use AC_TRY_COMPILE to determine the right libev version; AC_CHECK_LIB dosen't work.
[citadel.git] / citadel / configure.ac
1 dnl Process this file with autoconf to produce a configure script.
2 AC_PREREQ(2.52)
3 AC_INIT([Citadel], [8.03], [http://www.citadel.org/])
4 AC_REVISION([$Revision: 5108 $])
5 AC_CONFIG_SRCDIR([citserver.c])
6 AC_CONFIG_HEADER(sysdep.h)
7 AC_CONFIG_MACRO_DIR([m4])
8 AC_PREFIX_DEFAULT(/usr/local/citadel)
9 if test "$prefix" = NONE; then
10         AC_DEFINE_UNQUOTED(CTDLDIR, "$ac_default_prefix", [define this to the Citadel home directory])
11         ssl_dir="$ac_default_prefix/keys"
12         localedir=$ac_default_prefix
13 else
14         AC_DEFINE_UNQUOTED(CTDLDIR, "$prefix", [define this to the Citadel home directory])
15         ssl_dir="$prefix/keys"
16         localedir=$prefix
17 fi
18
19 dnl Make sure we see all GNU and Solaris extensions.
20 AC_GNU_SOURCE
21
22
23 dnl Checks for the Datadir
24 AC_ARG_WITH(datadir, 
25                     [  --with-datadir          directory to store the databases under],
26                         [ if test "x$withval" != "xno" ; then
27                                               AC_DEFINE(HAVE_DATA_DIR,[],[use alternate database location?])
28                                               AC_DEFINE_UNQUOTED(DATA_DIR, "$withval",[define, if the user suplied a data-directory to use.])
29                                               MAKE_DATA_DIR=$withval
30                                               AC_SUBST(MAKE_DATA_DIR)
31                           fi
32                         ]
33 )
34
35
36 dnl Checks for the helpDatadir
37 AC_ARG_WITH(helpdir, 
38                     [  --with-helpdir          directory to store the helpfiles under],
39                         [ if test "x$withval" != "xno" ; then
40                                               AC_DEFINE(HAVE_HELP_DIR,[],[use alternate database location?])
41                                               AC_DEFINE_UNQUOTED(HELP_DIR, "$withval",[define, if the user suplied a helpfile-directory to use.])
42                                               MAKE_HELP_DIR=$withval
43                                               AC_SUBST(MAKE_HELP_DIR)
44                           fi
45                         ]
46 )
47
48 dnl Checks for the Static Datadir
49 AC_ARG_WITH(staticdatadir, 
50                     [  --with-staticdatadir    directory to store citadels system messages under],
51                         [ if test "x$withval" != "xno" ; then
52                                                   AC_DEFINE(HAVE_STATICDATA_DIR, [], [should we activate an alternate static text location?])
53                                                   AC_DEFINE_UNQUOTED(STATICDATA_DIR, "$withval", [where do we put our static text data?])
54                                                   MAKE_STATICDATA_DIR=$withval
55                                                   AC_SUBST(MAKE_STATICDATA_DIR)
56                           fi
57                         ]
58 )
59
60
61 dnl Checks for the SSLdir
62 dnl this is a bit different than the rest, 
63 dnl because of the citadel used to have a keys/ subdir.
64 AC_ARG_WITH(ssldir, 
65                     [  --with-ssldir           directory to store the ssl certificates under],
66                         [ if test "x$withval" != "xno" ; then
67                                               
68                                                   ssl_dir="$withval"
69                           fi
70                         AC_SUBST(MAKE_SSL_DIR)
71                         ]
72 )
73 AC_DEFINE_UNQUOTED(SSL_DIR, "$ssl_dir", [were should we put our keys?])
74
75
76 dnl Checks for the spooldir
77 AC_ARG_WITH(spooldir, 
78                         [  --with-spooldir         directory to keep queues under],
79                         [ if test "x$withval" != "xno" ; then
80                                                 AC_DEFINE(HAVE_SPOOL_DIR, [], [enable alternate spool dir?])
81                                                 AC_DEFINE_UNQUOTED(SPOOL_DIR,"$withval", [where do we place our spool dirs?])
82                                                 MAKE_SPOOL_DIR=$withval
83                                                 AC_SUBST(MAKE_SPOOL_DIR)
84                            fi
85                         ]
86 )
87
88
89 dnl Checks for the Configdir
90 AC_ARG_WITH(sysconfdir, 
91                         [  --with-sysconfdir       directory to store the configs under],
92                         [ if test "x$withval" != "xno" ; then
93                                             AC_DEFINE(HAVE_ETC_DIR, [], [should we search our system config in an alternate place?])
94                                                 AC_DEFINE_UNQUOTED(ETC_DIR, "$withval", [where to search our config files])
95                                                 MAKE_ETC_DIR=$withval
96                                                 AC_SUBST(MAKE_ETC_DIR)
97                           fi
98                         ]
99 )
100
101 dnl Checks for the Configdir
102 AC_ARG_WITH(autosysconfdir, 
103                         [  --with-autosysconfdir         directory to store the automaticaly maintained configs under],
104                         [ if test "x$withval" != "xno" ; then
105                                             AC_DEFINE(HAVE_AUTO_ETC_DIR, [], [should we search our automatic config in an alternate place?])
106                                                 AC_DEFINE_UNQUOTED(AUTO_ETC_DIR, "$withval", [where to search our automatic config files])
107                                                 MAKE_AUTO_ETC_DIR=$withval
108                                                 AC_SUBST(MAKE_AUTO_ETC_DIR)
109                           fi
110                         ]
111 )
112
113 dnl Checks for where to put our utilities
114 AC_ARG_WITH(utility-bindir, 
115                         [  --with-utility-bindir   directory where to find helper binaries],
116                         [ if test "x$withval" != "xno" ; then
117                                             AC_DEFINE(HAVE_UTILBIN_DIR,[],[should we put our helper binaries to another location?])
