* Version numbers of everything 7.63
[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], [7.63], [http://www.citadel.org/])
5 AC_REVISION([$Revision: 5108 $])
6 AC_CONFIG_SRCDIR([citserver.c])
7 AC_CONFIG_HEADER(sysdep.h)
8 AC_CONFIG_MACRO_DIR([m4])
9 AC_PREFIX_DEFAULT(/usr/local/citadel)
10 if test "$prefix" = NONE; then
11         AC_DEFINE_UNQUOTED(CTDLDIR, "$ac_default_prefix", [define this to the Citadel home directory])
12         ssl_dir="$ac_default_prefix/keys"
13 else
14         AC_DEFINE_UNQUOTED(CTDLDIR, "$prefix", [define this to the Citadel home directory])
15         ssl_dir="$prefix/keys"
16 fi
17
18 dnl Make sure we see all GNU and Solaris extensions.
19 AC_GNU_SOURCE
20
21
22 dnl Checks for the Datadir
23 AC_ARG_WITH(datadir, 
24                     [  --with-datadir          directory to store the databases under],
25                         [ if test "x$withval" != "xno" ; then
26                                               AC_DEFINE(HAVE_DATA_DIR,[],[use alternate database location?])
27                                               AC_DEFINE_UNQUOTED(DATA_DIR, "$withval",[define, if the user suplied a data-directory to use.])
28                                               MAKE_DATA_DIR=$withval
29                                               AC_SUBST(MAKE_DATA_DIR)
30                           fi
31                         ]
32 )
33
34
35 dnl Checks for the helpDatadir
36 AC_ARG_WITH(helpdir, 
37                     [  --with-helpdir          directory to store the helpfiles under],
38                         [ if test "x$withval" != "xno" ; then
39                                               AC_DEFINE(HAVE_HELP_DIR,[],[use alternate database location?])
40                                               AC_DEFINE_UNQUOTED(HELP_DIR, "$withval",[define, if the user suplied a helpfile-directory to use.])
41                                               MAKE_HELP_DIR=$withval
42                                               AC_SUBST(MAKE_HELP_DIR)
43                           fi
44                         ]
45 )
46
47 dnl Checks for the Static Datadir
48 AC_ARG_WITH(staticdatadir, 
49                     [  --with-staticdatadir    directory to store citadels system messages under],
50                         [ if test "x$withval" != "xno" ; then
51                                                   AC_DEFINE(HAVE_STATICDATA_DIR, [], [should we activate an alternate static text location?])
52                                                   AC_DEFINE_UNQUOTED(STATICDATA_DIR, "$withval", [where do we put our static text data?])
53                                                   MAKE_STATICDATA_DIR=$withval
54                                                   AC_SUBST(MAKE_STATICDATA_DIR)
55                           fi
56                         ]
57 )
58
59
60 dnl Checks for the SSLdir
61 dnl this is a bit different than the rest, 
62 dnl because of the citadel used to have a keys/ subdir.
63 AC_ARG_WITH(ssldir, 
64                     [  --with-ssldir           directory to store the ssl certificates under],
65                         [ if test "x$withval" != "xno" ; then
66                                               
67                                                   ssl_dir="$withval"
68                           fi
69                         AC_SUBST(MAKE_SSL_DIR)
70                         ]
71 )
72 AC_DEFINE_UNQUOTED(SSL_DIR, "$ssl_dir", [were should we put our keys?])
73
74
75 dnl Checks for the spooldir
76 AC_ARG_WITH(spooldir, 
77                         [  --with-spooldir         directory to keep queues under],
78                         [ if test "x$withval" != "xno" ; then
79                                                 AC_DEFINE(HAVE_SPOOL_DIR, [], [enable alternate spool dir?])
80                                                 AC_DEFINE_UNQUOTED(SPOOL_DIR,"$withval", [where do we place our spool dirs?])
81                                                 MAKE_SPOOL_DIR=$withval
82                                                 AC_SUBST(MAKE_SPOOL_DIR)
83                            fi
84                         ]
85 )
86
87
88 dnl Checks for the Configdir
89 AC_ARG_WITH(sysconfdir, 
90                         [  --with-sysconfdir       directory to store the configs under],
91                         [ if test "x$withval" != "xno" ; then
92                                             AC_DEFINE(HAVE_ETC_DIR, [], [should we search our system config in an alternate place?])
93                                                 AC_DEFINE_UNQUOTED(ETC_DIR, "$withval", [where to search our config files])
94                                                 MAKE_ETC_DIR=$withval
95                                                 AC_SUBST(MAKE_ETC_DIR)
96                           fi
97                         ]
98 )
99
100 dnl Checks for the Configdir
101 AC_ARG_WITH(autosysconfdir, 
102                         [  --with-autosysconfdir         directory to store the automaticaly maintained configs under],
103                         [ if test "x$withval" != "xno" ; then
104                                             AC_DEFINE(HAVE_AUTO_ETC_DIR, [], [should we search our automatic config in an alternate place?])
