3 dnl Copyright 1998-2002 The OpenLDAP Foundation, Redwood City, California, USA
4 dnl All rights reserved.
6 dnl Redistribution and use in source and binary forms, with or without
7 dnl modification, are permitted only as authorized by the OpenLDAP
8 dnl Public License. A copy of this license is available at
9 dnl http://www.OpenLDAP.org/license.html or in file LICENSE in the
10 dnl top-level directory of the distribution.
12 dnl OpenLDAP Autoconf Macros
14 dnl --------------------------------------------------------------------
15 dnl Restricted form of AC_ARG_ENABLE that limits user options
19 dnl $3 = default value (auto)
20 dnl $4 = allowed values (auto yes no)
21 AC_DEFUN([OL_ARG_ENABLE], [# OpenLDAP --enable-$1
22 AC_ARG_ENABLE($1,changequote(<,>)<$2 [>ifelse($3,,auto,$3)<]>changequote([,]),[
24 for ol_val in ifelse($4,,[auto yes no],[$4]) ; do
25 if test "$enableval" = "$ol_val" ; then
29 if test "$ol_arg" = "invalid" ; then
30 AC_MSG_ERROR(bad value $enableval for --enable-$1)
32 ol_enable_$1="$ol_arg"
34 [ ol_enable_$1=ifelse($3,,"auto","$3")])dnl
35 dnl AC_VERBOSE(OpenLDAP -enable-$1 $ol_enable_$1)
39 dnl --------------------------------------------------------------------
40 dnl Restricted form of AC_ARG_WITH that limits user options
44 dnl $3 = default value (no)
45 dnl $4 = allowed values (yes or no)
46 AC_DEFUN([OL_ARG_WITH], [# OpenLDAP --with-$1
47 AC_ARG_WITH($1,changequote(<,>)<$2 [>ifelse($3,,yes,$3)<]>changequote([,]),[
49 for ol_val in ifelse($4,,[yes no],[$4]) ; do
50 if test "$withval" = "$ol_val" ; then
54 if test "$ol_arg" = "invalid" ; then
55 AC_MSG_ERROR(bad value $withval for --with-$1)
59 [ ol_with_$1=ifelse($3,,"no","$3")])dnl
60 dnl AC_VERBOSE(OpenLDAP --with-$1 $ol_with_$1)
64 dnl ====================================================================
66 AC_DEFUN(AC_COMPILE_CHECK_SIZEOF,
67 [changequote(<<, >>)dnl
68 dnl The name to #define.
69 define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
70 dnl The cache variable name.
71 define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
73 AC_MSG_CHECKING(size of $1)
74 AC_CACHE_VAL(AC_CV_NAME,
75 [for ac_size in 4 8 1 2 16 $2 ; do # List sizes in rough order of prevalence.
76 AC_TRY_COMPILE([#include "confdefs.h"
77 #include <sys/types.h>
79 ], [switch (0) case 0: case (sizeof ($1) == $ac_size):;], AC_CV_NAME=$ac_size)
80 if test x$AC_CV_NAME != x ; then break; fi
83 if test x$AC_CV_NAME = x ; then
84 AC_MSG_ERROR([cannot determine a size for $1])
86 AC_MSG_RESULT($AC_CV_NAME)
87 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [The number of bytes in type $1])
88 undefine([AC_TYPE_NAME])dnl
89 undefine([AC_CV_NAME])dnl
91 dnl ====================================================================
92 dnl check if hard links are supported.
94 AC_DEFUN([OL_PROG_LN_H], [# test for ln hardlink support
95 AC_MSG_CHECKING(whether ln works)
96 AC_CACHE_VAL(ol_cv_prog_LN_H,
97 [rm -f conftest.src conftest.dst
98 echo "conftest" > conftest.src
99 if ln conftest.src conftest.dst 2>/dev/null
105 rm -f conftest.src conftest.dst
107 LN_H="$ol_cv_prog_LN_H"
108 if test "$ol_cv_prog_LN_H" = "ln"; then
116 dnl ====================================================================
117 dnl Check for dependency generation flag
118 AC_DEFUN([OL_MKDEPEND], [# test for make depend flag
121 if test -z "${MKDEP}"; then
123 if test -z "${MKDEP_FLAGS}"; then
124 AC_CACHE_CHECK([for ${OL_MKDEP} depend flag], ol_cv_mkdep, [
126 for flag in "-M" "-xM"; do
127 cat > conftest.c <<EOF
130 if AC_TRY_COMMAND($OL_MKDEP $flag conftest.c) \
131 | egrep '^conftest\.'"${ac_objext}" >/dev/null 2>&1
133 if test ! -f conftest."${ac_object}" ; then
135 OL_MKDEP_FLAGS="$flag"
144 OL_MKDEP_FLAGS="${MKDEP_FLAGS}"
149 OL_MKDEP_FLAGS="${MKDEP_FLAGS}"
152 AC_SUBST(OL_MKDEP_FLAGS)
155 dnl ====================================================================
156 dnl Check if system uses EBCDIC instead of ASCII
