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1 dnl Copyright 1998 The OpenLDAP Foundation.  All Rights Reserved.
2 dnl 
3 dnl Redistribution and use in source and binary forms are permitted only
4 dnl as authorized by the OpenLDAP Public License.  A copy of this
5 dnl license is available at http://www.OpenLDAP.org/license.html or
6 dnl in file LICENSE in the top-level directory of the distribution.
7 dnl ----
8 dnl Configure.in for OpenLDAP
9 dnl
10 AC_INIT(include/ldap.h)
11 dnl
12 dnl
13 AC_PREREQ(2.10)dnl Required Autoconf version
14 dnl Do not use AutoConf 2.12; it produces a configuration script
15 dnl that causes an "internal 2K buffer" error on HPUX when run
16 dnl with /bin/sh.  Autoconf 2.10 seems to be okay.
17 AC_CONFIG_AUX_DIR(build)
18 AC_CONFIG_HEADER(include/portable.h include/ldap_features.h)dnl
19 dnl
20 dnl Start Args
21 AC_MSG_CHECKING(configure arguments)
22 AC_PREFIX_DEFAULT(/usr/local)
23
24 dnl General "enable" options
25 OL_ARG_ENABLE(debug,[  --enable-debug   enable debugging], yes)dnl
26 dnl OL_ARG_ENABLE(syslog,[  --enable-syslog     enable syslog support], auto)dnl
27 OL_ARG_ENABLE(proctitle,[  --enable-proctitle   enable proctitle support], yes)dnl
28 OL_ARG_ENABLE(libui,[  --enable-libui   enable library user interface], yes)dnl
29 OL_ARG_ENABLE(cache,[  --enable-cache   enable caching], yes)dnl
30 OL_ARG_ENABLE(dns,[  --enable-dns               enable V2 DNS  extension], no)dnl
31 OL_ARG_ENABLE(referrals,[  --enable-referrals   enable V2 Referrals extension], yes)dnl
32 OL_ARG_ENABLE(cldap,[  --enable-cldap   enable connectionless ldap], no)dnl
33 OL_ARG_ENABLE(x_compile,[  --enable-x-compile   enable cross compiling],
34         no, [yes no])dnl
35
36 dnl General "with" options
37 OL_ARG_WITH(kerberos,[  --with-kerberos use Kerberos],
38         auto, [auto k5 k4 afs yes no])
39 OL_ARG_WITH(threads,[  --with-threads   use threads],
40         auto, [auto posix mach lwp yes no manual] )
41 OL_ARG_WITH(preemptive,[  --with-preemptive     thread implementation is preemptive],
42         auto, [auto yes no manual] )
43
44 dnl Server options
45
46 dnl LDAPD OPTIONS
47 OL_ARG_ENABLE(ldapd,[  --enable-ldapd   enable building ldapd], no)dnl
48
49 dnl SLAPD OPTIONS
50 OL_ARG_ENABLE(slapd,[  --enable-slapd   enable building slapd], yes)dnl
51 OL_ARG_ENABLE(aclgroups,[    --enable-aclgroups enable ACL group support], auto)dnl
52 OL_ARG_ENABLE(crypt,[    --enable-crypt enable crypt(3) passwords], auto)dnl
53 OL_ARG_ENABLE(md5,[    --enable-md5     enable MD5 passwords], auto)dnl
54 OL_ARG_ENABLE(sha1,[    --enable-sha1   enable SHA1 passwords], auto)dnl
55 OL_ARG_ENABLE(wrappers,[    --enable-wrappers   enable tcp wrapper support], no)dnl
56 OL_ARG_ENABLE(phonetic,[    --enable-phonetic   enable phonetic/soundex], no)dnl
57 OL_ARG_ENABLE(rlookups,[    --enable-rlookups   enable reverse lookups], auto)dnl
58
59 dnl SLAPD Backend options
60 OL_ARG_ENABLE(ldbm,[    --enable-ldbm   enable ldbm backend], yes)dnl
61 OL_ARG_WITH(ldbm_api,[      --with-ldbm-api     use LDBM API], auto,
62         [auto db2 db gdbm ndbm manual])
63 OL_ARG_WITH(ldbm_type,[      --with-ldbm-type   use LDBM type], auto,
64         [auto btree hash])
65
66 OL_ARG_ENABLE(passwd,[    --enable-passwd       enable passwd backend], no)dnl
67 OL_ARG_ENABLE(shell,[    --enable-shell enable shell backend], no)dnl
68
69 dnl SLURPD OPTIONS
70 OL_ARG_ENABLE(slurpd,[  --enable-slurpd enable building slurpd], auto)dnl
71
72 # validate options
73 if test $ol_enable_referrals = no ; then
74         if test $ol_enable_dns = yes ; then
75                 AC_MSG_WARN([dns disabled, ignoring --enable-dns argument])
76         fi
77         ol_enable_dns=no
78 fi
79
80 if test $ol_enable_slapd = no ; then
81         dnl SLAPD was specificallly disabled
82         if test $ol_enable_ldbm = yes ; then
83                 AC_MSG_WARN([slapd disabled, ignoring --enable_ldbm argument])
84         fi
85         if test $ol_enable_passwd = yes ; then
86                 AC_MSG_WARN([slapd disabled, ignoring --enable_passwd argument])
