1 dnl OpenLDAP Autoconf Macros
3 dnl This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 dnl Copyright 1998-2010 The OpenLDAP Foundation.
6 dnl All rights reserved.
8 dnl Redistribution and use in source and binary forms, with or without
9 dnl modification, are permitted only as authorized by the OpenLDAP
12 dnl A copy of this license is available in the file LICENSE in the
13 dnl top-level directory of the distribution or, alternatively, at
14 dnl <http://www.OpenLDAP.org/license.html>.
16 dnl --------------------------------------------------------------------
17 dnl Restricted form of AC_ARG_ENABLE that limits user options
21 dnl $3 = default value (auto). "--" means do not set it by default
22 dnl $4 = allowed values (auto yes no)
23 dnl $5 = overridden default
24 AC_DEFUN([OL_ARG_ENABLE], [# OpenLDAP --enable-$1
25 pushdef([ol_DefVal],ifelse($3,,auto,$3))
26 AC_ARG_ENABLE($1,ifelse($4,,[$2],[$2] translit([$4],[ ],[|])) ifelse($3,--,,@<:@ol_DefVal@:>@),[
28 for ol_val in ifelse($4,,[auto yes no],[$4]) ; do
29 if test "$enableval" = "$ol_val" ; then
33 if test "$ol_arg" = "invalid" ; then
34 AC_MSG_ERROR(bad value $enableval for --enable-$1)
36 ol_enable_$1="$ol_arg"
38 [ ol_enable_$1=ifelse($5,,ol_DefVal,[${]$5[:-]ol_DefVal[}])]]))dnl
39 dnl AC_MSG_RESULT([OpenLDAP -enable-$1 $ol_enable_$1])
44 dnl --------------------------------------------------------------------
45 dnl Restricted form of AC_ARG_WITH that limits user options
49 dnl $3 = default value (no)
50 dnl $4 = allowed values (yes or no)
51 AC_DEFUN([OL_ARG_WITH], [# OpenLDAP --with-$1
52 AC_ARG_WITH($1,[$2 @<:@]ifelse($3,,yes,$3)@:>@,[
54 for ol_val in ifelse($4,,[yes no],[$4]) ; do
55 if test "$withval" = "$ol_val" ; then
59 if test "$ol_arg" = "invalid" ; then
60 AC_MSG_ERROR(bad value $withval for --with-$1)
64 [ ol_with_$1=ifelse($3,,"no","$3")])dnl
65 dnl AC_MSG_RESULT([OpenLDAP --with-$1 $ol_with_$1])
68 dnl ====================================================================
69 dnl Check for dependency generation flag
70 AC_DEFUN([OL_MKDEPEND], [# test for make depend flag
73 if test -z "${MKDEP}"; then
75 if test -z "${MKDEP_FLAGS}"; then
76 AC_CACHE_CHECK([for ${OL_MKDEP} depend flag], ol_cv_mkdep, [
78 for flag in "-M" "-xM"; do
79 cat > conftest.c <<EOF
82 if AC_TRY_COMMAND($OL_MKDEP $flag conftest.c) \
83 | grep '^conftest\.'"${ac_objext}" >/dev/null 2>&1
85 if test ! -f conftest."${ac_object}" ; then
87 OL_MKDEP_FLAGS="$flag"
94 test "$ol_cv_mkdep" = no && OL_MKDEP=":"
97 OL_MKDEP_FLAGS="${MKDEP_FLAGS}"
102 OL_MKDEP_FLAGS="${MKDEP_FLAGS}"
105 AC_SUBST(OL_MKDEP_FLAGS)
108 dnl ====================================================================
109 dnl Check if system uses EBCDIC instead of ASCII
110 AC_DEFUN([OL_CPP_EBCDIC], [# test for EBCDIC
111 AC_CACHE_CHECK([for EBCDIC],ol_cv_cpp_ebcdic,[
112 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
114 #include <__ASCII__/generate_error.h>
116 ]])],[ol_cv_cpp_ebcdic=yes],[ol_cv_cpp_ebcdic=no])])
117 if test $ol_cv_cpp_ebcdic = yes ; then
118 AC_DEFINE(HAVE_EBCDIC,1, [define if system uses EBCDIC instead of ASCII])
122 dnl --------------------------------------------------------------------
126 AC_CACHE_CHECK([whether we are using MS Visual C++], ol_cv_msvc,
127 [AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
129 #include <__FOO__/generate_error.h>
131 ]])],[ol_cv_msvc=yes],[ol_cv_msvc=no])])])
133 dnl --------------------------------------------------------------------
134 dnl OpenLDAP version of STDC header check w/ EBCDIC support
135 AC_DEFUN([OL_HEADER_STDC],
137 AC_REQUIRE([OL_CPP_EBCDIC])dnl
138 AC_CACHE_CHECK([for ANSI C header files], ol_cv_header_stdc,
139 [AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
142 #include <float.h>]])],[ol_cv_header_stdc=yes],[ol_cv_header_stdc=no])
144 if test $ol_cv_header_stdc = yes; then
145 # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
146 AC_EGREP_HEADER(memchr, string.h, , ol_cv_header_stdc=no)
149 if test $ol_cv_header_stdc = yes; then
