]> git.sur5r.net Git - openldap/blobdiff - build/openldap.m4
Revert previous commit, added NT mkvers script
[openldap] / build / openldap.m4
index cce2992a0400209e2117787865d22b4d1494b856..12b1f62b7be4382edc057ef4b525315245922a72 100644 (file)
@@ -1,7 +1,13 @@
 dnl $OpenLDAP$
 dnl
-dnl Copyright 1998-2000 The OpenLDAP Foundation,  All Rights Reserved.
-dnl COPYING RESTRICTIONS APPLY, See COPYRIGHT file
+dnl Copyright 1998-2003 The OpenLDAP Foundation, Redwood City, California, USA
+dnl All rights reserved.
+dnl 
+dnl Redistribution and use in source and binary forms, with or without
+dnl modification, are permitted only as authorized by the OpenLDAP
+dnl Public License.  A copy of this license is available at
+dnl http://www.OpenLDAP.org/license.html or in file LICENSE in the
+dnl top-level directory of the distribution.
 dnl
 dnl OpenLDAP Autoconf Macros
 dnl
@@ -13,7 +19,7 @@ dnl $2 = help-string
 dnl $3 = default value (auto)
 dnl $4 = allowed values (auto yes no)
 AC_DEFUN([OL_ARG_ENABLE], [# OpenLDAP --enable-$1
-       AC_ARG_ENABLE($1,[$2 (]ifelse($3,,auto,$3)[)],[
+       AC_ARG_ENABLE($1,changequote(<,>)<$2 [>ifelse($3,,auto,$3)<]>changequote([,]),[
        ol_arg=invalid
        for ol_val in ifelse($4,,[auto yes no],[$4]) ; do
                if test "$enableval" = "$ol_val" ; then
@@ -38,7 +44,7 @@ dnl $2 = help-string
 dnl $3 = default value (no)
 dnl $4 = allowed values (yes or no)
 AC_DEFUN([OL_ARG_WITH], [# OpenLDAP --with-$1
-       AC_ARG_WITH($1,[$2 (]ifelse($3,,yes,$3)[)],[
+       AC_ARG_WITH($1,changequote(<,>)<$2 [>ifelse($3,,yes,$3)<]>changequote([,]),[
        ol_arg=invalid
        for ol_val in ifelse($4,,[yes no],[$4]) ; do
                if test "$withval" = "$ol_val" ; then
@@ -238,92 +244,149 @@ fi
 ])
 dnl
 dnl ====================================================================
-dnl Check if db.h is Berkeley DB2
-dnl
-dnl defines ol_cv_header_db2 to 'yes' or 'no'
+dnl Berkeley DB macros
 dnl
-dnl uses:
-dnl            AC_CHECK_HEADERS(db.h)
-dnl
-AC_DEFUN([OL_HEADER_BERKELEY_DB2],
-[AC_CHECK_HEADERS(db.h)
-if test $ac_cv_header_db_h = yes ; then
-       AC_CACHE_CHECK([if db.h is DB2], [ol_cv_header_db2],[
-               AC_EGREP_CPP(__db_version_2,[
-#                      include <db.h>
-                       /* this check could be improved */
-#                      ifdef DB_VERSION_MAJOR
-#                              if DB_VERSION_MAJOR == 2
-                                       __db_version_2;
-#                              endif
-#                      endif
-               ], ol_cv_header_db2=yes, ol_cv_header_db2=no)])
-else
-       ol_cv_header_db2=no
-fi
-])dnl
 dnl --------------------------------------------------------------------
-dnl Check if Berkeley DB2 library exists
-dnl Check for dbopen in standard libraries or -ldb
-dnl
-dnl defines ol_cv_lib_db2 to '-ldb' or 'no'
-dnl
-dnl uses:
-dnl            AC_CHECK_LIB(db,db_appexit)
-dnl
-AC_DEFUN([OL_LIB_BERKELEY_DB2],
-[AC_CACHE_CHECK([for DB2 library], [ol_cv_lib_db2],
-[      ol_LIBS="$LIBS"