87         fi
88         if test $ol_enable_shell = yes ; then
89                 AC_MSG_WARN([slapd disabled, ignoring --enable_shell argument])
90         fi
91         if test $ol_enable_aclgroups = yes ; then
92                 AC_MSG_WARN([slapd disabled, ignoring --enable_aclgroups argument])
93         fi
94         if test $ol_enable_crypt = yes ; then
95                 AC_MSG_WARN([slapd disabled, ignoring --enable_crypt argument])
96         fi
97         if test $ol_enable_md5 = yes ; then
98                 AC_MSG_WARN([slapd disabled, ignoring --enable_md5 argument])
99         fi
100         if test $ol_enable_sha1 = yes ; then
101                 AC_MSG_WARN([slapd disabled, ignoring --enable_sha1 argument])
102         fi
103         if test $ol_enable_wrappers = yes ; then
104                 AC_MSG_WARN([slapd disabled, ignoring --enable_wrappers argument])
105         fi
106         if test $ol_enable_phonetic = yes ; then
107                 AC_MSG_WARN([slapd disabled, ignoring --enable_phonetic argument])
108         fi
109         if test $ol_enable_rlookups = yes ; then
110                 AC_MSG_WARN([slapd disabled, ignoring --enable_rlookups argument])
111         fi
112         if test $ol_with_ldbm_api != auto ; then
113                 AC_MSG_WARN([slapd disabled, ignoring --with_ldbm_api argument])
114         fi
115         if test $ol_with_ldbm_type != auto ; then
116                 AC_MSG_WARN([slapd disabled, ignoring --with_ldbm_type argument])
117         fi
118         if test $ol_enable_slurpd = yes ; then
119                 AC_MSG_ERROR([slurpd requires slapd])
120         fi
121
122         # force settings to no
123         ol_enable_ldbm=no
124         ol_enable_shell=no
125         ol_enable_passwd=no
126         ol_enable_aclgroups=no
127         ol_enable_crypt=no
128         ol_enable_md5=no
129         ol_enable_sha1=no
130         ol_enable_wrappers=no
131         ol_enable_phonetic=no
132         ol_enable_rlookups=no
133         ol_with_ldbm_api=no
134         ol_with_ldbm_type=no
135         ol_enable_slurpd=no
136
137 elif test $ol_enable_ldbm = no ; then
138         dnl SLAPD without LDBM
139
140         if test $ol_with_ldbm_api != auto ; then
141                 AC_MSG_WARN([LDBM disabled, ignoring --with_ldbm_api argument])
142         fi
143
144         if test $ol_with_ldbm_type != auto ; then
145                 AC_MSG_WARN([LDBM disabled, ignoring --with_ldbm_type argument])
146         fi
147
148         if test $ol_enable_passwd = no -a $ol_enable_shell = no ; then
149                 AC_MSG_ERROR([slapd requires a backend])
150         fi
151
152         ol_with_ldbm_api=no
153         ol_with_ldbm_type=no
154
155 else
156         dnl SLAPD with LDBM
157
158         if test $ol_with_ldbm_api = gdbm -a \
159                 $ol_with_ldbm_type = btree ; then
160                 AC_MSG_ERROR([GDBM only supports LDBM type hash])
161         fi
162         if test $ol_with_ldbm_api = ndbm -a \
163                 $ol_with_ldbm_type = btree ; then
164                 AC_MSG_ERROR([NDBM only supports LDBM type hash])
165         fi
166 fi
167
168 if test $ol_enable_slurpd = yes ; then
169         dnl SLURPD was specifically enabled
170         if test $ol_with_threads = no ; then
171                 AC_MSG_ERROR([slurpd requires threads])
172         fi
173 fi
174
175 AC_MSG_RESULT(done)
176
177 ## Initialize vars
178 LDAP_LIBS=
179 LDBM_LIBS=
180 LTHREAD_LIBS=
181 LUTIL_LIBS=
182
183 LDAPD_LIBS=
184 SLAPD_LIBS=
185 SLURPD_LIBS=
186
187 BUILD_LDAPD=no
188 BUILD_SLAPD=no
189 BUILD_SLURPD=no
190
191 BUILD_LDBM=no
192 BUILD_PASSWD=no
193 BUILD_SHELL=no
194 BUILD_THREAD=no
195
196 KRB_LIBS=
197 TERMCAP_LIBS=
198
199 dnl ----------------------------------------------------------------
200 dnl Checks for programs
201
202 AC_PROG_LN_S
203 AC_PROG_INSTALL
204 AC_PROG_RANLIB
205 AC_PROG_MAKE_SET
206
207 AC_PATH_PROG(SENDMAIL, sendmail, /usr/lib/sendmail,
208         $PATH:/usr/libexec:/usr/lib:/usr/sbin:/usr/etc:/etc)
