(
629         [for call semantics from getpwuid_r], 
630         ac_cv_call_getpwuid_r,
631         [AC_TRY_COMPILE([#include <sys/types.h>
632 #include <pwd.h>], 
633                          [
634                                 struct passwd pw, *pwp;
635                                 char pwbuf[64];
636                                 uid_t uid;
637
638                                 getpwuid_r(uid, &pw, pwbuf, sizeof(pwbuf), &pwp);
639                         ],
640                         ac_cv_call_getpwuid_r=yes, 
641                         ac_cv_call_getpwuid_r=no)
642         ])
643
644 if test $ac_cv_call_getpwuid_r = no; then
645         AC_DEFINE(SOLARIS_GETPWUID,[],[do we need to use solaris call syntax?])
646         AC_DEFINE(F_UID_T, "%ld", [whats the matching format string for uid_t?])
647         AC_DEFINE(F_PID_T, "%ld",  [whats the matching format string for pid_t?])
648         AC_DEFINE(F_XPID_T, "%lx",  [whats the matching format string for xpid_t?])
649 else
650         AC_DEFINE(F_UID_T, "%d",  [whats the matching format string for uid_t?])
651         AC_DEFINE(F_PID_T, "%d",  [whats the matching format string for pid_t?])
652         AC_DEFINE(F_XPID_T, "%x",  [whats the matching format string for xpid_t?])
653 fi
654
655 dnl AC_CHECK_FUNCS(res_query)
656 AC_CACHE_CHECK([for the resolver calls], 
657                ac_cv_resquery_ok, 
658 [AC_TRY_COMPILE([#include <netinet/in.h>
659 #include <arpa/nameser.h>
660 #include <resolv.h>], 
661                 [
662                         char *domain="www.google.com";
663                         u_char *answer;
664                         int len;
665                         len = res_query( domain, C_IN, T_A, answer, PACKETSZ );
666                 ],
667                 ac_cv_resquery_ok=yes,
668                 ac_cv_resquery_ok=no)
669 ])
670 echo "resquery: $ac_cv_resquery_ok"
671
672 dnl if test "$ac_cv_resquery_ok" = "no" ; then
673 dnl    AC_DEFINE(RES_QUERY_GONE, "#error resquery not here. can't continue.")
674 dnl fi
675
676
677
678 AC_CACHE_CHECK([for ut_host in struct utmp], ac_cv_struct_ut_host,
679 [AC_TRY_COMPILE([#include <sys/types.h>
680 #include <utmp.h>], [struct utmp ut; ut.ut_host;],
681 ac_cv_struct_ut_host=yes, ac_cv_struct_ut_host=no)])
682 if test $ac_cv_struct_ut_host = yes; then
683         AC_DEFINE(HAVE_UT_HOST, [], [define this if struct utmp has an ut_host member])
684 fi
685
686 dnl Checks for library functions.
687 AC_FUNC_GETPGRP
688 AC_PROG_GCC_TRADITIONAL
689 AC_TYPE_SIGNAL
690 AC_FUNC_VPRINTF
691 AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror strcasecmp strncasecmp)
692
693 dnl Now check for pthreads
694
695 dnl On some platforms, AC_CHECK_FUNC[S] doesn't work for pthreads programs;
696 dnl we need to include pthread.h
697
698 AC_CACHE_CHECK([for pthread_cancel], ac_cv_func_pthread_cancel,
699 [AC_TRY_LINK([#include <pthread.h>],
700 [       pthread_t thread;
701
702         /* The GNU C library defines this for functions which it implements
703            to always fail with ENOSYS.  Some functions are actually named
704            something starting with __ and the normal name is an alias.  */
705 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
706         choke me
707 #else
708         pthread_cancel(thread);
709 #endif],
710 ac_cv_func_pthread_cancel=yes, ac_cv_func_pthread_cancel=no)])
711 if test "$ac_cv_func_pthread_cancel" = yes; then
712         AC_DEFINE(HAVE_PTHREAD_CANCEL, [], [define this if you have the pthread_cancel() function])
713 fi
714
715 AC_CACHE_CHECK([for pthread_create], ac_cv_func_pthread_create,
716 [AC_TRY_LINK([#include <pthread.h>],
717 [       /* The GNU C library defines this for functions which it implements
718            to always fail with ENOSYS.  Some functions are actually named
719            something starting with __ and the normal name is an alias.  */
720 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
721         choke me
722 #else
723         pthread_create(NULL, NULL, NULL, NULL);
724 #endif],
725 ac_cv_func_pthread_create=yes, ac_cv_func_pthread_create=no)])
726 if test "$ac_cv_func_pthread_create" = yes; then
727         test "$DATABASE" && TARGETS="client server utils"
728         if test "x$enable_threaded_client" != xno; then
729                 AC_DEFINE(THREADED_CLIENT, [], [define this if you want to enable the multithreaded client])
730         fi
731 fi
732
733 AC_REPLACE_FUNCS(snprintf getutline)
734
735 AC_CACHE_CHECK([the weather], ac_cv_weather, [
736         sleep 1
737         echo $ECHO_N "opening your window... $ECHO_C" >&6
738         sleep 2
739         month=`date | cut -f 2 -d ' '`
740         case $month in
741         Dec | Jan | Feb)
742                 ac_cv_weather="it's cold!"
743                 ;;
744         Mar | Apr)
745                 ac_cv_weather="it's wet!"
746                 ;;
747         Jul | Aug)
748                 ac_cv_weather="it's hot!"
749                 ;;
750         Oct | Nov)
751                 ac_cv_weather="it's cool"
752                 ;;
753         May | Jun | Sep | *)
754                 ac_cv_weather="it's fine"
755                 ;;
756         esac
757         ])
758
759
760
761 AC_CACHE_CHECK([under the bed], ac_cv_under_the_bed, [
762         number=`date | cut -c 19`
763         case $number in
764         7)
765                 ac_cv_under_the_bed="lunatics and monsters found"
766                 ;;
767         *)
768                 ac_cv_under_the_bed="dust bunnies found"
769                 ;;
770         esac
771         ])
772
773 dnl Done! Now write the Makefile and sysdep.h
774 AC_SUBST(AUTH)
775 AC_SUBST(RESOLV)
776 AC_SUBST(chkpwd_LIBS)
777 AC_SUBST(TARGETS)
778 AC_SUBST(DATABASE)
779 AC_SUBST(SERVER_LDFLAGS)
780 AC_SUBST(SERVER_LIBS)
781 AC_SUBST(SETUP_LIBS)
782 AC_CONFIG_HEADER(sysdep.h)
783 AC_CONFIG_FILES([Makefile])
784 AC_OUTPUT(database_cleanup.sh)
785
786 if test -z "$DATABASE"; then
787         AC_MSG_WARN([No database driver was found. Please install Berkeley DB.])
788 fi
789
790 echo ------------------------------------------------------------------------
791 echo 'zlib compression:                ' $ok_zlib
792 echo 'Calendar support:                ' $ok_libical
793 echo 'LDAP support:                    ' $ok_ldap
794 echo 'Sieve mailbox filtering support: ' $ok_libsieve
795 echo 
796 echo 'Note: if you are not using Linux, make sure you are using GNU make'
797 echo '(gmake) to compile Citadel.'
798 echo