-       AC_CHECK_LIB(db,db_appexit,[ol_cv_lib_db2=-ldb],[ol_cv_lib_db2=no])
+dnl Try to link
+AC_DEFUN([OL_BERKELEY_DB_TRY],
+[if test $ol_cv_lib_db = no ; then
+       AC_CACHE_CHECK([for Berkeley DB link (]ifelse($2,,default,$2)[)],[$1],
+[
+       ol_DB_LIB=ifelse($2,,,$2)
+       ol_LIBS=$LIBS
+       LIBS="$ol_DB_LIB $LTHREAD_LIBS $LIBS"
+
+       AC_TRY_LINK([
+#ifdef HAVE_DB_185_H
+# include <db_185.h>
+#else
+# include <db.h>
+#endif
+
+#ifndef DB_VERSION_MAJOR
+# define DB_VERSION_MAJOR 1
+#endif
+
+#ifndef NULL
+#define NULL ((void*)0)
+#endif
+],[
+#if DB_VERSION_MAJOR > 1
+       {
+               char *version;
+               int major, minor, patch;
+
+               version = db_version( &major, &minor, &patch );
+
+               if( major != DB_VERSION_MAJOR ||
+                       minor < DB_VERSION_MINOR )
+               {
+                       printf("Berkeley DB version mismatch\n"
+                               "\texpected: %s\n\tgot: %s\n",
+                               DB_VERSION_STRING, version);
+                       return 1;
+               }
+       }
+#endif
+
+#if DB_VERSION_MAJOR > 2
+       db_env_create( NULL, 0 );
+#elif DB_VERSION_MAJOR > 1
+       db_appexit( NULL );
+#else
+       (void) dbopen( NULL, 0, 0, 0, NULL);
+#endif
+],[$1=yes],[$1=no])
+
        LIBS="$ol_LIBS"
 ])
-])dnl
-dnl
-dnl --------------------------------------------------------------------
-dnl Check if Berkeley db2 exists
-dnl
-dnl defines ol_cv_berkeley_db2 to 'yes' or 'no'
-dnl 
-dnl uses:
-dnl            OL_LIB_BERKELEY_DB2
-dnl            OL_HEADER_BERKELEY_DB2
-dnl
-AC_DEFUN([OL_BERKELEY_DB2],
-[AC_REQUIRE([OL_LIB_BERKELEY_DB2])
- AC_REQUIRE([OL_HEADER_BERKELEY_DB2])
- AC_CACHE_CHECK([for Berkeley DB2], [ol_cv_berkeley_db2], [
-       if test "$ol_cv_lib_db2" = no -o "$ol_cv_header_db2" = no ; then
-               ol_cv_berkeley_db2=no
-       else
-               ol_cv_berkeley_db2=yes
+
+       if test $$1 = yes ; then
+               ol_cv_lib_db=ifelse($2,,yes,$2)
        fi
+fi
 ])
- if test $ol_cv_berkeley_db2 = yes ; then
-       AC_DEFINE(HAVE_BERKELEY_DB2,1, [define if Berkeley DBv2 is available])
- fi
-])dnl
 dnl
+dnl --------------------------------------------------------------------
+dnl Try to locate appropriate library
+AC_DEFUN([OL_BERKELEY_DB_LINK],
+[ol_cv_lib_db=no
+OL_BERKELEY_DB_TRY(ol_cv_db_none)
+OL_BERKELEY_DB_TRY(ol_cv_db_db41,[-ldb41])
+OL_BERKELEY_DB_TRY(ol_cv_db_db_41,[-ldb-41])
+OL_BERKELEY_DB_TRY(ol_cv_db_db_4_dot_1,[-ldb-4.1])
+OL_BERKELEY_DB_TRY(ol_cv_db_db_4_1,[-ldb-4-1])
+OL_BERKELEY_DB_TRY(ol_cv_db_db_4,[-ldb-4])
+OL_BERKELEY_DB_TRY(ol_cv_db_db4,[-ldb4])
+OL_BERKELEY_DB_TRY(ol_cv_db_db,[-ldb])
+OL_BERKELEY_DB_TRY(ol_cv_db_db3,[-ldb3])
+OL_BERKELEY_DB_TRY(ol_cv_db_db_3,[-ldb-3])
+OL_BERKELEY_DB_TRY(ol_cv_db_db2,[-ldb2])
+OL_BERKELEY_DB_TRY(ol_cv_db_db_2,[-ldb-2])
+OL_BERKELEY_DB_TRY(ol_cv_db_db1,[-ldb1])
+OL_BERKELEY_DB_TRY(ol_cv_db_db_1,[-ldb-1])
+])
 dnl
 dnl --------------------------------------------------------------------