209 AC_PATH_PROG(EDITOR, vi, /usr/ucb/vi, $PATH:/usr/ucb)
210 AC_PATH_PROG(FINGER, finger, /usr/ucb/finger, $PATH:/usr/ucb)
211
212 dnl Checks the compiler and UNIX Variants
213 AC_PROG_CC
214
215 if test $cross_compiling = yes -a $ol_enable_x_compile = yes; then
216         AC_WARN([cross compiling....  some functionality will be removed.])
217
218 elif test $cross_compiling = no -a $ol_enable_x_compile = yes; then
219         AC_WARN([programs compiled here do run here...])
220         AC_ERROR([  if not cross compiling, use --disable-x-compile.])
221
222 elif test $cross_compiling = yes -a $ol_enable_x_compile = no; then
223         AC_WARN([programs compiled here do not run here...])
224         AC_ERROR([  if cross compiling,  add --enable-x-compile.])
225 fi
226
227 dnl OpenLDAP requires STDC features
228 dnl AC_PROG_GCC_TRADITIONAL
229 AC_PROG_CPP
230
231
232 AC_AIX
233 AC_ISC_POSIX
234 AC_MINIX
235
236 dnl Checks for libraries
237
238 dnl Find socket()
239 dnl Likely combinations:
240 dnl             -lsocket [ -lnsl_s | -lnsl ]
241 dnl             -linet
242
243 AC_CHECK_FUNC(socket, :, [      
244 dnl
245 dnl hopefully we won't include too many libraries
246 dnl
247         AC_CHECK_LIB(socket, main)
248         AC_CHECK_LIB(net, main)
249         AC_CHECK_LIB(nsl_s, main)
250         AC_CHECK_LIB(nsl, main)
251         AC_CHECK_LIB(inet, socket)
252         AC_CHECK_LIB(gen, main)
253 ])
254
255 dnl Check for resolv
256 AC_CHECK_LIB(resolv, res_search)
257
258 dnl HP-UX requires -lV3
259 AC_CHECK_LIB(V3, sigset)
260
261 # ISODE tests
262 ol_link_isode=no
263 if test $ol_enable_ldapd != no ; then
264         dnl look for ISODE libraries
265         AC_CHECK_LIB(xtpp, main, [
266                 ol_link_isode=yes
267                 AC_DEFINE(HAVE_XTPP,1)
268                 LDAPD_LIBS="$LDAPD_LIBS -lxtpp -lxtdsap -lxtisode -losi"
269                 ],:,[-lxtdsap -lxtisode -losi])
270         AC_CHECK_LIB(dsap, main, [
271                 ol_link_isode=yes
272                 AC_DEFINE(HAVE_DSAP,1)
273                 LDAPD_LIBS="$LDAPD_LIBS -ldsap"
274                 ],:,[-lisode])
275         AC_CHECK_LIB(isode, main, [
276                 ol_link_isode=yes
277                 AC_DEFINE(HAVE_ISODE,1)
278                 LDAPD_LIBS="$LDAPD_LIBS -lisode"
279                 ],:)
280 fi
281
282 if test $ol_link_isode != no; then
283         AC_CHECK_LIB(pp, main, [
284                 AC_DEFINE(HAVE_PP,1)
285                 LDAPD_LIBS="-lpp $LDAPD_LIBS"
286                 ],:)
287
288         AC_PATH_PROG(PEPSY, pepsy)
289 fi
290
291 if test $ol_with_kerberos = auto -o $ol_with_kerberos = k5 ; then
292         AC_CHECK_HEADERS(kerberosIV/krb.h kerberosIV/des.h)
293
294         if test $ac_cv_header_kerberosIV_krb_h = yes ; then
295                 AC_CHECK_LIB(krb4, main, [have_k5=yes], [have_k5=no],
296                         [-lkrb5 -ldes425])
297
298                 if test $have_k5 = yes ; then
299                         ol_with_kerberos=found
300                         ol_link_kerberos=yes
301
302                         AC_DEFINE(HAVE_KERBEROS)
303
304                         KRB_LIBS="-lkrb4 -lkrb5 -ldes425"
305                 fi
306         fi
307 fi
308 if test $ol_with_kerberos = auto -o $ol_with_kerberos = k4 ; then
309         AC_CHECK_HEADERS(krb.h des.h)
310
311         if test $ac_cv_header_krb_h = yes ; then
312                 AC_CHECK_LIB(krb, main, [have_k4=yes], [have_k4=no], [-ldes])
313
314                 if test $have_k4 = yes ; then
315                         ol_with_kerberos=found
316                         ol_link_kerberos=yes
317
318                         AC_DEFINE(HAVE_KERBEROS)
319
320                         KRB_LIBS="-lkrb -ldes"
321                 fi
322         fi
323 fi
324
325 ol_link_threads=no
326 if test $ol_with_threads = auto -o $ol_with_threads = posix ; then
327         AC_CHECK_HEADERS(pthread.h sched.h)
328
329         if test $ac_cv_header_pthread_h = yes ; then
330                 OL_POSIX_THREAD_VERSION
331
332                 if test $ol_cv_pthread_version = final ; then
333                         AC_DEFINE(HAVE_PTHREADS_FINAL)
334                 elif test $ol_cv_pthread_version = draft4 ; then
335                         AC_DEFINE(HAVE_PTHREADS_D4)
336                 else
337                         AC_MSG_ERROR([unknown pthread version])
338                 fi
339
340                 # consider threads found
341                 ol_with_threads=found
342
343                 OL_LINUX_THREADS
344
345                 if test $ol_cv_linux_threads = yes ; then
346                         AC_DEFINE(HAVE_LINUX_THREADS,1)
347                 fi
348
349                 dnl Now the hard part, how to link
350
351                 dnl A few platforms have pthread support in standard libraries
