3 dnl Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
4 dnl COPYING RESTRICTIONS APPLY, See COPYRIGHT file
6 dnl OpenLDAP Autoconf Macros
8 dnl --------------------------------------------------------------------
9 dnl Restricted form of AC_ARG_ENABLE that limits user options
13 dnl $3 = default value (auto)
14 dnl $4 = allowed values (auto yes no)
15 AC_DEFUN([OL_ARG_ENABLE], [# OpenLDAP --enable-$1
16 AC_ARG_ENABLE($1,[$2 (]ifelse($3,,auto,$3)[)],[
18 for ol_val in ifelse($4,,[auto yes no],[$4]) ; do
19 if test "$enableval" = "$ol_val" ; then
23 if test "$ol_arg" = "invalid" ; then
24 AC_MSG_ERROR(bad value $enableval for --enable-$1)
26 ol_enable_$1="$ol_arg"
28 [ ol_enable_$1=ifelse($3,,"auto","$3")])dnl
29 dnl AC_VERBOSE(OpenLDAP -enable-$1 $ol_enable_$1)
33 dnl --------------------------------------------------------------------
34 dnl Restricted form of AC_ARG_WITH that limits user options
38 dnl $3 = default value (no)
39 dnl $4 = allowed values (yes or no)
40 AC_DEFUN([OL_ARG_WITH], [# OpenLDAP --with-$1
41 AC_ARG_WITH($1,[$2 (]ifelse($3,,yes,$3)[)],[
43 for ol_val in ifelse($4,,[yes no],[$4]) ; do
44 if test "$withval" = "$ol_val" ; then
48 if test "$ol_arg" = "invalid" ; then
49 AC_MSG_ERROR(bad value $withval for --with-$1)
53 [ ol_with_$1=ifelse($3,,"no","$3")])dnl
54 dnl AC_VERBOSE(OpenLDAP --with-$1 $ol_with_$1)
58 dnl ====================================================================
60 AC_DEFUN(AC_COMPILE_CHECK_SIZEOF,
61 [changequote(<<, >>)dnl
62 dnl The name to #define.
63 define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
64 dnl The cache variable name.
65 define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
67 AC_MSG_CHECKING(size of $1)
68 AC_CACHE_VAL(AC_CV_NAME,
69 [for ac_size in 4 8 1 2 16 $2 ; do # List sizes in rough order of prevalence.
70 AC_TRY_COMPILE([#include "confdefs.h"
71 #include <sys/types.h>
73 ], [switch (0) case 0: case (sizeof ($1) == $ac_size):;], AC_CV_NAME=$ac_size)
74 if test x$AC_CV_NAME != x ; then break; fi
77 if test x$AC_CV_NAME = x ; then
78 AC_MSG_ERROR([cannot determine a size for $1])
80 AC_MSG_RESULT($AC_CV_NAME)
81 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [The number of bytes in type $1])
82 undefine([AC_TYPE_NAME])dnl
83 undefine([AC_CV_NAME])dnl
85 dnl ====================================================================
86 dnl check if hard links are supported.
88 AC_DEFUN([OL_PROG_LN_H], [# test for ln hardlink support
89 AC_MSG_CHECKING(whether ln works)
90 AC_CACHE_VAL(ol_cv_prog_LN_H,
91 [rm -f conftest.src conftest.dst
92 echo "conftest" > conftest.src
93 if ln conftest.src conftest.dst 2>/dev/null
99 rm -f conftest.src conftest.dst
101 LN_H="$ol_cv_prog_LN_H"
102 if test "$ol_cv_prog_LN_H" = "ln"; then
110 dnl ====================================================================
111 dnl Check for dependency generation flag
112 AC_DEFUN([OL_MKDEPEND], [# test for make depend flag
115 if test -z "${MKDEP}"; then
117 if test -z "${MKDEP_FLAGS}"; then
118 AC_CACHE_CHECK([for ${OL_MKDEP} depend flag], ol_cv_mkdep, [
120 for flag in "-M" "-xM"; do
121 cat > conftest.c <<EOF
124 if AC_TRY_COMMAND($OL_MKDEP $flag conftest.c) \
125 | egrep '^conftest\.'"${ac_objext}" >/dev/null 2>&1
127 if test ! -f conftest."${ac_object}" ; then
129 OL_MKDEP_FLAGS="$flag"
138 OL_MKDEP_FLAGS="${MKDEP_FLAGS}"
143 OL_MKDEP_FLAGS="${MKDEP_FLAGS}"
146 AC_SUBST(OL_MKDEP_FLAGS)
149 dnl ====================================================================
150 dnl Check if system uses EBCDIC instead of ASCII