105                                                 AC_DEFINE_UNQUOTED(AUTO_ETC_DIR, "$withval", [where to search our automatic config files])
106                                                 MAKE_AUTO_ETC_DIR=$withval
107                                                 AC_SUBST(MAKE_AUTO_ETC_DIR)
108                           fi
109                         ]
110 )
111
112 dnl Checks for where to put our utilities
113 AC_ARG_WITH(utility-bindir, 
114                         [  --with-utility-bindir   directory where to find helper binaries],
115                         [ if test "x$withval" != "xno" ; then
116                                             AC_DEFINE(HAVE_UTILBIN_DIR,[],[should we put our helper binaries to another location?])
117                                                 AC_DEFINE_UNQUOTED(UTILBIN_DIR, "$withval", [were to put our helper programs])
118                                                 MAKE_UTILBIN_DIR=$withval
119                                                 AC_SUBST(MAKE_UTILBIN_DIR)
120                           fi
121                         ]
122 )
123
124
125 dnl Checks for the run-dir for the sockets
126 AC_ARG_WITH(rundir, 
127                         [  --with-rundir           directory to place runtime files (UDS) to?],
128                         [ if test "x$withval" != "xno" ; then
129                                             AC_DEFINE(HAVE_RUN_DIR, [], [should we put our non volatile files elsewhere?])
130                                                 AC_DEFINE_UNQUOTED(RUN_DIR, "$withval", [define, where the config should go in unix style])
131                                                 MAKE_RUN_DIR=$withval
132                                                 AC_SUBST(MAKE_RUN_DIR)
133                           fi
134                         ]
135 )
136
137
138 dnl Checks for the Pseudo Random Generator sockets TODO: this keeps being default.
139 AC_DEFINE_UNQUOTED(EGD_POOL, "/var/run/egd-pool", [place to keep our pseudo random generator file])
140 AC_ARG_WITH(egdpool, 
141                         [  --with-egdpool          the socket from Pseudo Random Generator, defaults to /var/run/egd-pool],
142                         [ if test "x$withval" != "xno" ; then
143                                                 AC_DEFINE_UNQUOTED(EGD_POOL, "$withval", [the socket from Pseudo Random Generator])
144                           fi
145                         ]
146 )
147
148
149 AC_ARG_WITH(docdir,
150                         [  --with-docdir           where to install the documentation. default: /usr/local/citadel/],
151                         [ if test "x$withval" != "xno" ; then
152                                         MAKE_DOC_DIR=$withval
153                                         AC_SUBST(MAKE_DOC_DIR)
154                           fi
155                         ]
156 )
157
158
159 dnl Checks for the zlib compression library.
160 if test "x$with_zlib" != xno ; then
161        AC_CHECK_HEADERS(zlib.h,
162                [AC_CHECK_LIB(z, zlibVersion,
163                        [ok_zlib=yes],,
164        )])
165 fi
166
167 if test "x$ok_zlib" = xyes ; then
168 dnl  libcitadel will bring libz, so we don't need it here.     LDFLAGS="-lz $LDFLAGS" 
169        AC_DEFINE(HAVE_ZLIB, [], [define this if you have zlib compression available])
170 fi
171
172
173
174
175 dnl Here is the check for a libc integrated iconv
176 AC_ARG_ENABLE(iconv,
177         [  --disable-iconv         do not use iconv charset conversion],
178         ok_iconv=no, ok_iconv=yes)
179
180 AC_MSG_CHECKING(Checking to see if your system supports iconv)
181 AC_TRY_RUN([
182         #include <iconv.h>
183         main() {
184                 iconv_t ic = (iconv_t)(-1) ;
185                 ic = iconv_open("UTF-8", "us-ascii");
186                 iconv_close(ic);
187                 exit(0);
188         }
189  ],
190                 [
191                   ok_iconv=yes
192                   AC_MSG_RESULT([yes])
193                 ],
194                 [ 
195                   ok_iconv=no
196                   AC_MSG_RESULT([no])
197                 ]
198 )
199
200 dnl Check for iconv in external libiconv
201 if test "$ok_iconv" = no; then
202         AC_MSG_CHECKING(Checking for an external libiconv)
203         OLD_LDFLAGS="$LDFLAGS"
204         LDFLAGS="$LDFLAGS -liconv"
205         AC_TRY_RUN([
206                         #include <iconv.h>
207                         main() {
208                                 iconv_t ic = (iconv_t)(-1) ;
209                                 ic = iconv_open("UTF-8", "us-ascii");
210                                 iconv_close(ic);
211                         }
212                 ],
213                         [
214                           ok_iconv=yes
215                           AC_MSG_RESULT([yes])
216                         ],
217                         [ 
218                           ok_iconv=no
219                           LDFLAGS="$OLD_LDFLAGS"
220                           AC_MSG_RESULT([no])
221                         ]
222                 )