352                 AC_CHECK_FUNC(pthread_create,[ol_link_threads=yes])
353
354                 if test $ol_link_threads = no ; then
355                         dnl try -pthread
356                         AC_CACHE_CHECK([for pthread_create with -pthread],
357                                 [ol_cv_pthread_flag], [
358                                 dnl save the flags
359                                 save_LIBS="$LIBS"
360                                 LIBS="-pthread $LIBS"
361                                 AC_TRY_LINK([char pthread();],[
362                                         pthread_create();
363                                         ], ol_cv_pthread_flag=yes, ol_cv_pthread_flag=no)
364                                 dnl restore the LIBS
365                                 LIBS="$save_LIBS"
366                         ])
367
368                         if test $ol_cv_pthread_flag = yes ; then
369                                 LTHREAD_LIBS="$LTHREAD_LIBS -pthread"
370                                 ol_link_threads=posix
371                         fi
372                 fi
373
374                 if test $ol_link_threads = no ; then
375                         dnl try -thread
376                         AC_CACHE_CHECK([for pthread_create with -thread],
377                                 [ol_cv_thread_flag], [
378                                 dnl save the flags
379                                 save_LIBS="$LIBS"
380                                 LIBS="-thread $LIBS"
381                                 AC_TRY_LINK([char pthread();],[
382                                         pthread_create();
383                                         ], ol_cv_thread_flag=yes, ol_cv_thread_flag=no)
384                                 dnl restore the LIBS
385                                 LIBS="$save_LIBS"
386                         ])
387
388                         if test $ol_cv_thread_flag = yes ; then
389                                 LTHREAD_LIBS="$LTHREAD_LIBS -thread"
390                                 ol_link_threads=posix
391                         fi
392                 fi
393
394                 if test $ol_link_threads = no ; then
395                         dnl try DEC Threads -lpthread -lexc
396                         save_LIBS="$LIBS"
397                         AC_CHECK_LIB(pthread, pthread_join, [
398                                 ol_link_threads=posix
399                                 LTHREAD_LIBS="$LTHREAD_LIBS -lpthread -lexc"
400                                 if test $ol_with_preemptive = auto ; then
401                                         ol_with_preemptive=yes
402                                 fi
403                                 ],,[-lexc])
404                         LIBS="$save_LIBS"
405                 fi
406
407                 if test $ol_link_threads = no ; then
408                         dnl try DEC Threads -lpthreads -lmach -lexc -lc_r
409                         save_LIBS="$LIBS"
410                         AC_CHECK_LIB(pthreads, pthread_join, [
411                                 ol_link_threads=posix
412                                 LTHREAD_LIBS="$LTHREAD_LIBS -lpthreads -lmach -lexc -lc_r"
413                                 if test $ol_with_preemptive = auto ; then
414                                         ol_with_preemptive=yes
415                                 fi
416                                 ],,[-lmach -lexc -lc_r])
417                         LIBS="$save_LIBS"
418                 fi
419
420                 if test $ol_link_threads = no ; then
421                         dnl try -lpthread
422                         save_LIBS="$LIBS"
423                         AC_CHECK_LIB(pthread, pthread_create, [
424                                 ol_link_threads=posix
425                                 LTHREAD_LIBS="$LTHREAD_LIBS -lpthread"])
426                         LIBS="$save_LIBS"
427                 fi
428
429                 if test $ol_link_threads = no ; then
430                         dnl try -lc_r
431                         save_LIBS="$LIBS"
432                         AC_CHECK_LIB(c_r, pthread_create, [
433                                 ol_link_threads=posix
434                                 LTHREAD_LIBS="$LTHREAD_LIBS -lc_r"])
435                         LIBS="$save_LIBS"
436                 fi
437
438                 if test $ol_link_threads != no ; then
439                         AC_DEFINE(HAVE_PTHREADS)
440
441                         dnl save flags
442                         save_CPPFLAGS="$CPPFLAGS"
443                         save_LIBS="$LIBS"
444                         LIBS="$LTHREAD_LIBS $LIBS"
445
446                         dnl All POSIX Thread (final) implementations should have
447                         dnl sched_yield instead of pthread yield.