157 AC_DEFUN([OL_CPP_EBCDIC], [# test for EBCDIC
158 AC_CACHE_CHECK([for EBCDIC],ol_cv_cpp_ebcdic,[
161 #include <__ASCII__/generate_error.h>
164 [ol_cv_cpp_ebcdic=yes],
165 [ol_cv_cpp_ebcdic=no])])
166 if test $ol_cv_cpp_ebcdic = yes ; then
167 AC_DEFINE(HAVE_EBCDIC,1, [define if system uses EBCDIC instead of ASCII])
171 dnl --------------------------------------------------------------------
172 dnl OpenLDAP version of STDC header check w/ EBCDIC support
173 AC_DEFUN(OL_HEADER_STDC,
175 AC_REQUIRE([OL_CPP_EBCDIC])dnl
176 AC_CACHE_CHECK([for ANSI C header files], ol_cv_header_stdc,
177 [AC_TRY_CPP([#include <stdlib.h>
180 #include <float.h>], ol_cv_header_stdc=yes, ol_cv_header_stdc=no)
182 if test $ol_cv_header_stdc = yes; then
183 # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
184 AC_EGREP_HEADER(memchr, string.h, , ol_cv_header_stdc=no)
187 if test $ol_cv_header_stdc = yes; then
188 # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
189 AC_EGREP_HEADER(free, stdlib.h, , ol_cv_header_stdc=no)
192 if test $ol_cv_header_stdc = yes; then
193 # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
194 AC_TRY_RUN([#include <ctype.h>
196 # define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
197 # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
199 # define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
200 || ('j' <= (c) && (c) <= 'r') \
201 || ('s' <= (c) && (c) <= 'z'))
202 # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
204 #define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
205 int main () { int i; for (i = 0; i < 256; i++)
206 if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
208 ], , ol_cv_header_stdc=no, :)
210 if test $ol_cv_header_stdc = yes; then
211 AC_DEFINE(STDC_HEADERS)
213 ac_cv_header_stdc=disable
216 dnl ====================================================================
217 dnl Check if struct passwd has pw_gecos
218 AC_DEFUN([OL_STRUCT_PASSWD_PW_GECOS], [# test for pw_gecos in struct passwd
219 AC_CACHE_CHECK([struct passwd for pw_gecos],ol_cv_struct_passwd_pw_gecos,[
220 AC_TRY_COMPILE([#include <pwd.h>],[
222 pwd.pw_gecos = pwd.pw_name;
224 [ol_cv_struct_passwd_pw_gecos=yes],
225 [ol_cv_struct_passwd_pw_gecos=no])])
226 if test $ol_cv_struct_passwd_pw_gecos = yes ; then
227 AC_DEFINE(HAVE_PW_GECOS,1, [define if struct passwd has pw_gecos])
231 dnl --------------------------------------------------------------------
232 dnl Check if struct passwd has pw_passwd
233 AC_DEFUN([OL_STRUCT_PASSWD_PW_PASSWD], [# test for pw_passwd in struct passwd
234 AC_CACHE_CHECK([struct passwd for pw_passwd],ol_cv_struct_passwd_pw_passwd,[
235 AC_TRY_COMPILE([#include <pwd.h>],[
237 pwd.pw_passwd = pwd.pw_name;
239 [ol_cv_struct_passwd_pw_passwd=yes],
240 [ol_cv_struct_passwd_pw_passwd=no])])
241 if test $ol_cv_struct_passwd_pw_passwd = yes ; then
242 AC_DEFINE(HAVE_PW_PASSWD,1, [define if struct passwd has pw_passwd])
246 dnl ====================================================================
247 dnl Berkeley DB macros
249 dnl --------------------------------------------------------------------
251 AC_DEFUN([OL_BERKELEY_DB_TRY],
252 [if test $ol_cv_lib_db = no ; then
253 AC_CACHE_CHECK([for Berkeley DB link (]ifelse($2,,default,$2)[)],[$1],
255 ol_DB_LIB=ifelse($2,,,$2)
257 LIBS="$ol_DB_LIB $LIBS"
266 #ifndef DB_VERSION_MAJOR
267 # define DB_VERSION_MAJOR 1
271 #define NULL ((void*)0)
274 #if DB_VERSION_MAJOR > 1
277 int major, minor, patch;
279 version = db_version( &major, &minor, &patch );
281 if( major != DB_VERSION_MAJOR ||
282 minor < DB_VERSION_MINOR )
284 printf("Berkeley DB version mismatch\n"
285 "\texpected: %s\n\tgot: %s\n",
286 DB_VERSION_STRING, version);
292 #if DB_VERSION_MAJOR > 2
293 db_env_create( NULL, 0 );
294 #elif DB_VERSION_MAJOR > 1
297 (void) dbopen( NULL, 0, 0, 0, NULL);
304 if test $$1 = yes ; then
305 ol_cv_lib_db=ifelse($2,,yes,$2)