150 # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
151 AC_EGREP_HEADER(free, stdlib.h, , ol_cv_header_stdc=no)
154 if test $ol_cv_header_stdc = yes; then
155 # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
156 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <ctype.h>
158 # define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
159 # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
161 # define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
162 || ('j' <= (c) && (c) <= 'r') \
163 || ('s' <= (c) && (c) <= 'z'))
164 # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
166 #define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
167 int main () { int i; for (i = 0; i < 256; i++)
168 if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
170 ]])],[],[ol_cv_header_stdc=no],[:])
172 if test $ol_cv_header_stdc = yes; then
173 AC_DEFINE(STDC_HEADERS)
175 ac_cv_header_stdc=disable
178 dnl ====================================================================
179 dnl DNS resolver macros
180 AC_DEFUN([OL_RESOLVER_TRY],
181 [if test $ol_cv_lib_resolver = no ; then
182 AC_CACHE_CHECK([for resolver link (]ifelse($2,,default,$2)[)],[$1],
184 ol_RESOLVER_LIB=ifelse($2,,,$2)
186 LIBS="$ol_RESOLVER_LIB $LIBS"
188 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
189 #ifdef HAVE_SYS_TYPES_H
190 # include <sys/types.h>
192 #include <netinet/in.h>
193 #ifdef HAVE_ARPA_NAMESER_H
194 # include <arpa/nameser.h>
201 char *request = NULL;
202 unsigned char reply[64*1024];
203 unsigned char host[64*1024];
207 /* Bind 8/9 interface */
208 len = res_query(request, ns_c_in, ns_t_srv, reply, sizeof(reply));
210 /* Bind 4 interface */
214 len = res_query(request, C_IN, T_SRV, reply, sizeof(reply));
218 /* Bind 8/9 interface */
220 #elif defined(HFIXEDSZ)
221 /* Bind 4 interface w/ HFIXEDSZ */
224 /* Bind 4 interface w/o HFIXEDSZ */
227 status = dn_expand( reply, reply+len, p, host, sizeof(host));
228 }]])],[$1=yes],[$1=no])
233 if test $$1 = yes ; then
234 ol_cv_lib_resolver=ifelse($2,,yes,$2)
238 dnl --------------------------------------------------------------------
239 dnl Try to locate appropriate library
240 AC_DEFUN([OL_RESOLVER_LINK],
241 [ol_cv_lib_resolver=no
242 OL_RESOLVER_TRY(ol_cv_resolver_none)
243 OL_RESOLVER_TRY(ol_cv_resolver_resolv,[-lresolv])
244 OL_RESOLVER_TRY(ol_cv_resolver_bind,[-lbind])
247 dnl ====================================================================
248 dnl International Components for Unicode (ICU)
251 AC_CHECK_HEADERS( unicode/utypes.h )
252 if test $ac_cv_header_unicode_utypes_h = yes ; then
253 dnl OL_ICULIBS="-licui18n -licuuc -licudata"
254 OL_ICULIBS="-licuuc -licudata"
256 AC_CACHE_CHECK([for ICU libraries], [ol_cv_lib_icu], [
258 LIBS="$OL_ICULIBS $LIBS"
259 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
260 #include <unicode/utypes.h>
262 (void) u_errorName(0);
263 ]])],[ol_cv_lib_icu=yes],[ol_cv_lib_icu=no])
267 if test $ol_cv_lib_icu != no ; then
269 AC_DEFINE(HAVE_ICU,1,[define if you actually have ICU])
274 dnl ====================================================================
275 dnl Berkeley DB macros
277 dnl --------------------------------------------------------------------
279 AC_DEFUN([OL_BERKELEY_DB_TRY],
280 [if test $ol_cv_lib_db = no ; then
281 AC_CACHE_CHECK([for Berkeley DB link (]ifelse($2,,default,$2)[)],[$1],
283 ol_DB_LIB=ifelse($2,,,$2)
285 LIBS="$ol_DB_LIB $LTHREAD_LIBS $LIBS"
287 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
294 #ifndef DB_VERSION_MAJOR
295 # define DB_VERSION_MAJOR 1
299 #define NULL ((void*)0)
302 #if DB_VERSION_MAJOR > 2
303 db_env_create( NULL, 0 );
304 #elif DB_VERSION_MAJOR > 1
307 (void) dbopen( NULL, 0, 0, 0, NULL);
309 ]])],[$1=yes],[$1=no])
314 if test $$1 = yes ; then
315 ol_cv_lib_db=ifelse($2,,yes,$2)
320 dnl --------------------------------------------------------------------
321 dnl Get major and minor version from <db.h>
322 AC_DEFUN([OL_BDB_HEADER_VERSION],
323 [AC_CACHE_CHECK([for Berkeley DB major version in db.h], [ol_cv_bdb_major],[
