8a3d904f7a668e945c0f757f36cd3dd8c3eeb552
[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 dnl missing_dir=`cd $ac_aux_dir && pwd`
293 dnl AC_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
294 dnl AC_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 $LIBS"])
381                 fi
382         fi
383
384 if test "x$with_ncurses" != "xno"; then
385         AC_SEARCH_LIBS(tgetent, [ncurses curses termcap])
386         AC_SEARCH_LIBS(scrollok, [ncurses curses])
387         AC_SEARCH_LIBS(initscr, [ncurses curses])
388 else
389         AC_SEARCH_LIBS(tgetent, [curses termcap])
390         AC_SEARCH_LIBS(initscr, [curses])
391 fi
392 AC_CHECK_FUNCS(vw_printw wcolor_set resizeterm wresize)
393
394 dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
395 dnl which the -pthread flag takes care of this.)
396 if test "$check_pthread" != no; then
397         AC_CHECK_LIB(pthread, pthread_create)
398         AC_CHECK_LIB(pthreads, pthread_create)
399 fi
400
401 test -d /usr/kerberos/include && CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
402
403
404 dnl Check for libcitadel
405 AC_CHECK_HEADER(libcitadel.h,
406         [AC_CHECK_LIB(citadel, libcitadel_version_string,
407                 [
408                         AC_MSG_RESULT(OK)
409                         LIBS="-lcitadel $LIBS"
410                 ],
411                 [
412                         AC_MSG_ERROR(libcitadel was not found or is not usable.  Please install libcitadel.)
413                 ]
414         ,
415         )],
416         [
417                 AC_MSG_ERROR(libcitadel.h was not found or is not usable.  Please install libcitadel.)
418         ]
419 )
420
421
422
423 # The big search for OpenSSL
424 if test "$with_ssl" != "no"; then
425         saved_LIBS="$LIBS"
426         saved_LDFLAGS="$LDFLAGS"
427         saved_CFLAGS="$CFLAGS"
428         if test "x$prefix" != "xNONE"; then
429                 tryssldir="$tryssldir $prefix"
430         fi
431         AC_CACHE_CHECK([for OpenSSL], ac_cv_openssldir, [
432                 for ssldir in $tryssldir "" /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
433                         CFLAGS="$saved_CFLAGS"
434                         LDFLAGS="$saved_LDFLAGS"
435                         LIBS="$saved_LIBS -lssl -lcrypto"
436         
437                         # Skip directories if they don't exist
438                         if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
439                                 continue;
440                         fi
441                         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
442                                 # Try to use $ssldir/lib if it exists, otherwise
443                                 # $ssldir
444                                 if test -d "$ssldir/lib" ; then
445                                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
446                                         if test ! -z "$need_dash_r" ; then
447                                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
448                                         fi
449                                 else
450                                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
451                                         if test ! -z "$need_dash_r" ; then
452                                                 LDFLAGS="-R$ssldir $LDFLAGS"
453                                         fi
454                                 fi
455                                 # Try to use $ssldir/include if it exists, otherwise
456                                 # $ssldir
457                                 if test -d "$ssldir/include" ; then
458                                         CFLAGS="-I$ssldir/include $saved_CFLAGS"
459                                 else
460                                         CFLAGS="-I$ssldir $saved_CFLAGS"
461                                 fi
462                         fi
463         
464                         # Basic test to check for compatible version and correct linking
465                         # *does not* test for RSA - that comes later.
466                         AC_TRY_RUN(
467                                 [
468         #include <string.h>
469         #include <openssl/rand.h>
470         int main(void)
471         {
472                 char a[2048];
473                 memset(a, 0, sizeof(a));
474                 RAND_add(a, sizeof(a), sizeof(a));
475                 return(RAND_status() <= 0);
476         }
477                                 ],
478                                 [
479                                         found_crypto=1
480                                         break;
481                                 ], []
482                         )
483         
484                         if test ! -z "$found_crypto" ; then
485                                 break;
486                         fi
487                 done
488         
489                 if test -z "$ssldir" ; then
490                         ssldir="(system)"
491                 fi
492         
493                 if test ! -z "$found_crypto" ; then
494                         ac_cv_openssldir=$ssldir
495                 else
496                         ac_cv_openssldir="no"
497                 fi
498         ])
