* openbsd doesn't like pam. so... if we don't have the calls don't use 'em
[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], [7.24], [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=$withval
127                                         AC_SUBST(MAKE_DOC_DIR)
128                           fi
129                         ]
130 )
131
132
133
134 AC_ARG_ENABLE(threaded-client, [  --disable-threaded-client
135                           disable multithreaded client])
136
137 AC_ARG_ENABLE(pie, [  --enable-pie            build position-independent executables])
138
139 AC_ARG_WITH(pam, [  --with-pam              use PAM if present (see PAM.txt before you try this)])
140 AC_ARG_WITH(kthread, [  --with-kthread          use kernel threads (on FreeBSD) (not recommended yet)])
141 AC_ARG_WITH(db, [  --with-db@<:@=DIR@:>@         use Sleepycat DB 3.x @<:@DIR=/usr/local/BerkeleyDB.3.@<:@123@:>@@:>@])
142 AC_ARG_WITH(ssl,
143         [  --with-ssl=PATH         Specify path to OpenSSL installation ],
144         [
145                 if test "x$withval" != "xno" ; then
146                         tryssldir=$withval
147                 fi
148         ]
149 )
150 AC_ARG_WITH(ncurses, [  --without-ncurses       don't use ncurses])
151
152 AC_ARG_WITH(with_zlib, [  --with-zlib             use zlib compression if present])
153 AC_ARG_WITH(with_ldap, [  --with-ldap             use OpenLDAP client library])
154 AC_ARG_WITH(with_libical, [  --with-libical          use libical calendaring library])
155 AC_ARG_WITH(with_libsieve, [  --with-libsieve         use libsieve mail sorting library])
156 AC_ARG_WITH(with_libdspam, [  --with-libdspam         use libdspam mail spam scanning library])
157 AC_ARG_WITH(with_expat, [  --with-expat            use Expat XML parser])
158
159 if test "x$with_db" != xno -a "x$with_db" != xyes -a "$with_db"; then
160         db_dir="$with_db"
161         with_db=yes
162 else
163         test -f /usr/local/lib/libdb.a -o -f /usr/local/lib/libdb.so \
164           -o -f /usr/local/lib/libdb4.a -o -f /usr/local/lib/libdb4.so \
165           && db_dir=/usr/local
166
167         test -d /usr/local/BerkeleyDB.4.1 && db_dir=/usr/local/BerkeleyDB.4.1
168         test -d /usr/local/BerkeleyDB.4.2 && db_dir=/usr/local/BerkeleyDB.4.2
169         test -d /usr/local/BerkeleyDB.4.3 && db_dir=/usr/local/BerkeleyDB.4.3
170         test -d /usr/local/BerkeleyDB.4.4 && db_dir=/usr/local/BerkeleyDB.4.4
171         test -d /usr/local/BerkeleyDB.4.5 && db_dir=/usr/local/BerkeleyDB.4.5
172 fi
173
174 dnl By default, we only build the client (citadel and whobbs) unless we can
175 dnl figure out how to build with POSIX threads.
176 TARGETS=client
177
178 AC_CANONICAL_HOST
179 PTHREAD_DEFS=-D_REENTRANT
180 AC_MSG_CHECKING([how to compile with POSIX threads])
181 case "$host" in
182         dnl BSDI 3.0 wants relocatable object modules instead of shared libs
183         dnl for dlopen(), and has a wrapper script to link with shared libs.
184         dnl Also has stupid non-reentrant gethostbyaddr() and friends.
185         *-*-bsdi[123]*)
186                 test -z "$CC" -a -x /usr/bin/shlicc2 && CC=shlicc2
187                 AC_DEFINE(HAVE_NONREENTRANT_NETDB,[], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
188                 AC_MSG_RESULT([Old BSDI])
189         ;;
190         *-*-bsdi*)
191                 AC_DEFINE(HAVE_NONREENTRANT_NETDB, [], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
192                 AC_MSG_RESULT([BSD/OS])
193         ;;
194         dnl Curses support on Mac OS X is kind of screwed at the moment.