326 #ifndef DB_VERSION_MAJOR
327 # define DB_VERSION_MAJOR 1
329 __db_version DB_VERSION_MAJOR
331 set X `eval "$ac_cpp conftest.$ac_ext" | $EGREP __db_version` none none
334 case $ol_cv_bdb_major in [[1-9]]*) : ;; *)
335 AC_MSG_ERROR([Unknown Berkeley DB major version in db.h]) ;;
338 dnl Determine minor version
339 AC_CACHE_CHECK([for Berkeley DB minor version in db.h], [ol_cv_bdb_minor],[
342 #ifndef DB_VERSION_MINOR
343 # define DB_VERSION_MINOR 0
345 __db_version DB_VERSION_MINOR
347 set X `eval "$ac_cpp conftest.$ac_ext" | $EGREP __db_version` none none
350 case $ol_cv_bdb_minor in [[0-9]]*) : ;; *)
351 AC_MSG_ERROR([Unknown Berkeley DB minor version in db.h]) ;;
355 dnl --------------------------------------------------------------------
356 dnl Try to locate appropriate library
357 AC_DEFUN([OL_BERKELEY_DB_LINK],
360 if test $ol_cv_bdb_major = 4 ; then
361 OL_BERKELEY_DB_TRY(ol_cv_db_db_4_dot_m,[-ldb-4.$ol_cv_bdb_minor])
362 OL_BERKELEY_DB_TRY(ol_cv_db_db4m,[-ldb4$ol_cv_bdb_minor])
363 OL_BERKELEY_DB_TRY(ol_cv_db_db_4m,[-ldb-4$ol_cv_bdb_minor])
364 OL_BERKELEY_DB_TRY(ol_cv_db_db_4_m,[-ldb-4-$ol_cv_bdb_minor])
365 OL_BERKELEY_DB_TRY(ol_cv_db_db_4,[-ldb-4])
366 OL_BERKELEY_DB_TRY(ol_cv_db_db4,[-ldb4])
367 OL_BERKELEY_DB_TRY(ol_cv_db_db,[-ldb])
369 OL_BERKELEY_DB_TRY(ol_cv_db_none)
372 dnl --------------------------------------------------------------------
373 dnl Check if Berkeley DB version
374 AC_DEFUN([OL_BERKELEY_DB_VERSION],
375 [AC_CACHE_CHECK([for Berkeley DB library and header version match], [ol_cv_berkeley_db_version], [
377 LIBS="$LTHREAD_LIBS $LIBS"
378 if test $ol_cv_lib_db != yes ; then
379 LIBS="$ol_cv_lib_db $LIBS"
382 AC_RUN_IFELSE([AC_LANG_SOURCE([[
388 #ifndef DB_VERSION_MAJOR
389 # define DB_VERSION_MAJOR 1
392 #define NULL ((void *)0)
396 #if DB_VERSION_MAJOR > 1
398 int major, minor, patch;
400 version = db_version( &major, &minor, &patch );
402 if( major != DB_VERSION_MAJOR ||
403 minor != DB_VERSION_MINOR ||
404 patch != DB_VERSION_PATCH )
406 printf("Berkeley DB version mismatch\n"
407 "\theader: %s\n\tlibrary: %s\n",
408 DB_VERSION_STRING, version);
414 }]])],[ol_cv_berkeley_db_version=yes],[ol_cv_berkeley_db_version=no],[ol_cv_berkeley_db_version=cross])
419 if test $ol_cv_berkeley_db_version = no ; then
420 AC_MSG_ERROR([Berkeley DB version mismatch])
424 dnl --------------------------------------------------------------------
425 dnl Check if Berkeley DB supports DB_THREAD
426 AC_DEFUN([OL_BERKELEY_DB_THREAD],
427 [AC_CACHE_CHECK([for Berkeley DB thread support], [ol_cv_berkeley_db_thread], [
429 LIBS="$LTHREAD_LIBS $LIBS"
430 if test $ol_cv_lib_db != yes ; then
431 LIBS="$ol_cv_lib_db $LIBS"
434 AC_RUN_IFELSE([AC_LANG_SOURCE([[
441 #define NULL ((void *)0)
446 u_int32_t flags = DB_CREATE |
452 #if DB_VERSION_MAJOR > 2
455 rc = db_env_create( &env, 0 );
457 flags |= DB_INIT_MPOOL;
458 #ifdef DB_MPOOL_PRIVATE
459 flags |= DB_MPOOL_PRIVATE;
463 printf("BerkeleyDB: %s\n", db_strerror(rc) );
467 #if (DB_VERSION_MAJOR > 3) || (DB_VERSION_MINOR >= 1)
468 rc = (env->open)( env, NULL, flags, 0 );
470 rc = (env->open)( env, NULL, NULL, flags, 0 );
474 rc = env->close( env, 0 );
478 printf("BerkeleyDB: %s\n", db_strerror(rc) );
484 memset( &env, '\0', sizeof(env) );
486 rc = db_appinit( NULL, NULL, &env, flags );
492 unlink("__db_mpool.share");
493 unlink("__db_lock.share");
497 }]])],[ol_cv_berkeley_db_thread=yes],[ol_cv_berkeley_db_thread=no],[ol_cv_berkeley_db_thread=cross])
502 if test $ol_cv_berkeley_db_thread != no ; then
503 AC_DEFINE(HAVE_BERKELEY_DB_THREAD, 1,
504 [define if Berkeley DB has DB_THREAD support])
508 dnl --------------------------------------------------------------------
510 AC_DEFUN([OL_BERKELEY_DB],
511 [ol_cv_berkeley_db=no
512 AC_CHECK_HEADERS(db.h)
513 if test $ac_cv_header_db_h = yes; then
514 OL_BDB_HEADER_VERSION
517 if test $ol_cv_bdb_compat != yes ; then
518 AC_MSG_ERROR([BerkeleyDB version incompatible with BDB/HDB backends])
522 if test "$ol_cv_lib_db" != no ; then
523 ol_cv_berkeley_db=yes
524 OL_BERKELEY_DB_VERSION
