client-move: edits to finish this.
[citadel] / citadel / configure.ac
1 dnl Process this file with autoconf to produce a configure script.
2 AC_PREREQ(2.52)
3 AC_INIT([Citadel], [8.13], [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 AC_ARG_ENABLE(pie, [  --enable-pie            build position-independent executables])
251
252 AC_ARG_WITH(pam, [  --with-pam              use PAM if present (see PAM.txt before you try this)])
253 AC_ARG_WITH(kthread, [  --with-kthread          use kernel threads (on FreeBSD) (not recommended yet)])
254 AC_ARG_WITH(db, [  --with-db@<:@=DIR@:>@         use Berkeley DB 3.x @<:@DIR=/usr/local/BerkeleyDB.3.@<:@123@:>@@:>@])
255 AC_ARG_WITH(ssl,
256         [  --with-ssl=PATH         Specify path to OpenSSL installation ],
257         [
258                 if test "x$withval" != "xno" ; then
259                         tryssldir=$withval
260                 fi
261         ]
262 )
263 AC_ARG_WITH(with_ldap, [  --with-ldap             use OpenLDAP client library])
264 dnl AC_ARG_WITH(with_libdspam, [  --with-libdspam         use libdspam mail spam scanning library])
265 AC_ARG_WITH(with_gc, [  --with-gc             use the Boehm-Demers-Weiser garbage collection library])
266
267 if test "x$with_db" != xno -a "x$with_db" != xyes -a "$with_db"; then
268         db_dir="$with_db"
269         with_db=yes
270 else
271         test -f /usr/local/lib/libdb.a -o -f /usr/local/lib/libdb.so \
272           -o -f /usr/local/lib/libdb4.a -o -f /usr/local/lib/libdb4.so \
273           && db_dir=/usr/local
274
275         test -d /usr/local/BerkeleyDB.4.1 && db_dir=/usr/local/BerkeleyDB.4.1
276         test -d /usr/local/BerkeleyDB.4.2 && db_dir=/usr/local/BerkeleyDB.4.2
277         test -d /usr/local/BerkeleyDB.4.3 && db_dir=/usr/local/BerkeleyDB.4.3
278         test -d /usr/local/BerkeleyDB.4.4 && db_dir=/usr/local/BerkeleyDB.4.4
279         test -d /usr/local/BerkeleyDB.4.5 && db_dir=/usr/local/BerkeleyDB.4.5
280 fi
281
282 AC_CANONICAL_HOST
283 PTHREAD_DEFS=-D_REENTRANT
284 AC_MSG_CHECKING([how to compile with POSIX threads])
285 case "$host" in
286         dnl BSDI 3.0 wants relocatable object modules instead of shared libs
287         dnl for dlopen(), and has a wrapper script to link with shared libs.
288         dnl Also has stupid non-reentrant gethostbyaddr() and friends.
289         *-*-bsdi[123]*)
290                 test -z "$CC" -a -x /usr/bin/shlicc2 && CC=shlicc2
291                 AC_DEFINE(HAVE_NONREENTRANT_NETDB,[], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
292                 AC_MSG_RESULT([Old BSDI])
293         ;;
294         *-*-bsdi*)
295                 AC_DEFINE(HAVE_NONREENTRANT_NETDB, [], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
296                 AC_MSG_RESULT([BSD/OS])
297         ;;
298         dnl Curses support on Mac OS X is kind of screwed at the moment.
299         dnl TCP buffering isn't ideal under OS X. This define should also be
300         dnl checked in other cases of OS X-Linux differences.
301         *-*-darwin*)
302                 AC_DEFINE(HAVE_DARWIN, [], [define if using OS X/Darwin])
303                 AC_MSG_RESULT([Mac OS X])
304         ;;
305         dnl Digital Unix has an odd way to build for pthreads, and we can't
306         dnl build pthreads programs with gcc due to header problems.