118                                                 AC_DEFINE_UNQUOTED(UTILBIN_DIR, "$withval", [were to put our helper programs])
119                                                 MAKE_UTILBIN_DIR=$withval
120                                                 AC_SUBST(MAKE_UTILBIN_DIR)
121                           fi
122                         ]
123 )
124
125
126 dnl Checks for the run-dir for the sockets
127 AC_ARG_WITH(rundir, 
128                         [  --with-rundir           directory to place runtime files (UDS) to?],
129                         [ if test "x$withval" != "xno" ; then
130                                             AC_DEFINE(HAVE_RUN_DIR, [], [should we put our non volatile files elsewhere?])
131                                                 AC_DEFINE_UNQUOTED(RUN_DIR, "$withval", [define, where the config should go in unix style])
132                                                 MAKE_RUN_DIR=$withval
133                                                 AC_SUBST(MAKE_RUN_DIR)
134                           fi
135                         ]
136 )
137
138
139 dnl Checks for the Pseudo Random Generator sockets TODO: this keeps being default.
140 AC_DEFINE_UNQUOTED(EGD_POOL, "/var/run/egd-pool", [place to keep our pseudo random generator file])
141 AC_ARG_WITH(egdpool, 
142                         [  --with-egdpool          the socket from Pseudo Random Generator, defaults to /var/run/egd-pool],
143                         [ if test "x$withval" != "xno" ; then
144                                                 AC_DEFINE_UNQUOTED(EGD_POOL, "$withval", [the socket from Pseudo Random Generator])
145                           fi
146                         ]
147 )
148
149
150 AC_ARG_WITH(docdir,
151                         [  --with-docdir           where to install the documentation. default: /usr/local/citadel/],
152                         [ if test "x$withval" != "xno" ; then
153                                         MAKE_DOC_DIR=$withval
154                                         AC_SUBST(MAKE_DOC_DIR)
155                           fi
156                         ]
157 )
158
159 dnl where to put the locale files
160 AC_ARG_WITH(localedir, 
161                     [  --with-localedir          directory to put the locale files to],
162                         [ if test "x$withval" != "xno" ; then
163                             localedir=$withval
164                           fi
165                         ]
166 )
167 AC_DEFINE_UNQUOTED(LOCALEDIR, "$localedir",[where to find our pot files])
168 LOCALEDIR=$localedir
169 AC_SUBST(LOCALEDIR)
170
171
172
173 dnl Checks for the zlib compression library.
174 saved_CFLAGS="$CFLAGS"
175 CFLAGS="$CFLAGS $SERVER_LIBS"
176 AC_CHECK_HEADER(zlib.h,
177         [AC_CHECK_LIB(z, zlibVersion,
178                 [
179                         LIBS="-lz $LIBS $SERVER_LIBS"
180                 ],
181                 [
182                         AC_MSG_ERROR(zlib was not found or is not usable.  Please install zlib.)
183                 ]
184         ,
185         )],
186         [
187                 AC_MSG_ERROR(zlib.h was not found or is not usable.  Please install zlib.)
188         ]
189 )
190 CFLAGS="$saved_CFLAGS"
191
192 dnl Here is the check for a libc integrated iconv
193 AC_ARG_ENABLE(iconv,
194         [  --disable-iconv         do not use iconv charset conversion],
195         ok_iconv=no, ok_iconv=yes)
196
197 AC_MSG_CHECKING(Checking to see if your system supports iconv)
198 AC_TRY_RUN([
199         #include <iconv.h>
200         main() {
201                 iconv_t ic = (iconv_t)(-1) ;
202                 ic = iconv_open("UTF-8", "us-ascii");
203                 iconv_close(ic);
204                 exit(0);
205         }
206  ],
207                 [
208                   ok_iconv=yes
209                   AC_MSG_RESULT([yes])
210                 ],
211                 [ 
212                   ok_iconv=no
213                   AC_MSG_RESULT([no])
214                 ]
215 )
216
217 dnl Check for iconv in external libiconv
218 if test "$ok_iconv" = no; then
219         AC_MSG_CHECKING(Checking for an external libiconv)
220         OLD_LDFLAGS="$LDFLAGS"
221         LDFLAGS="$LDFLAGS -liconv"
222         AC_TRY_RUN([
223                         #include <iconv.h>
224                         main() {
225                                 iconv_t ic = (iconv_t)(-1) ;
226                                 ic = iconv_open("UTF-8", "us-ascii");
227                                 iconv_close(ic);
228                         }
229                 ],
230                         [
231                           ok_iconv=yes
232                           AC_MSG_RESULT([yes])
233                         ],
234                         [ 
235                           ok_iconv=no
236                           LDFLAGS="$OLD_LDFLAGS"
237                           AC_MSG_RESULT([no])
238                         ]
239                 )