525 OL_BERKELEY_DB_THREAD
529 dnl --------------------------------------------------------------------
530 dnl Check for version compatility with back-bdb
531 AC_DEFUN([OL_BDB_COMPAT],
532 [AC_CACHE_CHECK([if Berkeley DB version supported by BDB/HDB backends], [ol_cv_bdb_compat],[
533 AC_EGREP_CPP(__db_version_compat,[
536 /* this check could be improved */
537 #ifndef DB_VERSION_MAJOR
538 # define DB_VERSION_MAJOR 1
540 #ifndef DB_VERSION_MINOR
541 # define DB_VERSION_MINOR 0
544 #define DB_VERSION_MM ((DB_VERSION_MAJOR<<8)|DB_VERSION_MINOR)
546 /* require 4.4 or later */
547 #if DB_VERSION_MM >= 0x0404
550 ], [ol_cv_bdb_compat=yes], [ol_cv_bdb_compat=no])])
554 dnl ====================================================================
555 dnl Check POSIX Thread version
557 dnl defines ol_cv_pthread_version to 4, 5, 6, 7, 8, 10, depending on the
558 dnl version of the POSIX.4a Draft that is implemented.
559 dnl 10 == POSIX.4a Final == POSIX.1c-1996 for our purposes.
560 dnl Existence of pthread.h should be tested separately.
563 dnl pthread_detach() was dropped in Draft 8, it is present
564 dnl in every other version
565 dnl PTHREAD_CREATE_UNDETACHED is only in Draft 7, it was called
566 dnl PTHREAD_CREATE_JOINABLE after that
567 dnl pthread_attr_create was renamed to pthread_attr_init in Draft 6.
568 dnl Draft 6-10 has _init, Draft 4-5 has _create.
569 dnl pthread_attr_default was dropped in Draft 6, only 4 and 5 have it
570 dnl PTHREAD_MUTEX_INITIALIZER was introduced in Draft 5. It's not
571 dnl interesting to us because we don't try to statically
572 dnl initialize mutexes. 5-10 has it.
574 dnl Draft 9 and 10 are equivalent for our purposes.
576 AC_DEFUN([OL_POSIX_THREAD_VERSION],
577 [AC_CACHE_CHECK([POSIX thread version],[ol_cv_pthread_version],[
578 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
579 # include <pthread.h>
581 int i = PTHREAD_CREATE_JOINABLE;
583 AC_EGREP_HEADER(pthread_detach,pthread.h,
584 ol_cv_pthread_version=10, ol_cv_pthread_version=8)],[
585 AC_EGREP_CPP(draft7,[
586 # include <pthread.h>
587 # ifdef PTHREAD_CREATE_UNDETACHED
590 ], ol_cv_pthread_version=7, [
591 AC_EGREP_HEADER(pthread_attr_init,pthread.h,
592 ol_cv_pthread_version=6, [
593 AC_EGREP_CPP(draft5,[
594 # include <pthread.h>
595 #ifdef PTHREAD_MUTEX_INITIALIZER
598 ], ol_cv_pthread_version=5, ol_cv_pthread_version=4) ]) ]) ])
602 dnl --------------------------------------------------------------------
603 AC_DEFUN([OL_PTHREAD_TEST_INCLUDES], [[
604 /* pthread test headers */
606 #if HAVE_PTHREADS < 7
610 #define NULL (void*)0
616 return (void *) (p == NULL);
619 AC_DEFUN([OL_PTHREAD_TEST_FUNCTION],[[
620 /* pthread test function */
621 #ifndef PTHREAD_CREATE_DETACHED
622 #define PTHREAD_CREATE_DETACHED 1
626 int detach = PTHREAD_CREATE_DETACHED;
628 #if HAVE_PTHREADS > 4
632 status = pthread_attr_init(&attr);
633 if( status ) return status;
635 #if HAVE_PTHREADS < 7
636 status = pthread_attr_setdetachstate(&attr, &detach);
637 if( status < 0 ) status = errno;
639 status = pthread_attr_setdetachstate(&attr, detach);
641 if( status ) return status;
642 status = pthread_create( &t, &attr, task, NULL );
643 #if HAVE_PTHREADS < 7
644 if( status < 0 ) status = errno;
646 if( status ) return status;
648 /* Draft 4 pthreads */
649 status = pthread_create( &t, pthread_attr_default, task, NULL );
650 if( status ) return errno;
652 /* give thread a chance to complete */
653 /* it should remain joinable and hence detachable */
656 status = pthread_detach( &t );
657 if( status ) return errno;
660 #ifdef HAVE_LINUX_THREADS
661 pthread_kill_other_threads_np();
667 AC_DEFUN([OL_PTHREAD_TEST_PROGRAM],
668 AC_LANG_SOURCE([OL_PTHREAD_TEST_INCLUDES
674 OL_PTHREAD_TEST_FUNCTION
677 dnl --------------------------------------------------------------------
678 AC_DEFUN([OL_PTHREAD_TRY], [# Pthread try link: $1 ($2)
679 if test "$ol_link_threads" = no ; then
681 AC_CACHE_CHECK([for pthread link with $1], [$2], [
686 AC_RUN_IFELSE([OL_PTHREAD_TEST_PROGRAM],