499         LIBS="$saved_LIBS"
500         LDFLAGS="$saved_LDFLAGS"
501         CFLAGS="$saved_CFLAGS"
502         
503         if test "x$ac_cv_openssldir" != "xno" ; then
504                 AC_DEFINE(HAVE_OPENSSL, [], [Define if you have OpenSSL.])
505                 LIBS="-lssl -lcrypto $LIBS"
506                 dnl Need to recover ssldir - test above runs in subshell
507                 ssldir=$ac_cv_openssldir
508                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr" -a "x$ssldir" != "x(system)"; then
509                         # Try to use $ssldir/lib if it exists, otherwise
510                         # $ssldir
511                         if test -d "$ssldir/lib" ; then
512                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
513                                 if test ! -z "$need_dash_r" ; then
514                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
515                                 fi
516                         else
517                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
518                                 if test ! -z "$need_dash_r" ; then
519                                         LDFLAGS="-R$ssldir $LDFLAGS"
520                                 fi
521                         fi
522                         # Try to use $ssldir/include if it exists, otherwise
523                         # $ssldir
524                         if test -d "$ssldir/include" ; then
525                                 CFLAGS="-I$ssldir/include $saved_CFLAGS"
526                         else
527                                 CFLAGS="-I$ssldir $saved_CFLAGS"
528                         fi
529                 fi
530         fi
531 fi
532
533 if test "x$with_db" != xno; then
534         test "$db_dir" && LDFLAGS="$LDFLAGS -L$db_dir/lib"
535
536         dblib=""
537
538         if test -d "$db_dir/include/db4"; then
539                 CPPFLAGS="$CPPFLAGS -I$db_dir/include/db4"
540                 dblib="db4"
541         elif test "$db_dir"; then
542                 CPPFLAGS="$CPPFLAGS -I$db_dir/include"
543         elif test -d /usr/include/db4; then
544                 CPPFLAGS="$CPPFLAGS -I/usr/include/db4"
545                 dblib="db4"
546         fi
547
548
549         AC_CHECK_DB([db db-4.1 db-4 db4],
550                     [
551                      DATABASE=database_sleepycat.c
552                     ],
553                     AC_MSG_ERROR([[Can not locate a suitable Berkeley DB
554                                   library.  Use --with-db=PATH to specify
555                                   the path]]))
556
557 fi
558
559 dnl Checks for the zlib compression library.
560 if test "x$with_zlib" != xno ; then
561         AC_CHECK_HEADERS(zlib.h,
562                 [AC_CHECK_LIB(z, zlibVersion,
563                         [ok_zlib=yes],,
564         )])
565 fi
566
567 if test "x$ok_zlib" = xyes ; then
568         SERVER_LIBS="-lz $SERVER_LIBS"
569         AC_DEFINE(HAVE_ZLIB, [], [define this if you have zlib compression available])
570 fi
571
572
573
574
575 dnl Checks for the OpenLDAP client library.
576 if test "x$with_ldap" != xno ; then
577         AC_CHECK_HEADERS(ldap.h,
578                 [AC_CHECK_LIB(ldap, ldap_init,
579                         [ok_ldap=yes],,
580         )])
581 fi
582
583 if test "x$ok_ldap" = xyes ; then
584         SERVER_LIBS="-lldap $SERVER_LIBS"
585         AC_DEFINE(HAVE_LDAP, [], [define this if you have OpenLDAP client available])
586 fi
587
588
589
590
591
592 dnl Checks for the libsieve mailbox sorting library.
593 if test "x$with_libsieve" != xno ; then
594         AC_CHECK_HEADERS(sieve2.h,
595                 [AC_CHECK_LIB(sieve, sieve2_license,
596                         [ok_libsieve=yes],,
597         )])
598 fi
599
600 if test "x$ok_libsieve" = xyes ; then
601         SERVER_LIBS="-lsieve $SERVER_LIBS"
602         AC_DEFINE(HAVE_LIBSIEVE, [], [define this if you have the libsieve mailbox filtering library available])
603 fi
604
605
606 dnl Checks for the libdspam mail spam scanning library.