240 fi      
241 if test "$ok_iconv" != "no"; then
242         AC_MSG_RESULT(Citadel will be built with character set conversion.)
243         AC_DEFINE(HAVE_ICONV,[],[whether we have iconv for charset conversion])
244 else
245         AC_MSG_RESULT(Citadel will be built without character set conversion.)
246 fi
247
248 AC_CHECK_LIB(intl, libintl_bindtextdomain, [LDFLAGS="$LDFLAGS -lintl"])
249
250
251
252 AC_ARG_ENABLE(threaded-client, [  --disable-threaded-client
253                           disable multithreaded client])
254
255 AC_ARG_ENABLE(pie, [  --enable-pie            build position-independent executables])
256
257 AC_ARG_WITH(pam, [  --with-pam              use PAM if present (see PAM.txt before you try this)])
258 AC_ARG_WITH(kthread, [  --with-kthread          use kernel threads (on FreeBSD) (not recommended yet)])
259 AC_ARG_WITH(db, [  --with-db@<:@=DIR@:>@         use Berkeley DB 3.x @<:@DIR=/usr/local/BerkeleyDB.3.@<:@123@:>@@:>@])
260 AC_ARG_WITH(ssl,
261         [  --with-ssl=PATH         Specify path to OpenSSL installation ],
262         [
263                 if test "x$withval" != "xno" ; then
264                         tryssldir=$withval
265                 fi
266         ]
267 )
268 AC_ARG_WITH(with_ldap, [  --with-ldap             use OpenLDAP client library])
269 dnl AC_ARG_WITH(with_libdspam, [  --with-libdspam         use libdspam mail spam scanning library])
270 AC_ARG_WITH(with_gc, [  --with-gc             use the Boehm-Demers-Weiser garbage collection library])
271
272 if test "x$with_db" != xno -a "x$with_db" != xyes -a "$with_db"; then
273         db_dir="$with_db"
274         with_db=yes
275 else
276         test -f /usr/local/lib/libdb.a -o -f /usr/local/lib/libdb.so \
277           -o -f /usr/local/lib/libdb4.a -o -f /usr/local/lib/libdb4.so \
278           && db_dir=/usr/local
279
280         test -d /usr/local/BerkeleyDB.4.1 && db_dir=/usr/local/BerkeleyDB.4.1
281         test -d /usr/local/BerkeleyDB.4.2 && db_dir=/usr/local/BerkeleyDB.4.2
282         test -d /usr/local/BerkeleyDB.4.3 && db_dir=/usr/local/BerkeleyDB.4.3
283         test -d /usr/local/BerkeleyDB.4.4 && db_dir=/usr/local/BerkeleyDB.4.4
284         test -d /usr/local/BerkeleyDB.4.5 && db_dir=/usr/local/BerkeleyDB.4.5
285 fi
286
287 dnl By default, we only build the client (citadel and whobbs) unless we can
288 dnl figure out how to build with POSIX threads.
289 TARGETS=client
290
291 AC_CANONICAL_HOST
292 PTHREAD_DEFS=-D_REENTRANT
293 AC_MSG_CHECKING([how to compile with POSIX threads])
294 case "$host" in
295         dnl BSDI 3.0 wants relocatable object modules instead of shared libs
296         dnl for dlopen(), and has a wrapper script to link with shared libs.
297         dnl Also has stupid non-reentrant gethostbyaddr() and friends.
298         *-*-bsdi[123]*)
299                 test -z "$CC" -a -x /usr/bin/shlicc2 && CC=shlicc2
300                 AC_DEFINE(HAVE_NONREENTRANT_NETDB,[], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
301                 AC_MSG_RESULT([Old BSDI])
302         ;;
303         *-*-bsdi*)
304                 AC_DEFINE(HAVE_NONREENTRANT_NETDB, [], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
305                 AC_MSG_RESULT([BSD/OS])
306         ;;
307         dnl Curses support on Mac OS X is kind of screwed at the moment.
308         dnl TCP buffering isn't ideal under OS X. This define should also be
309         dnl checked in other cases of OS X-Linux differences.
310         *-*-darwin*)
311                 AC_DEFINE(HAVE_DARWIN, [], [define if using OS X/Darwin])
312                 AC_MSG_RESULT([Mac OS X])
313         ;;
314         dnl Digital Unix has an odd way to build for pthreads, and we can't
315         dnl build pthreads programs with gcc due to header problems.
316         alpha*-dec-osf*)
317                 test -z "$CC" && CC=cc
318                 LIBS="-lpthread -lexc $LIBS"
319                 check_pthread=no
320                 AC_MSG_RESULT([Tru64 or Digital UNIX])
321         ;;
322         dnl FreeBSD is similar to Digital UNIX with DEC C, which has a -pthread flag:
323         *-*-freebsd*)
324                 if test "$with_kthread" = yes; then
325                         LIBS="-kthread $LIBS"
326                 else
327                         LIBS="-pthread $LIBS"
328                 fi
329                 check_pthread=no
330                 PTHREAD_DEFS=-D_THREAD_SAFE
331                 AC_MSG_RESULT([FreeBSD])
332         ;;
333         *-*-openbsd*)
334                 LIBS="-pthread $LIBS"
335                 check_pthread=no
336                 PTHREAD_DEFS=-pthread
337                 AC_MSG_RESULT([OpenBSD])
338         ;;
339         *-*-linux*)
340                 PTHREAD_DEFS="-D_REENTRANT -pthread"
341                 AC_MSG_RESULT([Linux])
342         ;;
343         *-*-solaris*)
344                 PTHREAD_DEFS="-D_REENTRANT -D_PTHREADS"
345                 AC_MSG_RESULT([Solaris])
346         ;;
347         *-*-cygwin*)
348                 SERVER_LDFLAGS="-Wl,-subsystem,windows"
349                 AC_MSG_RESULT([Cygwin])
350         ;;
351         *)
352                 AC_MSG_RESULT([default])
353         ;;
354 esac
355 dnl DEFS="$DEFS $PTHREAD_DEFS"
356
357
358 dnl Checks for programs.
359 AC_PROG_CC
360
361
362
363 dnl Set up system-dependent compiler flags.