689 [AC_LINK_IFELSE([AC_LANG_PROGRAM(OL_PTHREAD_TEST_INCLUDES,
690 OL_PTHREAD_TEST_FUNCTION)],
697 if test $$2 = yes ; then
698 ol_link_pthreads="$1"
699 ol_link_threads=posix
704 dnl ====================================================================
705 dnl Check GNU Pth pthread Header
707 dnl defines ol_cv_header linux_threads to 'yes' or 'no'
708 dnl 'no' implies pthreads.h is not LinuxThreads or pthreads.h
709 dnl doesn't exists. Existance of pthread.h should separately
712 AC_DEFUN([OL_HEADER_GNU_PTH_PTHREAD_H], [
713 AC_CACHE_CHECK([for GNU Pth pthread.h],
714 [ol_cv_header_gnu_pth_pthread_h],
715 [AC_EGREP_CPP(__gnu_pth__,
716 [#include <pthread.h>
717 #ifdef _POSIX_THREAD_IS_GNU_PTH
721 [ol_cv_header_gnu_pth_pthread_h=yes],
722 [ol_cv_header_gnu_pth_pthread_h=no])
725 dnl ====================================================================
726 dnl Check for NT Threads
727 AC_DEFUN([OL_NT_THREADS], [
728 AC_CHECK_FUNC(_beginthread)
730 if test $ac_cv_func__beginthread = yes ; then
731 AC_DEFINE(HAVE_NT_THREADS,1,[if you have NT Threads])
735 dnl ====================================================================
736 dnl Check LinuxThreads Header
738 dnl defines ol_cv_header linux_threads to 'yes' or 'no'
739 dnl 'no' implies pthreads.h is not LinuxThreads or pthreads.h
740 dnl doesn't exists. Existance of pthread.h should separately
743 AC_DEFUN([OL_HEADER_LINUX_THREADS], [
744 AC_CACHE_CHECK([for LinuxThreads pthread.h],
745 [ol_cv_header_linux_threads],
746 [AC_EGREP_CPP(pthread_kill_other_threads_np,
747 [#include <pthread.h>],
748 [ol_cv_header_linux_threads=yes],
749 [ol_cv_header_linux_threads=no])
751 if test $ol_cv_header_linux_threads = yes; then
752 AC_DEFINE(HAVE_LINUX_THREADS,1,[if you have LinuxThreads])
755 dnl --------------------------------------------------------------------
756 dnl Check LinuxThreads Implementation
758 dnl defines ol_cv_sys_linux_threads to 'yes' or 'no'
759 dnl 'no' implies pthreads implementation is not LinuxThreads.
761 AC_DEFUN([OL_SYS_LINUX_THREADS], [
762 AC_CHECK_FUNCS(pthread_kill_other_threads_np)
763 AC_CACHE_CHECK([for LinuxThreads implementation],
764 [ol_cv_sys_linux_threads],
765 [ol_cv_sys_linux_threads=$ac_cv_func_pthread_kill_other_threads_np])
768 dnl --------------------------------------------------------------------
769 dnl Check LinuxThreads consistency
770 AC_DEFUN([OL_LINUX_THREADS], [
771 AC_REQUIRE([OL_HEADER_LINUX_THREADS])
772 AC_REQUIRE([OL_SYS_LINUX_THREADS])
773 AC_CACHE_CHECK([for LinuxThreads consistency], [ol_cv_linux_threads], [
774 if test $ol_cv_header_linux_threads = yes &&
775 test $ol_cv_sys_linux_threads = yes; then
776 ol_cv_linux_threads=yes
777 elif test $ol_cv_header_linux_threads = no &&
778 test $ol_cv_sys_linux_threads = no; then
779 ol_cv_linux_threads=no
781 ol_cv_linux_threads=error
786 dnl ====================================================================
787 dnl Check for POSIX Regex
788 AC_DEFUN([OL_POSIX_REGEX], [
789 AC_CACHE_CHECK([for compatible POSIX regex],ol_cv_c_posix_regex,[
790 AC_RUN_IFELSE([AC_LANG_SOURCE([[
791 #include <sys/types.h>
793 static char *pattern, *string;
801 if(regcomp(&re, pattern, 0)) {
805 string = "ALL MATCH";
807 rc = regexec(&re, string, 0, (void*)0, 0);
812 }]])],[ol_cv_c_posix_regex=yes],[ol_cv_c_posix_regex=no],[ol_cv_c_posix_regex=cross])])
815 dnl ====================================================================
816 dnl Check if toupper() requires islower() to be called first
817 AC_DEFUN([OL_C_UPPER_LOWER],
818 [AC_CACHE_CHECK([if toupper() requires islower()],ol_cv_c_upper_lower,[
819 AC_RUN_IFELSE([AC_LANG_SOURCE([[
823 if ('C' == toupper('C'))
827 }]])],[ol_cv_c_upper_lower=no],[ol_cv_c_upper_lower=yes],[ol_cv_c_upper_lower=safe])])
828 if test $ol_cv_c_upper_lower != no ; then
829 AC_DEFINE(C_UPPER_LOWER,1, [define if toupper() requires islower()])
833 dnl ====================================================================
834 dnl Error string checks
836 dnl Check for declaration of sys_errlist in one of stdio.h and errno.h.