151 AC_DEFUN([OL_CPP_EBCDIC], [# test for EBCDIC
152 AC_CACHE_CHECK([for EBCDIC],ol_cv_cpp_ebcdic,[
155 #include <__ASCII__/generate_error.h>
158 [ol_cv_cpp_ebcdic=yes],
159 [ol_cv_cpp_ebcdic=no])])
160 if test $ol_cv_cpp_ebcdic = yes ; then
161 AC_DEFINE(HAVE_EBCDIC,1, [define if system uses EBCDIC instead of ASCII])
165 dnl --------------------------------------------------------------------
166 dnl OpenLDAP version of STDC header check w/ EBCDIC support
167 AC_DEFUN(OL_HEADER_STDC,
169 AC_REQUIRE([OL_CPP_EBCDIC])dnl
170 AC_CACHE_CHECK([for ANSI C header files], ol_cv_header_stdc,
171 [AC_TRY_CPP([#include <stdlib.h>
174 #include <float.h>], ol_cv_header_stdc=yes, ol_cv_header_stdc=no)
176 if test $ol_cv_header_stdc = yes; then
177 # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
178 AC_EGREP_HEADER(memchr, string.h, , ol_cv_header_stdc=no)
181 if test $ol_cv_header_stdc = yes; then
182 # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
183 AC_EGREP_HEADER(free, stdlib.h, , ol_cv_header_stdc=no)
186 if test $ol_cv_header_stdc = yes; then
187 # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
188 AC_TRY_RUN([#include <ctype.h>
190 # define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
191 # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
193 # define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
194 || ('j' <= (c) && (c) <= 'r') \
195 || ('s' <= (c) && (c) <= 'z'))
196 # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
198 #define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
199 int main () { int i; for (i = 0; i < 256; i++)
200 if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
202 ], , ol_cv_header_stdc=no, :)
204 if test $ol_cv_header_stdc = yes; then
205 AC_DEFINE(STDC_HEADERS)
207 ac_cv_header_stdc=disable
210 dnl ====================================================================
211 dnl Check if struct passwd has pw_gecos
212 AC_DEFUN([OL_STRUCT_PASSWD_PW_GECOS], [# test for pw_gecos in struct passwd
213 AC_CACHE_CHECK([struct passwd for pw_gecos],ol_cv_struct_passwd_pw_gecos,[
214 AC_TRY_COMPILE([#include <pwd.h>],[
216 pwd.pw_gecos = pwd.pw_name;
218 [ol_cv_struct_passwd_pw_gecos=yes],
219 [ol_cv_struct_passwd_pw_gecos=no])])
220 if test $ol_cv_struct_passwd_pw_gecos = yes ; then
221 AC_DEFINE(HAVE_PW_GECOS,1, [define if struct passwd has pw_gecos])
225 dnl --------------------------------------------------------------------
226 dnl Check if struct passwd has pw_passwd
227 AC_DEFUN([OL_STRUCT_PASSWD_PW_PASSWD], [# test for pw_passwd in struct passwd
228 AC_CACHE_CHECK([struct passwd for pw_passwd],ol_cv_struct_passwd_pw_passwd,[
229 AC_TRY_COMPILE([#include <pwd.h>],[
231 pwd.pw_passwd = pwd.pw_name;
233 [ol_cv_struct_passwd_pw_passwd=yes],
234 [ol_cv_struct_passwd_pw_passwd=no])])
235 if test $ol_cv_struct_passwd_pw_passwd = yes ; then
236 AC_DEFINE(HAVE_PW_PASSWD,1, [define if struct passwd has pw_passwd])
240 dnl ====================================================================
241 dnl Check if db.h is Berkeley DB2
243 dnl defines ol_cv_header_db2 to 'yes' or 'no'
246 dnl AC_CHECK_HEADERS(db.h)
248 AC_DEFUN([OL_HEADER_BERKELEY_DB2],
249 [AC_CHECK_HEADERS(db.h)
250 if test $ac_cv_header_db_h = yes ; then
251 AC_CACHE_CHECK([if db.h is DB2], [ol_cv_header_db2],[
252 AC_EGREP_CPP(__db_version_2,[
254 /* this check could be improved */
255 # ifdef DB_VERSION_MAJOR
256 # if DB_VERSION_MAJOR == 2
260 ], ol_cv_header_db2=yes, ol_cv_header_db2=no)])
265 dnl --------------------------------------------------------------------