310 dnl --------------------------------------------------------------------
311 dnl Try to locate appropriate library
312 AC_DEFUN([OL_BERKELEY_DB_LINK],
314 OL_BERKELEY_DB_TRY(ol_cv_db_none)
315 OL_BERKELEY_DB_TRY(ol_cv_db_db4,[-ldb4])
316 OL_BERKELEY_DB_TRY(ol_cv_db_db_4,[-ldb-4])
317 OL_BERKELEY_DB_TRY(ol_cv_db_db,[-ldb])
318 OL_BERKELEY_DB_TRY(ol_cv_db_db3,[-ldb3])
319 OL_BERKELEY_DB_TRY(ol_cv_db_db_3,[-ldb-3])
320 OL_BERKELEY_DB_TRY(ol_cv_db_db2,[-ldb2])
321 OL_BERKELEY_DB_TRY(ol_cv_db_db_2,[-ldb-2])
322 OL_BERKELEY_DB_TRY(ol_cv_db_db1,[-ldb1])
323 OL_BERKELEY_DB_TRY(ol_cv_db_db_1,[-ldb-1])
326 dnl --------------------------------------------------------------------
327 dnl Check if Berkeley DB supports DB_THREAD
328 AC_DEFUN([OL_BERKELEY_DB_THREAD],
329 [AC_CACHE_CHECK([for Berkeley DB thread support], [ol_cv_berkeley_db_thread], [
331 if test $ol_cv_lib_db != yes ; then
342 #define NULL ((void *)0)
347 u_int32_t flags = DB_CREATE |
353 #if DB_VERSION_MAJOR > 2
356 rc = db_env_create( &env, 0 );
358 flags |= DB_INIT_MPOOL;
359 #ifdef DB_MPOOL_PRIVATE
360 flags |= DB_MPOOL_PRIVATE;
364 printf("BerkeleyDB: %s\n", db_strerror(rc) );
368 #if (DB_VERSION_MAJOR > 3) || (DB_VERSION_MINOR >= 1)
369 rc = env->open( env, NULL, flags, 0 );
371 rc = env->open( env, NULL, NULL, flags, 0 );
375 rc = env->close( env, 0 );
379 printf("BerkeleyDB: %s\n", db_strerror(rc) );
385 memset( &env, '\0', sizeof(env) );
387 rc = db_appinit( NULL, NULL, &env, flags );
393 unlink("__db_mpool.share");
394 unlink("__db_lock.share");
399 [ol_cv_berkeley_db_thread=yes],
400 [ol_cv_berkeley_db_thread=no],
401 [ol_cv_berkeley_db_thread=cross])
405 if test $ol_cv_berkeley_db_thread != no ; then
406 AC_DEFINE(HAVE_BERKELEY_DB_THREAD, 1,
407 [define if Berkeley DB has DB_THREAD support])
411 dnl --------------------------------------------------------------------
413 AC_DEFUN([OL_BERKELEY_DB],
414 [ol_cv_berkeley_db=no
415 AC_CHECK_HEADERS(db.h)
416 if test $ac_cv_header_db_h = yes; then
418 if test "$ol_cv_lib_db" != no ; then
419 ol_cv_berkeley_db=yes
420 OL_BERKELEY_DB_THREAD
424 dnl --------------------------------------------------------------------
425 dnl Check for version compatility with back-bdb
426 AC_DEFUN([OL_BDB_COMPAT],
427 [AC_CACHE_CHECK([Berkeley DB version for BDB backend], [ol_cv_bdb_compat],[
428 AC_EGREP_CPP(__db_version_compat,[
431 /* this check could be improved */
432 #ifndef DB_VERSION_MAJOR
433 # define DB_VERSION_MAJOR 1
436 /* require 4.0 or later */
437 #if DB_VERSION_MAJOR >= 4
440 ], [ol_cv_bdb_compat=yes], [ol_cv_bdb_compat=no])])
443 dnl --------------------------------------------------------------------
444 dnl Find old Berkeley DB 1.85/1.86
445 AC_DEFUN([OL_BERKELEY_COMPAT_DB],
446 [AC_CHECK_HEADERS(db_185.h db.h)
447 if test $ac_cv_header_db_185_h = yes -o $ac_cv_header_db_h = yes; then
448 AC_CACHE_CHECK([if Berkeley DB header compatibility], [ol_cv_header_db1],[
449 AC_EGREP_CPP(__db_version_1,[
456 /* this check could be improved */
457 #ifndef DB_VERSION_MAJOR
458 # define DB_VERSION_MAJOR 1
461 #if DB_VERSION_MAJOR == 1
464 ], [ol_cv_header_db1=yes], [ol_cv_header_db1=no])])
466 if test $ol_cv_header_db1 = yes ; then
468 if test "$ol_cv_lib_db" != no ; then
469 ol_cv_berkeley_db=yes
475 dnl ====================================================================
476 dnl Check if GDBM library exists
477 dnl Check for gdbm_open in standard libraries or -lgdbm
479 dnl defines ol_cv_lib_gdbm to 'yes' or '-lgdbm' or 'no'
480 dnl 'yes' implies gdbm_open is in $LIBS
483 dnl AC_CHECK_FUNC(gdbm_open)
484 dnl AC_CHECK_LIB(gdbm,gdbm_open)
486 AC_DEFUN([OL_LIB_GDBM],
487 [AC_CACHE_CHECK(for GDBM library, [ol_cv_lib_gdbm],
489 AC_CHECK_FUNC(gdbm_open,[ol_cv_lib_gdbm=yes], [
490 AC_CHECK_LIB(gdbm,gdbm_open,[ol_cv_lib_gdbm=-lgdbm],[ol_cv_lib_gdbm=no])
496 dnl --------------------------------------------------------------------
