Added a second test for libresolv that takes into
[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 $LIBS"])
381                 fi
382         fi
383
384 case "`uname -a`" in 
385  OpenBSD*)
386         echo "we don't need to check for resolv on openbsd"  
387         ;;
388  *)
389         test -f /usr/local/lib/libresolv.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
390         AC_CHECK_LIB(resolv, res_query,
391                 RESOLV="$RESOLV -lresolv",
392                 [dnl Have to include resolv.h as res_query is sometimes defined as a macro
393                         AC_MSG_CHECKING([for res_query in -lresolv (with resolv.h if present)])
394                         saved_libs="$LIBS"
395                         LIBS="-lresolv $LIBS"
396                         AC_TRY_LINK([
397                                 #ifdef HAVE_RESOLV_H
398                                 #include <resolv.h>
399                                 #endif],
400                                 [res_query(0,0,0,0,0)],
401                                 [AC_MSG_RESULT(yes)
402                                                 have_res_query=yes],
403                                 [AC_MSG_RESULT(no)
404                                         AC_MSG_ERROR(libresolv was not found.  Citadel requires the resolver library.)
405                                 ])
406          ]
407         )
408         ;;
409 esac
410
411 if test "x$with_ncurses" != "xno"; then
412         AC_SEARCH_LIBS(tgetent, [ncurses curses termcap])
413         AC_SEARCH_LIBS(scrollok, [ncurses curses])
414         AC_SEARCH_LIBS(initscr, [ncurses curses])
415 else
416         AC_SEARCH_LIBS(tgetent, [curses termcap])
417         AC_SEARCH_LIBS(initscr, [curses])
418 fi
419 AC_CHECK_FUNCS(vw_printw wcolor_set resizeterm wresize)
420
421 dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
422 dnl which the -pthread flag takes care of this.)
423 if test "$check_pthread" != no; then
424         AC_CHECK_LIB(pthread, pthread_create)
425         AC_CHECK_LIB(pthreads, pthread_create)
426 fi
427
428 test -d /usr/kerberos/include && CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
429
430
431 dnl Check for libcitadel
432 AC_CHECK_HEADER(libcitadel.h,
433         [AC_CHECK_LIB(citadel, libcitadel_version_string,
434                 [
435                         AC_MSG_RESULT(OK)
436                         LIBS="-lcitadel $LIBS"
437                 ],
438                 [
439                         AC_MSG_ERROR(libcitadel was not found or is not usable.  Please install libcitadel.)
440                 ]
441         ,
442         )],
443         [
444                 AC_MSG_ERROR(libcitadel.h was not found or is not usable.  Please install libcitadel.)
445         ]
446 )
447
448
449
450 # The big search for OpenSSL
451 if test "$with_ssl" != "no"; then
452         saved_LIBS="$LIBS"
453         saved_LDFLAGS="$LDFLAGS"
454         saved_CFLAGS="$CFLAGS"
455         if test "x$prefix" != "xNONE"; then
456                 tryssldir="$tryssldir $prefix"
457         fi
458         AC_CACHE_CHECK([for OpenSSL], ac_cv_openssldir, [
459                 for ssldir in $tryssldir "" /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
460                         CFLAGS="$saved_CFLAGS"
461                         LDFLAGS="$saved_LDFLAGS"
462                         LIBS="$saved_LIBS -lssl -lcrypto"
463         
464                         # Skip directories if they don't exist
465                         if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
466                                 continue;
467                         fi
468                         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
469                                 # Try to use $ssldir/lib if it exists, otherwise
470                                 # $ssldir
471                                 if test -d "$ssldir/lib" ; then
472                                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
473                                         if test ! -z "$need_dash_r" ; then
474                                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
475                                         fi
476                                 else
477                                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
478                                         if test ! -z "$need_dash_r" ; then
479                                                 LDFLAGS="-R$ssldir $LDFLAGS"
480                                         fi
481                                 fi
482                                 # Try to use $ssldir/include if it exists, otherwise
483                                 # $ssldir
484                                 if test -d "$ssldir/include" ; then
485                                         CFLAGS="-I$ssldir/include $saved_CFLAGS"
486                                 else
487                                         CFLAGS="-I$ssldir $saved_CFLAGS"
488                                 fi
489                         fi
490         
491                         # Basic test to check for compatible version and correct linking
492                         # *does not* test for RSA - that comes later.