364 if test "$GCC" = yes; then
365         if test "$CC" = icc; then
366                 CFLAGS="$CFLAGS -w1"
367         else
368                 case "$host" in
369                         *-*-solaris*|alpha*-dec-osf*)
370                                 CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wno-char-subscripts $PTHREAD_DEFS"
371                         ;;
372                         *)
373                         CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wstrict-prototypes -Wno-strict-aliasing $PTHREAD_DEFS"
374                         ;;
375                 esac
376         fi
377 fi
378
379 if test "x$enable_pie" = xyes; then
380         save_CFLAGS="$CFLAGS"
381         save_LDFLAGS="$LDFLAGS"
382         CFLAGS="$CFLAGS -fpie"
383         LDFLAGS="$LDFLAGS -pie -fpie"
384         AC_CACHE_CHECK([whether compiler accepts -pie -fpie], ac_cv_pie_fpie,
385         [AC_TRY_LINK([], [],
386         ac_cv_pie_fpie=yes, ac_cv_pie_fpie=no)])
387         if test $ac_cv_pie_fpie = no; then
388                 CFLAGS="$save_CFLAGS"
389                 LDFLAGS="$save_LDFLAGS"
390         fi
391 fi
392
393 AC_MSG_CHECKING([how to create dependancy checks])
394                  if test -n "`$CC -V 2>&1 |grep Sun`"; then 
395                         DEPEND_FLAG=-xM;
396                  else 
397                         DEPEND_FLAG=-M
398                  fi
399 AC_SUBST(DEPEND_FLAG)
400
401
402 AC_PROG_INSTALL
403 AC_PROG_YACC
404 AC_PATH_PROG(DIFF,diff)
405 AC_PATH_PROG(PATCH,patch)
406 missing_dir=`cd $ac_aux_dir && pwd`
407 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
408 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
409
410 dnl Checks for system services.
411
412 dnl Check the size of various builtin types; see typesize.h (error)
413 AC_CHECK_SIZEOF(char, 0)
414 AC_CHECK_SIZEOF(short, 0)
415 AC_CHECK_SIZEOF(int, 0)
416 AC_CHECK_SIZEOF(long, 0)
417 AC_CHECK_SIZEOF(size_t, 0)
418 dnl AC_CHECK_SIZEOF(long long, 0)
419
420 dnl Checks for libraries.
421
422 dnl We want to test for the following in libc before checking for their
423 dnl respective libraries, because some systems (like Irix) have both, and the
424 dnl non-libc versions may be broken.
425 AC_CHECK_FUNCS(crypt gethostbyname connect flock getpwnam_r getpwuid_r getloadavg)
426
427 AC_CHECK_FUNCS(strftime_l uselocale gettext)
428
429 if test "$ok_nls" != "no"; then
430         AC_CHECK_PROG(ok_xgettext, xgettext, yes, no)
431         ok_nls=$ok_xgettext
432 fi
433
434 if test "$ok_nls" != "no"; then
435         AC_CHECK_PROG(ok_msgmerge, msgmerge, yes, no)
436         ok_nls=$ok_msgmerge
437 fi
438
439 if test "$ok_nls" != "no"; then
440         AC_CHECK_PROG(ok_msgfmt, msgfmt, yes, no)
441         ok_nls=$ok_msgfmt
442 fi
443
444 if test "$ok_nls" != "no"; then
445         AC_MSG_RESULT(citadel will be built with national language support.)
446         AC_DEFINE(ENABLE_NLS, [], [whether we have NLS support])
447         PROG_SUBDIRS="$PROG_SUBDIRS po/citadel-setup"
448 else
449         AC_MSG_RESULT(citadel will be built without national language support.)
450 fi
451
452 dnl disable backtrace if we don't want it.
453 AC_ARG_WITH(backtrace, 
454                     [  --with-backtrace        enable backtrace dumps in the syslog],
455                         [ if test "x$withval" != "xno" ; then
456                              CFLAGS="$CFLAGS  -rdynamic "
457                              LDFLAGS="$LDFLAGS  -rdynamic "
458                              SERVER_LDFLAGS="$SERVER_LDFLAGS  -rdynamic "
459                              AC_CHECK_FUNCS(backtrace)
460                           fi
461                         ]
462 )
463
464 dnl disable backtrace if we don't want it.
465 AC_ARG_WITH(gprof, 
466                     [  --with-gprof            enable profiling],
467                         [ if test "x$withval" != "xno" ; then
468                              CFLAGS="$CFLAGS  -pg "
469                              LDFLAGS="$LDFLAGS  -pg "
470                              SERVER_LDFLAGS="$SERVER_LDFLAGS  -pg "
471                           fi
472                         ]
473 )
474
475 if test "$ac_cv_func_gethostbyname" = no; then
476         AC_CHECK_LIB(nsl, gethostbyname)
477 fi
478
479 if test "$ac_cv_func_connect" = no; then
480         AC_CHECK_LIB(socket, connect)
481 fi
482
483 dnl Check for Solaris realtime support
484 AC_CHECK_LIB(rt, sched_yield)
485
486 dnl Determine the system's authentication capabilities.
487 dnl We currently support PAM, standard getpwnam(), and getspnam()
488 dnl (Linux shadow passwords)
489
490 save_LIBS=$LIBS
491 AC_CHECK_LIB(pam, pam_start, [chkpwd_LIBS="-lpam $chkpwd_LIBS"
492         LIBS="-lpam $LIBS"])
493 AC_CHECK_FUNCS(pam_start)
494 test "$enable_chkpwd" != no && LIBS=$save_LIBS
495         if test "$ac_cv_func_pam_start" = no -o "$with_pam" != yes; then
496                 save_LIBS=$LIBS
497                 AC_SEARCH_LIBS(getspnam, shadow, [
498                         if test "$ac_cv_search_getspnam" = -lshadow; then
499                                 chkpwd_LIBS="-lshadow $chkpwd_LIBS"
500                         fi])
501                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
502                 if test "$ac_cv_func_crypt" = no; then
503                         AC_CHECK_LIB(crypt, crypt, [
504                                 chkpwd_LIBS="-lcrypt $chkpwd_LIBS"
505                                 test "$enable_chkpwd" = no && \
506                                         LIBS="-lcrypt $LIBS"])
507                 fi
508         fi
509
510 AC_CHECK_FUNCS(vw_printw wcolor_set resizeterm wresize)
511
512 dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
513 dnl which the -pthread flag takes care of this.)
