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[openldap] / configure.in
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
9 dnl Configure.in for OpenLDAP
10 AC_INIT(include/ldap.h)dnl
11 AC_CONFIG_AUX_DIR(build)dnl
12 AM_INIT_AUTOMAKE(OpenLDAP,[2.0-devel], [no ac_define])dnl
13
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_PREREQ(2.10)dnl Required Autoconf version
18
19 AC_CONFIG_HEADER(include/portable.h include/ldap_features.h)dnl
20
21 dnl
22 dnl Start Args
23 AC_MSG_CHECKING(configure arguments)
24 AC_PREFIX_DEFAULT(/usr/local)
25
26 top_builddir=`pwd`
27 AC_SUBST(top_builddir)dnl
28
29 OL_ARG_ENABLE(debug,[  --enable-debug   enable debugging], yes)dnl
30 dnl OL_ARG_ENABLE(syslog,[  --enable-syslog     enable syslog support], auto)dnl
31 OL_ARG_ENABLE(proctitle,[  --enable-proctitle   enable proctitle support], yes)dnl
32 OL_ARG_ENABLE(libui,[  --enable-libui   enable library user interface], yes)dnl
33 OL_ARG_ENABLE(cache,[  --enable-cache   enable caching], yes)dnl
34 OL_ARG_ENABLE(dns,[  --enable-dns               enable V2 DNS  extension], no)dnl
35 OL_ARG_ENABLE(referrals,[  --enable-referrals   enable V2 Referrals extension], yes)dnl
36 OL_ARG_ENABLE(cldap,[  --enable-cldap   enable connectionless ldap], no)dnl
37 OL_ARG_ENABLE(x_compile,[  --enable-x-compile   enable cross compiling],
38         no, [yes no])dnl
39
40 dnl General "with" options
41 OL_ARG_WITH(kerberos,[  --with-kerberos use Kerberos],
42         auto, [auto k5 k4 afs yes no])
43 OL_ARG_WITH(threads,[  --with-threads   use threads],
44         auto, [auto posix mach lwp yes no manual] )
45 OL_ARG_WITH(preemptive,[  --with-preemptive     thread implementation is preemptive],
46         auto, [auto yes no manual] )
47
48 dnl Server options
49
50 dnl LDAPD OPTIONS
51 AC_ARG_WITH(xxldapdoptions,[LDAPD Options:])
52 OL_ARG_ENABLE(ldapd,[  --enable-ldapd   enable building ldapd], no)dnl
53
54 dnl SLAPD OPTIONS
55 AC_ARG_WITH(xxslapdoptions,[SLAPD Options:])
56 OL_ARG_ENABLE(slapd,[  --enable-slapd   enable building slapd], yes)dnl
57 OL_ARG_ENABLE(aclgroups,[    --enable-aclgroups enable ACL group support], auto)dnl
58 OL_ARG_ENABLE(crypt,[    --enable-crypt enable crypt(3) passwords], auto)dnl
59 OL_ARG_ENABLE(md5,[    --enable-md5     enable MD5 passwords], auto)dnl
60 OL_ARG_ENABLE(sha1,[    --enable-sha1   enable SHA1 passwords], auto)dnl
61 OL_ARG_ENABLE(wrappers,[    --enable-wrappers   enable tcp wrapper support], no)dnl
62 OL_ARG_ENABLE(phonetic,[    --enable-phonetic   enable phonetic/soundex], no)dnl
63 OL_ARG_ENABLE(rlookups,[    --enable-rlookups   enable reverse lookups], auto)dnl
64
65 dnl SLAPD Backend options
66 OL_ARG_ENABLE(ldbm,[    --enable-ldbm   enable ldbm backend], yes)dnl
67 OL_ARG_WITH(ldbm_api,[      --with-ldbm-api     use LDBM API], auto,
68         [auto db2 db gdbm ndbm manual])
69 OL_ARG_WITH(ldbm_type,[      --with-ldbm-type   use LDBM type], auto,
70         [auto btree hash])
71
72 OL_ARG_ENABLE(passwd,[    --enable-passwd       enable passwd backend], no)dnl
73 OL_ARG_ENABLE(shell,[    --enable-shell enable shell backend], no)dnl
74
75 dnl SLURPD OPTIONS
76 AC_ARG_WITH(xxslurpdoptions,[SLURPD Options:])
77 OL_ARG_ENABLE(slurpd,[  --enable-slurpd enable building slurpd], auto)dnl
78
79 AC_ARG_WITH(xxliboptions,[Library Generation & Linking Options])
80 AM_ENABLE_STATIC
81 dnl AM_DISABLE_SHARED
82 AM_ENABLE_SHARED
83
84 dnl General "enable" options
85 # validate options
86 if test $ol_enable_referrals = no ; then
87         if test $ol_enable_dns = yes ; then
88                 AC_MSG_WARN([dns disabled, ignoring --enable-dns argument])
89         fi
90         ol_enable_dns=no
91 fi
92
93 if test $ol_enable_slapd = no ; then
94         dnl SLAPD was specificallly disabled
95         if test $ol_enable_ldbm = yes ; then
96                 AC_MSG_WARN([slapd disabled, ignoring --enable_ldbm argument])
97         fi
98         if test $ol_enable_passwd = yes ; then
99                 AC_MSG_WARN([slapd disabled, ignoring --enable_passwd argument])
100         fi
101         if test $ol_enable_shell = yes ; then
102                 AC_MSG_WARN([slapd disabled, ignoring --enable_shell argument])
103         fi
104         if test $ol_enable_aclgroups = yes ; then
105                 AC_MSG_WARN([slapd disabled, ignoring --enable_aclgroups argument])
106         fi
107         if test $ol_enable_crypt = yes ; then
108                 AC_MSG_WARN([slapd disabled, ignoring --enable_crypt argument])
109         fi
110         if test $ol_enable_md5 = yes ; then
111                 AC_MSG_WARN([slapd disabled, ignoring --enable_md5 argument])
112         fi
113         if test $ol_enable_sha1 = yes ; then
114                 AC_MSG_WARN([slapd disabled, ignoring --enable_sha1 argument])
115         fi
116         if test $ol_enable_wrappers = yes ; then
117                 AC_MSG_WARN([slapd disabled, ignoring --enable_wrappers argument])
118         fi
119         if test $ol_enable_phonetic = yes ; then
120                 AC_MSG_WARN([slapd disabled, ignoring --enable_phonetic argument])
121         fi
122         if test $ol_enable_rlookups = yes ; then
123                 AC_MSG_WARN([slapd disabled, ignoring --enable_rlookups argument])
124         fi
125         if test $ol_with_ldbm_api != auto ; then
126                 AC_MSG_WARN([slapd disabled, ignoring --with_ldbm_api argument])
127         fi
128         if test $ol_with_ldbm_type != auto ; then
129                 AC_MSG_WARN([slapd disabled, ignoring --with_ldbm_type argument])
130         fi
131         if test $ol_enable_slurpd = yes ; then
132                 AC_MSG_ERROR([slurpd requires slapd])
133         fi
134
135         # force settings to no
136         ol_enable_ldbm=no
137         ol_enable_shell=no
138         ol_enable_passwd=no
139         ol_enable_aclgroups=no
140         ol_enable_crypt=no
141         ol_enable_md5=no
142         ol_enable_sha1=no
143         ol_enable_wrappers=no
144         ol_enable_phonetic=no
145         ol_enable_rlookups=no
146         ol_with_ldbm_api=no
147         ol_with_ldbm_type=no
148         ol_enable_slurpd=no
149
150 elif test $ol_enable_ldbm = no ; then
151         dnl SLAPD without LDBM
152
153         if test $ol_with_ldbm_api != auto ; then
154                 AC_MSG_WARN([LDBM disabled, ignoring --with_ldbm_api argument])
155         fi
156
157         if test $ol_with_ldbm_type != auto ; then
158                 AC_MSG_WARN([LDBM disabled, ignoring --with_ldbm_type argument])
159         fi
160
161         if test $ol_enable_passwd = no -a $ol_enable_shell = no ; then
162                 AC_MSG_ERROR([slapd requires a backend])
163         fi
164
165         ol_with_ldbm_api=no
166         ol_with_ldbm_type=no
167
168 else
169         dnl SLAPD with LDBM
170
171         if test $ol_with_ldbm_api = gdbm -a \
172                 $ol_with_ldbm_type = btree ; then
173                 AC_MSG_ERROR([GDBM only supports LDBM type hash])
174         fi
175         if test $ol_with_ldbm_api = ndbm -a \
176                 $ol_with_ldbm_type = btree ; then
177                 AC_MSG_ERROR([NDBM only supports LDBM type hash])
178         fi
179 fi
180
181 if test $ol_enable_slurpd = yes ; then
182         dnl SLURPD was specifically enabled
183         if test $ol_with_threads = no ; then
184                 AC_MSG_ERROR([slurpd requires threads])
185         fi
186 fi
187
188 AC_MSG_RESULT(done)
189
190 AC_CANONICAL_HOST
191
192 ## Initialize vars
193 LDAP_LIBS=
194 LDBM_LIBS=
195 LTHREAD_LIBS=
196 LUTIL_LIBS=
197
198 LDAPD_LIBS=
199 SLAPD_LIBS=
200 SLURPD_LIBS=
201
202 BUILD_LDAPD=no
203 BUILD_SLAPD=no
204 BUILD_SLURPD=no
205
206 BUILD_LDBM=no
207 BUILD_PASSWD=no
208 BUILD_SHELL=no
209 BUILD_THREAD=no
210
211 KRB_LIBS=
212 TERMCAP_LIBS=
213
214 dnl ----------------------------------------------------------------
215 dnl Checks for programs
216
217 AC_PROG_INSTALL
218 AM_PROG_LIBTOOL
219 dnl AC_PROG_MAKE_SET
220
221 AC_PATH_PROG(SENDMAIL, sendmail, /usr/lib/sendmail,
222         $PATH:/usr/libexec:/usr/lib:/usr/sbin:/usr/etc:/etc)