493                         AC_TRY_RUN(
494                                 [
495         #include <string.h>
496         #include <openssl/rand.h>
497         int main(void)
498         {
499                 char a[2048];
500                 memset(a, 0, sizeof(a));
501                 RAND_add(a, sizeof(a), sizeof(a));
502                 return(RAND_status() <= 0);
503         }
504                                 ],
505                                 [
506                                         found_crypto=1
507                                         break;
508                                 ], []
509                         )
510         
511                         if test ! -z "$found_crypto" ; then
512                                 break;
513                         fi
514                 done
515         
516                 if test -z "$ssldir" ; then
517                         ssldir="(system)"
518                 fi
519         
520                 if test ! -z "$found_crypto" ; then
521                         ac_cv_openssldir=$ssldir
522                 else
523                         ac_cv_openssldir="no"
524                 fi
525         ])
526         LIBS="$saved_LIBS"
527         LDFLAGS="$saved_LDFLAGS"
528         CFLAGS="$saved_CFLAGS"
529         
530         if test "x$ac_cv_openssldir" != "xno" ; then
531                 AC_DEFINE(HAVE_OPENSSL, [], [Define if you have OpenSSL.])
532                 LIBS="-lssl -lcrypto $LIBS"
533                 dnl Need to recover ssldir - test above runs in subshell
534                 ssldir=$ac_cv_openssldir
535                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr" -a "x$ssldir" != "x(system)"; then
536                         # Try to use $ssldir/lib if it exists, otherwise
537                         # $ssldir
538                         if test -d "$ssldir/lib" ; then
539                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
540                                 if test ! -z "$need_dash_r" ; then
541                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
542                                 fi
543                         else
544                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
545                                 if test ! -z "$need_dash_r" ; then
546                                         LDFLAGS="-R$ssldir $LDFLAGS"
547                                 fi
548                         fi
549                         # Try to use $ssldir/include if it exists, otherwise
550                         # $ssldir
551                         if test -d "$ssldir/include" ; then
552                                 CFLAGS="-I$ssldir/include $saved_CFLAGS"
553                         else
554                                 CFLAGS="-I$ssldir $saved_CFLAGS"
555                         fi
556                 fi
557         fi
558 fi
559
560 if test "x$with_db" != xno; then
561         test "$db_dir" && LDFLAGS="$LDFLAGS -L$db_dir/lib"
562
563         dblib=""
564
565         if test -d "$db_dir/include/db4"; then
566                 CPPFLAGS="$CPPFLAGS -I$db_dir/include/db4"
567                 dblib="db4"
568         elif test "$db_dir"; then
569                 CPPFLAGS="$CPPFLAGS -I$db_dir/include"
570         elif test -d /usr/include/db4; then
571                 CPPFLAGS="$CPPFLAGS -I/usr/include/db4"
572                 dblib="db4"
573         fi
574
575
576         AC_CHECK_DB([db db-4.1 db-4 db4],
577                     [
578                      DATABASE=database_sleepycat.c
579                     ],
580                     AC_MSG_ERROR([[Can not locate a suitable Berkeley DB
581                                   library.  Use --with-db=PATH to specify
582                                   the path]]))
583
584 fi
585
586 dnl Checks for the zlib compression library.
587 if test "x$with_zlib" != xno ; then
588         AC_CHECK_HEADERS(zlib.h,
589                 [AC_CHECK_LIB(z, zlibVersion,
590                         [ok_zlib=yes],,
591         )])
592 fi
593
594 if test "x$ok_zlib" = xyes ; then
595         SERVER_LIBS="-lz $SERVER_LIBS"
596         AC_DEFINE(HAVE_ZLIB, [], [define this if you have zlib compression available])
597 fi
598
599
600
601
602 dnl Checks for the OpenLDAP client library.
603 if test "x$with_ldap" != xno ; then
604         AC_CHECK_HEADERS(ldap.h,
605                 [AC_CHECK_LIB(ldap, ldap_init,
606                         [ok_ldap=yes],,
607         )])
608 fi
609
610 if test "x$ok_ldap" = xyes ; then
611         SERVER_LIBS="-lldap $SERVER_LIBS"
612         AC_DEFINE(HAVE_LDAP, [], [define this if you have OpenLDAP client available])
613 fi
614
615
616
617
618
619 dnl Checks for the libsieve mailbox sorting library.