266 dnl Check if Berkeley DB2 library exists
267 dnl Check for dbopen in standard libraries or -ldb
269 dnl defines ol_cv_lib_db2 to '-ldb' or 'no'
272 dnl AC_CHECK_LIB(db,db_appexit)
274 AC_DEFUN([OL_LIB_BERKELEY_DB2],
275 [AC_CACHE_CHECK([for DB2 library], [ol_cv_lib_db2],
277 AC_CHECK_LIB(db,db_appexit,[ol_cv_lib_db2=-ldb],[ol_cv_lib_db2=no])
282 dnl --------------------------------------------------------------------
283 dnl Check if Berkeley db2 exists
285 dnl defines ol_cv_berkeley_db2 to 'yes' or 'no'
288 dnl OL_LIB_BERKELEY_DB2
289 dnl OL_HEADER_BERKELEY_DB2
291 AC_DEFUN([OL_BERKELEY_DB2],
292 [AC_REQUIRE([OL_LIB_BERKELEY_DB2])
293 AC_REQUIRE([OL_HEADER_BERKELEY_DB2])
294 AC_CACHE_CHECK([for Berkeley DB2], [ol_cv_berkeley_db2], [
295 if test "$ol_cv_lib_db2" = no -o "$ol_cv_header_db2" = no ; then
296 ol_cv_berkeley_db2=no
298 ol_cv_berkeley_db2=yes
301 if test $ol_cv_berkeley_db2 = yes ; then
302 AC_DEFINE(HAVE_BERKELEY_DB2,1, [define if Berkeley DBv2 is available])
307 dnl --------------------------------------------------------------------
308 dnl Check if Berkeley db2 supports DB_THREAD
309 AC_DEFUN([OL_BERKELEY_DB2_DB_THREAD],
310 [AC_CACHE_CHECK([for DB_THREAD support], [ol_cv_berkeley_db2_db_thread], [
312 if test $ol_cv_lib_db2 != yes ; then
313 LIBS="$ol_cv_lib_db2"
319 #define NULL ((void *)0)
325 u_int32_t flags = DB_CREATE | DB_THREAD;
327 memset( &env, '\0', sizeof(env) );
329 rc = db_appinit( NULL, NULL, &env, flags );
337 [ol_cv_berkeley_db2_db_thread=yes],
338 [ol_cv_berkeley_db2_db_thread=no],
339 [ol_cv_berkeley_db2_db_thread=cross])
343 if test $ol_cv_berkeley_db2_db_thread != no ; then
344 AC_DEFINE(HAVE_BERKELEY_DB2_DB_THREAD, 1,
345 [define if BerkeleyDB2 has DB_THREAD support])
348 dnl ====================================================================
349 dnl Check for db.h/db_185.h is Berkeley DB
351 dnl defines ol_cv_header_db to 'yes' or 'no'
354 dnl OL_HEADER_BERKELEY_DB2
355 dnl AC_CHECK_HEADERS(db_185.h)
357 AC_DEFUN([OL_HEADER_BERKELEY_DB],
358 [AC_REQUIRE([OL_HEADER_BERKELEY_DB2])
359 AC_CHECK_HEADERS(db_185.h)
360 if test "$ol_cv_header_db2" = yes ; then
363 ol_cv_header_db=$ac_cv_header_db_185_h
365 ol_cv_header_db=$ac_cv_header_db_h
369 dnl --------------------------------------------------------------------
370 dnl Check if Berkeley DB library exists
371 dnl Check for dbopen in standard libraries or -ldb
373 dnl defines ol_cv_lib_db to 'yes' or '-ldb' or 'no'
374 dnl 'yes' implies dbopen is in $LIBS
377 dnl AC_CHECK_FUNC(dbopen)
378 dnl AC_CHECK_LIB(db,dbopen)
380 AC_DEFUN([OL_LIB_BERKELEY_DB],
381 [AC_CACHE_CHECK([for Berkeley DB library], [ol_cv_lib_db],
383 AC_CHECK_HEADERS(db1/db.h)
385 AC_CHECK_FUNC(dbopen,[ol_cv_lib_db=yes], [
386 AC_CHECK_LIB(db1,dbopen,[ol_cv_lib_db=-ldb1],[
387 AC_CHECK_LIB(db,dbopen,[ol_cv_lib_db=-ldb],
395 dnl --------------------------------------------------------------------
396 dnl Check if Berkeley DB exists
398 dnl defines ol_cv_berkeley_db to 'yes' or 'no'
401 dnl OL_LIB_BERKELEY_DB
402 dnl OL_HEADER_BERKELEY_DB
404 AC_DEFUN([OL_BERKELEY_DB],
405 [AC_REQUIRE([OL_LIB_BERKELEY_DB])
406 AC_REQUIRE([OL_HEADER_BERKELEY_DB])
407 AC_CACHE_CHECK([for Berkeley DB], [ol_cv_berkeley_db], [
408 if test "$ol_cv_lib_db" = no -o "$ol_cv_header_db" = no ; then
411 ol_cv_berkeley_db=yes
414 if test $ol_cv_berkeley_db = yes ; then
415 AC_DEFINE(HAVE_BERKELEY_DB,1, [define if Berkeley DB is available])
419 dnl ====================================================================
420 dnl Check if GDBM library exists