223 AC_PATH_PROG(EDITOR, vi, /usr/ucb/vi, $PATH:/usr/ucb)
224 AC_PATH_PROG(FINGER, finger, /usr/ucb/finger, $PATH:/usr/ucb)
225
226 dnl Checks the compiler and UNIX Variants
227
228 if test $cross_compiling = yes -a $ol_enable_x_compile = yes; then
229         AC_MSG_WARN([cross compiling....  some functionality will be removed.])
230
231 elif test $cross_compiling = no -a $ol_enable_x_compile = yes; then
232         AC_MSG_WARN([programs compiled here do run here...])
233         AC_MSG_ERROR([  if not cross compiling, use --disable-x-compile.])
234
235 elif test $cross_compiling = yes -a $ol_enable_x_compile = no; then
236         AC_MSG_WARN([programs compiled here do not run here...])
237         AC_MSG_ERROR([  if cross compiling,  add --enable-x-compile.])
238 fi
239
240 AC_PROG_CPP
241
242 AC_AIX
243 AC_ISC_POSIX
244 AC_MINIX
245
246 dnl OpenLDAP requires STDC features
247 AM_PROG_CC_STDC
248 if test "X${am_cv_prog_cc_stdc}" = "Xno" ; then
249         AC_MSG_ERROR([OpenLDAP requires compiler to support STDC prototypes.])
250 fi
251
252 dnl AM_C_PROTOTYPES
253
254 dnl Checks for libraries
255
256 dnl Find socket()
257 dnl Likely combinations:
258 dnl             -lsocket [ -lnsl_s | -lnsl ]
259 dnl             -linet
260
261 AC_CHECK_FUNC(socket, [have_socket=yes], [      
262 dnl
263 dnl hopefully we won't include too many libraries
264 dnl
265         AC_CHECK_LIB(socket, main)
266         AC_CHECK_LIB(net, main)
267         AC_CHECK_LIB(nsl_s, main)
268         AC_CHECK_LIB(nsl, main)
269         AC_CHECK_LIB(inet, socket)
270         AC_CHECK_LIB(gen, main)
271 ])
272
273 dnl Check for resolv
274 AC_CHECK_LIB(resolv, res_search)
275
276 dnl HP-UX requires -lV3
277 AC_CHECK_LIB(V3, sigset)
278
279 # ISODE tests
280 ol_link_isode=no
281 if test $ol_enable_ldapd != no ; then
282         dnl look for ISODE libraries
283         AC_CHECK_LIB(xtpp, main, [
284                 ol_link_isode=yes
285                 AC_DEFINE(HAVE_XTPP,1)
286                 LDAPD_LIBS="$LDAPD_LIBS -lxtpp -lxtdsap -lxtisode -losi"
287                 ],:,[-lxtdsap -lxtisode -losi])
288         AC_CHECK_LIB(dsap, main, [
289                 ol_link_isode=yes
290                 AC_DEFINE(HAVE_DSAP,1)
291                 LDAPD_LIBS="$LDAPD_LIBS -ldsap"
292                 ],:,[-lisode])
293         AC_CHECK_LIB(isode, main, [
294                 ol_link_isode=yes
295                 AC_DEFINE(HAVE_ISODE,1)
296                 LDAPD_LIBS="$LDAPD_LIBS -lisode"
297                 ],:)
298 fi
299
300 if test $ol_link_isode != no; then
301         AC_CHECK_LIB(pp, main, [
302                 AC_DEFINE(HAVE_PP,1)
303                 LDAPD_LIBS="-lpp $LDAPD_LIBS"
304                 ],:)
305
306         AC_PATH_PROG(PEPSY, pepsy)
307 fi
308
309 if test $ol_with_kerberos = auto -o $ol_with_kerberos = k5 ; then
310         AC_CHECK_HEADERS(kerberosIV/krb.h kerberosIV/des.h)
311
312         if test $ac_cv_header_kerberosIV_krb_h = yes ; then
313                 AC_CHECK_LIB(krb4, main, [have_k5=yes], [have_k5=no],
314                         [-lkrb5 -ldes425])
315
316                 if test $have_k5 = yes ; then
317                         ol_with_kerberos=found
318                         ol_link_kerberos=yes
319
320                         AC_DEFINE(HAVE_KERBEROS)
321
322                         KRB_LIBS="-lkrb4 -lkrb5 -ldes425"
323                 fi
324         fi
325 fi
326 if test $ol_with_kerberos = auto -o $ol_with_kerberos = k4 ; then
327         AC_CHECK_HEADERS(krb.h des.h)
328
329         if test $ac_cv_header_krb_h = yes ; then
330                 AC_CHECK_LIB(krb, main, [have_k4=yes], [have_k4=no], [-ldes])
331
332                 if test $have_k4 = yes ; then
333                         ol_with_kerberos=found
334                         ol_link_kerberos=yes
335
336                         AC_DEFINE(HAVE_KERBEROS)
337
338                         KRB_LIBS="-lkrb -ldes"
339                 fi
340         fi
341 fi
342
343 ol_link_threads=no
344 if test $ol_with_threads = auto -o $ol_with_threads = posix ; then
345         AC_CHECK_HEADERS(pthread.h sched.h)
346
347         if test $ac_cv_header_pthread_h = yes ; then
348                 OL_POSIX_THREAD_VERSION
349
350                 if test $ol_cv_pthread_version = final ; then
351                         AC_DEFINE(HAVE_PTHREADS_FINAL)
352                 elif test $ol_cv_pthread_version = draft4 ; then
353                         AC_DEFINE(HAVE_PTHREADS_D4)
354                 else
355                         AC_MSG_ERROR([unknown pthread version])
356                 fi
357
358                 # consider threads found
359                 ol_with_threads=found
360
361                 OL_LINUX_THREADS
362
363                 if test $ol_cv_linux_threads = yes ; then
364                         AC_DEFINE(HAVE_LINUX_THREADS,1)
365                 fi
366
367                 dnl Now the hard part, how to link