448                         dnl check for both
449                         AC_CHECK_FUNCS(sched_yield pthread_yield)
450
451                         if test $ac_cv_func_sched_yield = no -a \
452                                 $ac_cv_func_pthread_yield = no ; then
453                                 dnl Digital UNIX has sched_yield() in -lrt
454                                 AC_CHECK_LIB(rt, sched_yield,
455                                         [LTHREAD_LIBS="$LTHREAD_LIBS -lrt"
456                                         AC_DEFINE(HAVE_SCHED_YIELD,1)
457                                         ac_cv_func_sched_yield=yes],
458                                         [ac_cv_func_sched_yield=no])
459                         fi
460                         if test $ac_cv_func_sched_yield = no -a \
461                                 $ac_cv_func_pthread_yield = no ; then
462                                 dnl Solaris has sched_yield() in -lposix4
463                                 AC_CHECK_LIB(posix4, sched_yield,
464                                         [LTHREAD_LIBS="$LTHREAD_LIBS -lposix4"
465                                         AC_DEFINE(HAVE_SCHED_YIELD,1)
466                                         ac_cv_func_sched_yield=yes],
467                                         [ac_cv_func_sched_yield=no])
468                         fi
469                         if test $ac_cv_func_sched_yield = no -a \
470                                 $ac_cv_func_pthread_yield = no ; then
471                                 AC_MSG_WARN([could not locate sched_yield() or pthread_yield()])
472                                 AC_MSG_ERROR([POSIX Threads are not usable])
473                         fi
474
475                         dnl Check functions for compatibility
476                         AC_CHECK_FUNCS(pthread_kill)
477                         AC_CHECK_FUNCS( \
478                                 pthread_attr_create pthread_attr_init \
479                                 pthread_attr_destroy pthread_attr_delete \
480                                 pthread_attr_setdetachstate pthread_attr_setdetach_np \
481                         )
482
483                         dnl Check for setconcurreny functions
484                         AC_CHECK_FUNCS( \
485                                 pthread_setconcurrency \
486                                 thr_setconcurrency \
487                         )
488
489                         dnl Check PREEMPTIVE Implementation 
490                         if test $ol_with_preemptive = auto ; then
491                                 AC_MSG_CHECKING([for preemptive Pthread implementation])
492                                 AC_TRY_RUN([
493 #include <sys/types.h>
494 #include <sys/time.h>
495 #include <unistd.h>
496 #include <pthread.h>
497 #ifndef NULL
498 #define NULL 0
499 #endif
500
501 int task(arg)
502         int *arg;
503 {
504         int i;
505         struct timeval tv;
506
507         tv.tv_sec=5;
508         tv.tv_usec=0;
509
510         /* we're not interested in any fds */
511         i = select(FD_SETSIZE, NULL, NULL, NULL, &tv);
512
513         if(i < 0) {
514                 perror("select");
515         }
516
517         exit(1); /* if we exit here, the select blocked the whole process */
518 }
519
520 main(argc, argv)
521 int argc; char **argv;
522 {
523         pthread_t t;
524
525 #ifdef HAVE_PTHREAD_SETCONCURRENCY
526         (void) pthread_setconcurrency(2);
527 #else
528 #ifdef HAVE_THR_SETCONCURRENCY
529         /* Set Solaris LWP concurrency to 2 */
530         thr_setconcurrency(2);
531 #endif
532 #endif
533
534         pthread_create(&t, NULL, (void *) task, NULL);
535
536 #if HAVE_SCHED_YIELD
537         sched_yield();  /* make sure task runs first */
538 #else
539 #ifdef HAVE_PTHREAD_YIELD
540         pthread_yield();        /* make sure task runs first */
541 #endif
542 #endif
543         exit(0);
544 }
545                                 ], [ol_pthread_preemptive=yes], [ol_pthread_preemptive=no], [
546                                 AC_MSG_ERROR([crossing compiling: use --with-preemptive=yes|no|manual])])
547                                 AC_MSG_RESULT($ol_pthread_preemptive)
548
549                                 if test $ol_pthread_preemptive = yes ; then
550                                         AC_DEFINE(HAVE_PREEMPTIVE_PTHREADS)
551                                         ol_with_preemptive=yes
552                                 fi
553                         fi
554
555 dnl                     dnl check for reentrant/threadsafe functions
556 dnl                     AC_CHECK_FUNCS( \
557 dnl                             feof_unlocked \
558 dnl                             unlocked_feof \
559 dnl                             ftrylockfile \
560 dnl                             flockfile \
561 dnl                             putc_unlocked \
562 dnl                             gmtime_r \
563 dnl                             strtok_r \
564 dnl                     )
565
566                         dnl restore flags
567                         CPPFLAGS="$save_CPPFLAGS"
568                         LIBS="$save_LIBS"
569                 else
570                         AC_MSG_ERROR([could not link with POSIX Threads])
571                 fi
572         fi
573
574         if test $ol_with_threads = posix ; then
575                 AC_MSG_ERROR([could not locate POSIX Threads])
576         fi
577 fi
578
579 if test $ol_with_threads = auto -o $ol_with_threads = mach ; then
580         dnl check for Mach CThreads
581         AC_CHECK_HEADERS(mach/cthreads.h)
582         if test $ac_cv_header_mach_cthreads_h = yes ; then
583                 ol_with_threads=found
584
585                 dnl A few platforms have cthread support in standard libraries
586                 AC_CHECK_FUNC(cthread_fork,[ol_link_threads=yes])
587
588                 if test $ol_link_threads = no ; then
589                         dnl try -all_load
590                         dnl this test needs work
591                         AC_CACHE_CHECK([for cthread_fork with -all_load],
592                                 [ol_cv_cthread_all_load], [
593                                 dnl save the flags
594                                 save_LIBS="$LIBS"
595                                 LIBS="-all_load $LIBS"
596                                 AC_TRY_LINK([#include <mach/cthreads.h>],[
597                                         cthread_fork((void *)0, (void *)0);
598                                         ], ol_cv_cthread_all_load=yes, ol_cv_cthread_all_load=no)
599                                 dnl restore the LIBS
600                                 LIBS="$save_LIBS"
601                         ])
602
603                         if test $ol_cv_cthread_all_load = yes ; then
604                                 LTHREAD_LIBS="$LTHREAD_LIBS -all_load"
605                                 ol_link_threads=mach
606                         fi
607                 fi
608
609                 if test $ol_link_threads != no ; then
610                         : check for cthread specific functionality here
611                         AC_DEFINE(HAVE_MACH_CTHREADS,1)
612                 else
613                         AC_MSG_ERROR([could not link with Mach CThreads])
614                 fi
615         fi
616
617         if test $ol_with_threads = mach ; then
618                 AC_MSG_ERROR([could not locate Mach CThreads])
619         fi
620 fi
621
622 if test $ol_with_threads = auto -o $ol_with_threads = lwp ; then
623         dnl check for SunOS5 LWP
624         AC_CHECK_HEADERS(thread.h synch.h)
625         if test $ac_cv_header_thread_h = yes -a $ac_cv_header_synch_h = yes ; then
626                 AC_CHECK_LIB(thread, thr_create, [have_thr=yes], [have_thr=no])
627
628                 if test $have_thr = yes ; then
629                         AC_DEFINE(HAVE_THR)
630                         LTHREAD_LIBS="$LTHREAD_LIBS -llwp"
631                         ol_link_threads=thr
632
633                         if test $ol_with_preemptive = auto ; then
634                                 ol_with_preemptive=yes
635                         fi
636                 fi
637         fi
638
639         dnl check for SunOS4 LWP
640         AC_CHECK_HEADERS(lwp/lwp.h)
641         if test $ac_cv_header_lwp_lwp_h = yes ; then
642                 AC_CHECK_LIB(lwp, lwp_create, [have_lwp=yes], [have_lwp=no])
643
644                 if test $have_lwp = yes ; then
645                         AC_DEFINE(HAVE_LWP)
646                         LTHREAD_LIBS="$LTHREAD_LIBS -llwp"
647                         ol_link_threads=lwp
648
649                         if test $ol_with_preemptive = auto ; then
650                                 ol_with_preemptive=no
651                         fi
652                 fi
653         fi
654 fi
655
656 if test $ol_with_preemptive = yes ; then
657         AC_DEFINE(PREEMPTIVE_THREADS,1)
658 fi
659
660 if test $ol_with_threads = manual ; then
661         dnl User thinks he can manually configure threads.
662         ol_link_threads=yes
663
664         AC_MSG_WARN([thread defines and link options must be set manually])
665
666         AC_CHECK_HEADERS(pthread.h sched.h)
667         AC_CHECK_FUNCS(sched_yield pthread_yield)
668         OL_LINUX_THREADS
669
670         AC_CHECK_HEADERS(mach/cthreads.h)
671         AC_CHECK_HEADERS(lwp/lwp.h)
672         AC_CHECK_HEADERS(thread.h synch.h)
673 fi
674
675 if test $ol_with_threads != no ; then  
676         dnl needed to get reentrant/threadsafe versions
677         dnl
678         AC_DEFINE(_REENTRANT,1)
679         AC_DEFINE(_THREAD_SAFE,1)
680         AC_DEFINE(_THREADSAFE,1)
681
682         dnl this might cause the errno symbol to be
683         dnl replaced with a function to get a thread specific errno.