307         alpha*-dec-osf*)
308                 test -z "$CC" && CC=cc
309                 LIBS="-lpthread -lexc $LIBS"
310                 check_pthread=no
311                 AC_MSG_RESULT([Tru64 or Digital UNIX])
312         ;;
313         dnl FreeBSD is similar to Digital UNIX with DEC C, which has a -pthread flag:
314         *-*-freebsd*)
315                 if test "$with_kthread" = yes; then
316                         LIBS="-kthread $LIBS"
317                 else
318                         LIBS="-pthread $LIBS"
319                 fi
320                 check_pthread=no
321                 PTHREAD_DEFS=-D_THREAD_SAFE
322                 AC_MSG_RESULT([FreeBSD])
323         ;;
324         *-*-openbsd*)
325                 LIBS="-pthread $LIBS"
326                 check_pthread=no
327                 PTHREAD_DEFS=-pthread
328                 AC_MSG_RESULT([OpenBSD])
329         ;;
330         *-*-linux*)
331                 PTHREAD_DEFS="-D_REENTRANT -pthread"
332                 AC_MSG_RESULT([Linux])
333         ;;
334         *-*-solaris*)
335                 PTHREAD_DEFS="-D_REENTRANT -D_PTHREADS"
336                 AC_MSG_RESULT([Solaris])
337         ;;
338         *-*-cygwin*)
339                 SERVER_LDFLAGS="-Wl,-subsystem,windows"
340                 AC_MSG_RESULT([Cygwin])
341         ;;
342         *)
343                 AC_MSG_RESULT([default])
344         ;;
345 esac
346 dnl DEFS="$DEFS $PTHREAD_DEFS"
347
348
349 dnl Checks for programs.
350 AC_PROG_CC
351
352
353
354 dnl Set up system-dependent compiler flags.
355 if test "$GCC" = yes; then
356         if test "$CC" = icc; then
357                 CFLAGS="$CFLAGS -w1"
358         else
359                 case "$host" in
360                         *-*-solaris*|alpha*-dec-osf*)
361                                 CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wno-char-subscripts $PTHREAD_DEFS"
362                         ;;
363                         *)
364                         CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wstrict-prototypes -Wno-strict-aliasing $PTHREAD_DEFS"
365                         ;;
366                 esac
367         fi
368 fi
369
370 if test "x$enable_pie" = xyes; then
371         save_CFLAGS="$CFLAGS"
372         save_LDFLAGS="$LDFLAGS"
373         CFLAGS="$CFLAGS -fpie"
374         LDFLAGS="$LDFLAGS -pie -fpie"
375         AC_CACHE_CHECK([whether compiler accepts -pie -fpie], ac_cv_pie_fpie,
376         [AC_TRY_LINK([], [],
377         ac_cv_pie_fpie=yes, ac_cv_pie_fpie=no)])
378         if test $ac_cv_pie_fpie = no; then
379                 CFLAGS="$save_CFLAGS"
380                 LDFLAGS="$save_LDFLAGS"
381         fi
382 fi
383
384 AC_MSG_CHECKING([how to create dependancy checks])
385                  if test -n "`$CC -V 2>&1 |grep Sun`"; then 
386                         DEPEND_FLAG=-xM;
387                  else 
388                         DEPEND_FLAG=-M
389                  fi
390 AC_SUBST(DEPEND_FLAG)
391
392
393 AC_PROG_INSTALL
394 AC_PROG_YACC
395 AC_PATH_PROG(DIFF,diff)
396 AC_PATH_PROG(PATCH,patch)
397 missing_dir=`cd $ac_aux_dir && pwd`
398 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
399 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
400
401 dnl Checks for system services.
402
403 dnl Check the size of various builtin types; see typesize.h (error)
404 AC_CHECK_SIZEOF(char, 0)
405 AC_CHECK_SIZEOF(short, 0)
406 AC_CHECK_SIZEOF(int, 0)
407 AC_CHECK_SIZEOF(long, 0)
408 AC_CHECK_SIZEOF(size_t, 0)
409 dnl AC_CHECK_SIZEOF(long long, 0)
410
411 dnl Checks for libraries.
412
413 dnl We want to test for the following in libc before checking for their
414 dnl respective libraries, because some systems (like Irix) have both, and the
415 dnl non-libc versions may be broken.