837 dnl Declaration of sys_errlist on BSD4.4 interferes with our declaration.
838 dnl Reported by Keith Bostic.
839 AC_DEFUN([OL_SYS_ERRLIST],
840 [AC_CACHE_CHECK([declaration of sys_errlist],ol_cv_dcl_sys_errlist,[
841 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
843 #include <sys/types.h>
847 #endif ]], [[char *c = (char *) *sys_errlist]])],[ol_cv_dcl_sys_errlist=yes
848 ol_cv_have_sys_errlist=yes],[ol_cv_dcl_sys_errlist=no])])
850 # It's possible (for near-UNIX clones) that sys_errlist doesn't exist
851 if test $ol_cv_dcl_sys_errlist = no ; then
852 AC_DEFINE(DECL_SYS_ERRLIST,1,
853 [define if sys_errlist is not declared in stdio.h or errno.h])
855 AC_CACHE_CHECK([existence of sys_errlist],ol_cv_have_sys_errlist,[
856 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]], [[char *c = (char *) *sys_errlist]])],[ol_cv_have_sys_errlist=yes],[ol_cv_have_sys_errlist=no])])
858 if test $ol_cv_have_sys_errlist = yes ; then
859 AC_DEFINE(HAVE_SYS_ERRLIST,1,
860 [define if you actually have sys_errlist in your libs])
863 AC_DEFUN([OL_NONPOSIX_STRERROR_R],
864 [AC_CACHE_CHECK([non-posix strerror_r],ol_cv_nonposix_strerror_r,[
865 AC_EGREP_CPP(strerror_r,[#include <string.h>],
866 ol_decl_strerror_r=yes, ol_decl_strerror_r=no)dnl
868 if test $ol_decl_strerror_r = yes ; then
869 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <string.h>]], [[ /* from autoconf 2.59 */
871 char x = *strerror_r (0, buf, sizeof buf);
872 char *p = strerror_r (0, buf, sizeof buf);
873 ]])],[ol_cv_nonposix_strerror_r=yes],[ol_cv_nonposix_strerror_r=no])
875 AC_RUN_IFELSE([AC_LANG_SOURCE([[
879 strerror_r( 1, buf, sizeof buf );
882 ]])],[ol_cv_nonposix_strerror_r=yes],[ol_cv_nonposix_strerror=no],[ol_cv_nonposix_strerror=no])
885 if test $ol_cv_nonposix_strerror_r = yes ; then
886 AC_DEFINE(HAVE_NONPOSIX_STRERROR_R,1,
887 [define if strerror_r returns char* instead of int])
891 AC_DEFUN([OL_STRERROR],
892 [OL_SYS_ERRLIST dnl TEMPORARY
893 AC_CHECK_FUNCS(strerror strerror_r)
894 ol_cv_func_strerror_r=no
895 if test "${ac_cv_func_strerror_r}" = yes ; then
896 OL_NONPOSIX_STRERROR_R
897 elif test "${ac_cv_func_strerror}" = no ; then
901 dnl ====================================================================
902 dnl Early MIPS compilers (used in Ultrix 4.2) don't like
903 dnl "int x; int *volatile a = &x; *a = 0;"
904 dnl -- borrowed from PDKSH
905 AC_DEFUN([OL_C_VOLATILE],
906 [AC_CACHE_CHECK(if compiler understands volatile, ol_cv_c_volatile,
907 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[int x, y, z;]], [[volatile int a; int * volatile b = x ? &y : &z;
908 /* Older MIPS compilers (eg., in Ultrix 4.2) don't like *b = 0 */
909 *b = 0;]])],[ol_cv_c_volatile=yes],[ol_cv_c_volatile=no])])
910 if test $ol_cv_c_volatile = yes; then
913 AC_DEFINE(volatile,,[define as empty if volatile is not supported])
917 dnl ====================================================================
918 dnl Look for fetch(3)
919 AC_DEFUN([OL_LIB_FETCH],
921 LIBS="-lfetch -lcom_err $LIBS"
922 AC_CACHE_CHECK([fetch(3) library],ol_cv_lib_fetch,[
923 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
924 #ifdef HAVE_SYS_PARAM_H
925 #include <sys/param.h>
928 #include <fetch.h>]], [[struct url *u = fetchParseURL("file:///"); ]])],[ol_cv_lib_fetch=yes],[ol_cv_lib_fetch=no])])
930 if test $ol_cv_lib_fetch != no ; then
931 ol_link_fetch="-lfetch -lcom_err"
932 AC_DEFINE(HAVE_FETCH,1,
933 [define if you actually have FreeBSD fetch(3)])