497 dnl Check if GDBM exists
499 dnl defines ol_cv_gdbm to 'yes' or 'no'
503 dnl AC_CHECK_HEADERS(gdbm.h)
506 [AC_REQUIRE([OL_LIB_GDBM])
507 AC_CHECK_HEADERS(gdbm.h)
508 AC_CACHE_CHECK(for db, [ol_cv_gdbm], [
509 if test $ol_cv_lib_gdbm = no -o $ac_cv_header_gdbm_h = no ; then
515 if test $ol_cv_gdbm = yes ; then
516 AC_DEFINE(HAVE_GDBM,1, [define if GNU DBM is available])
520 dnl ====================================================================
521 dnl Check if MDBM library exists
522 dnl Check for mdbm_open in standard libraries or -lmdbm
524 dnl defines ol_cv_lib_mdbm to 'yes' or '-lmdbm' or 'no'
525 dnl 'yes' implies mdbm_open is in $LIBS
528 dnl AC_CHECK_FUNC(mdbm_set_chain)
529 dnl AC_CHECK_LIB(mdbm,mdbm_set_chain)
531 AC_DEFUN([OL_LIB_MDBM],
532 [AC_CACHE_CHECK(for MDBM library, [ol_cv_lib_mdbm],
534 AC_CHECK_FUNC(mdbm_set_chain,[ol_cv_lib_mdbm=yes], [
535 AC_CHECK_LIB(mdbm,mdbm_set_chain,[ol_cv_lib_mdbm=-lmdbm],[ol_cv_lib_mdbm=no])
541 dnl --------------------------------------------------------------------
542 dnl Check if MDBM exists
544 dnl defines ol_cv_mdbm to 'yes' or 'no'
548 dnl AC_CHECK_HEADERS(mdbm.h)
551 [AC_REQUIRE([OL_LIB_MDBM])
552 AC_CHECK_HEADERS(mdbm.h)
553 AC_CACHE_CHECK(for db, [ol_cv_mdbm], [
554 if test $ol_cv_lib_mdbm = no -o $ac_cv_header_mdbm_h = no ; then
560 if test $ol_cv_mdbm = yes ; then
561 AC_DEFINE(HAVE_MDBM,1, [define if MDBM is available])
565 dnl ====================================================================
566 dnl Check if NDBM library exists
567 dnl Check for dbm_open in standard libraries or -lndbm or -ldbm
569 dnl defines ol_cv_lib_ndbm to 'yes' or '-lndbm' or -ldbm or 'no'
570 dnl 'yes' implies ndbm_open is in $LIBS
573 dnl AC_CHECK_FUNC(dbm_open)
574 dnl AC_CHECK_LIB(ndbm,dbm_open)
575 dnl AC_CHECK_LIB(dbm,dbm_open)
578 dnl should also check SVR4 case: dbm_open() in -lucb but that
579 dnl would requiring dealing with -L/usr/ucblib
581 AC_DEFUN([OL_LIB_NDBM],
582 [AC_CACHE_CHECK(for NDBM library, [ol_cv_lib_ndbm],
584 AC_CHECK_FUNC(dbm_open,[ol_cv_lib_ndbm=yes], [
585 AC_CHECK_LIB(ndbm,dbm_open,[ol_cv_lib_ndbm=-lndbm], [
586 AC_CHECK_LIB(dbm,dbm_open,[ol_cv_lib_ndbm=-ldbm],
587 [ol_cv_lib_ndbm=no])dnl
594 dnl --------------------------------------------------------------------
595 dnl Check if NDBM exists
597 dnl defines ol_cv_ndbm to 'yes' or 'no'
601 dnl AC_CHECK_HEADERS(ndbm.h)
604 dnl Doesn't handle SVR4 case (see above)
607 [AC_REQUIRE([OL_LIB_NDBM])
608 AC_CHECK_HEADERS(ndbm.h)
609 AC_CACHE_CHECK(for db, [ol_cv_ndbm], [
610 if test $ol_cv_lib_ndbm = no -o $ac_cv_header_ndbm_h = no ; then
616 if test $ol_cv_ndbm = yes ; then
617 AC_DEFINE(HAVE_NDBM,1, [define if NDBM is available])
621 dnl ====================================================================
622 dnl Check POSIX Thread version
624 dnl defines ol_cv_pthread_version to 0, 4, 5, 6, 7, 10, depending on the
625 dnl version of the POSIX.4a Draft that is implemented.
626 dnl 10 == POSIX.4a Final == POSIX.1c-1996 for our purposes.
627 dnl 0 implies that the version could not be detected
628 dnl or that pthreads.h does exist. Existence of pthreads.h
629 dnl should be tested separately.
632 dnl pthread_yield() was dropped in Draft 9, so
633 dnl only a Draft <= 8 library will define this
634 dnl pthread_detach() was dropped in Draft 8, it is present
635 dnl in every other version
636 dnl PTHREAD_CREATE_UNDETACHED is only in Draft 7, it was called
637 dnl PTHREAD_CREATE_JOINABLE after that
638 dnl pthread_attr_default was dropped in Draft 6, only 4 and 5 have it
639 dnl PTHREAD_MUTEX_INITIALIZER was introduced in Draft 5. It's not
640 dnl interesting to us because we don't try to statically
641 dnl initialize mutexes. 5-10 has it.
642 dnl pthread_attr_create was renamed to pthread_attr_init after Draft 4.
643 dnl Draft 6-10 has _init, Draft 4 has _create. (dunno about 5)
645 dnl Draft 9 and 10 are equivalent for our purposes.