416 AC_CHECK_FUNCS(crypt gethostbyname connect flock getpwnam_r getpwuid_r getloadavg)
417
418 AC_CHECK_FUNCS(strftime_l uselocale gettext)
419
420 if test "$ok_nls" != "no"; then
421         AC_CHECK_PROG(ok_xgettext, xgettext, yes, no)
422         ok_nls=$ok_xgettext
423 fi
424
425 if test "$ok_nls" != "no"; then
426         AC_CHECK_PROG(ok_msgmerge, msgmerge, yes, no)
427         ok_nls=$ok_msgmerge
428 fi
429
430 if test "$ok_nls" != "no"; then
431         AC_CHECK_PROG(ok_msgfmt, msgfmt, yes, no)
432         ok_nls=$ok_msgfmt
433 fi
434
435 if test "$ok_nls" != "no"; then
436         AC_MSG_RESULT(citadel will be built with national language support.)
437         AC_DEFINE(ENABLE_NLS, [], [whether we have NLS support])
438         PROG_SUBDIRS="$PROG_SUBDIRS po/citadel-setup"
439 else
440         AC_MSG_RESULT(citadel will be built without national language support.)
441 fi
442
443 dnl disable backtrace if we don't want it.
444 AC_ARG_WITH(backtrace, 
445                     [  --with-backtrace        enable backtrace dumps in the syslog],
446                         [ if test "x$withval" != "xno" ; then
447                              CFLAGS="$CFLAGS  -rdynamic "
448                              LDFLAGS="$LDFLAGS  -rdynamic "
449                              SERVER_LDFLAGS="$SERVER_LDFLAGS  -rdynamic "
450                              AC_CHECK_FUNCS(backtrace)
451                           fi
452                         ]
453 )
454
455 dnl disable backtrace if we don't want it.
456 AC_ARG_WITH(gprof, 
457                     [  --with-gprof            enable profiling],
458                         [ if test "x$withval" != "xno" ; then
459                              CFLAGS="$CFLAGS  -pg "
460                              LDFLAGS="$LDFLAGS  -pg "
461                              SERVER_LDFLAGS="$SERVER_LDFLAGS  -pg "
462                           fi
463                         ]
464 )
465
466 if test "$ac_cv_func_gethostbyname" = no; then
467         AC_CHECK_LIB(nsl, gethostbyname)
468 fi
469
470 if test "$ac_cv_func_connect" = no; then
471         AC_CHECK_LIB(socket, connect)
472 fi
473
474 dnl Check for Solaris realtime support
475 AC_CHECK_LIB(rt, sched_yield)
476
477 dnl Determine the system's authentication capabilities.
478 dnl We currently support PAM, standard getpwnam(), and getspnam()
479 dnl (Linux shadow passwords)
480
481 save_LIBS=$LIBS
482 AC_CHECK_LIB(pam, pam_start, [chkpwd_LIBS="-lpam $chkpwd_LIBS"
483         LIBS="-lpam $LIBS"])
484 AC_CHECK_FUNCS(pam_start)
485 test "$enable_chkpwd" != no && LIBS=$save_LIBS
486         if test "$ac_cv_func_pam_start" = no -o "$with_pam" != yes; then
487                 save_LIBS=$LIBS
488                 AC_SEARCH_LIBS(getspnam, shadow, [
489                         if test "$ac_cv_search_getspnam" = -lshadow; then
490                                 chkpwd_LIBS="-lshadow $chkpwd_LIBS"
491                         fi])
492                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
493                 if test "$ac_cv_func_crypt" = no; then
494                         AC_CHECK_LIB(crypt, crypt, [
495                                 chkpwd_LIBS="-lcrypt $chkpwd_LIBS"
496                                 test "$enable_chkpwd" = no && \
497                                         LIBS="-lcrypt $LIBS"])
498                 fi
499         fi
500
501 AC_CHECK_FUNCS(vw_printw wcolor_set resizeterm wresize)
502
503 dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
504 dnl which the -pthread flag takes care of this.)
505 if test "$check_pthread" != no; then
506         AC_CHECK_LIB(pthread, pthread_create)
507         AC_CHECK_LIB(pthreads, pthread_create)
508 fi
509
510 test -d /usr/kerberos/include && CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
511
512 dnl Checks for the libical iCalendar library.
513 AC_CHECK_HEADER(libical/ical.h,
514         [AC_CHECK_LIB(ical, icaltimezone_set_tzid_prefix,
515                 [
516                         SERVER_LIBS="-lical $SERVER_LIBS"
517                 ],
518                 [
519                         AC_MSG_ERROR(libical was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
520                 ]
521         ,
522         )],
523         [
524                 AC_MSG_ERROR(libical/ical.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
525         ]
526 )
527
528
529 dnl Checks for the libsieve mailbox sorting library.