368
369                 dnl Check for pthread support in current $LIBS
370                 AC_CHECK_FUNC(pthread_create,[ol_link_threads=yes])
371
372                 if test $ol_link_threads = no ; then
373                         dnl try -pthread
374                         AC_CACHE_CHECK([for pthread_create with -pthread],
375                                 [ol_cv_pthread_flag], [
376                                 dnl save the flags
377                                 save_LIBS="$LIBS"
378                                 LIBS="-pthread $LIBS"
379                                 AC_TRY_LINK([char pthread();],[
380                                         pthread_create();
381                                         ], ol_cv_pthread_flag=yes, ol_cv_pthread_flag=no)
382                                 dnl restore the LIBS
383                                 LIBS="$save_LIBS"
384                         ])
385
386                         if test $ol_cv_pthread_flag = yes ; then
387                                 LTHREAD_LIBS="$LTHREAD_LIBS -pthread"
388                                 ol_link_threads=posix
389                         fi
390                 fi
391
392                 if test $ol_link_threads = no ; then
393                         dnl try -thread
394                         AC_CACHE_CHECK([for pthread_create with -thread],
395                                 [ol_cv_thread_flag], [
396                                 dnl save the flags
397                                 save_LIBS="$LIBS"
398                                 LIBS="-thread $LIBS"
399                                 AC_TRY_LINK([char pthread();],[
400                                         pthread_create();
401                                         ], ol_cv_thread_flag=yes, ol_cv_thread_flag=no)
402                                 dnl restore the LIBS
403                                 LIBS="$save_LIBS"
404                         ])
405
406                         if test $ol_cv_thread_flag = yes ; then
407                                 LTHREAD_LIBS="$LTHREAD_LIBS -thread"
408                                 ol_link_threads=posix
409                         fi
410                 fi
411
412                 if test $ol_link_threads = no ; then
413                         dnl try DEC Threads -lpthread -lexc
414                         save_LIBS="$LIBS"
415                         AC_CHECK_LIB(pthread, pthread_join, [
416                                 ol_link_threads=posix
417                                 LTHREAD_LIBS="$LTHREAD_LIBS -lpthread -lexc"
418                                 if test $ol_with_preemptive = auto ; then
419                                         ol_with_preemptive=yes
420                                 fi
421                                 ],,[-lexc])
422                         LIBS="$save_LIBS"
423                 fi
424
425                 if test $ol_link_threads = no ; then
426                         dnl try DEC Threads -lpthreads -lmach -lexc -lc_r
427                         save_LIBS="$LIBS"
428                         AC_CHECK_LIB(pthreads, pthread_join, [
429                                 ol_link_threads=posix
430                                 LTHREAD_LIBS="$LTHREAD_LIBS -lpthreads -lmach -lexc -lc_r"
431                                 if test $ol_with_preemptive = auto ; then
432                                         ol_with_preemptive=yes
433                                 fi
434                                 ],,[-lmach -lexc -lc_r])
435                         LIBS="$save_LIBS"
436                 fi
437
438                 if test $ol_link_threads = no ; then
439                         dnl try -lpthread
440                         save_LIBS="$LIBS"
441                         AC_CHECK_LIB(pthread, pthread_create, [
442                                 ol_link_threads=posix
443                                 LTHREAD_LIBS="$LTHREAD_LIBS -lpthread"])
444                         LIBS="$save_LIBS"
445                 fi
446
447                 if test $ol_link_threads = no ; then
448                         dnl try -lc_r
449                         save_LIBS="$LIBS"
450                         AC_CHECK_LIB(c_r, pthread_create, [
451                                 ol_link_threads=posix
452                                 LTHREAD_LIBS="$LTHREAD_LIBS -lc_r"])
453                         LIBS="$save_LIBS"
454                 fi
455
456                 if test $ol_link_threads != no ; then
457                         AC_DEFINE(HAVE_PTHREADS)
458
459                         dnl save flags
460                         save_CPPFLAGS="$CPPFLAGS"
461                         save_LIBS="$LIBS"
462                         LIBS="$LTHREAD_LIBS $LIBS"
463
464                         dnl All POSIX Thread (final) implementations should have
465                         dnl sched_yield instead of pthread yield.