937 dnl ====================================================================
938 dnl Define inet_aton is available
939 AC_DEFUN([OL_FUNC_INET_ATON],
940 [AC_CACHE_CHECK([for inet_aton()], ol_cv_func_inet_aton,
941 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
942 #ifdef HAVE_SYS_TYPES_H
943 # include <sys/types.h>
945 #ifdef HAVE_SYS_SOCKET_H
946 # include <sys/socket.h>
947 # ifdef HAVE_SYS_SELECT_H
948 # include <sys/select.h>
950 # include <netinet/in.h>
951 # ifdef HAVE_ARPA_INET_H
952 # include <arpa/inet.h>
955 ]], [[struct in_addr in;
956 int rc = inet_aton( "255.255.255.255", &in );]])],[ol_cv_func_inet_aton=yes],[ol_cv_func_inet_aton=no])])
957 if test $ol_cv_func_inet_aton != no; then
958 AC_DEFINE(HAVE_INET_ATON, 1,
959 [define to you inet_aton(3) is available])
963 dnl ====================================================================
964 dnl check no of arguments for ctime_r
965 AC_DEFUN([OL_FUNC_CTIME_R_NARGS],
966 [AC_CACHE_CHECK(number of arguments of ctime_r, ol_cv_func_ctime_r_nargs,
967 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[time_t ti; char *buffer; ctime_r(&ti,buffer,32);]])],[ol_cv_func_ctime_r_nargs3=yes],[ol_cv_func_ctime_r_nargs3=no])
969 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[time_t ti; char *buffer; ctime_r(&ti,buffer);]])],[ol_cv_func_ctime_r_nargs2=yes],[ol_cv_func_ctime_r_nargs2=no])
971 if test $ol_cv_func_ctime_r_nargs3 = yes &&
972 test $ol_cv_func_ctime_r_nargs2 = no ; then
974 ol_cv_func_ctime_r_nargs=3
976 elif test $ol_cv_func_ctime_r_nargs3 = no &&
977 test $ol_cv_func_ctime_r_nargs2 = yes ; then
979 ol_cv_func_ctime_r_nargs=2
982 ol_cv_func_ctime_r_nargs=0
986 if test $ol_cv_func_ctime_r_nargs -gt 1 ; then
987 AC_DEFINE_UNQUOTED(CTIME_R_NARGS, $ol_cv_func_ctime_r_nargs,
988 [set to the number of arguments ctime_r() expects])
992 dnl --------------------------------------------------------------------
993 dnl check return type of ctime_r()
994 AC_DEFUN([OL_FUNC_CTIME_R_TYPE],
995 [AC_CACHE_CHECK(return type of ctime_r, ol_cv_func_ctime_r_type,
996 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[extern int (ctime_r)();]])],[ol_cv_func_ctime_r_type="int"],[ol_cv_func_ctime_r_type="charp"])
998 if test $ol_cv_func_ctime_r_type = "int" ; then
999 AC_DEFINE(CTIME_R_RETURNS_INT,1, [define if ctime_r() returns int])
1002 dnl ====================================================================
1003 dnl check no of arguments for gethostbyname_r
1004 AC_DEFUN([OL_FUNC_GETHOSTBYNAME_R_NARGS],
1005 [AC_CACHE_CHECK(number of arguments of gethostbyname_r,
1006 ol_cv_func_gethostbyname_r_nargs,
1007 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1008 #include <sys/socket.h>
1009 #include <netinet/in.h>
1011 #define BUFSIZE (sizeof(struct hostent)+10)]], [[struct hostent hent; char buffer[BUFSIZE];
1012 int bufsize=BUFSIZE;int h_errno;
1013 (void)gethostbyname_r("segovia.cs.purdue.edu", &hent,
1014 buffer, bufsize, &h_errno);]])],[ol_cv_func_gethostbyname_r_nargs5=yes],[ol_cv_func_gethostbyname_r_nargs5=no])
1016 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1017 #include <sys/socket.h>
1018 #include <netinet/in.h>
1020 #define BUFSIZE (sizeof(struct hostent)+10)]], [[struct hostent hent;struct hostent *rhent;
1021 char buffer[BUFSIZE];
1022 int bufsize=BUFSIZE;int h_errno;
1023 (void)gethostbyname_r("localhost", &hent, buffer, bufsize,
1024 &rhent, &h_errno);]])],[ol_cv_func_gethostbyname_r_nargs6=yes],[ol_cv_func_gethostbyname_r_nargs6=no])
1026 if test $ol_cv_func_gethostbyname_r_nargs5 = yes &&