514 if test "$check_pthread" != no; then
515         AC_CHECK_LIB(pthread, pthread_create)
516         AC_CHECK_LIB(pthreads, pthread_create)
517 fi
518
519 test -d /usr/kerberos/include && CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
520
521 dnl Checks for the libical iCalendar library.
522 AC_CHECK_HEADER(libical/ical.h,
523         [AC_CHECK_LIB(ical, icaltimezone_set_tzid_prefix,
524                 [
525                         SERVER_LIBS="-lical $SERVER_LIBS"
526                 ],
527                 [
528                         AC_MSG_ERROR(libical was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
529                 ]
530         ,
531         )],
532         [
533                 AC_MSG_ERROR(libical/ical.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
534         ]
535 )
536
537
538 dnl Checks for the libsieve mailbox sorting library.
539 AC_CHECK_HEADER(sieve2.h,
540         [AC_CHECK_LIB(sieve, sieve2_license,
541                 [
542                         SERVER_LIBS="-lsieve $SERVER_LIBS"
543                 ],
544                 [
545                         AC_MSG_ERROR(libsieve was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
546                 ]
547         ,
548         )],
549         [
550                 AC_MSG_ERROR(sieve2.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
551         ]
552 )
553
554 saved_CFLAGS="$CFLAGS"
555 CFLAGS="$CFLAGS $SERVER_LIBS"
556 dnl Check for libcitadel
557 AC_CHECK_HEADER(libcitadel.h,
558         [AC_CHECK_LIB(citadel, libcitadel_version_string,
559                 [
560                         LIBS="-lcitadel $LIBS $SERVER_LIBS"
561                         chkpwd_LIBS="-lcitadel $chkpwd_LIBS"
562                 ],
563                 [
564                         AC_MSG_ERROR(libcitadel was not found or is not usable.  Please install libcitadel.)
565                 ]
566         ,
567         )],
568         [
569                 AC_MSG_ERROR(libcitadel.h was not found or is not usable.  Please install libcitadel.)
570         ]
571 )
572
573 CFLAGS="$saved_CFLAGS"
574
575
576 AC_CHECK_LIB(cares, ares_parse_mx_reply,
577             [
578                     C_ARES_LIBS=-lcares
579                     AC_DEFINE(HAVE_C_ARES, 1, [Define to use c-ares library])
580                     have_good_c_ares=yes
581             ],, $SOCKET_LIBS $NSL_LIBS
582 )
583
584
585
586 saved_CFLAGS="$CFLAGS"
587 CFLAGS="$CFLAGS $SERVER_LIBS"
588 dnl Check for c-ares
589 AC_CHECK_HEADER(ares.h,
590         [AC_CHECK_LIB(cares, ares_parse_mx_reply,
591                 [
592                         LIBS="-lcares $LIBS $SERVER_LIBS"
593                 ],
594                 [
595                         AC_MSG_ERROR(libc-ares was not found or is not usable.  Please install libc-ares.)
596                 ]
597         )],
598         [
599                 AC_MSG_ERROR(ares.h was not found or is not usable.  Please install libc-ares.)
600         ]
601 )
602 CFLAGS="$saved_CFLAGS"
603
604 saved_CFLAGS="$CFLAGS"
605 CFLAGS="$CFLAGS $SERVER_LIBS"
606 dnl Check for libev
607 AC_CHECK_HEADER(ev.h,
608         [AC_TRY_COMPILE([#include <math.h>
609 #include <ev.h>], 
610                          [
611                          ev_cleanup abort_by_shutdown;
612                          struct ev_loop *event_base;
613                          ev_cleanup_start(event_base, &abort_by_shutdown);
614                         ],[],
615                 [
616                         AC_MSG_ERROR(libev was not found or is not usable.  Please install libev.)
617                 ])
618         ],
619         [
620                 AC_MSG_ERROR(ev.h was not found or is not usable.  Please install libev.)
621         ]
622 )
623 CFLAGS="$saved_CFLAGS"
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643 # The big search for OpenSSL
644 if test "$with_ssl" != "no"; then
645         saved_LIBS="$LIBS"
646         saved_LDFLAGS="$LDFLAGS"
647         saved_CFLAGS="$CFLAGS"
648         if test "x$prefix" != "xNONE"; then
649                 tryssldir="$tryssldir $prefix"
650         fi
651         AC_CACHE_CHECK([for OpenSSL], ac_cv_openssldir, [
652                 for ssldir in $tryssldir "" /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
653                         CFLAGS="$saved_CFLAGS"
654                         LDFLAGS="$saved_LDFLAGS"
655                         LIBS="$saved_LIBS -lssl -lcrypto"
656         
657                         # Skip directories if they don't exist
658                         if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
659                                 continue;
660                         fi
661                         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
662                                 # Try to use $ssldir/lib if it exists, otherwise
663                                 # $ssldir
664                                 if test -d "$ssldir/lib" ; then
665                                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
666                                         if test ! -z "$need_dash_r" ; then
667                                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
668                                         fi
669                                 else
670                                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
671                                         if test ! -z "$need_dash_r" ; then
672                                                 LDFLAGS="-R$ssldir $LDFLAGS"
673                                         fi
674                                 fi
675                                 # Try to use $ssldir/include if it exists, otherwise
676                                 # $ssldir
677                                 if test -d "$ssldir/include" ; then
678                                         CFLAGS="-I$ssldir/include $saved_CFLAGS"
679                                 else
680                                         CFLAGS="-I$ssldir $saved_CFLAGS"
681                                 fi
682                         fi
683         
684                         # Basic test to check for compatible version and correct linking
685                         # *does not* test for RSA - that comes later.