195         dnl TCP buffering isn't ideal under OS X. This define should also be
196         dnl checked in other cases of OS X-Linux differences.
197         *-*-darwin*)
198                 AC_DEFINE(DISABLE_CURSES,[],[define this to disable use of curses])
199                 AC_DEFINE(HAVE_DARWIN, [], [define if using OS X/Darwin])
200                 AC_MSG_RESULT([Mac OS X])
201         ;;
202         dnl Digital Unix has an odd way to build for pthreads, and we can't
203         dnl build pthreads programs with gcc due to header problems.
204         alpha*-dec-osf*)
205                 test -z "$CC" && CC=cc
206                 LIBS="-lpthread -lexc $LIBS"
207                 check_pthread=no
208                 AC_MSG_RESULT([Tru64 or Digital UNIX])
209         ;;
210         dnl FreeBSD is similar to Digital UNIX with DEC C, which has a -pthread flag:
211         *-*-freebsd*)
212                 if test "$with_kthread" = yes; then
213                         LIBS="-kthread $LIBS"
214                 else
215                         LIBS="-pthread $LIBS"
216                 fi
217                 check_pthread=no
218                 PTHREAD_DEFS=-D_THREAD_SAFE
219                 AC_MSG_RESULT([FreeBSD])
220         ;;
221         *-*-openbsd*)
222                 LIBS="-pthread $LIBS"
223                 check_pthread=no
224                 PTHREAD_DEFS=-pthread
225                 AC_MSG_RESULT([OpenBSD])
226         ;;
227         *-*-linux*)
228                 PTHREAD_DEFS="-D_REENTRANT -pthread"
229                 AC_MSG_RESULT([Linux])
230         ;;
231         *-*-solaris*)
232                 PTHREAD_DEFS="-D_REENTRANT -D_PTHREADS"
233                 AC_MSG_RESULT([Solaris])
234         ;;
235         *-*-cygwin*)
236                 SERVER_LDFLAGS="-Wl,-subsystem,windows"
237                 AC_MSG_RESULT([Cygwin])
238         ;;
239         *)
240                 AC_MSG_RESULT([default])
241         ;;
242 esac
243 dnl DEFS="$DEFS $PTHREAD_DEFS"
244
245
246 dnl Checks for programs.
247 AC_PROG_CC
248
249
250
251 dnl Set up system-dependent compiler flags.
252 if test "$GCC" = yes; then
253         if test "$CC" = icc; then
254                 CFLAGS="$CFLAGS -w1"
255         else
256                 case "$host" in
257                         *-*-solaris*|alpha*-dec-osf*)
258                                 CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wno-char-subscripts $PTHREAD_DEFS"
259                         ;;
260                         *)
261                         CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wstrict-prototypes $PTHREAD_DEFS"
262                         ;;
263                 esac
264         fi
265 fi
266
267 if test "x$enable_pie" = xyes; then
268         save_CFLAGS="$CFLAGS"
269         save_LDFLAGS="$LDFLAGS"
270         CFLAGS="$CFLAGS -fpie"
271         LDFLAGS="$LDFLAGS -pie -fpie"
272         AC_CACHE_CHECK([whether compiler accepts -pie -fpie], ac_cv_pie_fpie,
273         [AC_TRY_LINK([], [],
274         ac_cv_pie_fpie=yes, ac_cv_pie_fpie=no)])
275         if test $ac_cv_pie_fpie = no; then
276                 CFLAGS="$save_CFLAGS"
277                 LDFLAGS="$save_LDFLAGS"
278         fi
279 fi
280
281 AC_MSG_CHECKING([how to create dependancy checks])
282                  if test -n "`$CC -V 2>&1 |grep Sun`"; then 
283                         DEPEND_FLAG=-xM;
284                  else 
285                         DEPEND_FLAG=-M
286                  fi
287 AC_SUBST(DEPEND_FLAG)
288
289
290 AC_PROG_INSTALL
291 AC_PROG_YACC
292 missing_dir=`cd $ac_aux_dir && pwd`
293 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
294 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
295
296 dnl Checks for system services.