530 AC_CHECK_HEADER(sieve2.h,
531         [AC_CHECK_LIB(sieve, sieve2_license,
532                 [
533                         SERVER_LIBS="-lsieve $SERVER_LIBS"
534                 ],
535                 [
536                         AC_MSG_ERROR(libsieve was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
537                 ]
538         ,
539         )],
540         [
541                 AC_MSG_ERROR(sieve2.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
542         ]
543 )
544
545 saved_CFLAGS="$CFLAGS"
546 CFLAGS="$CFLAGS $SERVER_LIBS"
547 dnl Check for libcitadel
548 AC_CHECK_HEADER(libcitadel.h,
549         [AC_CHECK_LIB(citadel, libcitadel_version_string,
550                 [
551                         LIBS="-lcitadel $LIBS $SERVER_LIBS"
552                         chkpwd_LIBS="-lcitadel $chkpwd_LIBS"
553                 ],
554                 [
555                         AC_MSG_ERROR(libcitadel was not found or is not usable.  Please install libcitadel.)
556                 ]
557         ,
558         )],
559         [
560                 AC_MSG_ERROR(libcitadel.h was not found or is not usable.  Please install libcitadel.)
561         ]
562 )
563
564 CFLAGS="$saved_CFLAGS"
565
566
567 AC_CHECK_LIB(cares, ares_parse_mx_reply,
568             [
569                     C_ARES_LIBS=-lcares
570                     AC_DEFINE(HAVE_C_ARES, 1, [Define to use c-ares library])
571                     have_good_c_ares=yes
572             ],, $SOCKET_LIBS $NSL_LIBS
573 )
574
575
576
577 saved_CFLAGS="$CFLAGS"
578 CFLAGS="$CFLAGS $SERVER_LIBS"
579 dnl Check for c-ares
580 AC_CHECK_HEADER(ares.h,
581         [AC_CHECK_LIB(cares, ares_parse_mx_reply,
582                 [
583                         LIBS="-lcares $LIBS $SERVER_LIBS"
584                 ],
585                 [
586                         AC_MSG_ERROR(libc-ares was not found or is not usable.  Please install libc-ares.)
587                 ]
588         )],
589         [
590                 AC_MSG_ERROR(ares.h was not found or is not usable.  Please install libc-ares.)
591         ]
592 )
593 CFLAGS="$saved_CFLAGS"
594
595 saved_CFLAGS="$CFLAGS"
596 CFLAGS="$CFLAGS $SERVER_LIBS"
597 dnl Check for libev
598 AC_CHECK_HEADER(ev.h,
599         [AC_TRY_COMPILE([#include <math.h>
600 #include <ev.h>], 
601                          [
602                          ev_cleanup abort_by_shutdown;
603                          struct ev_loop *event_base;
604                          ev_cleanup_start(event_base, &abort_by_shutdown);
605                         ],
606                         [
607                         LIBS="-lev -lm $LIBS $SERVER_LIBS"
608                         ],
609                 [
610                         AC_MSG_ERROR(libev was not found or is not usable.  Please install libev.)
611                 ])
612         ],
613         [
614                 AC_MSG_ERROR(ev.h was not found or is not usable.  Please install libev.)
615         ]
616 )
617 CFLAGS="$saved_CFLAGS"
618
619
620 # The big search for OpenSSL
621 if test "$with_ssl" != "no"; then
622         saved_LIBS="$LIBS"
623         saved_LDFLAGS="$LDFLAGS"
624         saved_CFLAGS="$CFLAGS"
625         if test "x$prefix" != "xNONE"; then
626                 tryssldir="$tryssldir $prefix"
627         fi
628         AC_CACHE_CHECK([for OpenSSL], ac_cv_openssldir, [
629                 for ssldir in $tryssldir "" /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
630                         CFLAGS="$saved_CFLAGS"
631                         LDFLAGS="$saved_LDFLAGS"
632                         LIBS="$saved_LIBS -lssl -lcrypto"
633         
634                         # Skip directories if they don't exist
635                         if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
636                                 continue;
637                         fi
638                         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
639                                 # Try to use $ssldir/lib if it exists, otherwise
640                                 # $ssldir
641                                 if test -d "$ssldir/lib" ; then
642                                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
643                                         if test ! -z "$need_dash_r" ; then
644                                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
645                                         fi
646                                 else
647                                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
648                                         if test ! -z "$need_dash_r" ; then
649                                                 LDFLAGS="-R$ssldir $LDFLAGS"
650                                         fi
651                                 fi
652                                 # Try to use $ssldir/include if it exists, otherwise
653                                 # $ssldir
654                                 if test -d "$ssldir/include" ; then
655                                         CFLAGS="-I$ssldir/include $saved_CFLAGS"
656                                 else
657                                         CFLAGS="-I$ssldir $saved_CFLAGS"
658                                 fi
659                         fi
660         
661                         # Basic test to check for compatible version and correct linking
662                         # *does not* test for RSA - that comes later.