-dnl Check if Berkeley db2 supports DB_THREAD
-AC_DEFUN([OL_BERKELEY_DB2_DB_THREAD],
-[AC_CACHE_CHECK([for DB_THREAD support], [ol_cv_berkeley_db2_db_thread], [
+dnl Check if Berkeley DB supports DB_THREAD
+AC_DEFUN([OL_BERKELEY_DB_THREAD],
+[AC_CACHE_CHECK([for Berkeley DB thread support], [ol_cv_berkeley_db_thread], [
        ol_LIBS="$LIBS"
-       if test $ol_cv_lib_db2 != yes ; then
-               LIBS="$ol_cv_lib_db2"
+       LIBS="$LTHREAD_LIBS $LIBS"
+       if test $ol_cv_lib_db != yes ; then
+               LIBS="$ol_cv_lib_db $LIBS"
        fi
 
        AC_TRY_RUN([
+#ifdef HAVE_DB_185_H
+       choke me;
+#else
 #include <db.h>
+#endif
 #ifndef NULL
 #define NULL ((void *)0)
 #endif
 main()
 {
        int rc;
-       DB_ENV env;
-       u_int32_t flags = DB_CREATE | DB_THREAD;
+       u_int32_t flags = DB_CREATE |
+#ifdef DB_PRIVATE
+               DB_PRIVATE |
+#endif
+               DB_THREAD;
+
+#if DB_VERSION_MAJOR > 2
+       DB_ENV *env = NULL;
+
+       rc = db_env_create( &env, 0 );
+
+       flags |= DB_INIT_MPOOL;
+#ifdef DB_MPOOL_PRIVATE
+       flags |= DB_MPOOL_PRIVATE;
+#endif
 
+       if( rc ) {
+               printf("BerkeleyDB: %s\n", db_strerror(rc) );
+               return rc;
+       }
+
+#if (DB_VERSION_MAJOR > 3) || (DB_VERSION_MINOR >= 1)
+       rc = env->open( env, NULL, flags, 0 );
+#else
+       rc = env->open( env, NULL, NULL, flags, 0 );
+#endif
+
+       if ( rc == 0 ) {
+               rc = env->close( env, 0 );
+       }
+
+       if( rc ) {
+               printf("BerkeleyDB: %s\n", db_strerror(rc) );
+               return rc;
+       }
+
+#else
+       DB_ENV env;
        memset( &env, '\0', sizeof(env) );
 
        rc = db_appinit( NULL, NULL, &env, flags );
@@ -332,89 +395,91 @@ main()
                db_appexit( &env );
        }
 
+       unlink("__db_mpool.share");
+       unlink("__db_lock.share");
+#endif
+
        return rc;
 }],
-       [ol_cv_berkeley_db2_db_thread=yes],
-       [ol_cv_berkeley_db2_db_thread=no],
-       [ol_cv_berkeley_db2_db_thread=cross])
+       [ol_cv_berkeley_db_thread=yes],
+       [ol_cv_berkeley_db_thread=no],
+       [ol_cv_berkeley_db_thread=cross])
 
        LIBS="$ol_LIBS"
+])
 
-       if test $ol_cv_berkeley_db2_db_thread != no ; then
-               AC_DEFINE(HAVE_BERKELEY_DB2_DB_THREAD, 1,
-                       [define if BerkeleyDB2 has DB_THREAD support])
+       if test $ol_cv_berkeley_db_thread != no ; then
+               AC_DEFINE(HAVE_BERKELEY_DB_THREAD, 1,
+                       [define if Berkeley DB has DB_THREAD support])
        fi
-])])dnl
-dnl ====================================================================
-dnl Check for db.h/db_185.h is Berkeley DB
-dnl
-dnl defines ol_cv_header_db to 'yes' or 'no'
-dnl
-dnl uses:
-dnl            OL_HEADER_BERKELEY_DB2
-dnl            AC_CHECK_HEADERS(db_185.h)
-dnl
-AC_DEFUN([OL_HEADER_BERKELEY_DB],
-[AC_REQUIRE([OL_HEADER_BERKELEY_DB2])
-AC_CHECK_HEADERS(db_185.h)
-if test "$ol_cv_header_db2" = yes ; then
-       dnl db.h is db2! 