620 if test "x$with_libsieve" != xno ; then
621         AC_CHECK_HEADERS(sieve2.h,
622                 [AC_CHECK_LIB(sieve, sieve2_license,
623                         [ok_libsieve=yes],,
624         )])
625 fi
626
627 if test "x$ok_libsieve" = xyes ; then
628         SERVER_LIBS="-lsieve $SERVER_LIBS"
629         AC_DEFINE(HAVE_LIBSIEVE, [], [define this if you have the libsieve mailbox filtering library available])
630 fi
631
632
633 dnl Checks for the libdspam mail spam scanning library.
634 if test "x$with_libdspam" != xno ; then
635         AC_CHECK_HEADERS(dspam/libdspam.h,
636                 [AC_CHECK_LIB(dspam, dspam_init,
637                         [ok_libdspam=yes],,
638         )])
639 fi
640
641 if test "x$ok_libdspam" = xyes ; then
642         SERVER_LIBS="-ldspam $SERVER_LIBS"
643         AC_DEFINE(HAVE_LIBDSPAM, [], [define this if you have the libdspam mail spam scanning library available])
644 fi
645
646
647
648
649 dnl Checks for the Expat XML parser.
650 if test "x$with_expat" != xno ; then
651         AC_CHECK_HEADERS(expat.h,
652                 [AC_CHECK_LIB(expat, XML_ParserCreateNS,
653                         [ok_expat=yes],,
654         )])
655 fi
656
657 if test "x$ok_expat" = xyes ; then
658         SERVER_LIBS="-lexpat $SERVER_LIBS"
659         AC_DEFINE(HAVE_EXPAT, [], [define this if you have the Expat XML parser available])
660 fi
661
662
663
664
665 dnl Checks for the libical calendaring library.
666 if test "x$with_libical" != xno ; then
667         AC_CHECK_HEADERS(ical.h,
668                 [AC_CHECK_LIB(ical, icalcomponent_new,
669                         [ok_libical=yes],,
670         )])
671 fi
672
673 if test "x$ok_libical" = xyes ; then
674
675         AC_TRY_RUN(
676                 [
677 #include <ical.h>
678 main() {
679         int major, minor, v;
680         sscanf(ICAL_VERSION, "%d.%d", &major, &minor);
681         v = 100*major + minor;
682         printf("libical version: %i\n", v);
683         if (v >= 24) {
684                 printf("This version is ok.\n");
685                 return(0);
686         }
687         printf("libical 0.24 or newer required.\n");
688         printf("Citadel will be built without calendar support.\n");
689         return(1);
690 }
691                 ], 
692                 [
693                         SERVER_LIBS="-lical $SERVER_LIBS"
694                         AC_DEFINE(HAVE_LIBICAL, [], [define this if you have the libical calendaring library available])
695                 ]
696         )
697 fi
698
699
700
701
702 dnl Checks for header files.
703 AC_HEADER_DIRENT
704 AC_HEADER_STDC
705 AC_HEADER_SYS_WAIT
706
707 dnl
708 dnl TODO: for the DB header checks, we should check whether the headers
709 dnl define db_env_create, somehow
710 dnl
711 AC_CHECK_HEADERS(curses.h dl.h fcntl.h limits.h malloc.h termios.h sys/ioctl.h sys/select.h sys/stat.h sys/time.h sys/prctl.h syslog.h unistd.h utmp.h utmpx.h paths.h db.h db4/db.h pthread.h netinet/in.h arpa/nameser.h arpa/nameser_compat.h)
712
713 dnl
714 dnl need to check if this is actually compilable, sometimes there are
715 dnl conflicts with the system's headers (eg solaris xpg4 style headers)
716 dnl
717 if test "x$with_ncurses" != xno; then
718         AC_CHECK_HEADERS(ncurses.h,,,[ ])
719 fi
720
721 AC_CHECK_HEADER(resolv.h,AC_DEFINE(HAVE_RESOLV_H, [], [define this if you have the resolv.h header file.]),,
722 [#ifdef HAVE_SYS_TYPES_H
723 #include <sys/types.h>
724 #endif
725 #ifdef HAVE_NETINET_IN_H
726 #include <netinet/in.h>
727 #endif
728 #ifdef HAVE_ARPA_NAMESER_H
729 #include <arpa/nameser.h>
730 #endif])
731
732
733 dnl Checks for typedefs, structures, and compiler characteristics.