297
298 dnl Check the size of various builtin types; see typesize.h (error)
299 AC_CHECK_SIZEOF(char, 0)
300 AC_CHECK_SIZEOF(short, 0)
301 AC_CHECK_SIZEOF(int, 0)
302 AC_CHECK_SIZEOF(long, 0)
303 AC_CHECK_SIZEOF(size_t, 0)
304 dnl AC_CHECK_SIZEOF(long long, 0)
305
306 dnl Checks for libraries.
307
308 dnl We want to test for the following in libc before checking for their
309 dnl respective libraries, because some systems (like Irix) have both, and the
310 dnl non-libc versions may be broken.
311 AC_CHECK_FUNCS(crypt gethostbyname connect flock getpwnam_r getpwuid_r)
312
313
314 dnl disable backtrace if we don't want it.
315 AC_ARG_WITH(backtrace, 
316                     [  --with-backtrace          enable backtrace dumps in the syslog],
317                         [ if test "x$withval" != "xno" ; then
318                              CFLAGS="$CFLAGS  -rdynamic "
319                              LDFLAGS="$LDFLAGS  -rdynamic "
320                              SERVER_LDFLAGS="$SERVER_LDFLAGS  -rdynamic "
321                              AC_CHECK_FUNCS(backtrace)
322                           fi
323                         ]
324 )
325
326 dnl disable backtrace if we don't want it.
327 AC_ARG_WITH(gprof, 
328                     [  --with-gprof          enable profiling],
329                         [ if test "x$withval" != "xno" ; then
330                              CFLAGS="$CFLAGS  -pg "
331                              LDFLAGS="$LDFLAGS  -pg "
332                              SERVER_LDFLAGS="$SERVER_LDFLAGS  -pg "
333                           fi
334                         ]
335 )
336
337 dnl disable thread table reporting
338 AC_ARG_WITH(threadlog,
339                 [ --with-threadlog      enable logging of thread table],
340                         [ if test "x$withval" != "xno" ; then
341                                 AC_DEFINE(WITH_THREADLOG, [], [Define if you want logging of the thread tables.])
342                           fi
343                         ]
344 )
345
346
347 if test "$ac_cv_func_gethostbyname" = no; then
348         AC_CHECK_LIB(nsl, gethostbyname)
349 fi
350
351 if test "$ac_cv_func_connect" = no; then
352         AC_CHECK_LIB(socket, connect)
353 fi
354
355 dnl Check for Solaris realtime support
356 AC_CHECK_LIB(rt, sched_yield)
357
358 dnl Determine the system's authentication capabilities.
359 dnl We currently support PAM, standard getpwnam(), and getspnam()
360 dnl (Linux shadow passwords)
361
362         if test "$with_pam" = yes; then
363                 save_LIBS=$LIBS
364                 AC_CHECK_LIB(pam, pam_start, [chkpwd_LIBS="-lpam $chkpwd_LIBS"
365                         LIBS="-lpam $LIBS"])
366                 AC_CHECK_FUNCS(pam_start)
367                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
368         fi
369         if test "$ac_cv_func_pam_start" = no -o "$with_pam" != yes; then
370                 save_LIBS=$LIBS
371                 AC_SEARCH_LIBS(getspnam, shadow, [
372                         if test "$ac_cv_search_getspnam" = -lshadow; then
373                                 chkpwd_LIBS="-lshadow $chkpwd_LIBS"
374                         fi])
375                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
376                 if test "$ac_cv_func_crypt" = no; then
377                         AC_CHECK_LIB(crypt, crypt, [
378                                 chkpwd_LIBS="-lcrypt $chkpwd_LIBS"
379                                 test "$enable_chkpwd" = no && \
380                                         LIBS="-lcrypt $LIBS"])
381                 fi
382         fi
383
384 test -f /usr/local/lib/libresolv.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