647 AC_DEFUN([OL_POSIX_THREAD_VERSION],
648 [AC_CACHE_CHECK([POSIX thread version],[ol_cv_pthread_version],[
649 AC_EGREP_HEADER(pthread_yield,pthread.h,[
650 AC_EGREP_HEADER(pthread_detach,pthread.h,[
651 AC_EGREP_CPP(draft7,[
652 # include <pthread.h>
653 # ifdef PTHREAD_CREATE_UNDETACHED
656 ], ol_cv_pthread_version=7, [
657 AC_EGREP_HEADER(pthread_attr_default,pthread.h,[
658 AC_EGREP_CPP(draft5,[
659 # include <pthread.h>
660 #ifdef PTHREAD_MUTEX_INITIALIZER
663 ], ol_cv_pthread_version=5, [
664 AC_EGREP_HEADER(pthread_attr_create,pthread.h,
665 ol_cv_pthread_version=4, ol_cv_pthread_version=0) ]) ],
666 ol_cv_pthread_version=6) ]) ],
667 ol_cv_pthread_version=8) ],
668 ol_cv_pthread_version=10)
672 dnl --------------------------------------------------------------------
673 AC_DEFUN([OL_PTHREAD_TEST_INCLUDES],
674 [/* pthread test headers */
676 #if HAVE_PTHREADS < 7
680 #define NULL (void*)0
686 return (void *) (p == NULL);
689 AC_DEFUN([OL_PTHREAD_TEST_FUNCTION],[
690 /* pthread test function */
691 #ifndef PTHREAD_CREATE_DETACHED
692 #define PTHREAD_CREATE_DETACHED 1
696 int detach = PTHREAD_CREATE_DETACHED;
698 #if HAVE_PTHREADS > 4
702 status = pthread_attr_init(&attr);
703 if( status ) return status;
705 #if HAVE_PTHREADS < 7
706 status = pthread_attr_setdetachstate(&attr, &detach);
707 if( status < 0 ) status = errno;
709 status = pthread_attr_setdetachstate(&attr, detach);
711 if( status ) return status;
712 status = pthread_create( &t, &attr, task, NULL );
713 #if HAVE_PTHREADS < 7
714 if( status < 0 ) status = errno;
716 if( status ) return status;
718 /* Draft 4 pthreads */
719 status = pthread_create( &t, pthread_attr_default, task, NULL );
720 if( status ) return errno;
722 /* give thread a chance to complete */
723 /* it should remain joinable and hence detachable */
726 status = pthread_detach( &t );
727 if( status ) return errno;
730 #ifdef HAVE_LINUX_THREADS
731 pthread_kill_other_threads_np();
737 AC_DEFUN([OL_PTHREAD_TEST_PROGRAM],
738 [OL_PTHREAD_TEST_INCLUDES
744 OL_PTHREAD_TEST_FUNCTION
747 dnl --------------------------------------------------------------------
748 AC_DEFUN([OL_PTHREAD_TRY], [# Pthread try link: $1 ($2)
749 if test "$ol_link_threads" = no ; then
751 AC_CACHE_CHECK([for pthread link with $1], [$2], [
756 AC_TRY_RUN(OL_PTHREAD_TEST_PROGRAM,
758 [AC_TRY_LINK(OL_PTHREAD_TEST_INCLUDES,OL_PTHREAD_TEST_FUNCTION,
765 if test $$2 = yes ; then
766 ol_link_pthreads="$1"
767 ol_link_threads=posix
772 dnl ====================================================================
773 dnl Check GNU Pth pthread Header
775 dnl defines ol_cv_header linux_threads to 'yes' or 'no'
776 dnl 'no' implies pthreads.h is not LinuxThreads or pthreads.h
777 dnl doesn't exists. Existance of pthread.h should separately
780 AC_DEFUN([OL_HEADER_GNU_PTH_PTHREAD_H], [
781 AC_CACHE_CHECK([for GNU Pth pthread.h],
782 [ol_cv_header_gnu_pth_pthread_h],
783 [AC_EGREP_CPP(__gnu_pth__,
784 [#include <pthread.h>
785 #ifdef _POSIX_THREAD_IS_GNU_PTH
789 [ol_cv_header_gnu_pth_pthread_h=yes],
790 [ol_cv_header_gnu_pth_pthread_h=no])
793 dnl ====================================================================
794 dnl Check for NT Threads
795 AC_DEFUN([OL_NT_THREADS], [
796 AC_CHECK_FUNC(_beginthread)
798 if test $ac_cv_func__beginthread = yes ; then
799 AC_DEFINE(HAVE_NT_THREADS,1,[if you have NT Threads])
803 dnl ====================================================================
804 dnl Check LinuxThreads Header
806 dnl defines ol_cv_header linux_threads to 'yes' or 'no'
807 dnl 'no' implies pthreads.h is not LinuxThreads or pthreads.h
808 dnl doesn't exists. Existance of pthread.h should separately
811 AC_DEFUN([OL_HEADER_LINUX_THREADS], [
812 AC_CACHE_CHECK([for LinuxThreads pthread.h],
813 [ol_cv_header_linux_threads],
814 [AC_EGREP_CPP(pthread_kill_other_threads_np,
815 [#include <pthread.h>],
816 [ol_cv_header_linux_threads=yes],
817 [ol_cv_header_linux_threads=no])
819 if test $ol_cv_header_linux_threads = yes; then
820 AC_DEFINE(HAVE_LINUX_THREADS,1,[if you have LinuxThreads])
823 dnl --------------------------------------------------------------------
824 dnl Check LinuxThreads Implementation
826 dnl defines ol_cv_sys_linux_threads to 'yes' or 'no'
827 dnl 'no' implies pthreads implementation is not LinuxThreads.