734 AC_C_CONST
735 AC_TYPE_PID_T
736 AC_TYPE_SIZE_T
737 AC_HEADER_TIME
738
739 dnl defined in acinclude.m4:
740 CIT_STRUCT_TM
741
742 AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_ut_type,
743 [AC_TRY_COMPILE([#include <sys/types.h>
744 #include <utmp.h>], [struct utmp ut; ut.ut_type;],
745 ac_cv_struct_ut_type=yes, ac_cv_struct_ut_type=no)])
746 if test $ac_cv_struct_ut_type = yes; then
747         AC_DEFINE(HAVE_UT_TYPE, [], [define this if struct utmp has an ut_type member])
748 fi
749
750 AC_CACHE_CHECK(
751         [for call semantics from getpwuid_r], 
752         ac_cv_call_getpwuid_r,
753         [AC_TRY_COMPILE([#include <sys/types.h>
754 #include <pwd.h>], 
755                          [
756                                 struct passwd pw, *pwp;
757                                 char pwbuf[64];
758                                 uid_t uid;
759
760                                 getpwuid_r(uid, &pw, pwbuf, sizeof(pwbuf), &pwp);
761                         ],
762                         ac_cv_call_getpwuid_r=yes, 
763                         ac_cv_call_getpwuid_r=no)
764         ])
765
766 if test $ac_cv_call_getpwuid_r = no; then
767         AC_DEFINE(SOLARIS_GETPWUID,[],[do we need to use solaris call syntax?])
768         AC_DEFINE(F_UID_T, "%ld", [whats the matching format string for uid_t?])
769         AC_DEFINE(F_PID_T, "%ld",  [whats the matching format string for pid_t?])
770         AC_DEFINE(F_XPID_T, "%lx",  [whats the matching format string for xpid_t?])
771 else
772         AC_DEFINE(F_UID_T, "%d",  [whats the matching format string for uid_t?])
773         AC_DEFINE(F_PID_T, "%d",  [whats the matching format string for pid_t?])
774         AC_DEFINE(F_XPID_T, "%x",  [whats the matching format string for xpid_t?])
775 fi
776
777 dnl AC_CHECK_FUNCS(res_query)
778 AC_CACHE_CHECK([for the resolver calls], 
779                ac_cv_resquery_ok, 
780 [AC_TRY_COMPILE([#include <netinet/in.h>
781 #include <sys/types.h>
782 #include <arpa/nameser.h>
783 #include <resolv.h>], 
784                 [
785                         char *domain="www.google.com";
786                         u_char *answer;
787                         int len;
788                         len = res_query( domain, C_IN, T_A, answer, PACKETSZ );
789                 ],
790                 ac_cv_resquery_ok=yes,
791                 ac_cv_resquery_ok=no)
792 ])
793 echo "resquery: $ac_cv_resquery_ok"
794
795 dnl if test "$ac_cv_resquery_ok" = "no" ; then
796 dnl    AC_DEFINE(RES_QUERY_GONE, "#error resquery not here. can't continue.")
797 dnl fi
798
799
800
801 AC_CACHE_CHECK([for ut_host in struct utmp], ac_cv_struct_ut_host,
802 [AC_TRY_COMPILE([#include <sys/types.h>
803 #include <utmp.h>], [struct utmp ut; ut.ut_host;],
804 ac_cv_struct_ut_host=yes, ac_cv_struct_ut_host=no)])
805 if test $ac_cv_struct_ut_host = yes; then
806         AC_DEFINE(HAVE_UT_HOST, [], [define this if struct utmp has an ut_host member])
807 fi
808
809 dnl Checks for library functions.