686                         AC_TRY_RUN(
687                                 [
688         #include <string.h>
689         #include <openssl/rand.h>
690         int main(void)
691         {
692                 char a[2048];
693                 memset(a, 0, sizeof(a));
694                 RAND_add(a, sizeof(a), sizeof(a));
695                 return(RAND_status() <= 0);
696         }
697                                 ],
698                                 [
699                                         found_crypto=1
700                                         break;
701                                 ], []
702                         )
703         
704                         if test ! -z "$found_crypto" ; then
705                                 break;
706                         fi
707                 done
708         
709                 if test -z "$ssldir" ; then
710                         ssldir="(system)"
711                 fi
712         
713                 if test ! -z "$found_crypto" ; then
714                         ac_cv_openssldir=$ssldir
715                 else
716                         ac_cv_openssldir="no"
717                 fi
718         ])
719         LIBS="$saved_LIBS"
720         LDFLAGS="$saved_LDFLAGS"
721         CFLAGS="$saved_CFLAGS"
722         
723         if test "x$ac_cv_openssldir" != "xno" ; then
724                 AC_DEFINE(HAVE_OPENSSL, [], [Define if you have OpenSSL.])
725                 LIBS="-lssl -lcrypto $LIBS"
726                 dnl Need to recover ssldir - test above runs in subshell
727                 ssldir=$ac_cv_openssldir
728                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr" -a "x$ssldir" != "x(system)"; then
729                         # Try to use $ssldir/lib if it exists, otherwise
730                         # $ssldir
731                         if test -d "$ssldir/lib" ; then
732                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
733                                 if test ! -z "$need_dash_r" ; then
734                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
735                                 fi
736                         else
737                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
738                                 if test ! -z "$need_dash_r" ; then
739                                         LDFLAGS="-R$ssldir $LDFLAGS"
740                                 fi
741                         fi
742                         # Try to use $ssldir/include if it exists, otherwise
743                         # $ssldir
744                         if test -d "$ssldir/include" ; then
745                                 CFLAGS="-I$ssldir/include $saved_CFLAGS"
746                         else
747                                 CFLAGS="-I$ssldir $saved_CFLAGS"
748                         fi
749                 fi
750         fi
751 fi
752
753 if test "x$with_db" != xno; then
754         test "$db_dir" && LDFLAGS="$LDFLAGS -L$db_dir/lib"
755
756         dblib=""
757
758         if test -d "$db_dir/include/db4"; then
759                 CPPFLAGS="$CPPFLAGS -I$db_dir/include/db4"
760                 dblib="db4"
761         elif test "$db_dir"; then
762                 CPPFLAGS="$CPPFLAGS -I$db_dir/include"
763         elif test -d /usr/include/db4; then
764                 CPPFLAGS="$CPPFLAGS -I/usr/include/db4"
765                 dblib="db4"
766         fi
767
768
769         AC_CHECK_DB([db db-4.1 db-4 db4],
770                     [
771                      DATABASE=database.c
772                     ],
773                     AC_MSG_ERROR([[Can not locate a suitable Berkeley DB
774                                   library.  Use --with-db=PATH to specify
775                                   the path]]))
776
777 fi
778
779
780
781
782 dnl Checks for the OpenLDAP client library.
783 if test "x$with_ldap" != xno ; then
784         AC_CHECK_HEADERS(ldap.h,
785                 [AC_CHECK_LIB(ldap, ldap_init,
786                         [ok_ldap=yes],,
787         )])
788 fi
789
790 if test "x$ok_ldap" = xyes ; then
791         SERVER_LIBS="-lldap $SERVER_LIBS"
792         AC_DEFINE(HAVE_LDAP, [], [define this if you have OpenLDAP client available])
793 fi
794
795
796
797
798
799
800 dnl Checks for the libdspam mail spam scanning library.
801 dnl if test "x$with_libdspam" != xno ; then
802 dnl     AC_CHECK_HEADERS(dspam/libdspam.h,
803 dnl             [AC_CHECK_LIB(dspam, dspam_init,
804 dnl                     [ok_libdspam=yes],,
805 dnl     )])
806 dnl fi
807 dnl 
808 dnl if test "x$ok_libdspam" = xyes ; then
809 dnl     SERVER_LIBS="-ldspam $SERVER_LIBS"
810 dnl     AC_DEFINE(HAVE_LIBDSPAM, [], [(unfinished) define this if you have the libdspam mail spam scanning library available])
811 dnl fi
812
813
814
815 dnl Checks for the Expat XML parser.
816 AC_CHECK_HEADER(expat.h,
817         [AC_CHECK_LIB(expat, XML_ParserCreateNS,
818                 [
819                         SERVER_LIBS="-lexpat $SERVER_LIBS"
820                 ],
821                 [
822                         AC_MSG_ERROR(The Expat XML parser was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
823                 ]
824         ,
825         )],
826         [
827                 AC_MSG_ERROR(expat.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
828         ]
829 )
830
831
832
833
834
835
836
837 dnl Checks for libcurl.