1027 test $ol_cv_func_gethostbyname_r_nargs6 = no ; then
1029 ol_cv_func_gethostbyname_r_nargs=5
1031 elif test $ol_cv_func_gethostbyname_r_nargs5 = no &&
1032 test $ol_cv_func_gethostbyname_r_nargs6 = yes ; then
1034 ol_cv_func_gethostbyname_r_nargs=6
1037 ol_cv_func_gethostbyname_r_nargs=0
1040 if test $ol_cv_func_gethostbyname_r_nargs -gt 1 ; then
1041 AC_DEFINE_UNQUOTED(GETHOSTBYNAME_R_NARGS,
1042 $ol_cv_func_gethostbyname_r_nargs,
1043 [set to the number of arguments gethostbyname_r() expects])
1047 dnl check no of arguments for gethostbyaddr_r
1048 AC_DEFUN([OL_FUNC_GETHOSTBYADDR_R_NARGS],
1049 [AC_CACHE_CHECK(number of arguments of gethostbyaddr_r,
1050 [ol_cv_func_gethostbyaddr_r_nargs],
1051 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1052 #include <sys/socket.h>
1053 #include <netinet/in.h>
1055 #define BUFSIZE (sizeof(struct hostent)+10)]], [[struct hostent hent; char buffer[BUFSIZE];
1057 size_t alen=sizeof(struct in_addr);
1058 int bufsize=BUFSIZE;int h_errno;
1059 (void)gethostbyaddr_r( (void *)&(add.s_addr),
1060 alen, AF_INET, &hent, buffer, bufsize, &h_errno);]])],[ol_cv_func_gethostbyaddr_r_nargs7=yes],[ol_cv_func_gethostbyaddr_r_nargs7=no])
1062 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1063 #include <sys/socket.h>
1064 #include <netinet/in.h>
1066 #define BUFSIZE (sizeof(struct hostent)+10)]], [[struct hostent hent;
1067 struct hostent *rhent; char buffer[BUFSIZE];
1069 size_t alen=sizeof(struct in_addr);
1070 int bufsize=BUFSIZE;int h_errno;
1071 (void)gethostbyaddr_r( (void *)&(add.s_addr),
1072 alen, AF_INET, &hent, buffer, bufsize,
1073 &rhent, &h_errno);]])],[ol_cv_func_gethostbyaddr_r_nargs8=yes],[ol_cv_func_gethostbyaddr_r_nargs8=no])
1075 if test $ol_cv_func_gethostbyaddr_r_nargs7 = yes &&
1076 test $ol_cv_func_gethostbyaddr_r_nargs8 = no ; then
1078 ol_cv_func_gethostbyaddr_r_nargs=7
1080 elif test $ol_cv_func_gethostbyaddr_r_nargs7 = no &&
1081 test $ol_cv_func_gethostbyaddr_r_nargs8 = yes ; then
1083 ol_cv_func_gethostbyaddr_r_nargs=8
1086 ol_cv_func_gethostbyaddr_r_nargs=0
1089 if test $ol_cv_func_gethostbyaddr_r_nargs -gt 1 ; then
1090 AC_DEFINE_UNQUOTED(GETHOSTBYADDR_R_NARGS,
1091 $ol_cv_func_gethostbyaddr_r_nargs,
1092 [set to the number of arguments gethostbyaddr_r() expects])
1096 dnl --------------------------------------------------------------------
1097 dnl Check for Cyrus SASL version compatility
1098 AC_DEFUN([OL_SASL_COMPAT],
1099 [AC_CACHE_CHECK([Cyrus SASL library version], [ol_cv_sasl_compat],[
1100 AC_EGREP_CPP(__sasl_compat,[
1101 #ifdef HAVE_SASL_SASL_H
1102 #include <sasl/sasl.h>
1107 /* Require 2.1.15+ */
1108 #if SASL_VERSION_MAJOR == 2 && SASL_VERSION_MINOR > 1
1109 char *__sasl_compat = "2.2+ or better okay (we guess)";
1110 #elif SASL_VERSION_MAJOR == 2 && SASL_VERSION_MINOR == 1 \
1111 && SASL_VERSION_STEP >=15
1112 char *__sasl_compat = "2.1.15+ or better okay";
1114 ], [ol_cv_sasl_compat=yes], [ol_cv_sasl_compat=no])])
1116 dnl ====================================================================
1117 dnl check for SSL compatibility
1118 AC_DEFUN([OL_SSL_COMPAT],
1119 [AC_CACHE_CHECK([OpenSSL library version (CRL checking capability)],
1120 [ol_cv_ssl_crl_compat],[
1121 AC_EGREP_CPP(__ssl_compat,[
1122 #ifdef HAVE_OPENSSL_SSL_H
1123 #include <openssl/ssl.h>
1126 /* Require 0.9.7d+ */
1127 #if OPENSSL_VERSION_NUMBER >= 0x0090704fL
1128 char *__ssl_compat = "0.9.7d";
1130 ], [ol_cv_ssl_crl_compat=yes], [ol_cv_ssl_crl_compat=no])])