663                         AC_TRY_RUN(
664                                 [
665         #include <string.h>
666         #include <openssl/rand.h>
667         int main(void)
668         {
669                 char a[2048];
670                 memset(a, 0, sizeof(a));
671                 RAND_add(a, sizeof(a), sizeof(a));
672                 return(RAND_status() <= 0);
673         }
674                                 ],
675                                 [
676                                         found_crypto=1
677                                         break;
678                                 ], []
679                         )
680         
681                         if test ! -z "$found_crypto" ; then
682                                 break;
683                         fi
684                 done
685         
686                 if test -z "$ssldir" ; then
687                         ssldir="(system)"
688                 fi
689         
690                 if test ! -z "$found_crypto" ; then
691                         ac_cv_openssldir=$ssldir
692                 else
693                         ac_cv_openssldir="no"
694                 fi
695         ])
696         LIBS="$saved_LIBS"
697         LDFLAGS="$saved_LDFLAGS"
698         CFLAGS="$saved_CFLAGS"
699         
700         if test "x$ac_cv_openssldir" != "xno" ; then
701                 AC_DEFINE(HAVE_OPENSSL, [], [Define if you have OpenSSL.])
702                 LIBS="-lssl -lcrypto $LIBS"
703                 dnl Need to recover ssldir - test above runs in subshell
704                 ssldir=$ac_cv_openssldir
705                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr" -a "x$ssldir" != "x(system)"; then
706                         # Try to use $ssldir/lib if it exists, otherwise
707                         # $ssldir
708                         if test -d "$ssldir/lib" ; then
709                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
710                                 if test ! -z "$need_dash_r" ; then
711                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
712                                 fi
713                         else
714                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
715                                 if test ! -z "$need_dash_r" ; then
716                                         LDFLAGS="-R$ssldir $LDFLAGS"
717                                 fi
718                         fi
719                         # Try to use $ssldir/include if it exists, otherwise
720                         # $ssldir
721                         if test -d "$ssldir/include" ; then
722                                 CFLAGS="-I$ssldir/include $saved_CFLAGS"
723                         else
724                                 CFLAGS="-I$ssldir $saved_CFLAGS"
725                         fi
726                 fi
727         fi
728 fi
729
730 if test "x$with_db" != xno; then
731         test "$db_dir" && LDFLAGS="$LDFLAGS -L$db_dir/lib"
732
733         dblib=""
734
735         if test -d "$db_dir/include/db4"; then
736                 CPPFLAGS="$CPPFLAGS -I$db_dir/include/db4"
737                 dblib="db4"
738         elif test "$db_dir"; then
739                 CPPFLAGS="$CPPFLAGS -I$db_dir/include"
740         elif test -d /usr/include/db4; then
741                 CPPFLAGS="$CPPFLAGS -I/usr/include/db4"
742                 dblib="db4"
743         fi
744
745
746         AC_CHECK_DB([db db-4.1 db-4 db4],
747                     [
748                      DATABASE=database.c
749                     ],
750                     AC_MSG_ERROR([[Can not locate a suitable Berkeley DB
751                                   library.  Use --with-db=PATH to specify
752                                   the path]]))
753
754 fi
755
756
757
758
759 dnl Checks for the OpenLDAP client library.