466                         dnl check for both
467                         AC_CHECK_FUNCS(sched_yield pthread_yield)
468
469                         if test $ac_cv_func_sched_yield = no -a \
470                                 $ac_cv_func_pthread_yield = no ; then
471                                 dnl Digital UNIX has sched_yield() in -lrt
472                                 AC_CHECK_LIB(rt, sched_yield,
473                                         [LTHREAD_LIBS="$LTHREAD_LIBS -lrt"
474                                         AC_DEFINE(HAVE_SCHED_YIELD,1)
475                                         ac_cv_func_sched_yield=yes],
476                                         [ac_cv_func_sched_yield=no])
477                         fi
478                         if test $ac_cv_func_sched_yield = no -a \
479                                 $ac_cv_func_pthread_yield = no ; then
480                                 dnl Solaris has sched_yield() in -lposix4
481                                 AC_CHECK_LIB(posix4, sched_yield,
482                                         [LTHREAD_LIBS="$LTHREAD_LIBS -lposix4"
483                                         AC_DEFINE(HAVE_SCHED_YIELD,1)
484                                         ac_cv_func_sched_yield=yes],
485                                         [ac_cv_func_sched_yield=no])
486                         fi
487                         if test $ac_cv_func_sched_yield = no -a \
488                                 $ac_cv_func_pthread_yield = no ; then
489                                 AC_MSG_WARN([could not locate sched_yield() or pthread_yield()])
490                                 AC_MSG_ERROR([POSIX Threads are not usable])
491                         fi
492
493                         dnl Check functions for compatibility
494                         AC_CHECK_FUNCS(pthread_kill)
495                         AC_CHECK_FUNCS( \
496                                 pthread_attr_create pthread_attr_init \
497                                 pthread_attr_destroy pthread_attr_delete \
498                                 pthread_attr_setdetachstate pthread_attr_setdetach_np \
499                         )
500
501                         dnl Check for setconcurreny functions
502                         AC_CHECK_FUNCS( \
503                                 pthread_setconcurrency \
504                                 thr_setconcurrency \
505                         )
506
507                         dnl Check PREEMPTIVE Implementation 
508                         if test $ol_with_preemptive = auto ; then
509                                 AC_MSG_CHECKING([for preemptive Pthread implementation])
510                                 AC_TRY_RUN([
511 #include <sys/types.h>
512 #include <sys/time.h>
513 #include <unistd.h>
514 #include <pthread.h>
515 #ifndef NULL
516 #define NULL 0
517 #endif
518
519 int task(arg)
520         int *arg;
521 {
522         int i;
523         struct timeval tv;
524
525         tv.tv_sec=5;
526         tv.tv_usec=0;
527
528         /* we're not interested in any fds */
529         i = select(FD_SETSIZE, NULL, NULL, NULL, &tv);
530
531         if(i < 0) {
532                 perror("select");
533         }
534
535         exit(1); /* if we exit here, the select blocked the whole process */
536 }
537
538 main(argc, argv)
539 int argc; char **argv;
540 {
541         pthread_t t;
542
543 #ifdef HAVE_PTHREAD_SETCONCURRENCY
544         (void) pthread_setconcurrency(2);
545 #else
546 #ifdef HAVE_THR_SETCONCURRENCY
547         /* Set Solaris LWP concurrency to 2 */
548         thr_setconcurrency(2);
549 #endif
550 #endif
551
552         pthread_create(&t, NULL, (void *) task, NULL);
553
554 #if HAVE_SCHED_YIELD
555         sched_yield();  /* make sure task runs first */
556 #else
557 #ifdef HAVE_PTHREAD_YIELD
558         pthread_yield();        /* make sure task runs first */
559 #endif
560 #endif
561         exit(0);
562 }
563                                 ], [ol_pthread_preemptive=yes], [ol_pthread_preemptive=no], [
564                                 AC_MSG_ERROR([crossing compiling: use --with-preemptive=yes|no|manual])])
565                                 AC_MSG_RESULT($ol_pthread_preemptive)
566
567                                 if test $ol_pthread_preemptive = yes ; then
568                                         AC_DEFINE(HAVE_PREEMPTIVE_PTHREADS)
569                                         ol_with_preemptive=yes
570                                 fi
571                         fi
572
573 dnl                     dnl check for reentrant/threadsafe functions
574 dnl                     AC_CHECK_FUNCS( \
575 dnl                             feof_unlocked \
576 dnl                             unlocked_feof \
577 dnl                             ftrylockfile \
578 dnl                             flockfile \
579 dnl                             putc_unlocked \
580 dnl                             gmtime_r \
581 dnl                             strtok_r \
582 dnl                     )
583
584                         dnl restore flags
585                         CPPFLAGS="$save_CPPFLAGS"
586                         LIBS="$save_LIBS"
587                 else
588                         AC_MSG_ERROR([could not link with POSIX Threads])
589                 fi
590         fi
591
592         if test $ol_with_threads = posix ; then
593                 AC_MSG_ERROR([could not locate POSIX Threads])
594         fi
595 fi
596
597 if test $ol_with_threads = auto -o $ol_with_threads = mach ; then
598         dnl check for Mach CThreads
599         AC_CHECK_HEADERS(mach/cthreads.h)
600         if test $ac_cv_header_mach_cthreads_h = yes ; then
601                 ol_with_threads=found
602
603                 dnl check for cthread support in current $LIBS
604                 AC_CHECK_FUNC(cthread_fork,[ol_link_threads=yes])
605
606                 if test $ol_link_threads = no ; then
607                         dnl try -all_load
608                         dnl this test needs work
609                         AC_CACHE_CHECK([for cthread_fork with -all_load],
610                                 [ol_cv_cthread_all_load], [
611                                 dnl save the flags
612                                 save_LIBS="$LIBS"
613                                 LIBS="-all_load $LIBS"
614                                 AC_TRY_LINK([#include <mach/cthreads.h>],[