421 dnl Check for gdbm_open in standard libraries or -lgdbm
423 dnl defines ol_cv_lib_gdbm to 'yes' or '-lgdbm' or 'no'
424 dnl 'yes' implies gdbm_open is in $LIBS
427 dnl AC_CHECK_FUNC(gdbm_open)
428 dnl AC_CHECK_LIB(gdbm,gdbm_open)
430 AC_DEFUN([OL_LIB_GDBM],
431 [AC_CACHE_CHECK(for GDBM library, [ol_cv_lib_gdbm],
433 AC_CHECK_FUNC(gdbm_open,[ol_cv_lib_gdbm=yes], [
434 AC_CHECK_LIB(gdbm,gdbm_open,[ol_cv_lib_gdbm=-lgdbm],[ol_cv_lib_gdbm=no])
440 dnl --------------------------------------------------------------------
441 dnl Check if GDBM exists
443 dnl defines ol_cv_gdbm to 'yes' or 'no'
447 dnl AC_CHECK_HEADERS(gdbm.h)
450 [AC_REQUIRE([OL_LIB_GDBM])
451 AC_CHECK_HEADERS(gdbm.h)
452 AC_CACHE_CHECK(for db, [ol_cv_gdbm], [
453 if test $ol_cv_lib_gdbm = no -o $ac_cv_header_gdbm_h = no ; then
459 if test $ol_cv_gdbm = yes ; then
460 AC_DEFINE(HAVE_GDBM,1, [define if GNU DBM is available])
464 dnl ====================================================================
465 dnl Check if MDBM library exists
466 dnl Check for mdbm_open in standard libraries or -lmdbm
468 dnl defines ol_cv_lib_mdbm to 'yes' or '-lmdbm' or 'no'
469 dnl 'yes' implies mdbm_open is in $LIBS
472 dnl AC_CHECK_FUNC(mdbm_set_chain)
473 dnl AC_CHECK_LIB(mdbm,mdbm_set_chain)
475 AC_DEFUN([OL_LIB_MDBM],
476 [AC_CACHE_CHECK(for MDBM library, [ol_cv_lib_mdbm],
478 AC_CHECK_FUNC(mdbm_set_chain,[ol_cv_lib_mdbm=yes], [
479 AC_CHECK_LIB(mdbm,mdbm_set_chain,[ol_cv_lib_mdbm=-lmdbm],[ol_cv_lib_mdbm=no])
485 dnl --------------------------------------------------------------------
486 dnl Check if MDBM exists
488 dnl defines ol_cv_mdbm to 'yes' or 'no'
492 dnl AC_CHECK_HEADERS(mdbm.h)
495 [AC_REQUIRE([OL_LIB_MDBM])
496 AC_CHECK_HEADERS(mdbm.h)
497 AC_CACHE_CHECK(for db, [ol_cv_mdbm], [
498 if test $ol_cv_lib_mdbm = no -o $ac_cv_header_mdbm_h = no ; then
504 if test $ol_cv_mdbm = yes ; then
505 AC_DEFINE(HAVE_MDBM,1, [define if MDBM is available])
509 dnl ====================================================================
510 dnl Check if NDBM library exists
511 dnl Check for dbm_open in standard libraries or -lndbm or -ldbm
513 dnl defines ol_cv_lib_ndbm to 'yes' or '-lndbm' or -ldbm or 'no'
514 dnl 'yes' implies ndbm_open is in $LIBS
517 dnl AC_CHECK_FUNC(dbm_open)
518 dnl AC_CHECK_LIB(ndbm,dbm_open)
519 dnl AC_CHECK_LIB(dbm,dbm_open)
522 dnl should also check SVR4 case: dbm_open() in -lucb but that
523 dnl would requiring dealing with -L/usr/ucblib
525 AC_DEFUN([OL_LIB_NDBM],
526 [AC_CACHE_CHECK(for NDBM library, [ol_cv_lib_ndbm],
528 AC_CHECK_FUNC(dbm_open,[ol_cv_lib_ndbm=yes], [
529 AC_CHECK_LIB(ndbm,dbm_open,[ol_cv_lib_ndbm=-lndbm], [
530 AC_CHECK_LIB(dbm,dbm_open,[ol_cv_lib_ndbm=-ldbm],
531 [ol_cv_lib_ndbm=no])dnl
538 dnl --------------------------------------------------------------------
539 dnl Check if NDBM exists
541 dnl defines ol_cv_ndbm to 'yes' or 'no'
545 dnl AC_CHECK_HEADERS(ndbm.h)
548 dnl Doesn't handle SVR4 case (see above)
551 [AC_REQUIRE([OL_LIB_NDBM])
552 AC_CHECK_HEADERS(ndbm.h)
553 AC_CACHE_CHECK(for db, [ol_cv_ndbm], [
554 if test $ol_cv_lib_ndbm = no -o $ac_cv_header_ndbm_h = no ; then
560 if test $ol_cv_ndbm = yes ; then
561 AC_DEFINE(HAVE_NDBM,1, [define if NDBM is available])
565 dnl ====================================================================
566 dnl Check POSIX Thread version
568 dnl defines ol_cv_posix_version to 'final' or 'draft' or 'unknown'
569 dnl 'unknown' implies that the version could not be detected
570 dnl or that pthreads.h does exist. Existance of pthreads.h
571 dnl should be tested separately.