385 AC_CHECK_LIB(resolv, res_query,
386         RESOLV="$RESOLV -lresolv",
387         [
388                 AC_MSG_ERROR(libresolv was not found.  Citadel requires the resolver library.)
389         ]
390 )
391
392 if test "x$with_ncurses" != "xno"; then
393         AC_SEARCH_LIBS(tgetent, [ncurses curses termcap])
394         AC_SEARCH_LIBS(scrollok, [ncurses curses])
395         AC_SEARCH_LIBS(initscr, [ncurses curses])
396 else
397         AC_SEARCH_LIBS(tgetent, [curses termcap])
398         AC_SEARCH_LIBS(initscr, [curses])
399 fi
400 AC_CHECK_FUNCS(vw_printw wcolor_set resizeterm wresize)
401
402 dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
403 dnl which the -pthread flag takes care of this.)
404 if test "$check_pthread" != no; then
405         AC_CHECK_LIB(pthread, pthread_create)
406         AC_CHECK_LIB(pthreads, pthread_create)
407 fi
408
409 test -d /usr/kerberos/include && CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
410
411
412 dnl Check for libcitadel
413 AC_CHECK_HEADER(libcitadel.h,
414         [AC_CHECK_LIB(citadel, libcitadel_version_string,
415                 [
416                         AC_MSG_RESULT(OK)
417                         LIBS="-lcitadel $LIBS"
418                 ],
419                 [
420                         AC_MSG_ERROR(libcitadel was not found or is not usable.  Please install libcitadel.)
421                 ]
422         ,
423         )],
424         [
425                 AC_MSG_ERROR(libcitadel.h was not found or is not usable.  Please install libcitadel.)
426         ]
427 )
428
429
430
431 # The big search for OpenSSL
432 if test "$with_ssl" != "no"; then
433         saved_LIBS="$LIBS"
434         saved_LDFLAGS="$LDFLAGS"
435         saved_CFLAGS="$CFLAGS"
436         if test "x$prefix" != "xNONE"; then
437                 tryssldir="$tryssldir $prefix"
438         fi
439         AC_CACHE_CHECK([for OpenSSL], ac_cv_openssldir, [
440                 for ssldir in $tryssldir "" /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
441                         CFLAGS="$saved_CFLAGS"
442                         LDFLAGS="$saved_LDFLAGS"
443                         LIBS="$saved_LIBS -lssl -lcrypto"
444         
445                         # Skip directories if they don't exist
446                         if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
447                                 continue;
448                         fi
449                         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
450                                 # Try to use $ssldir/lib if it exists, otherwise
451                                 # $ssldir
452                                 if test -d "$ssldir/lib" ; then
453                                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
454                                         if test ! -z "$need_dash_r" ; then
455                                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
456                                         fi
457                                 else
458                                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
459                                         if test ! -z "$need_dash_r" ; then
460                                                 LDFLAGS="-R$ssldir $LDFLAGS"
461                                         fi
462                                 fi
463                                 # Try to use $ssldir/include if it exists, otherwise
464                                 # $ssldir
465                                 if test -d "$ssldir/include" ; then
466                                         CFLAGS="-I$ssldir/include $saved_CFLAGS"
467                                 else
468                                         CFLAGS="-I$ssldir $saved_CFLAGS"
469                                 fi
470                         fi
471         
472                         # Basic test to check for compatible version and correct linking
473                         # *does not* test for RSA - that comes later.
474                         AC_TRY_RUN(
475                                 [
476         #include <string.h>
477         #include <openssl/rand.h>
478         int main(void)
479         {
480                 char a[2048];
481                 memset(a, 0, sizeof(a));
482                 RAND_add(a, sizeof(a), sizeof(a));
483                 return(RAND_status() <= 0);
484         }
485                                 ],
486                                 [
487                                         found_crypto=1
488                                         break;
489                                 ], []
490                         )
491         
492                         if test ! -z "$found_crypto" ; then
493                                 break;
494                         fi
495                 done
496         
497                 if test -z "$ssldir" ; then
498                         ssldir="(system)"
499                 fi
500         
501                 if test ! -z "$found_crypto" ; then
502                         ac_cv_openssldir=$ssldir
503                 else
504                         ac_cv_openssldir="no"
505                 fi
506         ])