838 AC_CHECK_HEADER(curl/curl.h,
839         [AC_CHECK_LIB(curl, curl_version,
840                 [
841                         SERVER_LIBS="-lcurl $SERVER_LIBS"
842                 ],
843                 [
844                         AC_MSG_ERROR(libcurl was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
845                 ]
846         ,
847         )],
848         [
849                 AC_MSG_ERROR(curl/curl.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
850         ]
851 )
852
853
854
855
856
857
858
859
860
861
862 dnl Checks for header files.
863 AC_HEADER_DIRENT
864 AC_HEADER_STDC
865 AC_HEADER_SYS_WAIT
866
867 dnl
868 dnl TODO: for the DB header checks, we should check whether the headers
869 dnl define db_env_create, somehow
870 dnl
871 AC_CHECK_HEADERS(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 syscall.h sys/syscall.h)
872
873 AC_CHECK_HEADER(resolv.h,AC_DEFINE(HAVE_RESOLV_H, [], [define this if you have the resolv.h header file.]),,
874 [#ifdef HAVE_SYS_TYPES_H
875 #include <sys/types.h>
876 #endif
877 #ifdef HAVE_NETINET_IN_H
878 #include <netinet/in.h>
879 #endif
880 #ifdef HAVE_ARPA_NAMESER_H
881 #include <arpa/nameser.h>
882 #endif])
883
884
885 dnl Checks for typedefs, structures, and compiler characteristics.
886 AC_C_CONST
887 AC_TYPE_PID_T
888 AC_TYPE_SIZE_T
889 AC_HEADER_TIME
890
891 dnl defined in acinclude.m4:
892 CIT_STRUCT_TM
893
894 AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_ut_type,
895 [AC_TRY_COMPILE([#include <sys/types.h>
896 #include <utmp.h>], [struct utmp ut; ut.ut_type;],
897 ac_cv_struct_ut_type=yes, ac_cv_struct_ut_type=no)])
898 if test $ac_cv_struct_ut_type = yes; then
899         AC_DEFINE(HAVE_UT_TYPE, [], [define this if struct utmp has an ut_type member])
900 fi
901
902 AC_CACHE_CHECK(
903         [for call semantics from getpwuid_r], 
904         ac_cv_call_getpwuid_r,
905         [AC_TRY_COMPILE([#include <sys/types.h>
906 #include <pwd.h>], 
907                          [
908                                 struct passwd pw, *pwp;
909                                 char pwbuf[64];
910                                 uid_t uid;
911
912                                 getpwuid_r(uid, &pw, pwbuf, sizeof(pwbuf), &pwp);
913                         ],
914                         ac_cv_call_getpwuid_r=yes, 
915                         ac_cv_call_getpwuid_r=no)
916         ])
917
918 if test $ac_cv_call_getpwuid_r = no; then
919         AC_DEFINE(SOLARIS_GETPWUID,[],[do we need to use solaris call syntax?])
920         AC_DEFINE(F_UID_T, "%ld", [whats the matching format string for uid_t?])
921         AC_DEFINE(F_PID_T, "%ld",  [whats the matching format string for pid_t?])
922         AC_DEFINE(F_XPID_T, "%lx",  [whats the matching format string for xpid_t?])
923 else
924         AC_DEFINE(F_UID_T, "%d",  [whats the matching format string for uid_t?])
925         AC_DEFINE(F_PID_T, "%d",  [whats the matching format string for pid_t?])
926         AC_DEFINE(F_XPID_T, "%x",  [whats the matching format string for xpid_t?])
927 fi
928
929
930 dnl Our own happy little check for the resolver library.
931
932 case "`uname -a`" in 
933  OpenBSD*)
934         echo "we don't need to check for resolv on openbsd"  
935         ;;
936  FreeBSD*)
937         echo "we don't need to check for resolv on freeBSD"  
938         ;;
939  *)
940         test -f /usr/local/lib/libresolv.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
941         AC_CHECK_LIB(resolv, res_query,
942                 RESOLV="$RESOLV -lresolv",
943                 [dnl Have to include resolv.h as res_query is sometimes defined as a macro
944                         AC_MSG_CHECKING([for res_query in -lresolv (with resolv.h if present)])
945                         saved_libs="$LIBS"
946                         LIBS="-lresolv $LIBS"
947                         AC_TRY_LINK([
948                                 #ifdef HAVE_RESOLV_H
949                                 #include <resolv.h>
950                                 #endif],
951                                 [res_query(0,0,0,0,0)],
952                                 [AC_MSG_RESULT(yes)
953                                                 have_res_query=yes],
954                                 [AC_MSG_RESULT(no)
955                                         AC_MSG_ERROR(libresolv was not found.  Citadel requires the resolver library.)
956                                 ])
957          ]
958         )
959         ;;
960 esac
961
962
963
964 AC_CACHE_CHECK([for ut_host in struct utmp], ac_cv_struct_ut_host,
965 [AC_TRY_COMPILE([#include <sys/types.h>
966 #include <utmp.h>], [struct utmp ut; ut.ut_host;],
967 ac_cv_struct_ut_host=yes, ac_cv_struct_ut_host=no)])
968 if test $ac_cv_struct_ut_host = yes; then
969         AC_DEFINE(HAVE_UT_HOST, [], [define this if struct utmp has an ut_host member])
970 fi
971
972 dnl Checks for library functions.