684         dnl check to see if everything needs to be compiled
685         dnl with the thread libraries
686         AC_CACHE_CHECK([for thread specific errno],
687                 [ol_cv_errno_thread_specific], [
688                 AC_TRY_LINK([
689 #include <errno.h>
690                         ], [
691 int x = errno;
692                         ],
693                         [ol_cv_errno_thread_specific=yes],
694                         [ol_cv_errno_thread_specific=no])
695         ])
696
697         if test $ol_cv_errno_thread_specific != yes ; then
698                 LIBS="$LTHREAD_LIBS $LIBS"
699                 LTHREAD_LIBS=""
700         fi
701 fi  
702
703 dnl ----------------------------------------------------------------
704
705 if test $ol_link_threads = no ; then
706         if test $ol_with_threads = yes ; then
707                 AC_MSG_ERROR([no suitable thread support])
708         fi
709
710         if test $ol_with_threads = auto ; then
711                 AC_MSG_WARN([no suitable thread support, disabling threads])
712                 ol_with_threads=no
713         fi
714
715         AC_DEFINE(NO_THREADS,1)
716         AC_DEFINE(PREEMPTIVE_THREADS,1)
717         LTHREAD_LIBS=""
718 fi
719
720 ol_link_ldbm=no 
721 if test $ol_with_ldbm_api = auto -o $ol_with_ldbm_api = db2 ; then
722         OL_BERKELEY_DB2
723
724         if test $ol_cv_berkeley_db2 = yes ; then
725                 ol_link_ldbm=db2
726                 ol_with_ldbm_api=db2
727
728                 if test $ol_with_ldbm_type = hash ; then
729                         AC_DEFINE(LDBM_USE_DBHASH,1)
730                 else
731                         AC_DEFINE(LDBM_USE_DBBTREE,1)
732                 fi
733
734                 dnl $ol_cv_lib_db2 should be yes or -ldb
735                 dnl (it could be no, but that would be an error
736                 if test $ol_cv_lib_db2 != yes ; then
737                         LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_db2"
738                 fi
739         fi
740 fi
741
742 if test $ol_with_ldbm_api = auto -o $ol_with_ldbm_api = db ; then
743         OL_BERKELEY_DB
744
745         if test $ol_cv_berkeley_db = yes ; then
746                 ol_link_ldbm=db
747                 ol_with_ldbm_api=db
748
749                 if test $ol_with_ldbm_type = hash ; then
750                         AC_DEFINE(LDBM_USE_DBHASH,1)
751                 else
752                         AC_DEFINE(LDBM_USE_DBBTREE,1)
753                 fi
754
755                 dnl $ol_cv_lib_db should be yes or -ldb
756                 dnl (it could be no, but that would be an error
757                 if test $ol_cv_lib_db != yes ; then
758                         LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_db"
759                 fi
760         fi
761 fi
762
763 if test $ol_with_ldbm_api = manual ; then
764         dnl User thinks he can manually configure LDBM api.
765         ol_link_ldbm=yes
766
767         AC_MSG_WARN([LDBM defines and link options must be set manually])
768
769         AC_CHECK_HEADERS(db.h db_185.h gdbm.h ndbm.h)
770 fi
771
772 if test $ol_link_ldbm = no -a $ol_with_ldbm_type = btree ; then
773         AC_MSG_WARN(Could not find LDBM with BTREE support)
774         ol_with_ldbm_api=none
775 fi
776
777 if test $ol_with_ldbm_api = auto -o $ol_with_ldbm_api = gdbm ; then
778         OL_GDBM
779
780         if test $ol_cv_gdbm = yes ; then
781                 ol_link_ldbm=gdbm
782                 ol_with_ldbm_api=gdbm
783
784                 if test $ol_cv_lib_gdbm != yes ; then
785                         LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_gdbm"
786                 fi
787         fi
788 fi
789
790 if test $ol_with_ldbm_api = auto -o $ol_with_ldbm_api = ndbm ; then
791         OL_NDBM
792
793         if test $ol_cv_ndbm = yes ; then
794                 ol_link_ldbm=ndbm
795                 ol_with_ldbm_api=ndbm
796
797                 if test $ol_with_ldbm_api = ndbm ; then
798                         AC_WARN([Attempting to use NDBM.  Functionality will be limited.])
799                 fi
800
801                 if test $ol_cv_lib_ndbm != yes ; then
802                         LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_ndbm"
803                 fi
804         fi
805 fi
806
807 if test $ol_link_ldbm = no -a $ol_enable_ldbm != no ; then
808         AC_MSG_WARN(could not find suitable LDBM backend)
809         if test $ol_enable_ldbm = yes ; then
810                 AC_MSG_ERROR(select appropriate LDBM options or disable)
811         fi
812
813         AC_MSG_WARN(disabling LDBM)
814         ol_enable_ldbm=no
815 fi
816
817 if test $ol_enable_wrappers = yes ; then
818         AC_CHECK_LIB(wrap, hosts_access,
819                 [have_wrappers=yes], [have_wrappers=no])
820
821         if test $have_wrappers = yes ; then
822                 AC_DEFINE(HAVE_TCPD)
823                 SLAPD_LIBS="$SLAPD_LIBS -lwrap"
824         else
825                 AC_MSG_WARN(could not find -lwrap)
826                 if test $ol_enable_wrappers = yes ; then
827                         AC_MSG_ERROR(could not find wrappers, select appropriate options or disable)
828                 fi
829
830                 AC_MSG_WARN(disabling wrappers support)
831                 ol_enable_wrappers=no
832         fi
833
834 fi
835
836 # ud needs termcap (should insert check here)
837 ol_link_termcap=no
838 AC_CHECK_HEADERS(termcap.h ncurses.h)
839
840 if test $ol_link_termcap = no ; then
841         AC_CHECK_LIB(termcap, tputs, [have_termcap=yes], [have_termcap=no])
842         if test $have_termcap = yes ; then
843                 AC_DEFINE(HAVE_TERMCAP)
844                 ol_link_termcap=yes
845                 TERMCAP_LIBS=-ltermcap
846         fi
847 fi
848
849 if test $ol_link_termcap = no ; then
850         AC_CHECK_LIB(ncurses, initscr, [have_ncurses=yes], [have_ncurses=no])
851         if test $have_ncurses = yes ; then
852                 AC_DEFINE(HAVE_NCURSES)
853                 ol_link_termcap=yes
854                 TERMCAP_LIBS=-lncurses
855         fi
856 fi
857
858 if test $ol_link_termcap = no ; then
859         AC_DEFINE(NO_TERMCAP,1)
860         TERMCAP_LIBS=
861 fi
862
863 # FreeBSD (and others) have crypt(3) in -lcrypt
864 if test $ol_enable_crypt != no ; then
865         AC_CHECK_FUNC(crypt, [have_crypt=yes], [
866                 AC_CHECK_LIB(crypt, crypt, [LUTIL_LIBS="$LUTIL_LIBS -lcrypt"
867                         have_crypt=yes], [have_crypt=no])])
868
869         if test $have_crypt = yes ; then
870                 AC_DEFINE(HAVE_CRYPT,1)
871         else
872                 AC_MSG_WARN(could not find crypt)
873                 if test $ol_enable_crypt = yes ; then
874                         AC_MSG_ERROR(could not find crypt, select appropriate options or disable)
875                 fi
876
877                 AC_MSG_WARN(disabling crypt support)
878                 ol_enable_crypt=no
879         fi
880 fi
881
882 # FreeBSD (and others) have setproctitle(3) in -lutil
883 if test $ol_enable_proctitle != no ; then
884         AC_CHECK_FUNC(setproctitle,     [have_setproctitle=yes], [
885                 AC_CHECK_LIB(util, setproctitle,
886                         [have_setproctitle=yes
887                         LUTIL_LIBS="$LUTIL_LIBS -lutil"],
888                         [have_setproctitle=no
889                         LIBOBJS="$LIBOBJS setproctitle.o"])])
890
891         if test $have_setproctitle = yes ; then
892                 AC_DEFINE(HAVE_SETPROCTITLE,1)
893         fi
894 fi
895
896 dnl ----------------------------------------------------------------
897 dnl Checks for header files.