507         LIBS="$saved_LIBS"
508         LDFLAGS="$saved_LDFLAGS"
509         CFLAGS="$saved_CFLAGS"
510         
511         if test "x$ac_cv_openssldir" != "xno" ; then
512                 AC_DEFINE(HAVE_OPENSSL, [], [Define if you have OpenSSL.])
513                 LIBS="-lssl -lcrypto $LIBS"
514                 dnl Need to recover ssldir - test above runs in subshell
515                 ssldir=$ac_cv_openssldir
516                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr" -a "x$ssldir" != "x(system)"; then
517                         # Try to use $ssldir/lib if it exists, otherwise
518                         # $ssldir
519                         if test -d "$ssldir/lib" ; then
520                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
521                                 if test ! -z "$need_dash_r" ; then
522                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
523                                 fi
524                         else
525                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
526                                 if test ! -z "$need_dash_r" ; then
527                                         LDFLAGS="-R$ssldir $LDFLAGS"
528                                 fi
529                         fi
530                         # Try to use $ssldir/include if it exists, otherwise
531                         # $ssldir
532                         if test -d "$ssldir/include" ; then
533                                 CFLAGS="-I$ssldir/include $saved_CFLAGS"
534                         else
535                                 CFLAGS="-I$ssldir $saved_CFLAGS"
536                         fi
537                 fi
538         fi
539 fi
540
541 if test "x$with_db" != xno; then
542         test "$db_dir" && LDFLAGS="$LDFLAGS -L$db_dir/lib"
543
544         dblib=""
545
546         if test -d "$db_dir/include/db4"; then
547                 CPPFLAGS="$CPPFLAGS -I$db_dir/include/db4"
548                 dblib="db4"
549         elif test "$db_dir"; then
550                 CPPFLAGS="$CPPFLAGS -I$db_dir/include"
551         elif test -d /usr/include/db4; then
552                 CPPFLAGS="$CPPFLAGS -I/usr/include/db4"
553                 dblib="db4"
554         fi
555
556
557         AC_CHECK_DB([db db-4.1 db-4 db4],
558                     [
559                      DATABASE=database_sleepycat.c
560                     ],
561                     AC_MSG_ERROR([[Can not locate a suitable Berkeley DB
562                                   library.  Use --with-db=PATH to specify
563                                   the path]]))
564
565 fi
566
567 dnl Checks for the zlib compression library.
568 if test "x$with_zlib" != xno ; then
569         AC_CHECK_HEADERS(zlib.h,
570                 [AC_CHECK_LIB(z, zlibVersion,
571                         [ok_zlib=yes],,
572         )])
573 fi
574
575 if test "x$ok_zlib" = xyes ; then
576         SERVER_LIBS="-lz $SERVER_LIBS"
577         AC_DEFINE(HAVE_ZLIB, [], [define this if you have zlib compression available])
578 fi
579
580
581
582
583 dnl Checks for the OpenLDAP client library.
584 if test "x$with_ldap" != xno ; then
585         AC_CHECK_HEADERS(ldap.h,
586                 [AC_CHECK_LIB(ldap, ldap_init,
587                         [ok_ldap=yes],,
588         )])
589 fi
590
591 if test "x$ok_ldap" = xyes ; then
592         SERVER_LIBS="-lldap $SERVER_LIBS"
593         AC_DEFINE(HAVE_LDAP, [], [define this if you have OpenLDAP client available])
594 fi
595
596
597
598
599
600 dnl Checks for the libsieve mailbox sorting library.
601 if test "x$with_libsieve" != xno ; then
602         AC_CHECK_HEADERS(sieve2.h,
603                 [AC_CHECK_LIB(sieve, sieve2_license,
604                         [ok_libsieve=yes],,
605         )])
606 fi
607
608 if test "x$ok_libsieve" = xyes ; then
609         SERVER_LIBS="-lsieve $SERVER_LIBS"
610         AC_DEFINE(HAVE_LIBSIEVE, [], [define this if you have the libsieve mailbox filtering library available])
611 fi
612
613
614 dnl Checks for the libdspam mail spam scanning library.