829 AC_DEFUN([OL_SYS_LINUX_THREADS], [
830 AC_CHECK_FUNCS(pthread_kill_other_threads_np)
831 AC_CACHE_CHECK([for LinuxThreads implementation],
832 [ol_cv_sys_linux_threads],
833 [ol_cv_sys_linux_threads=$ac_cv_func_pthread_kill_other_threads_np])
836 dnl --------------------------------------------------------------------
837 dnl Check LinuxThreads consistency
838 AC_DEFUN([OL_LINUX_THREADS], [
839 AC_REQUIRE([OL_HEADER_LINUX_THREADS])
840 AC_REQUIRE([OL_SYS_LINUX_THREADS])
841 AC_CACHE_CHECK([for LinuxThreads consistency], [ol_cv_linux_threads], [
842 if test $ol_cv_header_linux_threads = yes -a \
843 $ol_cv_sys_linux_threads = yes; then
844 ol_cv_linux_threads=yes
845 elif test $ol_cv_header_linux_threads = no -a \
846 $ol_cv_sys_linux_threads = no; then
847 ol_cv_linux_threads=no
849 ol_cv_linux_threads=error
854 dnl ====================================================================
855 dnl Check for POSIX Regex
856 AC_DEFUN([OL_POSIX_REGEX], [
857 AC_CACHE_CHECK([for compatible POSIX regex],ol_cv_c_posix_regex,[
859 #include <sys/types.h>
861 static char *pattern, *string;
869 if(regcomp(&re, pattern, 0)) {
873 string = "ALL MATCH";
875 rc = regexec(&re, string, 0, (void*)0, 0);
881 [ol_cv_c_posix_regex=yes],
882 [ol_cv_c_posix_regex=no],
883 [ol_cv_c_posix_regex=cross])])
886 dnl ====================================================================
887 dnl Check if toupper() requires islower() to be called first
888 AC_DEFUN([OL_C_UPPER_LOWER],
889 [AC_CACHE_CHECK([if toupper() requires islower()],ol_cv_c_upper_lower,[
894 if ('C' == toupper('C'))
899 [ol_cv_c_upper_lower=no],
900 [ol_cv_c_upper_lower=yes],
901 [ol_cv_c_upper_lower=safe])])
902 if test $ol_cv_c_upper_lower != no ; then
903 AC_DEFINE(C_UPPER_LOWER,1, [define if toupper() requires islower()])
907 dnl ====================================================================
908 dnl Check for declaration of sys_errlist in one of stdio.h and errno.h.
909 dnl Declaration of sys_errlist on BSD4.4 interferes with our declaration.
910 dnl Reported by Keith Bostic.
911 AC_DEFUN([OL_SYS_ERRLIST],
912 [AC_CACHE_CHECK([declaration of sys_errlist],ol_cv_dcl_sys_errlist,[
915 #include <sys/types.h>
920 [char *c = (char *) *sys_errlist],
921 [ol_cv_dcl_sys_errlist=yes
922 ol_cv_have_sys_errlist=yes],
923 [ol_cv_dcl_sys_errlist=no])])
925 # It's possible (for near-UNIX clones) that sys_errlist doesn't exist
926 if test $ol_cv_dcl_sys_errlist = no ; then
927 AC_DEFINE(DECL_SYS_ERRLIST,1,
928 [define if sys_errlist is not declared in stdio.h or errno.h])
930 AC_CACHE_CHECK([existence of sys_errlist],ol_cv_have_sys_errlist,[
931 AC_TRY_LINK([#include <errno.h>],
932 [char *c = (char *) *sys_errlist],
933 [ol_cv_have_sys_errlist=yes],
934 [ol_cv_have_sys_errlist=no])])
936 if test $ol_cv_have_sys_errlist = yes ; then
937 AC_DEFINE(HAVE_SYS_ERRLIST,1,
938 [define if you actually have sys_errlist in your libs])
942 dnl ====================================================================
943 dnl Early MIPS compilers (used in Ultrix 4.2) don't like
944 dnl "int x; int *volatile a = &x; *a = 0;"
945 dnl -- borrowed from PDKSH
946 AC_DEFUN(OL_C_VOLATILE,
947 [AC_CACHE_CHECK(if compiler understands volatile, ol_cv_c_volatile,
948 [AC_TRY_COMPILE([int x, y, z;],
949 [volatile int a; int * volatile b = x ? &y : &z;
950 /* Older MIPS compilers (eg., in Ultrix 4.2) don't like *b = 0 */
951 *b = 0;], ol_cv_c_volatile=yes, ol_cv_c_volatile=no)])
952 if test $ol_cv_c_volatile = yes; then
955 AC_DEFINE(volatile,,[define as empty if volatile is not supported])
959 dnl ====================================================================
960 dnl Look for fetch(3)
961 AC_DEFUN([OL_LIB_FETCH],
963 LIBS="-lfetch -lcom_err $LIBS"
964 AC_CACHE_CHECK([fetch(3) library],ol_cv_lib_fetch,[
966 #include <sys/param.h>
969 [struct url *u = fetchParseURL("file:///"); ],
970 [ol_cv_lib_fetch=yes],