973 AC_FUNC_GETPGRP
974 AC_PROG_GCC_TRADITIONAL
975 AC_TYPE_SIGNAL
976 AC_FUNC_VPRINTF
977 AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror strcasecmp strncasecmp)
978
979 dnl Now check for pthreads
980
981 dnl On some platforms, AC_CHECK_FUNC[S] doesn't work for pthreads programs;
982 dnl we need to include pthread.h
983
984 AC_CACHE_CHECK([for pthread_cancel], ac_cv_func_pthread_cancel,
985 [AC_TRY_LINK([#include <pthread.h>],
986 [       pthread_t thread;
987
988         /* The GNU C library defines this for functions which it implements
989            to always fail with ENOSYS.  Some functions are actually named
990            something starting with __ and the normal name is an alias.  */
991 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
992         choke me
993 #else
994         pthread_cancel(thread);
995 #endif],
996 ac_cv_func_pthread_cancel=yes, ac_cv_func_pthread_cancel=no)])
997 if test "$ac_cv_func_pthread_cancel" = yes; then
998         AC_DEFINE(HAVE_PTHREAD_CANCEL, [], [define this if you have the pthread_cancel() function])
999 fi
1000
1001 AC_CACHE_CHECK([for pthread_create], ac_cv_func_pthread_create,
1002 [AC_TRY_LINK([#include <pthread.h>],
1003 [       /* The GNU C library defines this for functions which it implements
1004            to always fail with ENOSYS.  Some functions are actually named
1005            something starting with __ and the normal name is an alias.  */
1006 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
1007         choke me
1008 #else
1009         pthread_create(NULL, NULL, NULL, NULL);
1010 #endif],
1011 ac_cv_func_pthread_create=yes, ac_cv_func_pthread_create=no)])
1012 if test "$ac_cv_func_pthread_create" = yes; then
1013         test "$DATABASE" && TARGETS="client server utils"
1014         if test "x$enable_threaded_client" != xno; then
1015                 AC_DEFINE(THREADED_CLIENT, [], [define this if you want to enable the multithreaded client])
1016         fi
1017 fi
1018
1019 AC_REPLACE_FUNCS(snprintf getutline)
1020
1021 AC_CACHE_CHECK([the weather], ac_cv_weather, [
1022         sleep 1
1023         echo $ECHO_N "opening your window... $ECHO_C" >&6
1024         sleep 2
1025         month=`date | cut -f 2 -d ' '`
1026         case $month in
1027         Dec | Jan | Feb)
1028                 ac_cv_weather="it's cold!"
1029                 ;;
1030         Mar | Apr)
1031                 ac_cv_weather="it's wet!"
1032                 ;;
1033         Jul | Aug)
1034                 ac_cv_weather="it's hot!"
1035                 ;;
1036         Oct | Nov)
1037                 ac_cv_weather="it's cool"
1038                 ;;
1039         May | Jun | Sep | *)
1040                 ac_cv_weather="it's fine"
1041                 ;;
1042         esac
1043         ])
1044
1045
1046
1047
1048 AC_CACHE_CHECK([under the bed], ac_cv_under_the_bed, [
1049         number=`date | cut -c 19`
1050         case $number in
1051         7)
1052                 ac_cv_under_the_bed="lunatics and monsters found"
1053                 ;;
1054         *)
1055                 ac_cv_under_the_bed="dust bunnies found"
1056                 ;;
1057         esac
1058         ])
1059
1060
1061 STRUCT_UCRED
1062
1063 dnl Done! Now write the Makefile and sysdep.h
1064 AC_SUBST(RESOLV)
1065 AC_SUBST(chkpwd_LIBS)
1066 AC_SUBST(TARGETS)
1067 AC_SUBST(DATABASE)
1068 AC_SUBST(SERVER_LDFLAGS)
1069 AC_SUBST(SERVER_LIBS)
1070 AC_SUBST(SETUP_LIBS)
1071 AC_SUBST(DIFF)
1072 AC_SUBST(PATCH)
1073 AC_CONFIG_FILES([Makefile])
1074 AC_OUTPUT(database_cleanup.sh po/citadel-setup/Makefile)
1075
1076 if test -z "$DATABASE"; then
1077         AC_MSG_WARN([No database driver was found. Please install Berkeley DB.])
1078 fi
1079
1080 abs_srcdir="`cd $srcdir && pwd`"
1081 abs_builddir="`pwd`"
1082 if test "$abs_srcdir" != "$abs_builddir"; then
1083    ln -sf $abs_srcdir/include $abs_builddir
1084    ln -sf $abs_srcdir/Make_sources $abs_builddir
1085    ln -sf $abs_srcdir/Make_modules $abs_builddir
1086    for i in $abs_srcdir/*.h ; do
1087       if test "$abs_srcdir/sysdep.h" != "$i"; then
1088          ln -sf $i $abs_builddir
1089       fi
1090    done
1091    for d in `/bin/ls $abs_srcdir/modules/`; do 
1092         (mkdir -p $abs_builddir/modules/$d) 
1093    done
1094    if test -d "$abs_srcdir/user_modules/"; then
1095       for d in `/bin/ls $abs_srcdir/user_modules/`; do 
1096         (mkdir -p $abs_builddir/user_modules/$d) 
1097         done
1098    fi
1099    mkdir -p $abs_builddir/utils
1100    mkdir -p $abs_builddir/utillib
1101    mkdir -p $abs_builddir/textclient
1102 fi
1103
1104 if test -n "$srcdir"; then 
1105    export srcdir=.
1106 fi
1107
1108
1109 echo ------------------------------------------------------------------------
1110 echo 'LDAP support:                    ' $ok_ldap
1111 echo 'Character set conversion support:' $ok_iconv
1112 echo 'Boehm-Demers-Weiser support:     ' $ok_gc
1113 dnl echo 'DSpam Scanning support:          ' $ok_libdspam
1114 echo 
1115 echo 'Note: if you are not using Linux, make sure you are using GNU make'
1116 echo '(gmake) to compile Citadel.'
1117 echo