223 fi      
224 if test "$ok_iconv" != "no"; then
225         AC_MSG_RESULT(Citadel will be built with character set conversion.)
226         AC_DEFINE(HAVE_ICONV,[],[whether we have iconv for charset conversion])
227 else
228         AC_MSG_RESULT(Citadel will be built without character set conversion.)
229 fi
230
231 AC_CHECK_LIB(intl, libintl_bindtextdomain, [LDFLAGS="$LDFLAGS -lintl"])
232
233
234
235 AC_ARG_ENABLE(threaded-client, [  --disable-threaded-client
236                           disable multithreaded client])
237
238 AC_ARG_ENABLE(pie, [  --enable-pie            build position-independent executables])
239
240 AC_ARG_WITH(pam, [  --with-pam              use PAM if present (see PAM.txt before you try this)])
241 AC_ARG_WITH(kthread, [  --with-kthread          use kernel threads (on FreeBSD) (not recommended yet)])
242 AC_ARG_WITH(db, [  --with-db@<:@=DIR@:>@         use Berkeley DB 3.x @<:@DIR=/usr/local/BerkeleyDB.3.@<:@123@:>@@:>@])
243 AC_ARG_WITH(ssl,
244         [  --with-ssl=PATH         Specify path to OpenSSL installation ],
245         [
246                 if test "x$withval" != "xno" ; then
247                         tryssldir=$withval
248                 fi
249         ]
250 )
251 AC_ARG_WITH(ncurses, [  --without-ncurses       don't use ncurses])
252
253 AC_ARG_WITH(with_ldap, [  --with-ldap             use OpenLDAP client library])
254 AC_ARG_WITH(with_libdspam, [  --with-libdspam         use libdspam mail spam scanning library])
255
256 if test "x$with_db" != xno -a "x$with_db" != xyes -a "$with_db"; then
257         db_dir="$with_db"
258         with_db=yes
259 else
260         test -f /usr/local/lib/libdb.a -o -f /usr/local/lib/libdb.so \
261           -o -f /usr/local/lib/libdb4.a -o -f /usr/local/lib/libdb4.so \
262           && db_dir=/usr/local
263
264         test -d /usr/local/BerkeleyDB.4.1 && db_dir=/usr/local/BerkeleyDB.4.1
265         test -d /usr/local/BerkeleyDB.4.2 && db_dir=/usr/local/BerkeleyDB.4.2
266         test -d /usr/local/BerkeleyDB.4.3 && db_dir=/usr/local/BerkeleyDB.4.3
267         test -d /usr/local/BerkeleyDB.4.4 && db_dir=/usr/local/BerkeleyDB.4.4
268         test -d /usr/local/BerkeleyDB.4.5 && db_dir=/usr/local/BerkeleyDB.4.5
269 fi
270
271 dnl By default, we only build the client (citadel and whobbs) unless we can
272 dnl figure out how to build with POSIX threads.
273 TARGETS=client
274
275 AC_CANONICAL_HOST
276 PTHREAD_DEFS=-D_REENTRANT
277 AC_MSG_CHECKING([how to compile with POSIX threads])
278 case "$host" in
279         dnl BSDI 3.0 wants relocatable object modules instead of shared libs
280         dnl for dlopen(), and has a wrapper script to link with shared libs.
281         dnl Also has stupid non-reentrant gethostbyaddr() and friends.
282         *-*-bsdi[123]*)
283                 test -z "$CC" -a -x /usr/bin/shlicc2 && CC=shlicc2
284                 AC_DEFINE(HAVE_NONREENTRANT_NETDB,[], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
285                 AC_MSG_RESULT([Old BSDI])
286         ;;
287         *-*-bsdi*)
288                 AC_DEFINE(HAVE_NONREENTRANT_NETDB, [], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
289                 AC_MSG_RESULT([BSD/OS])
290         ;;
291         dnl Curses support on Mac OS X is kind of screwed at the moment.
292         dnl TCP buffering isn't ideal under OS X. This define should also be
293         dnl checked in other cases of OS X-Linux differences.
294         *-*-darwin*)
295                 AC_DEFINE(DISABLE_CURSES,[],[define this to disable use of curses])
296                 AC_DEFINE(HAVE_DARWIN, [], [define if using OS X/Darwin])
297                 AC_MSG_RESULT([Mac OS X])
298         ;;
299         dnl Digital Unix has an odd way to build for pthreads, and we can't
300         dnl build pthreads programs with gcc due to header problems.
301         alpha*-dec-osf*)
302                 test -z "$CC" && CC=cc
303                 LIBS="-lpthread -lexc $LIBS"
304                 check_pthread=no
305                 AC_MSG_RESULT([Tru64 or Digital UNIX])
306         ;;
307         dnl FreeBSD is similar to Digital UNIX with DEC C, which has a -pthread flag:
308         *-*-freebsd*)
309                 if test "$with_kthread" = yes; then
310                         LIBS="-kthread $LIBS"
311                 else
312                         LIBS="-pthread $LIBS"
313                 fi
314                 check_pthread=no
315                 PTHREAD_DEFS=-D_THREAD_SAFE
316                 AC_MSG_RESULT([FreeBSD])
317         ;;
318         *-*-openbsd*)
319                 LIBS="-pthread $LIBS"
320                 check_pthread=no
321                 PTHREAD_DEFS=-pthread
322                 AC_MSG_RESULT([OpenBSD])
323         ;;
324         *-*-linux*)
325                 PTHREAD_DEFS="-D_REENTRANT -pthread"
326                 AC_MSG_RESULT([Linux])
327         ;;
328         *-*-solaris*)
329                 PTHREAD_DEFS="-D_REENTRANT -D_PTHREADS"
330                 AC_MSG_RESULT([Solaris])
331         ;;
332         *-*-cygwin*)
333                 SERVER_LDFLAGS="-Wl,-subsystem,windows"
334                 AC_MSG_RESULT([Cygwin])
335         ;;
336         *)
337                 AC_MSG_RESULT([default])
338         ;;
339 esac
340 dnl DEFS="$DEFS $PTHREAD_DEFS"
341
342
343 dnl Checks for programs.