615 if test "x$with_libdspam" != xno ; then
616         AC_CHECK_HEADERS(dspam/libdspam.h,
617                 [AC_CHECK_LIB(dspam, dspam_init,
618                         [ok_libdspam=yes],,
619         )])
620 fi
621
622 if test "x$ok_libdspam" = xyes ; then
623         SERVER_LIBS="-ldspam $SERVER_LIBS"
624         AC_DEFINE(HAVE_LIBDSPAM, [], [define this if you have the libdspam mail spam scanning library available])
625 fi
626
627
628
629
630 dnl Checks for the Expat XML parser.
631 if test "x$with_expat" != xno ; then
632         AC_CHECK_HEADERS(expat.h,
633                 [AC_CHECK_LIB(expat, XML_ParserCreateNS,
634                         [ok_expat=yes],,
635         )])
636 fi
637
638 if test "x$ok_expat" = xyes ; then
639         SERVER_LIBS="-lexpat $SERVER_LIBS"
640         AC_DEFINE(HAVE_EXPAT, [], [define this if you have the Expat XML parser available])
641 fi
642
643
644
645
646 dnl Checks for the libical calendaring library.
647 if test "x$with_libical" != xno ; then
648         AC_CHECK_HEADERS(ical.h,
649                 [AC_CHECK_LIB(ical, icalcomponent_new,
650                         [ok_libical=yes],,
651         )])
652 fi
653
654 if test "x$ok_libical" = xyes ; then
655
656         AC_TRY_RUN(
657                 [
658 #include <ical.h>
659 main() {
660         int major, minor, v;
661         sscanf(ICAL_VERSION, "%d.%d", &major, &minor);
662         v = 100*major + minor;
663         printf("libical version: %i\n", v);
664         if (v >= 24) {
665                 printf("This version is ok.\n");
666                 return(0);
667         }
668         printf("libical 0.24 or newer required.\n");
669         printf("Citadel will be built without calendar support.\n");
670         return(1);
671 }
672                 ], 
673                 [
674                         SERVER_LIBS="-lical $SERVER_LIBS"
675                         AC_DEFINE(HAVE_LIBICAL, [], [define this if you have the libical calendaring library available])
676                 ]
677         )
678 fi
679
680
681
682
683 dnl Checks for header files.
684 AC_HEADER_DIRENT
685 AC_HEADER_STDC
686 AC_HEADER_SYS_WAIT
687
688 dnl
689 dnl TODO: for the DB header checks, we should check whether the headers
690 dnl define db_env_create, somehow
691 dnl
692 AC_CHECK_HEADERS(curses.h dl.h fcntl.h limits.h malloc.h termios.h sys/ioctl.h sys/select.h sys/stat.h sys/time.h sys/prctl.h syslog.h unistd.h utmp.h utmpx.h paths.h db.h db4/db.h pthread.h netinet/in.h arpa/nameser.h arpa/nameser_compat.h)
693
694 dnl
695 dnl need to check if this is actually compilable, sometimes there are
696 dnl conflicts with the system's headers (eg solaris xpg4 style headers)
697 dnl
698 if test "x$with_ncurses" != xno; then
699         AC_CHECK_HEADERS(ncurses.h,,,[ ])
700 fi
701
702 AC_CHECK_HEADER(resolv.h,AC_DEFINE(HAVE_RESOLV_H, [], [define this if you have the resolv.h header file.]),,
703 [#ifdef HAVE_SYS_TYPES_H
704 #include <sys/types.h>
705 #endif
706 #ifdef HAVE_NETINET_IN_H
707 #include <netinet/in.h>
708 #endif
709 #ifdef HAVE_ARPA_NAMESER_H
710 #include <arpa/nameser.h>
711 #endif])
712
713
714 dnl Checks for typedefs, structures, and compiler characteristics.