898 AC_HEADER_STDC
899
900 if test $ac_cv_header_stdc != yes; then
901         AC_MSG_WARN([could not locate Standard C headers])
902 fi
903
904 AC_HEADER_DIRENT
905 AC_HEADER_SYS_WAIT
906 AC_CHECK_HEADERS(       \
907         crypt.h                 \
908         errno.h                 \
909         fcntl.h                 \
910         filio.h                 \
911         getopt.h                \
912         libutil.h               \
913         limits.h                \
914         malloc.h                \
915         memory.h                \
916         regex.h                 \
917         pwd.h                   \
918         sgtty.h                 \
919         stdarg.h                \
920         stddef.h                \
921         string.h                \
922         strings.h               \
923         sys/file.h              \
924         sys/filio.h             \
925         sys/errno.h             \
926         sys/ioctl.h             \
927         sys/param.h             \
928         sys/resource.h  \
929         sys/socket.h    \
930         sys/syslog.h    \
931         sys/time.h              \
932         sys/types.h             \
933         syslog.h                \
934         termios.h               \
935         unistd.h                \
936 )
937
938 dnl ----------------------------------------------------------------
939 dnl Checks for typedefs, structures, and compiler characteristics.
940 AC_TYPE_GETGROUPS
941 AC_TYPE_MODE_T
942 AC_TYPE_OFF_T
943 AC_TYPE_PID_T
944 AC_TYPE_SIGNAL
945 AC_TYPE_SIZE_T
946 AC_TYPE_UID_T
947 AC_STRUCT_ST_BLKSIZE
948 AC_HEADER_TIME
949 AC_STRUCT_TM
950
951 OL_C_UPPER_LOWER
952 AC_C_CONST
953
954 if test $cross_compiling = yes ; then
955         AC_DEFINE(CROSS_COMPILING, 1)
956 else
957         AC_C_BIGENDIAN
958         AC_CHECK_SIZEOF(short) 
959         AC_CHECK_SIZEOF(int) 
960         AC_CHECK_SIZEOF(long)
961 fi
962
963 dnl ----------------------------------------------------------------
964 dnl Checks for library functions.
965 AC_FUNC_MEMCMP
966 AC_FUNC_STRFTIME
967 AC_FUNC_VPRINTF
968
969 if test $ac_cv_func_vprintf = yes ; then
970         dnl check for vsnprintf
971         AC_CHECK_FUNCS(vsnprintf)
972 fi
973
974 AC_FUNC_WAIT3
975
976 AC_CHECK_FUNCS(         \
977         bcopy                   \
978         flock                   \
979         getdtablesize   \
980         gethostname             \
981         getpwuid                \
982         gettimeofday    \
983         lockf                   \
984         memcpy                  \
985         memmove                 \
986         mkstemp                 \
987         mktime                  \
988         res_search              \
989         select                  \
990         setpwfile               \
991         setsid                  \
992         signal                  \
993         sigset                  \
994         snprintf                \
995         socket                  \
996         strerror                \
997         strpbrk                 \
998         strrchr                 \
999         strsep                  \
1000         strstr                  \
1001         strtod                  \
1002         strtok                  \
1003         strtol                  \
1004         strtoul                 \
1005         sysconf                 \
1006         waitpid                 \
1007 )
1008
1009 dnl We actually may need to replace more than this.
1010 AC_REPLACE_FUNCS(getopt strdup tempnam)
1011
1012 dnl ----------------------------------------------------------------
1013 # Check Configuration
1014 OL_SYS_ERRLIST
1015
1016 dnl ----------------------------------------------------------------
1017 dnl Sort out defines
1018
1019 if test $ol_enable_debug != no ; then
1020         AC_DEFINE(LDAP_DEBUG,1)
1021 fi
1022 dnl     if test $ol_enable_syslog != no ; then
1023 dnl             AC_DEFINE(LDAP_SYSLOG,1)
1024 dnl     fi
1025 if test $ol_enable_libui = yes ; then
1026         AC_DEFINE(LDAP_LIBUI,1)
1027 fi
1028 if test $ol_enable_cache = no ; then
1029         AC_DEFINE(LDAP_NOCACHE,1)
1030 fi
1031 if test $ol_enable_dns != no ; then
1032         AC_DEFINE(LDAP_API_FEATURE_X_OPENLDAP_V2_DNS,LDAP_API_VENDOR_VERSION,1)
1033 fi
1034 if test $ol_enable_proctitle != no ; then
1035         AC_DEFINE(LDAP_PROCTITLE,1)
1036 fi
1037 if test $ol_enable_referrals != no ; then
1038         AC_DEFINE(LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS,LDAP_API_VENDOR_VERSION,1)
1039 fi
1040 if test $ol_enable_cldap != no ; then
1041         AC_DEFINE(LDAP_CONNECTIONLESS,1)
1042 fi
1043
1044 if test $ol_enable_aclgroups != no ; then
1045         AC_DEFINE(SLAPD_ACLGROUPS,1)