344 AC_PROG_CC
345
346
347
348 dnl Set up system-dependent compiler flags.
349 if test "$GCC" = yes; then
350         if test "$CC" = icc; then
351                 CFLAGS="$CFLAGS -w1"
352         else
353                 case "$host" in
354                         *-*-solaris*|alpha*-dec-osf*)
355                                 CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wno-char-subscripts $PTHREAD_DEFS"
356                         ;;
357                         *)
358                         CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wstrict-prototypes $PTHREAD_DEFS"
359                         ;;
360                 esac
361         fi
362 fi
363
364 if test "x$enable_pie" = xyes; then
365         save_CFLAGS="$CFLAGS"
366         save_LDFLAGS="$LDFLAGS"
367         CFLAGS="$CFLAGS -fpie"
368         LDFLAGS="$LDFLAGS -pie -fpie"
369         AC_CACHE_CHECK([whether compiler accepts -pie -fpie], ac_cv_pie_fpie,
370         [AC_TRY_LINK([], [],
371         ac_cv_pie_fpie=yes, ac_cv_pie_fpie=no)])
372         if test $ac_cv_pie_fpie = no; then
373                 CFLAGS="$save_CFLAGS"
374                 LDFLAGS="$save_LDFLAGS"
375         fi
376 fi
377
378 AC_MSG_CHECKING([how to create dependancy checks])
379                  if test -n "`$CC -V 2>&1 |grep Sun`"; then 
380                         DEPEND_FLAG=-xM;
381                  else 
382                         DEPEND_FLAG=-M
383                  fi
384 AC_SUBST(DEPEND_FLAG)
385
386
387 AC_PROG_INSTALL
388 AC_PROG_YACC
389 missing_dir=`cd $ac_aux_dir && pwd`
390 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
391 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
392
393 dnl Checks for system services.
394
395 dnl Check the size of various builtin types; see typesize.h (error)
396 AC_CHECK_SIZEOF(char, 0)
397 AC_CHECK_SIZEOF(short, 0)
398 AC_CHECK_SIZEOF(int, 0)
399 AC_CHECK_SIZEOF(long, 0)
400 AC_CHECK_SIZEOF(size_t, 0)
401 dnl AC_CHECK_SIZEOF(long long, 0)
402
403 dnl Checks for libraries.
404
405 dnl We want to test for the following in libc before checking for their
406 dnl respective libraries, because some systems (like Irix) have both, and the
407 dnl non-libc versions may be broken.
408 AC_CHECK_FUNCS(crypt gethostbyname connect flock getpwnam_r getpwuid_r)
409
410
411 dnl disable backtrace if we don't want it.
412 AC_ARG_WITH(backtrace, 
413                     [  --with-backtrace        enable backtrace dumps in the syslog],
414                         [ if test "x$withval" != "xno" ; then
415                              CFLAGS="$CFLAGS  -rdynamic "
416                              LDFLAGS="$LDFLAGS  -rdynamic "
417                              SERVER_LDFLAGS="$SERVER_LDFLAGS  -rdynamic "
418                              AC_CHECK_FUNCS(backtrace)
419                           fi
420                         ]
421 )
422
423 dnl disable backtrace if we don't want it.
424 AC_ARG_WITH(gprof, 
425                     [  --with-gprof            enable profiling],
426                         [ if test "x$withval" != "xno" ; then
427                              CFLAGS="$CFLAGS  -pg "
428                              LDFLAGS="$LDFLAGS  -pg "
429                              SERVER_LDFLAGS="$SERVER_LDFLAGS  -pg "
430                           fi
431                         ]
432 )
433
434 dnl disable thread table reporting
435 AC_ARG_WITH(threadlog,
436                 [  --with-threadlog        enable logging of thread table],
437                         [ if test "x$withval" != "xno" ; then
438                                 AC_DEFINE(WITH_THREADLOG, [], [Define if you want logging of the thread tables.])
439                           fi
440                         ]
441 )
442
443
444 if test "$ac_cv_func_gethostbyname" = no; then
445         AC_CHECK_LIB(nsl, gethostbyname)
446 fi
447
448 if test "$ac_cv_func_connect" = no; then
449         AC_CHECK_LIB(socket, connect)
450 fi
451
452 dnl Check for Solaris realtime support
453 AC_CHECK_LIB(rt, sched_yield)
454
455 dnl Determine the system's authentication capabilities.