715 AC_C_CONST
716 AC_TYPE_PID_T
717 AC_TYPE_SIZE_T
718 AC_HEADER_TIME
719
720 dnl defined in acinclude.m4:
721 CIT_STRUCT_TM
722
723 AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_ut_type,
724 [AC_TRY_COMPILE([#include <sys/types.h>
725 #include <utmp.h>], [struct utmp ut; ut.ut_type;],
726 ac_cv_struct_ut_type=yes, ac_cv_struct_ut_type=no)])
727 if test $ac_cv_struct_ut_type = yes; then
728         AC_DEFINE(HAVE_UT_TYPE, [], [define this if struct utmp has an ut_type member])
729 fi
730
731 AC_CACHE_CHECK(
732         [for call semantics from getpwuid_r], 
733         ac_cv_call_getpwuid_r,
734         [AC_TRY_COMPILE([#include <sys/types.h>
735 #include <pwd.h>], 
736                          [
737                                 struct passwd pw, *pwp;
738                                 char pwbuf[64];
739                                 uid_t uid;
740
741                                 getpwuid_r(uid, &pw, pwbuf, sizeof(pwbuf), &pwp);
742                         ],
743                         ac_cv_call_getpwuid_r=yes, 
744                         ac_cv_call_getpwuid_r=no)
745         ])
746
747 if test $ac_cv_call_getpwuid_r = no; then
748         AC_DEFINE(SOLARIS_GETPWUID,[],[do we need to use solaris call syntax?])
749         AC_DEFINE(F_UID_T, "%ld", [whats the matching format string for uid_t?])
750         AC_DEFINE(F_PID_T, "%ld",  [whats the matching format string for pid_t?])
751         AC_DEFINE(F_XPID_T, "%lx",  [whats the matching format string for xpid_t?])
752 else
753         AC_DEFINE(F_UID_T, "%d",  [whats the matching format string for uid_t?])
754         AC_DEFINE(F_PID_T, "%d",  [whats the matching format string for pid_t?])
755         AC_DEFINE(F_XPID_T, "%x",  [whats the matching format string for xpid_t?])
756 fi
757
758 dnl AC_CHECK_FUNCS(res_query)
759 AC_CACHE_CHECK([for the resolver calls], 
760                ac_cv_resquery_ok, 
761 [AC_TRY_COMPILE([#include <netinet/in.h>
762 #include <arpa/nameser.h>
763 #include <resolv.h>], 
764                 [
765                         char *domain="www.google.com";
766                         u_char *answer;
767                         int len;
768                         len = res_query( domain, C_IN, T_A, answer, PACKETSZ );
769                 ],
770                 ac_cv_resquery_ok=yes,
771                 ac_cv_resquery_ok=no)
772 ])
773 echo "resquery: $ac_cv_resquery_ok"
774
775 dnl if test "$ac_cv_resquery_ok" = "no" ; then
776 dnl    AC_DEFINE(RES_QUERY_GONE, "#error resquery not here. can't continue.")
777 dnl fi
778
779
780
781 AC_CACHE_CHECK([for ut_host in struct utmp], ac_cv_struct_ut_host,
782 [AC_TRY_COMPILE([#include <sys/types.h>
783 #include <utmp.h>], [struct utmp ut; ut.ut_host;],
784 ac_cv_struct_ut_host=yes, ac_cv_struct_ut_host=no)])
785 if test $ac_cv_struct_ut_host = yes; then
786         AC_DEFINE(HAVE_UT_HOST, [], [define this if struct utmp has an ut_host member])
787 fi
788
789 dnl Checks for library functions.