573 AC_DEFUN([OL_POSIX_THREAD_VERSION],
574 [AC_CACHE_CHECK([POSIX thread version],[ol_cv_pthread_version],[
575 AC_EGREP_CPP(pthread_version_final,[
576 # include <pthread.h>
577 /* this check could be improved */
578 # ifdef PTHREAD_ONCE_INIT
579 pthread_version_final;
581 ], ol_pthread_final=yes, ol_pthread_final=no)
583 AC_EGREP_CPP(pthread_version_draft4,[
584 # include <pthread.h>
585 /* this check could be improved */
586 # ifdef pthread_once_init
587 pthread_version_draft4;
589 ], ol_pthread_draft4=yes, ol_pthread_draft4=no)
591 if test $ol_pthread_final = yes -a $ol_pthread_draft4 = no; then
592 ol_cv_pthread_version=final
593 elif test $ol_pthread_final = no -a $ol_pthread_draft4 = yes; then
594 ol_cv_pthread_version=draft4
596 ol_cv_pthread_version=unknown
601 dnl --------------------------------------------------------------------
602 AC_DEFUN([OL_PTHREAD_TEST_INCLUDES],
603 [/* pthread test headers */
606 #define NULL (void*)0
612 return (void *) (p == NULL);
615 AC_DEFUN([OL_PTHREAD_TEST_FUNCTION],[
616 /* pthread test function */
620 /* make sure pthread_create() isn't just a stub */
622 status = pthread_create(&t, pthread_attr_default, task, NULL);
624 status = pthread_create(&t, NULL, task, NULL);
627 if( status ) exit( status );
629 /* make sure pthread_detach() isn't just a stub */
631 status = pthread_detach( &t );
633 status = pthread_detach( t );
636 #ifdef HAVE_LINUX_THREADS
637 pthread_kill_other_threads_np();
643 AC_DEFUN([OL_PTHREAD_TEST_PROGRAM],
644 [OL_PTHREAD_TEST_INCLUDES
650 OL_PTHREAD_TEST_FUNCTION
653 dnl --------------------------------------------------------------------
654 AC_DEFUN([OL_PTHREAD_TRY], [# Pthread try link: $1 ($2)
655 if test "$ol_link_threads" = no ; then
657 AC_CACHE_CHECK([for pthread link with $1], [$2], [
662 AC_TRY_RUN(OL_PTHREAD_TEST_PROGRAM,
664 [AC_TRY_LINK(OL_PTHREAD_TEST_INCLUDES,OL_PTHREAD_TEST_FUNCTION,
671 if test $$2 = yes ; then
672 ol_link_pthreads="$1"
673 ol_link_threads=posix
678 dnl ====================================================================
679 dnl Check GNU Pth pthread Header
681 dnl defines ol_cv_header linux_threads to 'yes' or 'no'
682 dnl 'no' implies pthreads.h is not LinuxThreads or pthreads.h
683 dnl doesn't exists. Existance of pthread.h should separately
686 AC_DEFUN([OL_HEADER_GNU_PTH_PTHREAD_H], [
687 AC_CACHE_CHECK([for GNU Pth pthread.h],
688 [ol_cv_header_gnu_pth_pthread_h],
689 [AC_EGREP_CPP(__gnu_pth__,
690 [#include <pthread.h>
691 #ifdef _POSIX_THREAD_IS_GNU_PTH
695 [ol_cv_header_gnu_pth_pthread_h=yes],
696 [ol_cv_header_gnu_pth_pthread_h=no])
699 dnl ====================================================================
700 dnl Check for NT Threads
701 AC_DEFUN([OL_NT_THREADS], [
702 AC_CACHE_CHECK([for NT Threads], [ol_cv_nt_threads], [
703 AC_CHECK_FUNC(_beginthread,
704 [ol_cv_nt_threads=yes],
705 [ol_cv_nt_threads=no])
708 if test $ol_cv_nt_threads = yes ; then
709 AC_DEFINE(HAVE_NT_THREADS,1,[if you have NT Threads])
712 dnl ====================================================================
713 dnl Check LinuxThreads Header
715 dnl defines ol_cv_header linux_threads to 'yes' or 'no'
716 dnl 'no' implies pthreads.h is not LinuxThreads or pthreads.h
717 dnl doesn't exists. Existance of pthread.h should separately
720 AC_DEFUN([OL_HEADER_LINUX_THREADS], [
721 AC_CACHE_CHECK([for LinuxThreads pthread.h],
722 [ol_cv_header_linux_threads],
723 [AC_EGREP_CPP(pthread_kill_other_threads_np,
724 [#include <pthread.h>],
725 [ol_cv_header_linux_threads=yes],
726 [ol_cv_header_linux_threads=no])
728 if test $ol_cv_header_linux_threads = yes; then
729 AC_DEFINE(HAVE_LINUX_THREADS,1,[if you have LinuxThreads])
732 dnl --------------------------------------------------------------------
733 dnl Check LinuxThreads Implementation
735 dnl defines ol_cv_sys_linux_threads to 'yes' or 'no'
736 dnl 'no' implies pthreads implementation is not LinuxThreads.