615                                         cthread_fork((void *)0, (void *)0);
616                                         ], ol_cv_cthread_all_load=yes, ol_cv_cthread_all_load=no)
617                                 dnl restore the LIBS
618                                 LIBS="$save_LIBS"
619                         ])
620
621                         if test $ol_cv_cthread_all_load = yes ; then
622                                 LTHREAD_LIBS="$LTHREAD_LIBS -all_load"
623                                 ol_link_threads=mach
624                         fi
625                 fi
626
627                 if test $ol_link_threads != no ; then
628                         : check for cthread specific functionality here
629                         AC_DEFINE(HAVE_MACH_CTHREADS,1)
630                 else
631                         AC_MSG_ERROR([could not link with Mach CThreads])
632                 fi
633         fi
634
635         if test $ol_with_threads = mach ; then
636                 AC_MSG_ERROR([could not locate Mach CThreads])
637         fi
638 fi
639
640 if test $ol_with_threads = auto -o $ol_with_threads = lwp ; then
641         dnl check for SunOS5 LWP
642         AC_CHECK_HEADERS(thread.h synch.h)
643         if test $ac_cv_header_thread_h = yes -a $ac_cv_header_synch_h = yes ; then
644                 AC_CHECK_LIB(thread, thr_create, [have_thr=yes], [have_thr=no])
645
646                 if test $have_thr = yes ; then
647                         AC_DEFINE(HAVE_THR)
648                         LTHREAD_LIBS="$LTHREAD_LIBS -lthread"
649                         ol_link_threads=thr
650
651                         if test $ol_with_preemptive = auto ; then
652                                 ol_with_preemptive=yes
653                         fi
654                 fi
655         fi
656
657         dnl check for SunOS4 LWP
658         AC_CHECK_HEADERS(lwp/lwp.h)
659         if test $ac_cv_header_lwp_lwp_h = yes ; then
660                 AC_CHECK_LIB(lwp, lwp_create, [have_lwp=yes], [have_lwp=no])
661
662                 if test $have_lwp = yes ; then
663                         AC_DEFINE(HAVE_LWP)
664                         LTHREAD_LIBS="$LTHREAD_LIBS -llwp"
665                         ol_link_threads=lwp
666
667                         if test $ol_with_preemptive = auto ; then
668                                 ol_with_preemptive=no
669                         fi
670                 fi
671         fi
672 fi
673
674 if test $ol_with_preemptive = yes ; then
675         AC_DEFINE(PREEMPTIVE_THREADS,1)
676 fi
677
678 if test $ol_with_threads = manual ; then
679         dnl User thinks he can manually configure threads.
680         ol_link_threads=yes
681
682         AC_MSG_WARN([thread defines and link options must be set manually])
683
684         AC_CHECK_HEADERS(pthread.h sched.h)
685         AC_CHECK_FUNCS(sched_yield pthread_yield)
686         OL_LINUX_THREADS
687
688         AC_CHECK_HEADERS(mach/cthreads.h)
689         AC_CHECK_HEADERS(lwp/lwp.h)
690         AC_CHECK_HEADERS(thread.h synch.h)
691 fi
692
693 if test $ol_with_threads != no ; then  
694         dnl needed to get reentrant/threadsafe versions
695         dnl
696         AC_DEFINE(_REENTRANT,1)
697         AC_DEFINE(_THREAD_SAFE,1)
698         AC_DEFINE(_THREADSAFE,1)
699
700         dnl this might cause the errno symbol to be
701         dnl replaced with a function to get a thread specific errno.
702         dnl check to see if everything needs to be compiled
703         dnl with the thread libraries
704         AC_CACHE_CHECK([for thread specific errno],
705                 [ol_cv_errno_thread_specific], [
706                 AC_TRY_LINK([
707 #include <errno.h>
708                         ], [
709 int x = errno;
710                         ],
711                         [ol_cv_errno_thread_specific=yes],
712                         [ol_cv_errno_thread_specific=no])
713         ])
714
715         if test $ol_cv_errno_thread_specific != yes ; then
716                 LIBS="$LTHREAD_LIBS $LIBS"
717                 LTHREAD_LIBS=""
718         fi
719 fi  
720
721 dnl ----------------------------------------------------------------
722
723 if test $ol_link_threads = no ; then
724         if test $ol_with_threads = yes ; then
725                 AC_MSG_ERROR([no suitable thread support])
726         fi
727
728         if test $ol_with_threads = auto ; then
729                 AC_MSG_WARN([no suitable thread support, disabling threads])
730                 ol_with_threads=no
731         fi
732
733         AC_DEFINE(NO_THREADS,1)
734         AC_DEFINE(PREEMPTIVE_THREADS,1)
735         LTHREAD_LIBS=""
736 fi
737
738 ol_link_ldbm=no 
739 if test $ol_with_ldbm_api = auto -o $ol_with_ldbm_api = db2 ; then
740         OL_BERKELEY_DB2
741
742         if test $ol_cv_berkeley_db2 = yes ; then
743                 ol_link_ldbm=db2
744                 ol_with_ldbm_api=db2
745
746                 if test $ol_with_ldbm_type = hash ; then
747                         AC_DEFINE(LDBM_USE_DBHASH,1)
748                 else
749                         AC_DEFINE(LDBM_USE_DBBTREE,1)
750                 fi
751
752                 dnl $ol_cv_lib_db2 should be yes or -ldb
753                 dnl (it could be no, but that would be an error
754                 if test $ol_cv_lib_db2 != yes ; then
755                         LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_db2"
756                 fi
757         fi
758 fi
759
760 if test $ol_with_ldbm_api = auto -o $ol_with_ldbm_api = db ; then
761         OL_BERKELEY_DB
762
763         if test $ol_cv_berkeley_db = yes ; then
764                 ol_link_ldbm=db
765                 ol_with_ldbm_api=db
766
767                 if test $ol_with_ldbm_type = hash ; then
768                         AC_DEFINE(LDBM_USE_DBHASH,1)
769                 else
770                         AC_DEFINE(LDBM_USE_DBBTREE,1)
771                 fi
772
773                 dnl $ol_cv_lib_db should be yes or -ldb
774                 dnl (it could be no, but that would be an error
775                 if test $ol_cv_lib_db != yes ; then
776                         LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_db"
777                 fi
778         fi
779 fi
780
781 if test $ol_with_ldbm_api = manual ; then
782         dnl User thinks he can manually configure LDBM api.