790 AC_FUNC_GETPGRP
791 AC_PROG_GCC_TRADITIONAL
792 AC_TYPE_SIGNAL
793 AC_FUNC_VPRINTF
794 AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror strcasecmp strncasecmp)
795
796 dnl Now check for pthreads
797
798 dnl On some platforms, AC_CHECK_FUNC[S] doesn't work for pthreads programs;
799 dnl we need to include pthread.h
800
801 AC_CACHE_CHECK([for pthread_cancel], ac_cv_func_pthread_cancel,
802 [AC_TRY_LINK([#include <pthread.h>],
803 [       pthread_t thread;
804
805         /* The GNU C library defines this for functions which it implements
806            to always fail with ENOSYS.  Some functions are actually named
807            something starting with __ and the normal name is an alias.  */
808 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
809         choke me
810 #else
811         pthread_cancel(thread);
812 #endif],
813 ac_cv_func_pthread_cancel=yes, ac_cv_func_pthread_cancel=no)])
814 if test "$ac_cv_func_pthread_cancel" = yes; then
815         AC_DEFINE(HAVE_PTHREAD_CANCEL, [], [define this if you have the pthread_cancel() function])
816 fi
817
818 AC_CACHE_CHECK([for pthread_create], ac_cv_func_pthread_create,
819 [AC_TRY_LINK([#include <pthread.h>],
820 [       /* The GNU C library defines this for functions which it implements
821            to always fail with ENOSYS.  Some functions are actually named
822            something starting with __ and the normal name is an alias.  */
823 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
824         choke me
825 #else
826         pthread_create(NULL, NULL, NULL, NULL);
827 #endif],
828 ac_cv_func_pthread_create=yes, ac_cv_func_pthread_create=no)])
829 if test "$ac_cv_func_pthread_create" = yes; then
830         test "$DATABASE" && TARGETS="client server utils"
831         if test "x$enable_threaded_client" != xno; then
832                 AC_DEFINE(THREADED_CLIENT, [], [define this if you want to enable the multithreaded client])
833         fi
834 fi
835
836 AC_REPLACE_FUNCS(snprintf getutline)
837
838 AC_CACHE_CHECK([the weather], ac_cv_weather, [
839         sleep 1
840         echo $ECHO_N "opening your window... $ECHO_C" >&6
841         sleep 2
842         month=`date | cut -f 2 -d ' '`
843         case $month in
844         Dec | Jan | Feb)
845                 ac_cv_weather="it's cold!"
846                 ;;
847         Mar | Apr)
848                 ac_cv_weather="it's wet!"
849                 ;;
850         Jul | Aug)
851                 ac_cv_weather="it's hot!"
852                 ;;
853         Oct | Nov)
854                 ac_cv_weather="it's cool"
855                 ;;
856         May | Jun | Sep | *)
857                 ac_cv_weather="it's fine"
858                 ;;
859         esac
860         ])
861
862
863
864
865 AC_CACHE_CHECK([under the bed], ac_cv_under_the_bed, [
866         number=`date | cut -c 19`
867         case $number in
868         7)
869                 ac_cv_under_the_bed="lunatics and monsters found"
870                 ;;
871         *)
872                 ac_cv_under_the_bed="dust bunnies found"
873                 ;;
874         esac
875         ])
876
877 dnl Done! Now write the Makefile and sysdep.h
878 AC_SUBST(AUTH)
879 AC_SUBST(RESOLV)
880 AC_SUBST(chkpwd_LIBS)
881 AC_SUBST(TARGETS)
882 AC_SUBST(DATABASE)
883 AC_SUBST(SERVER_LDFLAGS)
884 AC_SUBST(SERVER_LIBS)
885 AC_SUBST(SETUP_LIBS)
886 AC_CONFIG_HEADER(sysdep.h)
887 AC_CONFIG_FILES([Makefile])
888 AC_OUTPUT(database_cleanup.sh)
889
890 if test -z "$DATABASE"; then
891         AC_MSG_WARN([No database driver was found. Please install Berkeley DB.])
892 fi
893
894 echo ------------------------------------------------------------------------
895 echo 'zlib compression:                ' $ok_zlib
896 echo 'Calendar support:                ' $ok_libical
897 echo 'LDAP support:                    ' $ok_ldap
898 echo 'Sieve mailbox filtering support: ' $ok_libsieve
899 echo 'DSpam Scanning support:          ' $ok_libdspam
900 echo 'Expat XML parser present:        ' $ok_expat
901 echo 
902 echo 'Note: if you are not using Linux, make sure you are using GNU make'
903 echo '(gmake) to compile Citadel.'
904 echo