738 AC_DEFUN([OL_SYS_LINUX_THREADS], [
739 AC_CHECK_FUNC(pthread_kill_other_threads_np)
740 AC_CACHE_CHECK([for LinuxThreads implementation],
741 [ol_cv_sys_linux_threads],
742 [ol_cv_sys_linux_threads=$ac_cv_func_pthread_kill_other_threads_np])
745 dnl --------------------------------------------------------------------
746 dnl Check LinuxThreads consistency
747 AC_DEFUN([OL_LINUX_THREADS], [
748 AC_REQUIRE([OL_HEADER_LINUX_THREADS])
749 AC_REQUIRE([OL_SYS_LINUX_THREADS])
750 AC_CACHE_CHECK([for LinuxThreads consistency], [ol_cv_linux_threads], [
751 if test $ol_cv_header_linux_threads = yes -a \
752 $ol_cv_sys_linux_threads = yes; then
753 ol_cv_linux_threads=yes
754 elif test $ol_cv_header_linux_threads = no -a \
755 $ol_cv_sys_linux_threads = no; then
756 ol_cv_linux_threads=no
758 ol_cv_linux_threads=error
763 dnl ====================================================================
764 dnl Check for POSIX Regex
765 AC_DEFUN([OL_POSIX_REGEX], [
766 AC_CACHE_CHECK([for compatible POSIX regex],ol_cv_c_posix_regex,[
768 #include <sys/types.h>
770 static char *pattern, *string;
778 if(regcomp(&re, pattern, 0)) {
782 string = "ALL MATCH";
784 rc = regexec(&re, string, 0, (void*)0, 0);
790 [ol_cv_c_posix_regex=yes],
791 [ol_cv_c_posix_regex=no],
792 [ol_cv_c_posix_regex=cross])])
795 dnl ====================================================================
796 dnl Check if toupper() requires islower() to be called first
797 AC_DEFUN([OL_C_UPPER_LOWER],
798 [AC_CACHE_CHECK([if toupper() requires islower()],ol_cv_c_upper_lower,[
803 if ('C' == toupper('C'))
808 [ol_cv_c_upper_lower=no],
809 [ol_cv_c_upper_lower=yes],
810 [ol_cv_c_upper_lower=safe])])
811 if test $ol_cv_c_upper_lower != no ; then
812 AC_DEFINE(C_UPPER_LOWER,1, [define if toupper() requires islower()])
816 dnl ====================================================================
817 dnl Check for declaration of sys_errlist in one of stdio.h and errno.h.
818 dnl Declaration of sys_errlist on BSD4.4 interferes with our declaration.
819 dnl Reported by Keith Bostic.
820 AC_DEFUN([OL_SYS_ERRLIST],
821 [AC_CACHE_CHECK([declaration of sys_errlist],ol_cv_dcl_sys_errlist,[
824 #include <sys/types.h>
829 [char *c = (char *) *sys_errlist],
830 [ol_cv_dcl_sys_errlist=yes
831 ol_cv_have_sys_errlist=yes],
832 [ol_cv_dcl_sys_errlist=no])])
834 # It's possible (for near-UNIX clones) that sys_errlist doesn't exist
835 if test $ol_cv_dcl_sys_errlist = no ; then
836 AC_DEFINE(DECL_SYS_ERRLIST,1,
837 [define if sys_errlist is not declared in stdio.h or errno.h])
839 AC_CACHE_CHECK([existence of sys_errlist],ol_cv_have_sys_errlist,[
840 AC_TRY_LINK([#include <errno.h>],
841 [char *c = (char *) *sys_errlist],
842 [ol_cv_have_sys_errlist=yes],
843 [ol_cv_have_sys_errlist=no])])
845 if test $ol_cv_have_sys_errlist = yes ; then
846 AC_DEFINE(HAVE_SYS_ERRLIST,1,
847 [define if you actually have sys_errlist in your libs])
851 dnl ====================================================================
852 dnl Early MIPS compilers (used in Ultrix 4.2) don't like
853 dnl "int x; int *volatile a = &x; *a = 0;"
854 dnl -- borrowed from PDKSH
855 AC_DEFUN(OL_C_VOLATILE,
856 [AC_CACHE_CHECK(if compiler understands volatile, ol_cv_c_volatile,
857 [AC_TRY_COMPILE([int x, y, z;],
858 [volatile int a; int * volatile b = x ? &y : &z;
859 /* Older MIPS compilers (eg., in Ultrix 4.2) don't like *b = 0 */
860 *b = 0;], ol_cv_c_volatile=yes, ol_cv_c_volatile=no)])
861 if test $ol_cv_c_volatile = yes; then
864 AC_DEFINE(volatile,,[define as empty if volatile is not supported])