783         ol_link_ldbm=yes
784
785         AC_MSG_WARN([LDBM defines and link options must be set manually])
786
787         AC_CHECK_HEADERS(db.h db_185.h gdbm.h ndbm.h)
788 fi
789
790 if test $ol_link_ldbm = no -a $ol_with_ldbm_type = btree ; then
791         AC_MSG_WARN(Could not find LDBM with BTREE support)
792         ol_with_ldbm_api=none
793 fi
794
795 if test $ol_with_ldbm_api = auto -o $ol_with_ldbm_api = gdbm ; then
796         OL_GDBM
797
798         if test $ol_cv_gdbm = yes ; then
799                 ol_link_ldbm=gdbm
800                 ol_with_ldbm_api=gdbm
801
802                 if test $ol_cv_lib_gdbm != yes ; then
803                         LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_gdbm"
804                 fi
805         fi
806 fi
807
808 if test $ol_with_ldbm_api = auto -o $ol_with_ldbm_api = ndbm ; then
809         OL_NDBM
810
811         if test $ol_cv_ndbm = yes ; then
812                 if test $ol_with_ldbm_api = auto ; then
813                         AC_MSG_WARN([Attempting to use NDBM.  Functionality will be limited.])
814                 fi
815
816                 ol_link_ldbm=ndbm
817                 ol_with_ldbm_api=ndbm
818
819                 if test $ol_cv_lib_ndbm != yes ; then
820                         LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_ndbm"
821                 fi
822         fi
823 fi
824
825 if test $ol_link_ldbm = no -a $ol_enable_ldbm != no ; then
826         AC_MSG_WARN(could not find suitable LDBM backend)
827         if test $ol_enable_ldbm = yes ; then
828                 AC_MSG_ERROR(select appropriate LDBM options or disable)
829         fi
830
831         AC_MSG_WARN(disabling LDBM)
832         ol_enable_ldbm=no
833 fi
834
835 if test $ol_enable_wrappers = yes ; then
836         AC_CHECK_LIB(wrap, hosts_access,
837                 [have_wrappers=yes], [have_wrappers=no])
838
839         if test $have_wrappers = yes ; then
840                 AC_DEFINE(HAVE_TCPD)
841                 SLAPD_LIBS="$SLAPD_LIBS -lwrap"
842         else
843                 AC_MSG_WARN(could not find -lwrap)
844                 if test $ol_enable_wrappers = yes ; then
845                         AC_MSG_ERROR(could not find wrappers, select appropriate options or disable)
846                 fi
847
848                 AC_MSG_WARN(disabling wrappers support)
849                 ol_enable_wrappers=no
850         fi
851
852 fi
853
854 # ud needs termcap (should insert check here)
855 ol_link_termcap=no
856 AC_CHECK_HEADERS(termcap.h ncurses.h)
857
858 if test $ol_link_termcap = no ; then
859         AC_CHECK_LIB(termcap, tputs, [have_termcap=yes], [have_termcap=no])
860         if test $have_termcap = yes ; then
861                 AC_DEFINE(HAVE_TERMCAP)
862                 ol_link_termcap=yes
863                 TERMCAP_LIBS=-ltermcap
864         fi
865 fi
866
867 if test $ol_link_termcap = no ; then
868         AC_CHECK_LIB(ncurses, initscr, [have_ncurses=yes], [have_ncurses=no])
869         if test $have_ncurses = yes ; then
870                 AC_DEFINE(HAVE_NCURSES)
871                 ol_link_termcap=yes
872                 TERMCAP_LIBS=-lncurses
873         fi
874 fi
875
876 if test $ol_link_termcap = no ; then
877         AC_DEFINE(NO_TERMCAP,1)
878         TERMCAP_LIBS=
879 fi
880
881 # FreeBSD (and others) have crypt(3) in -lcrypt
882 if test $ol_enable_crypt != no ; then
883         AC_CHECK_FUNC(crypt, [have_crypt=yes], [
884                 AC_CHECK_LIB(crypt, crypt, [LUTIL_LIBS="$LUTIL_LIBS -lcrypt"
885                         have_crypt=yes], [have_crypt=no])])
886
887         if test $have_crypt = yes ; then
888                 AC_DEFINE(HAVE_CRYPT,1)
889         else
890                 AC_MSG_WARN(could not find crypt)
891                 if test $ol_enable_crypt = yes ; then
892                         AC_MSG_ERROR(could not find crypt, select appropriate options or disable)
893                 fi
894
895                 AC_MSG_WARN(disabling crypt support)
896                 ol_enable_crypt=no
897         fi
898 fi
899
900 # FreeBSD (and others) have setproctitle(3) in -lutil
901 if test $ol_enable_proctitle != no ; then
902         AC_CHECK_FUNC(setproctitle,     [have_setproctitle=yes], [
903                 AC_CHECK_LIB(util, setproctitle,
904                         [have_setproctitle=yes
905                         LUTIL_LIBS="$LUTIL_LIBS -lutil"],
906                         [have_setproctitle=no
907                         LIBOBJS="$LIBOBJS setproctitle.o"])])
908
909         if test $have_setproctitle = yes ; then
910                 AC_DEFINE(HAVE_SETPROCTITLE,1)
911         fi
912 fi
913
914 dnl ----------------------------------------------------------------
915 dnl Checks for header files.