971 [ol_cv_lib_fetch=no])])
973 if test $ol_cv_lib_fetch != no ; then
974 ol_link_fetch="-lfetch -lcom_err"
975 AC_DEFINE(HAVE_FETCH,1,
976 [define if you actually have FreeBSD fetch(3)])
980 dnl ====================================================================
981 dnl Define sig_atomic_t if not defined in signal.h
982 AC_DEFUN(OL_TYPE_SIG_ATOMIC_T,
983 [AC_CACHE_CHECK(for sig_atomic_t, ol_cv_type_sig_atomic_t,
984 [AC_TRY_COMPILE([#include <signal.h>], [sig_atomic_t atomic;],
985 ol_cv_type_sig_atomic_t=yes, ol_cv_type_sig_atomic_t=no)])
986 if test $ol_cv_type_sig_atomic_t = no; then
987 AC_DEFINE(sig_atomic_t,int,
988 [define to atomic type if sig_atomic_t is not available])
992 dnl ====================================================================
993 dnl Define socklen_t if not defined in sys/types.h or sys/socket.h
994 AC_DEFUN(OL_TYPE_SOCKLEN_T,
995 [AC_CACHE_CHECK(for socklen_t, ol_cv_type_socklen_t,
997 #ifdef HAVE_SYS_TYPES_H
998 #include <sys/types.h>
1000 #ifdef HAVE_SYS_SOCKET_H
1001 #include <sys/socket.h>
1003 ], [socklen_t len;],
1004 ol_cv_type_socklen_t=yes, ol_cv_type_socklen_t=no)])
1005 if test $ol_cv_type_socklen_t = no; then
1006 AC_DEFINE(socklen_t, int,
1007 [define to int if socklen_t is not available])
1011 dnl ====================================================================
1012 dnl Define inet_aton is available
1013 AC_DEFUN(OL_FUNC_INET_ATON,
1014 [AC_CACHE_CHECK([for inet_aton()], ol_cv_func_inet_aton,
1016 #ifdef HAVE_SYS_TYPES_H
1017 # include <sys/types.h>
1019 #ifdef HAVE_SYS_SOCKET_H
1020 # include <sys/socket.h>
1021 # ifdef HAVE_SYS_SELECT_H
1022 # include <sys/select.h>
1024 # include <netinet/in.h>
1025 # ifdef HAVE_ARPA_INET_H
1026 # include <arpa/inet.h>
1029 ], [struct in_addr in;
1030 int rc = inet_aton( "255.255.255.255", &in );],
1031 ol_cv_func_inet_aton=yes, ol_cv_func_inet_aton=no)])
1032 if test $ol_cv_func_inet_aton != no; then
1033 AC_DEFINE(HAVE_INET_ATON, 1,
1034 [define to you inet_aton(3) is available])
1038 dnl ====================================================================
1039 dnl check no of arguments for ctime_r
1040 AC_DEFUN(OL_FUNC_CTIME_R_NARGS,
1041 [AC_CACHE_CHECK(number of arguments of ctime_r, ol_cv_func_ctime_r_nargs,
1042 [AC_TRY_COMPILE([#include <time.h>],
1043 [time_t ti; char *buffer; ctime_r(&ti,buffer,32);],
1044 ol_cv_func_ctime_r_nargs3=yes,
1045 ol_cv_func_ctime_r_nargs3=no)
1047 AC_TRY_COMPILE([#include <time.h>],
1048 [time_t ti; char *buffer; ctime_r(&ti,buffer);],
1049 ol_cv_func_ctime_r_nargs2=yes,
1050 ol_cv_func_ctime_r_nargs2=no)
1052 if test $ol_cv_func_ctime_r_nargs3 = yes -a \
1053 $ol_cv_func_ctime_r_nargs2 = no ; then
1055 ol_cv_func_ctime_r_nargs=3
1057 elif test $ol_cv_func_ctime_r_nargs3 = no -a \
1058 $ol_cv_func_ctime_r_nargs2 = yes ; then
1060 ol_cv_func_ctime_r_nargs=2
1063 ol_cv_func_ctime_r_nargs=0
1067 if test $ol_cv_func_ctime_r_nargs -gt 1 ; then
1068 AC_DEFINE_UNQUOTED(CTIME_R_NARGS, $ol_cv_func_ctime_r_nargs,
1069 [set to the number of arguments ctime_r() expects])
1073 dnl --------------------------------------------------------------------
1074 dnl check return type of ctime_r()
1075 AC_DEFUN(OL_FUNC_CTIME_R_TYPE,
1076 [AC_CACHE_CHECK(return type of ctime_r, ol_cv_func_ctime_r_type,
1077 [AC_TRY_COMPILE([#include <time.h>],
1078 [extern int (ctime_r)();],
1079 ol_cv_func_ctime_r_type="int", ol_cv_func_ctime_r_type="charp")
1081 if test $ol_cv_func_ctime_r_type = "int" ; then
1082 AC_DEFINE(CTIME_R_RETURNS_INT,1, [define if ctime_r() returns int])
1085 dnl ====================================================================
1086 dnl check no of arguments for gethostbyname_r
1087 AC_DEFUN(OL_FUNC_GETHOSTBYNAME_R_NARGS,
1088 [AC_CACHE_CHECK(number of arguments of gethostbyname_r,
1089 ol_cv_func_gethostbyname_r_nargs,
1090 [AC_TRY_COMPILE([#include <sys/types.h>
1091 #include <sys/socket.h>