868 dnl ====================================================================
869 dnl Look for fetch(3)
870 AC_DEFUN([OL_LIB_FETCH],
872 LIBS="-lfetch -lcom_err $LIBS"
873 AC_CACHE_CHECK([fetch(3) library],ol_cv_lib_fetch,[
875 #include <sys/param.h>
878 [struct url *u = fetchParseURL("file:///"); ],
879 [ol_cv_lib_fetch=yes],
880 [ol_cv_lib_fetch=no])])
882 if test $ol_cv_lib_fetch != no ; then
883 ol_link_fetch="-lfetch -lcom_err"
884 AC_DEFINE(HAVE_FETCH,1,
885 [define if you actually have FreeBSD fetch(3)])
889 dnl ====================================================================
890 dnl Define sig_atomic_t if not defined in signal.h
891 AC_DEFUN(OL_TYPE_SIG_ATOMIC_T,
892 [AC_CACHE_CHECK(for sig_atomic_t, ol_cv_type_sig_atomic_t,
893 [AC_TRY_COMPILE([#include <signal.h>], [sig_atomic_t atomic;],
894 ol_cv_type_sig_atomic_t=yes, ol_cv_type_sig_atomic_t=no)])
895 if test $ol_cv_type_sig_atomic_t = no; then
896 AC_DEFINE(sig_atomic_t,int,
897 [define to atomic type if sig_atomic_t is not available])
901 dnl ====================================================================
902 dnl Define socklen_t if not defined in sys/types.h or sys/socket.h
903 AC_DEFUN(OL_TYPE_SOCKLEN_T,
904 [AC_CACHE_CHECK(for socklen_t, ol_cv_type_socklen_t,
906 #ifdef HAVE_SYS_TYPES_H
907 #include <sys/types.h>
909 #ifdef HAVE_SYS_SOCKET_H
910 #include <sys/socket.h>
913 ol_cv_type_socklen_t=yes, ol_cv_type_socklen_t=no)])
914 if test $ol_cv_type_socklen_t = no; then
915 AC_DEFINE(socklen_t, int,
916 [define to int if socklen_t is not available])
920 dnl ====================================================================
921 dnl Define inet_aton is available
922 AC_DEFUN(OL_FUNC_INET_ATON,
923 [AC_CACHE_CHECK([for inet_aton()], ol_cv_func_inet_aton,
925 #ifdef HAVE_SYS_TYPES_H
926 # include <sys/types.h>
928 #ifdef HAVE_SYS_SOCKET_H
929 # include <sys/socket.h>
930 # ifdef HAVE_SYS_SELECT_H
931 # include <sys/select.h>
933 # include <netinet/in.h>
934 # ifdef HAVE_ARPA_INET_H
935 # include <arpa/inet.h>
938 ], [struct in_addr in;
939 int rc = inet_aton( "255.255.255.255", &in );],
940 ol_cv_func_inet_aton=yes, ol_cv_func_inet_aton=no)])
941 if test $ol_cv_func_inet_aton != no; then
942 AC_DEFINE(HAVE_INET_ATON, 1,
943 [define to you inet_aton(3) is available])
947 dnl ====================================================================
948 dnl check no of arguments for ctime_r
949 AC_DEFUN(OL_FUNC_CTIME_R_NARGS,
950 [AC_CACHE_CHECK(number of arguments of ctime_r, ol_cv_func_ctime_r_nargs,
951 [AC_TRY_COMPILE([#include <time.h>],
952 [time_t ti; char *buffer; ctime_r(&ti,buffer,32);],
953 ol_cv_func_ctime_r_nargs3=yes,
954 ol_cv_func_ctime_r_nargs3=no)
956 AC_TRY_COMPILE([#include <time.h>],
957 [time_t ti; char *buffer; ctime_r(&ti,buffer);],
958 ol_cv_func_ctime_r_nargs2=yes,
959 ol_cv_func_ctime_r_nargs2=no)
961 if test $ol_cv_func_ctime_r_nargs3 = yes -a \
962 $ol_cv_func_ctime_r_nargs2 = no ; then
964 ol_cv_func_ctime_r_nargs=3
966 elif test $ol_cv_func_ctime_r_nargs3 = no -a \
967 $ol_cv_func_ctime_r_nargs2 = yes ; then
969 ol_cv_func_ctime_r_nargs=2
972 ol_cv_func_ctime_r_nargs=0
976 if test $ol_cv_func_ctime_r_nargs -gt 1 ; then
977 AC_DEFINE_UNQUOTED(CTIME_R_NARGS, $ol_cv_func_ctime_r_nargs,
978 [set to the number of arguments ctime_r() expects])
982 dnl --------------------------------------------------------------------
983 dnl check return type of ctime_r()
984 AC_DEFUN(OL_FUNC_CTIME_R_TYPE,
985 [AC_CACHE_CHECK(return type of ctime_r, ol_cv_func_ctime_r_type,
986 [AC_TRY_COMPILE([#include <time.h>],
987 [extern int (ctime_r)();],
988 ol_cv_func_ctime_r_type="int", ol_cv_func_ctime_r_type="charp")