607 if test "x$with_libdspam" != xno ; then
608         AC_CHECK_HEADERS(dspam/libdspam.h,
609                 [AC_CHECK_LIB(dspam, dspam_init,
610                         [ok_libdspam=yes],,
611         )])
612 fi
613
614 if test "x$ok_libdspam" = xyes ; then
615         SERVER_LIBS="-ldspam $SERVER_LIBS"
616         AC_DEFINE(HAVE_LIBDSPAM, [], [define this if you have the libdspam mail spam scanning library available])
617 fi
618
619
620
621
622 dnl Checks for the Expat XML parser.
623 if test "x$with_expat" != xno ; then
624         AC_CHECK_HEADERS(expat.h,
625                 [AC_CHECK_LIB(expat, XML_ParserCreateNS,
626                         [ok_expat=yes],,
627         )])
628 fi
629
630 if test "x$ok_expat" = xyes ; then
631         SERVER_LIBS="-lexpat $SERVER_LIBS"
632         AC_DEFINE(HAVE_EXPAT, [], [define this if you have the Expat XML parser available])
633 fi
634
635
636
637
638 dnl Checks for the libical calendaring library.
639 if test "x$with_libical" != xno ; then
640         AC_CHECK_HEADERS(ical.h,
641                 [AC_CHECK_LIB(ical, icalcomponent_new,
642                         [ok_libical=yes],,
643         )])
644 fi
645
646 if test "x$ok_libical" = xyes ; then
647
648         AC_TRY_RUN(
649                 [
650 #include <ical.h>
651 main() {
652         int major, minor, v;
653         sscanf(ICAL_VERSION, "%d.%d", &major, &minor);
654         v = 100*major + minor;
655         printf("libical version: %i\n", v);
656         if (v >= 24) {
657                 printf("This version is ok.\n");
658                 return(0);
659         }
660         printf("libical 0.24 or newer required.\n");
661         printf("Citadel will be built without calendar support.\n");
662         return(1);
663 }
664                 ], 
665                 [
666                         SERVER_LIBS="-lical $SERVER_LIBS"
667                         AC_DEFINE(HAVE_LIBICAL, [], [define this if you have the libical calendaring library available])
668                 ]
669         )
670 fi
671
672
673
674
675 dnl Checks for header files.
676 AC_HEADER_DIRENT
677 AC_HEADER_STDC
678 AC_HEADER_SYS_WAIT
679
680 dnl
681 dnl TODO: for the DB header checks, we should check whether the headers
682 dnl define db_env_create, somehow
683 dnl
684 AC_CHECK_HEADERS(curses.h dl.h fcntl.h limits.h malloc.h termios.h sys/ioctl.h sys/select.h sys/stat.h sys/time.h sys/prctl.h syslog.h unistd.h utmp.h utmpx.h paths.h db.h db4/db.h pthread.h netinet/in.h arpa/nameser.h arpa/nameser_compat.h)
685
686 dnl
687 dnl need to check if this is actually compilable, sometimes there are
688 dnl conflicts with the system's headers (eg solaris xpg4 style headers)
689 dnl
690 if test "x$with_ncurses" != xno; then
691         AC_CHECK_HEADERS(ncurses.h,,,[ ])
692 fi
693
694 AC_CHECK_HEADER(resolv.h,AC_DEFINE(HAVE_RESOLV_H, [], [define this if you have the resolv.h header file.]),,
695 [#ifdef HAVE_SYS_TYPES_H
696 #include <sys/types.h>
697 #endif
698 #ifdef HAVE_NETINET_IN_H
699 #include <netinet/in.h>
700 #endif
701 #ifdef HAVE_ARPA_NAMESER_H
702 #include <arpa/nameser.h>
703 #endif])
704
705
706 dnl Checks for typedefs, structures, and compiler characteristics.