760 if test "x$with_ldap" != xno ; then
761         AC_CHECK_HEADERS(ldap.h,
762                 [AC_CHECK_LIB(ldap, ldap_init,
763                         [ok_ldap=yes],,
764         )])
765 fi
766
767 if test "x$ok_ldap" = xyes ; then
768         SERVER_LIBS="-lldap $SERVER_LIBS"
769         AC_DEFINE(HAVE_LDAP, [], [define this if you have OpenLDAP client available])
770 fi
771
772
773
774
775
776
777 dnl Checks for the libdspam mail spam scanning library.
778 dnl if test "x$with_libdspam" != xno ; then
779 dnl     AC_CHECK_HEADERS(dspam/libdspam.h,
780 dnl             [AC_CHECK_LIB(dspam, dspam_init,
781 dnl                     [ok_libdspam=yes],,
782 dnl     )])
783 dnl fi
784 dnl 
785 dnl if test "x$ok_libdspam" = xyes ; then
786 dnl     SERVER_LIBS="-ldspam $SERVER_LIBS"
787 dnl     AC_DEFINE(HAVE_LIBDSPAM, [], [(unfinished) define this if you have the libdspam mail spam scanning library available])
788 dnl fi
789
790
791
792 dnl Checks for the Expat XML parser.
793 AC_CHECK_HEADER(expat.h,
794         [AC_CHECK_LIB(expat, XML_ParserCreateNS,
795                 [
796                         SERVER_LIBS="-lexpat $SERVER_LIBS"
797                 ],
798                 [
799                         AC_MSG_ERROR(The Expat XML parser was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
800                 ]
801         ,
802         )],
803         [
804                 AC_MSG_ERROR(expat.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
805         ]
806 )
807
808
809
810
811
812
813
814 dnl Checks for libcurl.
815 AC_CHECK_HEADER(curl/curl.h,
816         [AC_CHECK_LIB(curl, curl_version,
817                 [
818                         SERVER_LIBS="-lcurl $SERVER_LIBS"
819                 ],
820                 [
821                         AC_MSG_ERROR(libcurl was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
822                 ]
823         ,
824         )],
825         [
826                 AC_MSG_ERROR(curl/curl.h was not found and is required.  More info: http://www.citadel.org/doku.php/installation:start)
827         ]
828 )
829
830
831
832
833
834
835
836
837
838
839 dnl Checks for header files.
840 AC_HEADER_DIRENT
841 AC_HEADER_STDC
842 AC_HEADER_SYS_WAIT
843
844 dnl
845 dnl TODO: for the DB header checks, we should check whether the headers
846 dnl define db_env_create, somehow
847 dnl
848 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)
849
850 AC_CHECK_HEADER(resolv.h,AC_DEFINE(HAVE_RESOLV_H, [], [define this if you have the resolv.h header file.]),,
851 [#ifdef HAVE_SYS_TYPES_H
852 #include <sys/types.h>
853 #endif
854 #ifdef HAVE_NETINET_IN_H
855 #include <netinet/in.h>
856 #endif
857 #ifdef HAVE_ARPA_NAMESER_H
858 #include <arpa/nameser.h>
859 #endif])
860
861
862 dnl Checks for typedefs, structures, and compiler characteristics.
863 AC_C_CONST
864 AC_TYPE_PID_T
865 AC_TYPE_SIZE_T
866 AC_HEADER_TIME
867
868 dnl defined in acinclude.m4:
869 CIT_STRUCT_TM
870
871 AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_ut_type,
872 [AC_TRY_COMPILE([#include <sys/types.h>
873 #include <utmp.h>], [struct utmp ut; ut.ut_type;],
874 ac_cv_struct_ut_type=yes, ac_cv_struct_ut_type=no)])
875 if test $ac_cv_struct_ut_type = yes; then
876         AC_DEFINE(HAVE_UT_TYPE, [], [define this if struct utmp has an ut_type member])
877 fi
878
879 AC_CACHE_CHECK(
880         [for call semantics from getpwuid_r], 
881         ac_cv_call_getpwuid_r,
882         [AC_TRY_COMPILE([#include <sys/types.h>
883 #include <pwd.h>], 
884                          [
885                                 struct passwd pw, *pwp;
886                                 char pwbuf[64];
887                                 uid_t uid;
888
889                                 getpwuid_r(uid, &pw, pwbuf, sizeof(pwbuf), &pwp);
890                         ],
891                         ac_cv_call_getpwuid_r=yes, 
892                         ac_cv_call_getpwuid_r=no)
893         ])