1046 fi
1047 if test $ol_enable_crypt != no ; then
1048         AC_DEFINE(SLAPD_CRYPT,1)
1049 fi
1050 if test $ol_enable_md5 != no ; then
1051         AC_DEFINE(SLAPD_MD5,1)
1052 fi
1053 if test $ol_enable_sha1 != no ; then
1054         AC_DEFINE(SLAPD_SHA1,1)
1055 fi
1056 if test $ol_enable_phonetic != no ; then
1057         AC_DEFINE(SLAPD_PHONETIC,1)
1058 fi
1059 if test $ol_enable_rlookups != no ; then
1060         AC_DEFINE(SLAPD_RLOOKUPS,1)
1061 fi
1062
1063 if test $ol_link_ldbm != no ; then
1064         AC_DEFINE(SLAPD_LDBM,1)
1065         BUILD_SLAPD=yes
1066         BUILD_LDBM=yes
1067 fi
1068
1069 if test $ol_enable_passwd != no ; then
1070         AC_DEFINE(SLAPD_PASSWD,1)
1071         BUILD_SLAPD=yes
1072         BUILD_PASSWD=yes
1073 fi
1074
1075 if test $ol_enable_shell != no ; then
1076         AC_DEFINE(SLAPD_SHELL,1)
1077         BUILD_SLAPD=yes
1078         BUILD_SHELL=yes
1079 fi
1080
1081 if test $ol_enable_slurpd != no -a $ol_link_threads != no -a \
1082         $BUILD_SLAPD = yes ; then
1083         BUILD_SLURPD=yes
1084 fi
1085
1086 if test $ol_link_isode != no ; then
1087         BUILD_LDAPD=yes
1088 fi
1089
1090 dnl ----------------------------------------------------------------
1091
1092 AC_SUBST(BUILD_LDAPD)
1093 AC_SUBST(BUILD_SLAPD)
1094   AC_SUBST(BUILD_LDBM)
1095   AC_SUBST(BUILD_PASSWD)
1096   AC_SUBST(BUILD_SHELL)
1097 AC_SUBST(BUILD_SLURPD)
1098
1099
1100 AC_SUBST(LDAP_LIBS)
1101 AC_SUBST(LDAPD_LIBS)
1102 AC_SUBST(SLAPD_LIBS)
1103 AC_SUBST(SLURPD_LIBS)
1104 AC_SUBST(LDBM_LIBS)
1105 AC_SUBST(LTHREAD_LIBS)
1106 AC_SUBST(LUTIL_LIBS)
1107
1108 AC_SUBST(KRB_LIBS)
1109 AC_SUBST(TERMCAP_LIBS)
1110
1111 dnl ----------------------------------------------------------------
1112 dnl final output
1113 dnl
1114
1115 AC_OUTPUT( \
1116 Makefile:build/top.mk:Makefile.in:build/dir.mk \
1117 doc/Makefile:build/top.mk:doc/Makefile.in:build/dir.mk \
1118 doc/man/Makefile:build/top.mk:doc/man/Makefile.in:build/dir.mk \
1119 doc/man/man1/Makefile:build/top.mk:doc/man/man1/Makefile.in:build/man.mk \
1120 doc/man/man3/Makefile:build/top.mk:doc/man/man3/Makefile.in:build/man.mk \
1121 doc/man/man5/Makefile:build/top.mk:doc/man/man5/Makefile.in:build/man.mk \
1122 doc/man/man8/Makefile:build/top.mk:doc/man/man8/Makefile.in:build/man.mk \
1123 clients/Makefile:build/top.mk:clients/Makefile.in:build/dir.mk \
1124 clients/finger/Makefile:build/top.mk:clients/finger/Makefile.in:build/rules.mk \
1125 clients/fax500/Makefile:build/top.mk:clients/fax500/Makefile.in:build/rules.mk \
1126 clients/gopher/Makefile:build/top.mk:clients/gopher/Makefile.in:build/rules.mk \
1127 clients/mail500/Makefile:build/top.mk:clients/mail500/Makefile.in:build/rules.mk \
1128 clients/rcpt500/Makefile:build/top.mk:clients/rcpt500/Makefile.in:build/rules.mk \
1129 clients/ud/Makefile:build/top.mk:clients/ud/Makefile.in:build/rules.mk \
1130 clients/tools/Makefile:build/top.mk:clients/tools/Makefile.in:build/rules.mk \
1131 include/Makefile:build/top.mk:include/Makefile.in \
1132 libraries/Makefile:build/top.mk:libraries/Makefile.in:build/dir.mk      \
1133 libraries/libavl/Makefile:build/top.mk:libraries/libavl/Makefile.in:build/lib.mk \
1134 libraries/liblber/Makefile:build/top.mk:libraries/liblber/Makefile.in:build/lib.mk \
1135 libraries/libldap/Makefile:build/top.mk:libraries/libldap/Makefile.in:build/lib.mk \
1136 libraries/libldbm/Makefile:build/top.mk:libraries/libldbm/Makefile.in:build/lib.mk \
1137 libraries/libldif/Makefile:build/top.mk:libraries/libldif/Makefile.in:build/lib.mk \
1138 libraries/liblthread/Makefile:build/top.mk:libraries/liblthread/Makefile.in:build/lib.mk \
1139 libraries/liblutil/Makefile:build/top.mk:libraries/liblutil/Makefile.in:build/lib.mk \
1140 servers/Makefile:build/top.mk:servers/Makefile.in:build/dir.mk \
1141 servers/ldapd/Makefile:build/top.mk:servers/ldapd/Makefile.in:build/srv.mk \
1142 servers/slapd/Makefile:build/top.mk:servers/slapd/Makefile.in:build/srv.mk \
1143 servers/slapd/back-ldbm/Makefile:build/top.mk:servers/slapd/back-ldbm/Makefile.in:build/srv.mk \
1144 servers/slapd/back-passwd/Makefile:build/top.mk:servers/slapd/back-passwd/Makefile.in:build/srv.mk \
1145 servers/slapd/back-shell/Makefile:build/top.mk:servers/slapd/back-shell/Makefile.in:build/srv.mk \
1146 servers/slapd/shell-backends/Makefile:build/top.mk:servers/slapd/shell-backends/Makefile.in:build/srv.mk \
1147 servers/slapd/tools/Makefile:build/top.mk:servers/slapd/tools/Makefile.in \
1148 servers/slurpd/Makefile:build/top.mk:servers/slurpd/Makefile.in:build/srv.mk \
1149 tests/Makefile:build/top.mk:tests/Makefile.in \
1150 ,[
1151 date > stamp-h
1152 echo Please \"make depend\" to build dependencies
1153 ])