810 AC_FUNC_GETPGRP
811 AC_PROG_GCC_TRADITIONAL
812 AC_TYPE_SIGNAL
813 AC_FUNC_VPRINTF
814 AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror strcasecmp strncasecmp)
815
816 dnl Now check for pthreads
817
818 dnl On some platforms, AC_CHECK_FUNC[S] doesn't work for pthreads programs;
819 dnl we need to include pthread.h
820
821 AC_CACHE_CHECK([for pthread_cancel], ac_cv_func_pthread_cancel,
822 [AC_TRY_LINK([#include <pthread.h>],
823 [       pthread_t thread;
824
825         /* The GNU C library defines this for functions which it implements
826            to always fail with ENOSYS.  Some functions are actually named
827            something starting with __ and the normal name is an alias.  */
828 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
829         choke me
830 #else
831         pthread_cancel(thread);
832 #endif],
833 ac_cv_func_pthread_cancel=yes, ac_cv_func_pthread_cancel=no)])
834 if test "$ac_cv_func_pthread_cancel" = yes; then
835         AC_DEFINE(HAVE_PTHREAD_CANCEL, [], [define this if you have the pthread_cancel() function])
836 fi
837
838 AC_CACHE_CHECK([for pthread_create], ac_cv_func_pthread_create,
839 [AC_TRY_LINK([#include <pthread.h>],
840 [       /* The GNU C library defines this for functions which it implements
841            to always fail with ENOSYS.  Some functions are actually named
842            something starting with __ and the normal name is an alias.  */
843 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
844         choke me
845 #else
846         pthread_create(NULL, NULL, NULL, NULL);
847 #endif],
848 ac_cv_func_pthread_create=yes, ac_cv_func_pthread_create=no)])
849 if test "$ac_cv_func_pthread_create" = yes; then
850         test "$DATABASE" && TARGETS="client server utils"
851         if test "x$enable_threaded_client" != xno; then
852                 AC_DEFINE(THREADED_CLIENT, [], [define this if you want to enable the multithreaded client])
853         fi
854 fi
855
856 AC_REPLACE_FUNCS(snprintf getutline)
857
858 AC_CACHE_CHECK([the weather], ac_cv_weather, [
859         sleep 1
860         echo $ECHO_N "opening your window... $ECHO_C" >&6
861         sleep 2
862         month=`date | cut -f 2 -d ' '`
863         case $month in
864         Dec | Jan | Feb)
865                 ac_cv_weather="it's cold!"
866                 ;;
867         Mar | Apr)
868                 ac_cv_weather="it's wet!"
869                 ;;
870         Jul | Aug)
871                 ac_cv_weather="it's hot!"
872                 ;;
873         Oct | Nov)
874                 ac_cv_weather="it's cool"
875                 ;;
876         May | Jun | Sep | *)
877                 ac_cv_weather="it's fine"
878                 ;;
879         esac
880         ])
881
882
883
884
885 AC_CACHE_CHECK([under the bed], ac_cv_under_the_bed, [
886         number=`date | cut -c 19`
887         case $number in
888         7)
889                 ac_cv_under_the_bed="lunatics and monsters found"
890                 ;;
891         *)
892                 ac_cv_under_the_bed="dust bunnies found"
893                 ;;
894         esac
895         ])
896
897 dnl Done! Now write the Makefile and sysdep.h
898 AC_SUBST(AUTH)
899 AC_SUBST(RESOLV)
900 AC_SUBST(chkpwd_LIBS)
901 AC_SUBST(TARGETS)
902 AC_SUBST(DATABASE)
903 AC_SUBST(SERVER_LDFLAGS)
904 AC_SUBST(SERVER_LIBS)
905 AC_SUBST(SETUP_LIBS)
906 AC_CONFIG_HEADER(sysdep.h)
907 AC_CONFIG_FILES([Makefile])
908 AC_OUTPUT(database_cleanup.sh)
909
910 if test -z "$DATABASE"; then
911         AC_MSG_WARN([No database driver was found. Please install Berkeley DB.])
912 fi
913
914 echo ------------------------------------------------------------------------
915 echo 'zlib compression:                ' $ok_zlib
916 echo 'Calendar support:                ' $ok_libical
917 echo 'LDAP support:                    ' $ok_ldap
918 echo 'Sieve mailbox filtering support: ' $ok_libsieve
919 echo 'DSpam Scanning support:          ' $ok_libdspam
920 echo 'Expat XML parser present:        ' $ok_expat
921 echo 
922 echo 'Note: if you are not using Linux, make sure you are using GNU make'
923 echo '(gmake) to compile Citadel.'
924 echo