894
895 if test $ac_cv_call_getpwuid_r = no; then
896         AC_DEFINE(SOLARIS_GETPWUID,[],[do we need to use solaris call syntax?])
897         AC_DEFINE(F_UID_T, "%ld", [whats the matching format string for uid_t?])
898         AC_DEFINE(F_PID_T, "%ld",  [whats the matching format string for pid_t?])
899         AC_DEFINE(F_XPID_T, "%lx",  [whats the matching format string for xpid_t?])
900 else
901         AC_DEFINE(F_UID_T, "%d",  [whats the matching format string for uid_t?])
902         AC_DEFINE(F_PID_T, "%d",  [whats the matching format string for pid_t?])
903         AC_DEFINE(F_XPID_T, "%x",  [whats the matching format string for xpid_t?])
904 fi
905
906
907 dnl Our own happy little check for the resolver library.
908
909 case "`uname -a`" in 
910  OpenBSD*)
911         echo "we don't need to check for resolv on openbsd"  
912         ;;
913  FreeBSD*)
914         echo "we don't need to check for resolv on freeBSD"  
915         ;;
916  *)
917         test -f /usr/local/lib/libresolv.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
918         AC_CHECK_LIB(resolv, res_query,
919                 RESOLV="$RESOLV -lresolv",
920                 [dnl Have to include resolv.h as res_query is sometimes defined as a macro
921                         AC_MSG_CHECKING([for res_query in -lresolv (with resolv.h if present)])
922                         saved_libs="$LIBS"
923                         LIBS="-lresolv $LIBS"
924                         AC_TRY_LINK([
925                                 #ifdef HAVE_RESOLV_H
926                                 #include <resolv.h>
927                                 #endif],
928                                 [res_query(0,0,0,0,0)],
929                                 [AC_MSG_RESULT(yes)
930                                                 have_res_query=yes],
931                                 [AC_MSG_RESULT(no)
932                                         AC_MSG_ERROR(libresolv was not found.  Citadel requires the resolver library.)
933                                 ])
934          ]
935         )
936         ;;
937 esac
938
939
940
941 AC_CACHE_CHECK([for ut_host in struct utmp], ac_cv_struct_ut_host,
942 [AC_TRY_COMPILE([#include <sys/types.h>
943 #include <utmp.h>], [struct utmp ut; ut.ut_host;],
944 ac_cv_struct_ut_host=yes, ac_cv_struct_ut_host=no)])
945 if test $ac_cv_struct_ut_host = yes; then
946         AC_DEFINE(HAVE_UT_HOST, [], [define this if struct utmp has an ut_host member])
947 fi
948
949 dnl Checks for library functions.
950 AC_FUNC_GETPGRP
951 AC_PROG_GCC_TRADITIONAL
952 AC_TYPE_SIGNAL
953 AC_FUNC_VPRINTF
954 AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror strcasecmp strncasecmp)
955
956 dnl Now check for pthreads
957
958 dnl On some platforms, AC_CHECK_FUNC[S] doesn't work for pthreads programs;
959 dnl we need to include pthread.h
960
961 AC_CACHE_CHECK([for pthread_cancel], ac_cv_func_pthread_cancel,
962 [AC_TRY_LINK([#include <pthread.h>],
963 [       pthread_t thread;
964
965         /* The GNU C library defines this for functions which it implements
966            to always fail with ENOSYS.  Some functions are actually named
967            something starting with __ and the normal name is an alias.  */
968 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
969         choke me
970 #else
971         pthread_cancel(thread);
972 #endif],
973 ac_cv_func_pthread_cancel=yes, ac_cv_func_pthread_cancel=no)])
974 if test "$ac_cv_func_pthread_cancel" = yes; then
975         AC_DEFINE(HAVE_PTHREAD_CANCEL, [], [define this if you have the pthread_cancel() function])
976 fi
977
978 AC_CACHE_CHECK([for pthread_create], ac_cv_func_pthread_create,
979 [AC_TRY_LINK([#include <pthread.h>],
980 [       /* The GNU C library defines this for functions which it implements
981            to always fail with ENOSYS.  Some functions are actually named
982            something starting with __ and the normal name is an alias.  */
983 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
984         choke me
985 #else
986         pthread_create(NULL, NULL, NULL, NULL);
987 #endif],
988 ac_cv_func_pthread_create=yes, ac_cv_func_pthread_create=no)])
989 if test "$ac_cv_func_pthread_create" = yes; then
990         test "$DATABASE" && TARGETS="server utils"
991 fi
992
993 AC_REPLACE_FUNCS(snprintf getutline)
994
995 AC_CACHE_CHECK([the weather], ac_cv_weather, [
996         sleep 1
997         echo $ECHO_N "opening your window... $ECHO_C" >&6
998         sleep 2
999         month=`date | cut -f 2 -d ' '`
1000         case $month in
1001         Dec | Jan | Feb)
1002                 ac_cv_weather="it's cold!"