707 AC_C_CONST
708 AC_TYPE_PID_T
709 AC_TYPE_SIZE_T
710 AC_HEADER_TIME
711
712 dnl defined in acinclude.m4:
713 CIT_STRUCT_TM
714
715 AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_ut_type,
716 [AC_TRY_COMPILE([#include <sys/types.h>
717 #include <utmp.h>], [struct utmp ut; ut.ut_type;],
718 ac_cv_struct_ut_type=yes, ac_cv_struct_ut_type=no)])
719 if test $ac_cv_struct_ut_type = yes; then
720         AC_DEFINE(HAVE_UT_TYPE, [], [define this if struct utmp has an ut_type member])
721 fi
722
723 AC_CACHE_CHECK(
724         [for call semantics from getpwuid_r], 
725         ac_cv_call_getpwuid_r,
726         [AC_TRY_COMPILE([#include <sys/types.h>
727 #include <pwd.h>], 
728                          [
729                                 struct passwd pw, *pwp;
730                                 char pwbuf[64];
731                                 uid_t uid;
732
733                                 getpwuid_r(uid, &pw, pwbuf, sizeof(pwbuf), &pwp);
734                         ],
735                         ac_cv_call_getpwuid_r=yes, 
736                         ac_cv_call_getpwuid_r=no)
737         ])
738
739 if test $ac_cv_call_getpwuid_r = no; then
740         AC_DEFINE(SOLARIS_GETPWUID,[],[do we need to use solaris call syntax?])
741         AC_DEFINE(F_UID_T, "%ld", [whats the matching format string for uid_t?])
742         AC_DEFINE(F_PID_T, "%ld",  [whats the matching format string for pid_t?])
743         AC_DEFINE(F_XPID_T, "%lx",  [whats the matching format string for xpid_t?])
744 else
745         AC_DEFINE(F_UID_T, "%d",  [whats the matching format string for uid_t?])
746         AC_DEFINE(F_PID_T, "%d",  [whats the matching format string for pid_t?])
747         AC_DEFINE(F_XPID_T, "%x",  [whats the matching format string for xpid_t?])
748 fi
749
750
751 dnl Our own happy little check for the resolver library.
752
753 case "`uname -a`" in 
754  OpenBSD*)
755         echo "we don't need to check for resolv on openbsd"  
756         ;;
757  *)
758         test -f /usr/local/lib/libresolv.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
759         AC_CHECK_LIB(resolv, res_query,
760                 RESOLV="$RESOLV -lresolv",
761                 [dnl Have to include resolv.h as res_query is sometimes defined as a macro
762                         AC_MSG_CHECKING([for res_query in -lresolv (with resolv.h if present)])
763                         saved_libs="$LIBS"
764                         LIBS="-lresolv $LIBS"
765                         AC_TRY_LINK([
766                                 #ifdef HAVE_RESOLV_H
767                                 #include <resolv.h>
768                                 #endif],
769                                 [res_query(0,0,0,0,0)],
770                                 [AC_MSG_RESULT(yes)
771                                                 have_res_query=yes],
772                                 [AC_MSG_RESULT(no)
773                                         AC_MSG_ERROR(libresolv was not found.  Citadel requires the resolver library.)
774                                 ])
775          ]
776         )
777         ;;
778 esac
779
780
781
782 AC_CACHE_CHECK([for ut_host in struct utmp], ac_cv_struct_ut_host,
783 [AC_TRY_COMPILE([#include <sys/types.h>
784 #include <utmp.h>], [struct utmp ut; ut.ut_host;],
785 ac_cv_struct_ut_host=yes, ac_cv_struct_ut_host=no)])
786 if test $ac_cv_struct_ut_host = yes; then
787         AC_DEFINE(HAVE_UT_HOST, [], [define this if struct utmp has an ut_host member])
788 fi
789
790 dnl Checks for library functions.