916 AC_HEADER_STDC
917
918 if test $ac_cv_header_stdc != yes; then
919         AC_MSG_WARN([could not Standard C compliant headers])
920 fi
921
922 AC_HEADER_DIRENT
923 AC_HEADER_SYS_WAIT
924 AM_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL
925 if test $am_cv_sys_posix_termios = yes ; then
926         AC_DEFINE(HAVE_POSIX_TERMIOS,1)
927 fi
928
929 AC_CHECK_HEADERS(       \
930         crypt.h                 \
931         errno.h                 \
932         fcntl.h                 \
933         filio.h                 \
934         getopt.h                \
935         libutil.h               \
936         limits.h                \
937         malloc.h                \
938         memory.h                \
939         regex.h                 \
940         psap.h                  \
941         pwd.h                   \
942         sgtty.h                 \
943         stdarg.h                \
944         stddef.h                \
945         string.h                \
946         strings.h               \
947         sys/file.h              \
948         sys/filio.h             \
949         sys/errno.h             \
950         sys/ioctl.h             \
951         sys/param.h             \
952         sys/resource.h  \
953         sys/socket.h    \
954         sys/syslog.h    \
955         sys/types.h             \
956         syslog.h                \
957         termios.h               \
958 )
959
960 dnl ----------------------------------------------------------------
961 dnl Checks for typedefs, structures, and compiler characteristics.
962 AC_TYPE_GETGROUPS dnl requires AC_TYPE_UID_T
963 AC_TYPE_MODE_T
964 AC_TYPE_OFF_T
965 AC_TYPE_PID_T
966 AM_TYPE_PTRDIFF_T
967 AC_TYPE_SIGNAL
968 AC_TYPE_SIZE_T
969 AC_STRUCT_ST_BLKSIZE
970 AC_HEADER_TIME
971 AC_STRUCT_TM
972
973 OL_C_UPPER_LOWER
974 AC_C_CONST
975
976 if test $cross_compiling = yes ; then
977         AC_DEFINE(CROSS_COMPILING, 1)
978 else
979         AC_C_BIGENDIAN
980         AC_CHECK_SIZEOF(short) 
981         AC_CHECK_SIZEOF(int) 
982         AC_CHECK_SIZEOF(long)
983 fi
984
985 dnl ----------------------------------------------------------------
986 dnl Checks for library functions.
987 AC_FUNC_MEMCMP
988 AM_FUNC_MKTIME dnl checks for sys/time.h and unistd.h
989 AC_FUNC_STRFTIME
990 AM_FUNC_STRTOD
991 AC_FUNC_VPRINTF
992
993 if test $ac_cv_func_vprintf = yes ; then
994         dnl check for vsnprintf
995         AC_CHECK_FUNCS(vsnprintf)
996 fi
997
998 AC_FUNC_WAIT3
999
1000 AC_CHECK_FUNCS(         \
1001         bcopy                   \
1002         flock                   \
1003         getdtablesize   \
1004         gethostname             \
1005         getpwuid                \
1006         gettimeofday    \
1007         lockf                   \
1008         memcpy                  \
1009         memmove                 \
1010         mkstemp                 \
1011         res_search              \
1012         select                  \
1013         setpwfile               \
1014         setsid                  \
1015         signal                  \
1016         sigset                  \
1017         snprintf                \
1018         socket                  \
1019         strerror                \
1020         strpbrk                 \
1021         strrchr                 \
1022         strsep                  \
1023         strstr                  \
1024         strtok                  \
1025         strtol                  \
1026         strtoul                 \
1027         sysconf                 \
1028         waitpid                 \
1029 )
1030
1031 dnl We actually may need to replace more than this.
1032 AC_REPLACE_FUNCS(getopt strdup tempnam)
1033
1034 dnl ----------------------------------------------------------------
1035 # Check Configuration
1036 OL_SYS_ERRLIST
1037
1038 dnl ----------------------------------------------------------------
1039 dnl Sort out defines
1040
1041 if test $ol_enable_debug != no ; then
1042         AC_DEFINE(LDAP_DEBUG,1)
1043 fi
1044 dnl     if test $ol_enable_syslog != no ; then
1045 dnl             AC_DEFINE(LDAP_SYSLOG,1)
1046 dnl     fi
1047 if test $ol_enable_libui = yes ; then
1048         AC_DEFINE(LDAP_LIBUI,1)
1049 fi
1050 if test $ol_enable_cache = no ; then
1051         AC_DEFINE(LDAP_NOCACHE,1)
1052 fi
1053 if test $ol_enable_dns != no ; then
1054         AC_DEFINE(LDAP_API_FEATURE_X_OPENLDAP_V2_DNS,LDAP_API_VENDOR_VERSION,1)
1055 fi
1056 if test $ol_enable_proctitle != no ; then
1057         AC_DEFINE(LDAP_PROCTITLE,1)
1058 fi
1059 if test $ol_enable_referrals != no ; then
1060         AC_DEFINE(LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS,LDAP_API_VENDOR_VERSION,1)
1061 fi
1062 if test $ol_enable_cldap != no ; then
1063         AC_DEFINE(LDAP_CONNECTIONLESS,1)
1064 fi
1065
1066 if test $ol_enable_aclgroups != no ; then