990 if test $ol_cv_func_ctime_r_type = "int" ; then
991 AC_DEFINE(CTIME_R_RETURNS_INT,1, [define if ctime_r() returns int])
994 dnl ====================================================================
995 dnl check no of arguments for gethostbyname_r
996 AC_DEFUN(OL_FUNC_GETHOSTBYNAME_R_NARGS,
997 [AC_CACHE_CHECK(number of arguments of gethostbyname_r,
998 ol_cv_func_gethostbyname_r_nargs,
999 [AC_TRY_COMPILE([#include <sys/types.h>
1000 #include <sys/socket.h>
1001 #include <netinet/in.h>
1003 #define BUFSIZE (sizeof(struct hostent)+10)],
1004 [struct hostent hent; char buffer[BUFSIZE];
1005 int bufsize=BUFSIZE;int h_errno;
1006 (void)gethostbyname_r("segovia.cs.purdue.edu", &hent,
1007 buffer, bufsize, &h_errno);],
1008 ol_cv_func_gethostbyname_r_nargs5=yes,
1009 ol_cv_func_gethostbyname_r_nargs5=no)
1011 AC_TRY_COMPILE([#include <sys/types.h>
1012 #include <sys/socket.h>
1013 #include <netinet/in.h>
1015 #define BUFSIZE (sizeof(struct hostent)+10)],
1016 [struct hostent hent;struct hostent *rhent;
1017 char buffer[BUFSIZE];
1018 int bufsize=BUFSIZE;int h_errno;
1019 (void)gethostbyname_r("localhost", &hent, buffer, bufsize,
1020 &rhent, &h_errno);],
1021 ol_cv_func_gethostbyname_r_nargs6=yes,
1022 ol_cv_func_gethostbyname_r_nargs6=no)
1024 if test $ol_cv_func_gethostbyname_r_nargs5 = yes -a \
1025 $ol_cv_func_gethostbyname_r_nargs6 = no ; then
1027 ol_cv_func_gethostbyname_r_nargs=5
1029 elif test $ol_cv_func_gethostbyname_r_nargs5 = no -a \
1030 $ol_cv_func_gethostbyname_r_nargs6 = yes ; then
1032 ol_cv_func_gethostbyname_r_nargs=6
1035 ol_cv_func_gethostbyname_r_nargs=0
1038 if test $ol_cv_func_gethostbyname_r_nargs -gt 1 ; then
1039 AC_DEFINE_UNQUOTED(GETHOSTBYNAME_R_NARGS,
1040 $ol_cv_func_gethostbyname_r_nargs,
1041 [set to the number of arguments gethostbyname_r() expects])
1045 dnl check no of arguments for gethostbyaddr_r
1046 AC_DEFUN(OL_FUNC_GETHOSTBYADDR_R_NARGS,
1047 [AC_CACHE_CHECK(number of arguments of gethostbyaddr_r,
1048 [ol_cv_func_gethostbyaddr_r_nargs],
1049 [AC_TRY_COMPILE([#include <sys/types.h>
1050 #include <sys/socket.h>
1051 #include <netinet/in.h>
1053 #define BUFSIZE (sizeof(struct hostent)+10)],
1054 [struct hostent hent; char buffer[BUFSIZE];
1056 size_t alen=sizeof(struct in_addr);
1057 int bufsize=BUFSIZE;int h_errno;
1058 (void)gethostbyaddr_r( (void *)&(add.s_addr),
1059 alen, AF_INET, &hent, buffer, bufsize, &h_errno);],
1060 ol_cv_func_gethostbyaddr_r_nargs7=yes,
1061 ol_cv_func_gethostbyaddr_r_nargs7=no)
1063 AC_TRY_COMPILE([#include <sys/types.h>
1064 #include <sys/socket.h>
1065 #include <netinet/in.h>
1067 #define BUFSIZE (sizeof(struct hostent)+10)],
1068 [struct hostent hent;
1069 struct hostent *rhent; char buffer[BUFSIZE];
1071 size_t alen=sizeof(struct in_addr);
1072 int bufsize=BUFSIZE;int h_errno;
1073 (void)gethostbyaddr_r( (void *)&(add.s_addr),
1074 alen, AF_INET, &hent, buffer, bufsize,
1075 &rhent, &h_errno);],
1076 ol_cv_func_gethostbyaddr_r_nargs8=yes,
1077 ol_cv_func_gethostbyaddr_r_nargs8=no)
1079 if test $ol_cv_func_gethostbyaddr_r_nargs7 = yes -a \
1080 $ol_cv_func_gethostbyaddr_r_nargs8 = no ; then
1082 ol_cv_func_gethostbyaddr_r_nargs=7
1084 elif test $ol_cv_func_gethostbyaddr_r_nargs7 = no -a \
1085 $ol_cv_func_gethostbyaddr_r_nargs8 = yes ; then
1087 ol_cv_func_gethostbyaddr_r_nargs=8
1090 ol_cv_func_gethostbyaddr_r_nargs=0
1093 if test $ol_cv_func_gethostbyaddr_r_nargs -gt 1 ; then
1094 AC_DEFINE_UNQUOTED(GETHOSTBYADDR_R_NARGS,
1095 $ol_cv_func_gethostbyaddr_r_nargs,
1096 [set to the number of arguments gethostbyaddr_r() expects])