456 dnl We currently support PAM, standard getpwnam(), and getspnam()
457 dnl (Linux shadow passwords)
458
459         if test "$with_pam" = yes; then
460                 save_LIBS=$LIBS
461                 AC_CHECK_LIB(pam, pam_start, [chkpwd_LIBS="-lpam $chkpwd_LIBS"
462                         LIBS="-lpam $LIBS"])
463                 AC_CHECK_FUNCS(pam_start)
464                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
465         fi
466         if test "$ac_cv_func_pam_start" = no -o "$with_pam" != yes; then
467                 save_LIBS=$LIBS
468                 AC_SEARCH_LIBS(getspnam, shadow, [
469                         if test "$ac_cv_search_getspnam" = -lshadow; then
470                                 chkpwd_LIBS="-lshadow $chkpwd_LIBS"
471                         fi])
472                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
473                 if test "$ac_cv_func_crypt" = no; then
474                         AC_CHECK_LIB(crypt, crypt, [
475                                 chkpwd_LIBS="-lcrypt $chkpwd_LIBS"
476                                 test "$enable_chkpwd" = no && \
477                                         LIBS="-lcrypt $LIBS"])
478                 fi
479         fi
480
481 if test "x$with_ncurses" != "xno"; then
482         AC_SEARCH_LIBS(tgetent, [ncurses curses termcap])
483         AC_SEARCH_LIBS(scrollok, [ncurses curses])
484         AC_SEARCH_LIBS(initscr, [ncurses curses])
485 else
486         AC_SEARCH_LIBS(tgetent, [curses termcap])
487         AC_SEARCH_LIBS(initscr, [curses])
488 fi
489 AC_CHECK_FUNCS(vw_printw wcolor_set resizeterm wresize)
490
491 dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
492 dnl which the -pthread flag takes care of this.)
493 if test "$check_pthread" != no; then
494         AC_CHECK_LIB(pthread, pthread_create)
495         AC_CHECK_LIB(pthreads, pthread_create)
496 fi
497
498 test -d /usr/kerberos/include && CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
499
500 dnl Checks for the libical iCalendar library.
501 AC_CHECK_HEADER(libical/ical.h,
502         [AC_CHECK_LIB(ical, icaltimezone_set_tzid_prefix,
503                 [
504                         SERVER_LIBS="-lical $SERVER_LIBS"
505                 ],
506                 [
507                         AC_MSG_ERROR(libical was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
508                 ]
509         ,
510         )],
511         [
512                 AC_MSG_ERROR(libical/ical.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
513         ]
514 )
515
516
517 dnl Checks for the libsieve mailbox sorting library.
518 AC_CHECK_HEADER(sieve2.h,
519         [AC_CHECK_LIB(sieve, sieve2_license,
520                 [
521                         SERVER_LIBS="-lsieve $SERVER_LIBS"
522                 ],
523                 [
524                         AC_MSG_ERROR(libsieve was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
525                 ]
526         ,
527         )],
528         [
529                 AC_MSG_ERROR(sieve2.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
530         ]
531 )
532
533 saved_CFLAGS="$CFLAGS"
534 CFLAGS="$CFLAGS $SERVER_LIBS"
535 dnl Check for libcitadel
536 AC_CHECK_HEADER(libcitadel.h,
537         [AC_CHECK_LIB(citadel, libcitadel_version_string,
538                 [
539                         LIBS="-lcitadel $LIBS $SERVER_LIBS"
540                         chkpwd_LIBS="-lcitadel $chkpwd_LIBS"
541                 ],
542                 [
543                         AC_MSG_ERROR(libcitadel was not found or is not usable.  Please install libcitadel.)
544                 ]
545         ,
546         )],
547         [
548                 AC_MSG_ERROR(libcitadel.h was not found or is not usable.  Please install libcitadel.)
549         ]
550 )
551
552 CFLAGS="$saved_CFLAGS"
553
554
555
556 # The big search for OpenSSL
557 if test "$with_ssl" != "no"; then
558         saved_LIBS="$LIBS"
559         saved_LDFLAGS="$LDFLAGS"
560         saved_CFLAGS="$CFLAGS"
561         if test "x$prefix" != "xNONE"; then
562                 tryssldir="$tryssldir $prefix"
563         fi
564         AC_CACHE_CHECK([for OpenSSL], ac_cv_openssldir, [
565                 for ssldir in $tryssldir "" /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
566                         CFLAGS="$saved_CFLAGS"
567                         LDFLAGS="$saved_LDFLAGS"
568                         LIBS="$saved_LIBS -lssl -lcrypto"
569         
570                         # Skip directories if they don't exist
571                         if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
572                                 continue;
573                         fi
574                         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
575                                 # Try to use $ssldir/lib if it exists, otherwise
576                                 # $ssldir
577                                 if test -d "$ssldir/lib" ; then
578                                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
579                                         if test ! -z "$need_dash_r" ; then
580                                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
581                                         fi
582                                 else
583                                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
584                                         if test ! -z "$need_dash_r" ; then
585                                                 LDFLAGS="-R$ssldir $LDFLAGS"
586                                         fi
587                                 fi
588                                 # Try to use $ssldir/include if it exists, otherwise
589                                 # $ssldir
590                                 if test -d "$ssldir/include" ; then
591                                         CFLAGS="-I$ssldir/include $saved_CFLAGS"
592                                 else
593                                         CFLAGS="-I$ssldir $saved_CFLAGS"
594                                 fi
595                         fi
596         
597                         # Basic test to check for compatible version and correct linking
598                         # *does not* test for RSA - that comes later.