791 AC_FUNC_GETPGRP
792 AC_PROG_GCC_TRADITIONAL
793 AC_TYPE_SIGNAL
794 AC_FUNC_VPRINTF
795 AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror strcasecmp strncasecmp)
796
797 dnl Now check for pthreads
798
799 dnl On some platforms, AC_CHECK_FUNC[S] doesn't work for pthreads programs;
800 dnl we need to include pthread.h
801
802 AC_CACHE_CHECK([for pthread_cancel], ac_cv_func_pthread_cancel,
803 [AC_TRY_LINK([#include <pthread.h>],
804 [       pthread_t thread;
805
806         /* The GNU C library defines this for functions which it implements
807            to always fail with ENOSYS.  Some functions are actually named
808            something starting with __ and the normal name is an alias.  */
809 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
810         choke me
811 #else
812         pthread_cancel(thread);
813 #endif],
814 ac_cv_func_pthread_cancel=yes, ac_cv_func_pthread_cancel=no)])
815 if test "$ac_cv_func_pthread_cancel" = yes; then
816         AC_DEFINE(HAVE_PTHREAD_CANCEL, [], [define this if you have the pthread_cancel() function])
817 fi
818
819 AC_CACHE_CHECK([for pthread_create], ac_cv_func_pthread_create,
820 [AC_TRY_LINK([#include <pthread.h>],
821 [       /* The GNU C library defines this for functions which it implements
822            to always fail with ENOSYS.  Some functions are actually named
823            something starting with __ and the normal name is an alias.  */
824 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
825         choke me
826 #else
827         pthread_create(NULL, NULL, NULL, NULL);
828 #endif],
829 ac_cv_func_pthread_create=yes, ac_cv_func_pthread_create=no)])
830 if test "$ac_cv_func_pthread_create" = yes; then
831         test "$DATABASE" && TARGETS="client server utils"
832         if test "x$enable_threaded_client" != xno; then
833                 AC_DEFINE(THREADED_CLIENT, [], [define this if you want to enable the multithreaded client])
834         fi
835 fi
836
837 AC_REPLACE_FUNCS(snprintf getutline)
838
839 AC_CACHE_CHECK([the weather], ac_cv_weather, [
840         sleep 1
841         echo $ECHO_N "opening your window... $ECHO_C" >&6
842         sleep 2
843         month=`date | cut -f 2 -d ' '`
844         case $month in
845         Dec | Jan | Feb)
846                 ac_cv_weather="it's cold!"
847                 ;;
848         Mar | Apr)
849                 ac_cv_weather="it's wet!"
850                 ;;
851         Jul | Aug)
852                 ac_cv_weather="it's hot!"
853                 ;;
854         Oct | Nov)
855                 ac_cv_weather="it's cool"
856                 ;;
857         May | Jun | Sep | *)
858                 ac_cv_weather="it's fine"
859                 ;;
860         esac
861         ])
862
863
864
865
866 AC_CACHE_CHECK([under the bed], ac_cv_under_the_bed, [
867         number=`date | cut -c 19`
868         case $number in
869         7)
870                 ac_cv_under_the_bed="lunatics and monsters found"
871                 ;;
872         *)
873                 ac_cv_under_the_bed="dust bunnies found"
874                 ;;
875         esac
876         ])
877
878 dnl Done! Now write the Makefile and sysdep.h
879 AC_SUBST(AUTH)
880 AC_SUBST(RESOLV)
881 AC_SUBST(chkpwd_LIBS)
882 AC_SUBST(TARGETS)
883 AC_SUBST(DATABASE)
884 AC_SUBST(SERVER_LDFLAGS)
885 AC_SUBST(SERVER_LIBS)
886 AC_SUBST(SETUP_LIBS)
887 AC_CONFIG_HEADER(sysdep.h)
888 AC_CONFIG_FILES([Makefile])
889 AC_OUTPUT(database_cleanup.sh)
890
891 if test -z "$DATABASE"; then
892         AC_MSG_WARN([No database driver was found. Please install Berkeley DB.])
893 fi
894
895 echo ------------------------------------------------------------------------
896 echo 'zlib compression:                ' $ok_zlib
897 echo 'Calendar support:                ' $ok_libical
898 echo 'LDAP support:                    ' $ok_ldap
899 echo 'Sieve mailbox filtering support: ' $ok_libsieve
900 echo 'DSpam Scanning support:          ' $ok_libdspam
901 echo 'Expat XML parser present:        ' $ok_expat
902 echo 
903 echo 'Note: if you are not using Linux, make sure you are using GNU make'
904 echo '(gmake) to compile Citadel.'
905 echo