1092 #include <netinet/in.h>
1094 #define BUFSIZE (sizeof(struct hostent)+10)],
1095 [struct hostent hent; char buffer[BUFSIZE];
1096 int bufsize=BUFSIZE;int h_errno;
1097 (void)gethostbyname_r("segovia.cs.purdue.edu", &hent,
1098 buffer, bufsize, &h_errno);],
1099 ol_cv_func_gethostbyname_r_nargs5=yes,
1100 ol_cv_func_gethostbyname_r_nargs5=no)
1102 AC_TRY_COMPILE([#include <sys/types.h>
1103 #include <sys/socket.h>
1104 #include <netinet/in.h>
1106 #define BUFSIZE (sizeof(struct hostent)+10)],
1107 [struct hostent hent;struct hostent *rhent;
1108 char buffer[BUFSIZE];
1109 int bufsize=BUFSIZE;int h_errno;
1110 (void)gethostbyname_r("localhost", &hent, buffer, bufsize,
1111 &rhent, &h_errno);],
1112 ol_cv_func_gethostbyname_r_nargs6=yes,
1113 ol_cv_func_gethostbyname_r_nargs6=no)
1115 if test $ol_cv_func_gethostbyname_r_nargs5 = yes -a \
1116 $ol_cv_func_gethostbyname_r_nargs6 = no ; then
1118 ol_cv_func_gethostbyname_r_nargs=5
1120 elif test $ol_cv_func_gethostbyname_r_nargs5 = no -a \
1121 $ol_cv_func_gethostbyname_r_nargs6 = yes ; then
1123 ol_cv_func_gethostbyname_r_nargs=6
1126 ol_cv_func_gethostbyname_r_nargs=0
1129 if test $ol_cv_func_gethostbyname_r_nargs -gt 1 ; then
1130 AC_DEFINE_UNQUOTED(GETHOSTBYNAME_R_NARGS,
1131 $ol_cv_func_gethostbyname_r_nargs,
1132 [set to the number of arguments gethostbyname_r() expects])
1136 dnl check no of arguments for gethostbyaddr_r
1137 AC_DEFUN(OL_FUNC_GETHOSTBYADDR_R_NARGS,
1138 [AC_CACHE_CHECK(number of arguments of gethostbyaddr_r,
1139 [ol_cv_func_gethostbyaddr_r_nargs],
1140 [AC_TRY_COMPILE([#include <sys/types.h>
1141 #include <sys/socket.h>
1142 #include <netinet/in.h>
1144 #define BUFSIZE (sizeof(struct hostent)+10)],
1145 [struct hostent hent; char buffer[BUFSIZE];
1147 size_t alen=sizeof(struct in_addr);
1148 int bufsize=BUFSIZE;int h_errno;
1149 (void)gethostbyaddr_r( (void *)&(add.s_addr),
1150 alen, AF_INET, &hent, buffer, bufsize, &h_errno);],
1151 ol_cv_func_gethostbyaddr_r_nargs7=yes,
1152 ol_cv_func_gethostbyaddr_r_nargs7=no)
1154 AC_TRY_COMPILE([#include <sys/types.h>
1155 #include <sys/socket.h>
1156 #include <netinet/in.h>
1158 #define BUFSIZE (sizeof(struct hostent)+10)],
1159 [struct hostent hent;
1160 struct hostent *rhent; char buffer[BUFSIZE];
1162 size_t alen=sizeof(struct in_addr);
1163 int bufsize=BUFSIZE;int h_errno;
1164 (void)gethostbyaddr_r( (void *)&(add.s_addr),
1165 alen, AF_INET, &hent, buffer, bufsize,
1166 &rhent, &h_errno);],
1167 ol_cv_func_gethostbyaddr_r_nargs8=yes,
1168 ol_cv_func_gethostbyaddr_r_nargs8=no)
1170 if test $ol_cv_func_gethostbyaddr_r_nargs7 = yes -a \
1171 $ol_cv_func_gethostbyaddr_r_nargs8 = no ; then
1173 ol_cv_func_gethostbyaddr_r_nargs=7
1175 elif test $ol_cv_func_gethostbyaddr_r_nargs7 = no -a \
1176 $ol_cv_func_gethostbyaddr_r_nargs8 = yes ; then
1178 ol_cv_func_gethostbyaddr_r_nargs=8
1181 ol_cv_func_gethostbyaddr_r_nargs=0
1184 if test $ol_cv_func_gethostbyaddr_r_nargs -gt 1 ; then
1185 AC_DEFINE_UNQUOTED(GETHOSTBYADDR_R_NARGS,
1186 $ol_cv_func_gethostbyaddr_r_nargs,
1187 [set to the number of arguments gethostbyaddr_r() expects])
1191 dnl --------------------------------------------------------------------
1192 dnl Check for Cyrus SASL version compatility, need 2.1.3 or newer
1193 AC_DEFUN([OL_SASL_COMPAT],
1194 [AC_CACHE_CHECK([Cyrus SASL library version], [ol_cv_sasl_compat],[
1195 AC_EGREP_CPP(__sasl_compat,[
1196 #ifdef HAVE_SASL_SASL_H
1197 #include <sasl/sasl.h>
1202 /* require 2.1.3 or later */
1203 #if SASL_VERSION_MAJOR == 1 && SASL_VERSION_MINOR >= 5
1204 char *__sasl_compat = "1.5.x okay";
1205 #elif SASL_VERSION_MAJOR == 2 && SASL_VERSION_MINOR > 1
1206 __sasl_compat "2.2+ or better okay (we guess)";
1207 #elif SASL_VERSION_MAJOR == 2 && SASL_VERSION_MINOR == 1 \
1208 && SASL_VERSION_STEP >=3
1209 __sasl_compat = "2.1.3+ or better okay";
1211 ], [ol_cv_sasl_compat=yes], [ol_cv_sasl_compat=no])])