599                         AC_TRY_RUN(
600                                 [
601         #include <string.h>
602         #include <openssl/rand.h>
603         int main(void)
604         {
605                 char a[2048];
606                 memset(a, 0, sizeof(a));
607                 RAND_add(a, sizeof(a), sizeof(a));
608                 return(RAND_status() <= 0);
609         }
610                                 ],
611                                 [
612                                         found_crypto=1
613                                         break;
614                                 ], []
615                         )
616         
617                         if test ! -z "$found_crypto" ; then
618                                 break;
619                         fi
620                 done
621         
622                 if test -z "$ssldir" ; then
623                         ssldir="(system)"
624                 fi
625         
626                 if test ! -z "$found_crypto" ; then
627                         ac_cv_openssldir=$ssldir
628                 else
629                         ac_cv_openssldir="no"
630                 fi
631         ])
632         LIBS="$saved_LIBS"
633         LDFLAGS="$saved_LDFLAGS"
634         CFLAGS="$saved_CFLAGS"
635         
636         if test "x$ac_cv_openssldir" != "xno" ; then
637                 AC_DEFINE(HAVE_OPENSSL, [], [Define if you have OpenSSL.])
638                 LIBS="-lssl -lcrypto $LIBS"
639                 dnl Need to recover ssldir - test above runs in subshell
640                 ssldir=$ac_cv_openssldir
641                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr" -a "x$ssldir" != "x(system)"; then
642                         # Try to use $ssldir/lib if it exists, otherwise
643                         # $ssldir
644                         if test -d "$ssldir/lib" ; then
645                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
646                                 if test ! -z "$need_dash_r" ; then
647                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
648                                 fi
649                         else
650                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
651                                 if test ! -z "$need_dash_r" ; then
652                                         LDFLAGS="-R$ssldir $LDFLAGS"
653                                 fi
654                         fi
655                         # Try to use $ssldir/include if it exists, otherwise
656                         # $ssldir
657                         if test -d "$ssldir/include" ; then
658                                 CFLAGS="-I$ssldir/include $saved_CFLAGS"
659                         else
660                                 CFLAGS="-I$ssldir $saved_CFLAGS"
661                         fi
662                 fi
663         fi
664 fi
665
666 if test "x$with_db" != xno; then
667         test "$db_dir" && LDFLAGS="$LDFLAGS -L$db_dir/lib"
668
669         dblib=""
670
671         if test -d "$db_dir/include/db4"; then
672                 CPPFLAGS="$CPPFLAGS -I$db_dir/include/db4"
673                 dblib="db4"
674         elif test "$db_dir"; then
675                 CPPFLAGS="$CPPFLAGS -I$db_dir/include"
676         elif test -d /usr/include/db4; then
677                 CPPFLAGS="$CPPFLAGS -I/usr/include/db4"
678                 dblib="db4"
679         fi
680
681
682         AC_CHECK_DB([db db-4.1 db-4 db4],
683                     [
684                      DATABASE=database.c
685                     ],
686                     AC_MSG_ERROR([[Can not locate a suitable Berkeley DB
687                                   library.  Use --with-db=PATH to specify
688                                   the path]]))
689
690 fi
691
692
693
694
695 dnl Checks for the OpenLDAP client library.
696 if test "x$with_ldap" != xno ; then
697         AC_CHECK_HEADERS(ldap.h,
698                 [AC_CHECK_LIB(ldap, ldap_init,
699                         [ok_ldap=yes],,
700         )])
701 fi
702
703 if test "x$ok_ldap" = xyes ; then
704         SERVER_LIBS="-lldap $SERVER_LIBS"
705         AC_DEFINE(HAVE_LDAP, [], [define this if you have OpenLDAP client available])
706 fi
707
708
709
710
711
712 dnl Checks for the libdspam mail spam scanning library.
713 if test "x$with_libdspam" != xno ; then
714         AC_CHECK_HEADERS(dspam/libdspam.h,
715                 [AC_CHECK_LIB(dspam, dspam_init,
716                         [ok_libdspam=yes],,
717         )])
718 fi
719
720 if test "x$ok_libdspam" = xyes ; then
721         SERVER_LIBS="-ldspam $SERVER_LIBS"
722         AC_DEFINE(HAVE_LIBDSPAM, [], [(unfinished) define this if you have the libdspam mail spam scanning library available])
723 fi
724
725
726
727 dnl Checks for the Expat XML parser.
728 AC_CHECK_HEADER(expat.h,
729         [AC_CHECK_LIB(expat, XML_ParserCreateNS,
730                 [
731                         SERVER_LIBS="-lexpat $SERVER_LIBS"
732                 ],
733                 [
734                         AC_MSG_ERROR(The Expat XML parser was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
735                 ]
736         ,
737         )],
738         [
739                 AC_MSG_ERROR(expat.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
740         ]
741 )
742
743
744
745
746
747
748
749 dnl Checks for libcurl.