1067         AC_DEFINE(SLAPD_ACLGROUPS,1)
1068 fi
1069 if test $ol_enable_crypt != no ; then
1070         AC_DEFINE(SLAPD_CRYPT,1)
1071 fi
1072 if test $ol_enable_md5 != no ; then
1073         AC_DEFINE(SLAPD_MD5,1)
1074 fi
1075 if test $ol_enable_sha1 != no ; then
1076         AC_DEFINE(SLAPD_SHA1,1)
1077 fi
1078 if test $ol_enable_phonetic != no ; then
1079         AC_DEFINE(SLAPD_PHONETIC,1)
1080 fi
1081 if test $ol_enable_rlookups != no ; then
1082         AC_DEFINE(SLAPD_RLOOKUPS,1)
1083 fi
1084
1085 if test $ol_link_ldbm != no ; then
1086         AC_DEFINE(SLAPD_LDBM,1)
1087         BUILD_SLAPD=yes
1088         BUILD_LDBM=yes
1089 fi
1090
1091 if test $ol_enable_passwd != no ; then
1092         AC_DEFINE(SLAPD_PASSWD,1)
1093         BUILD_SLAPD=yes
1094         BUILD_PASSWD=yes
1095 fi
1096
1097 if test $ol_enable_shell != no ; then
1098         AC_DEFINE(SLAPD_SHELL,1)
1099         BUILD_SLAPD=yes
1100         BUILD_SHELL=yes
1101 fi
1102
1103 if test $ol_enable_slurpd != no -a $ol_link_threads != no -a \
1104         $BUILD_SLAPD = yes ; then
1105         BUILD_SLURPD=yes
1106 fi
1107
1108 if test $ol_link_isode != no ; then
1109         BUILD_LDAPD=yes
1110 fi
1111
1112 dnl ----------------------------------------------------------------
1113
1114 AC_SUBST(BUILD_LDAPD)
1115 AC_SUBST(BUILD_SLAPD)
1116   AC_SUBST(BUILD_LDBM)
1117   AC_SUBST(BUILD_PASSWD)
1118   AC_SUBST(BUILD_SHELL)
1119 AC_SUBST(BUILD_SLURPD)
1120
1121
1122 AC_SUBST(LDAP_LIBS)
1123 AC_SUBST(LDAPD_LIBS)
1124 AC_SUBST(SLAPD_LIBS)
1125 AC_SUBST(SLURPD_LIBS)
1126 AC_SUBST(LDBM_LIBS)
1127 AC_SUBST(LTHREAD_LIBS)
1128 AC_SUBST(LUTIL_LIBS)
1129
1130 AC_SUBST(KRB_LIBS)
1131 AC_SUBST(TERMCAP_LIBS)
1132
1133 dnl ----------------------------------------------------------------
1134 dnl final output
1135 dnl
1136
1137 AC_OUTPUT( \
1138 Makefile:build/top.mk:Makefile.in:build/dir.mk \
1139 doc/Makefile:build/top.mk:doc/Makefile.in:build/dir.mk \
1140 doc/man/Makefile:build/top.mk:doc/man/Makefile.in:build/dir.mk \
1141 doc/man/man1/Makefile:build/top.mk:doc/man/man1/Makefile.in:build/man.mk \
1142 doc/man/man3/Makefile:build/top.mk:doc/man/man3/Makefile.in:build/man.mk \
1143 doc/man/man5/Makefile:build/top.mk:doc/man/man5/Makefile.in:build/man.mk \
1144 doc/man/man8/Makefile:build/top.mk:doc/man/man8/Makefile.in:build/man.mk \
1145 clients/Makefile:build/top.mk:clients/Makefile.in:build/dir.mk \
1146 clients/finger/Makefile:build/top.mk:clients/finger/Makefile.in:build/rules.mk \
1147 clients/fax500/Makefile:build/top.mk:clients/fax500/Makefile.in:build/rules.mk \
1148 clients/gopher/Makefile:build/top.mk:clients/gopher/Makefile.in:build/rules.mk \
1149 clients/mail500/Makefile:build/top.mk:clients/mail500/Makefile.in:build/rules.mk \
1150 clients/rcpt500/Makefile:build/top.mk:clients/rcpt500/Makefile.in:build/rules.mk \
1151 clients/ud/Makefile:build/top.mk:clients/ud/Makefile.in:build/rules.mk \
1152 clients/tools/Makefile:build/top.mk:clients/tools/Makefile.in:build/rules.mk \
1153 include/Makefile:build/top.mk:include/Makefile.in \
1154 libraries/Makefile:build/top.mk:libraries/Makefile.in:build/dir.mk      \
1155 libraries/libavl/Makefile:build/top.mk:libraries/libavl/Makefile.in:build/lib.mk:build/lib-static.mk    \
1156 libraries/liblber/Makefile:build/top.mk:libraries/liblber/Makefile.in:build/lib.mk:build/lib-shared.mk  \
1157 libraries/libldap/Makefile:build/top.mk:libraries/libldap/Makefile.in:build/lib.mk:build/lib-shared.mk  \
1158 libraries/libldbm/Makefile:build/top.mk:libraries/libldbm/Makefile.in:build/lib.mk:build/lib-static.mk  \
1159 libraries/libldif/Makefile:build/top.mk:libraries/libldif/Makefile.in:build/lib.mk:build/lib-static.mk  \
1160 libraries/liblthread/Makefile:build/top.mk:libraries/liblthread/Makefile.in:build/lib.mk:build/lib-static.mk    \
1161 libraries/liblutil/Makefile:build/top.mk:libraries/liblutil/Makefile.in:build/lib.mk:build/lib-static.mk        \
1162 servers/Makefile:build/top.mk:servers/Makefile.in:build/dir.mk \
1163 servers/ldapd/Makefile:build/top.mk:servers/ldapd/Makefile.in:build/srv.mk \
1164 servers/slapd/Makefile:build/top.mk:servers/slapd/Makefile.in:build/srv.mk \
1165 servers/slapd/back-ldbm/Makefile:build/top.mk:servers/slapd/back-ldbm/Makefile.in:build/srv.mk \
1166 servers/slapd/back-passwd/Makefile:build/top.mk:servers/slapd/back-passwd/Makefile.in:build/srv.mk \
1167 servers/slapd/back-shell/Makefile:build/top.mk:servers/slapd/back-shell/Makefile.in:build/srv.mk \
1168 servers/slapd/shell-backends/Makefile:build/top.mk:servers/slapd/shell-backends/Makefile.in:build/srv.mk \
1169 servers/slapd/tools/Makefile:build/top.mk:servers/slapd/tools/Makefile.in \
1170 servers/slurpd/Makefile:build/top.mk:servers/slurpd/Makefile.in:build/srv.mk \
1171 tests/Makefile:build/top.mk:tests/Makefile.in \
1172 ,[
1173 date > stamp-h
1174 echo Please \"make depend\" to build dependencies
1175 ])