1003                 ;;
1004         Mar | Apr)
1005                 ac_cv_weather="it's wet!"
1006                 ;;
1007         Jul | Aug)
1008                 ac_cv_weather="it's hot!"
1009                 ;;
1010         Oct | Nov)
1011                 ac_cv_weather="it's cool"
1012                 ;;
1013         May | Jun | Sep | *)
1014                 ac_cv_weather="it's fine"
1015                 ;;
1016         esac
1017         ])
1018
1019
1020
1021
1022 AC_CACHE_CHECK([under the bed], ac_cv_under_the_bed, [
1023         number=`date | cut -c 19`
1024         case $number in
1025         7)
1026                 ac_cv_under_the_bed="lunatics and monsters found"
1027                 ;;
1028         *)
1029                 ac_cv_under_the_bed="dust bunnies found"
1030                 ;;
1031         esac
1032         ])
1033
1034
1035 STRUCT_UCRED
1036
1037 dnl Done! Now write the Makefile and sysdep.h
1038 AC_SUBST(RESOLV)
1039 AC_SUBST(chkpwd_LIBS)
1040 AC_SUBST(TARGETS)
1041 AC_SUBST(DATABASE)
1042 AC_SUBST(SERVER_LDFLAGS)
1043 AC_SUBST(SERVER_LIBS)
1044 AC_SUBST(SETUP_LIBS)
1045 AC_SUBST(DIFF)
1046 AC_SUBST(PATCH)
1047 AC_CONFIG_FILES([Makefile])
1048 AC_OUTPUT(database_cleanup.sh po/citadel-setup/Makefile)
1049
1050 if test -z "$DATABASE"; then
1051         AC_MSG_WARN([No database driver was found. Please install Berkeley DB.])
1052 fi
1053
1054 abs_srcdir="`cd $srcdir && pwd`"
1055 abs_builddir="`pwd`"
1056 if test "$abs_srcdir" != "$abs_builddir"; then
1057    ln -sf $abs_srcdir/include $abs_builddir
1058    ln -sf $abs_srcdir/Make_sources $abs_builddir
1059    ln -sf $abs_srcdir/Make_modules $abs_builddir
1060    for i in $abs_srcdir/*.h ; do
1061       if test "$abs_srcdir/sysdep.h" != "$i"; then
1062          ln -sf $i $abs_builddir
1063       fi
1064    done
1065    for d in `/bin/ls $abs_srcdir/modules/`; do 
1066         (mkdir -p $abs_builddir/modules/$d) 
1067    done
1068    if test -d "$abs_srcdir/user_modules/"; then
1069       for d in `/bin/ls $abs_srcdir/user_modules/`; do 
1070         (mkdir -p $abs_builddir/user_modules/$d) 
1071         done
1072    fi
1073    mkdir -p $abs_builddir/utils
1074    mkdir -p $abs_builddir/utillib
1075 fi
1076
1077 if test -n "$srcdir"; then 
1078    export srcdir=.
1079 fi
1080
1081
1082 echo ------------------------------------------------------------------------
1083 echo 'LDAP support:                    ' $ok_ldap
1084 echo 'Character set conversion support:' $ok_iconv
1085 echo 'Boehm-Demers-Weiser support:     ' $ok_gc
1086 dnl echo 'DSpam Scanning support:          ' $ok_libdspam
1087 echo 
1088 echo 'Note: if you are not using Linux, make sure you are using GNU make'
1089 echo '(gmake) to compile Citadel.'
1090 echo