750 AC_CHECK_HEADER(curl/curl.h,
751         [AC_CHECK_LIB(curl, curl_version,
752                 [
753                         SERVER_LIBS="-lcurl $SERVER_LIBS"
754                 ],
755                 [
756                         AC_MSG_ERROR(libcurl was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
757                 ]
758         ,
759         )],
760         [
761                 AC_MSG_ERROR(curl/curl.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
762         ]
763 )
764
765
766
767
768
769
770
771
772
773
774 dnl Checks for header files.
775 AC_HEADER_DIRENT
776 AC_HEADER_STDC
777 AC_HEADER_SYS_WAIT
778
779 dnl
780 dnl TODO: for the DB header checks, we should check whether the headers
781 dnl define db_env_create, somehow
782 dnl
783 AC_CHECK_HEADERS(curses.h dl.h fcntl.h limits.h malloc.h termios.h sys/ioctl.h sys/select.h sys/stat.h sys/time.h sys/prctl.h syslog.h unistd.h utmp.h utmpx.h paths.h db.h db4/db.h pthread.h netinet/in.h arpa/nameser.h arpa/nameser_compat.h)
784
785 dnl
786 dnl need to check if this is actually compilable, sometimes there are
787 dnl conflicts with the system's headers (eg solaris xpg4 style headers)
788 dnl
789 if test "x$with_ncurses" != xno; then
790         AC_CHECK_HEADERS(ncurses.h,,,[ ])
791 fi
792
793 AC_CHECK_HEADER(resolv.h,AC_DEFINE(HAVE_RESOLV_H, [], [define this if you have the resolv.h header file.]),,
794 [#ifdef HAVE_SYS_TYPES_H
795 #include <sys/types.h>
796 #endif
797 #ifdef HAVE_NETINET_IN_H
798 #include <netinet/in.h>
799 #endif
800 #ifdef HAVE_ARPA_NAMESER_H
801 #include <arpa/nameser.h>
802 #endif])
803
804
805 dnl Checks for typedefs, structures, and compiler characteristics.
806 AC_C_CONST
807 AC_TYPE_PID_T
808 AC_TYPE_SIZE_T
809 AC_HEADER_TIME
810
811 dnl defined in acinclude.m4:
812 CIT_STRUCT_TM
813
814 AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_ut_type,
815 [AC_TRY_COMPILE([#include <sys/types.h>
816 #include <utmp.h>], [struct utmp ut; ut.ut_type;],
817 ac_cv_struct_ut_type=yes, ac_cv_struct_ut_type=no)])
818 if test $ac_cv_struct_ut_type = yes; then
819         AC_DEFINE(HAVE_UT_TYPE, [], [define this if struct utmp has an ut_type member])
820 fi
821
822 AC_CACHE_CHECK(
823         [for call semantics from getpwuid_r], 
824         ac_cv_call_getpwuid_r,
825         [AC_TRY_COMPILE([#include <sys/types.h>
826 #include <pwd.h>], 
827                          [
828                                 struct passwd pw, *pwp;
829                                 char pwbuf[64];
830                                 uid_t uid;
831
832                                 getpwuid_r(uid, &pw, pwbuf, sizeof(pwbuf), &pwp);
833                         ],
834                         ac_cv_call_getpwuid_r=yes, 
835                         ac_cv_call_getpwuid_r=no)
836         ])
837
838 if test $ac_cv_call_getpwuid_r = no; then
839         AC_DEFINE(SOLARIS_GETPWUID,[],[do we need to use solaris call syntax?])
840         AC_DEFINE(F_UID_T, "%ld", [whats the matching format string for uid_t?])
841         AC_DEFINE(F_PID_T, "%ld",  [whats the matching format string for pid_t?])
842         AC_DEFINE(F_XPID_T, "%lx",  [whats the matching format string for xpid_t?])
843 else
844         AC_DEFINE(F_UID_T, "%d",  [whats the matching format string for uid_t?])
845         AC_DEFINE(F_PID_T, "%d",  [whats the matching format string for pid_t?])
846         AC_DEFINE(F_XPID_T, "%x",  [whats the matching format string for xpid_t?])
847 fi
848
849
850 dnl Our own happy little check for the resolver library.
851
852 case "`uname -a`" in 
853  OpenBSD*)
854         echo "we don't need to check for resolv on openbsd"  
855         ;;
856  FreeBSD*)
857         echo "we don't need to check for resolv on freeBSD"  
858         ;;
859  *)
860         test -f /usr/local/lib/libresolv.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
861         AC_CHECK_LIB(resolv, res_query,
862                 RESOLV="$RESOLV -lresolv",
863                 [dnl Have to include resolv.h as res_query is sometimes defined as a macro
864                         AC_MSG_CHECKING([for res_query in -lresolv (with resolv.h if present)])
865                         saved_libs="$LIBS"
866                         LIBS="-lresolv $LIBS"
867                         AC_TRY_LINK([
868                                 #ifdef HAVE_RESOLV_H
869                                 #include <resolv.h>
870                                 #endif],
871                                 [res_query(0,0,0,0,0)],
872                                 [AC_MSG_RESULT(yes)
873                                                 have_res_query=yes],
874                                 [AC_MSG_RESULT(no)
875                                         AC_MSG_ERROR(libresolv was not found.  Citadel requires the resolver library.)
876                                 ])
877          ]
878         )
879         ;;
880 esac
881
882
883
884 AC_CACHE_CHECK([for ut_host in struct utmp], ac_cv_struct_ut_host,
885 [AC_TRY_COMPILE([#include <sys/types.h>
886 #include <utmp.h>], [struct utmp ut; ut.ut_host;],
887 ac_cv_struct_ut_host=yes, ac_cv_struct_ut_host=no)])
888 if test $ac_cv_struct_ut_host = yes; then
889         AC_DEFINE(HAVE_UT_HOST, [], [define this if struct utmp has an ut_host member])
890 fi
891
892 dnl Checks for library functions.
893 AC_FUNC_GETPGRP
894 AC_PROG_GCC_TRADITIONAL
895 AC_TYPE_SIGNAL
896 AC_FUNC_VPRINTF
897 AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror strcasecmp strncasecmp)
898
899 dnl Now check for pthreads
900
901 dnl On some platforms, AC_CHECK_FUNC[S] doesn't work for pthreads programs;
902 dnl we need to include pthread.h
903
904 AC_CACHE_CHECK([for pthread_cancel], ac_cv_func_pthread_cancel,
905 [AC_TRY_LINK([#include <pthread.h>],
906 [       pthread_t thread;
907
908         /* The GNU C library defines this for functions which it implements
909            to always fail with ENOSYS.  Some functions are actually named
910            something starting with __ and the normal name is an alias.  */
911 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
912         choke me
913 #else
914         pthread_cancel(thread);
915 #endif],
916 ac_cv_func_pthread_cancel=yes, ac_cv_func_pthread_cancel=no)])
917 if test "$ac_cv_func_pthread_cancel" = yes; then
918         AC_DEFINE(HAVE_PTHREAD_CANCEL, [], [define this if you have the pthread_cancel() function])
919 fi
920
921 AC_CACHE_CHECK([for pthread_create], ac_cv_func_pthread_create,
922 [AC_TRY_LINK([#include <pthread.h>],
923 [       /* The GNU C library defines this for functions which it implements
924            to always fail with ENOSYS.  Some functions are actually named
925            something starting with __ and the normal name is an alias.  */
926 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
927         choke me
928 #else
929         pthread_create(NULL, NULL, NULL, NULL);
930 #endif],
931 ac_cv_func_pthread_create=yes, ac_cv_func_pthread_create=no)])
932 if test "$ac_cv_func_pthread_create" = yes; then
933         test "$DATABASE" && TARGETS="client server utils"
934         if test "x$enable_threaded_client" != xno; then
935                 AC_DEFINE(THREADED_CLIENT, [], [define this if you want to enable the multithreaded client])
936         fi
937 fi
938
939 AC_REPLACE_FUNCS(snprintf getutline)
940
941 AC_CACHE_CHECK([the weather], ac_cv_weather, [
942         sleep 1
943         echo $ECHO_N "opening your window... $ECHO_C" >&6
944         sleep 2
945         month=`date | cut -f 2 -d ' '`
946         case $month in
947         Dec | Jan | Feb)
948                 ac_cv_weather="it's cold!"
949                 ;;
950         Mar | Apr)
951                 ac_cv_weather="it's wet!"
952                 ;;
953         Jul | Aug)
954                 ac_cv_weather="it's hot!"
955                 ;;
956         Oct | Nov)
957                 ac_cv_weather="it's cool"
958                 ;;
959         May | Jun | Sep | *)
960                 ac_cv_weather="it's fine"
961                 ;;
962         esac
963         ])
964
965
966
967
968 AC_CACHE_CHECK([under the bed], ac_cv_under_the_bed, [
969         number=`date | cut -c 19`
970         case $number in
971         7)
972                 ac_cv_under_the_bed="lunatics and monsters found"
973                 ;;
974         *)
975                 ac_cv_under_the_bed="dust bunnies found"
976                 ;;
977         esac
978         ])
979
980
981 STRUCT_UCRED
982
983
984
985 dnl Done! Now write the Makefile and sysdep.h
986 AC_SUBST(AUTH)
987 AC_SUBST(RESOLV)
988 AC_SUBST(chkpwd_LIBS)
989 AC_SUBST(TARGETS)
990 AC_SUBST(DATABASE)
991 AC_SUBST(SERVER_LDFLAGS)
992 AC_SUBST(SERVER_LIBS)
993 AC_SUBST(SETUP_LIBS)
994 ./mk_module_init.sh
995 AC_CONFIG_FILES([Makefile])
996 AC_OUTPUT(database_cleanup.sh)
997
998
999 if test -z "$DATABASE"; then
1000         AC_MSG_WARN([No database driver was found. Please install Berkeley DB.])
1001 fi
1002
1003 echo ------------------------------------------------------------------------
1004 echo 'LDAP support:                    ' $ok_ldap
1005 echo 'Character set conversion support:' $ok_iconv
1006 echo 'DSpam Scanning support:          ' $ok_libdspam
1007 echo 
1008 echo 'Note: if you are not using Linux, make sure you are using GNU make'
1009 echo '(gmake) to compile Citadel.'
1010 echo