-
-       ol_cv_header_db=$ac_cv_header_db_185_h
-else
-       ol_cv_header_db=$ac_cv_header_db_h
-fi
-])dnl
-dnl
-dnl --------------------------------------------------------------------
-dnl Check if Berkeley DB library exists
-dnl Check for dbopen in standard libraries or -ldb
-dnl
-dnl defines ol_cv_lib_db to 'yes' or '-ldb' or 'no'
-dnl            'yes' implies dbopen is in $LIBS
-dnl
-dnl uses:
-dnl            AC_CHECK_FUNC(dbopen)
-dnl            AC_CHECK_LIB(db,dbopen)
-dnl
-AC_DEFUN([OL_LIB_BERKELEY_DB],
-[AC_CACHE_CHECK([for Berkeley DB library], [ol_cv_lib_db],
-[
-       AC_CHECK_HEADERS(db1/db.h)
-       ol_LIBS="$LIBS"
-       AC_CHECK_FUNC(dbopen,[ol_cv_lib_db=yes], [
-               AC_CHECK_LIB(db1,dbopen,[ol_cv_lib_db=-ldb1],[
-                       AC_CHECK_LIB(db,dbopen,[ol_cv_lib_db=-ldb],
-                       [ol_cv_lib_db=no])
-               ])
-       ])
-       LIBS="$ol_LIBS"
-])
 ])dnl
 dnl
 dnl --------------------------------------------------------------------
-dnl Check if Berkeley DB exists
-dnl
-dnl defines ol_cv_berkeley_db to 'yes' or 'no'
-dnl 
-dnl uses:
-dnl            OL_LIB_BERKELEY_DB
-dnl            OL_HEADER_BERKELEY_DB
-dnl
+dnl Find any DB
 AC_DEFUN([OL_BERKELEY_DB],
-[AC_REQUIRE([OL_LIB_BERKELEY_DB])
- AC_REQUIRE([OL_HEADER_BERKELEY_DB])
- AC_CACHE_CHECK([for Berkeley DB], [ol_cv_berkeley_db], [
-       if test "$ol_cv_lib_db" = no -o "$ol_cv_header_db" = no ; then
-               ol_cv_berkeley_db=no
-       else
+[ol_cv_berkeley_db=no
+AC_CHECK_HEADERS(db.h)
+if test $ac_cv_header_db_h = yes; then
+       OL_BERKELEY_DB_LINK
+       if test "$ol_cv_lib_db" != no ; then
                ol_cv_berkeley_db=yes
+               OL_BERKELEY_DB_THREAD
        fi
+fi
+])
+dnl --------------------------------------------------------------------
+dnl Check for version compatility with back-bdb
+AC_DEFUN([OL_BDB_COMPAT],
+[AC_CACHE_CHECK([Berkeley DB version for BDB backend], [ol_cv_bdb_compat],[
+       AC_EGREP_CPP(__db_version_compat,[
+#include <db.h>
+
+ /* this check could be improved */
+#ifndef DB_VERSION_MAJOR
+#      define DB_VERSION_MAJOR 1
+#endif
+#ifndef DB_VERSION_MINOR
+#      define DB_VERSION_MINOR 0
+#endif
+
+/* require 4.0 or later */
+#if (DB_VERSION_MAJOR >= 4) && (DB_VERSION_MINOR >= 1)
+       __db_version_compat
+#endif
+       ], [ol_cv_bdb_compat=yes], [ol_cv_bdb_compat=no])])
+])
+
+dnl --------------------------------------------------------------------
+dnl Find old Berkeley DB 1.85/1.86
+AC_DEFUN([OL_BERKELEY_COMPAT_DB],
+[AC_CHECK_HEADERS(db_185.h db.h)
+if test $ac_cv_header_db_185_h = yes -o $ac_cv_header_db_h = yes; then
+       AC_CACHE_CHECK([if Berkeley DB header compatibility], [ol_cv_header_db1],[
+               AC_EGREP_CPP(__db_version_1,[
+#if HAVE_DB_185_H
+#      include <db_185.h>
+#else
+#      include <db.h>
+#endif
+
+ /* this check could be improved */
+#ifndef DB_VERSION_MAJOR
+#      define DB_VERSION_MAJOR 1
+#endif
+
+#if DB_VERSION_MAJOR == 1 
+       __db_version_1
+#endif
+],     [ol_cv_header_db1=yes], [ol_cv_header_db1=no])])
+
+       if test $ol_cv_header_db1 = yes ; then
+               OL_BERKELEY_DB_LINK
+               if test "$ol_cv_lib_db" != no ; then
+                       ol_cv_berkeley_db=yes
+               fi
+       fi
+fi
 ])
- if test $ol_cv_berkeley_db = yes ; then
-       AC_DEFINE(HAVE_BERKELEY_DB,1, [define if Berkeley DB is available])
- fi
-])dnl
 dnl
 dnl ====================================================================
 dnl Check if GDBM library exists
@@ -565,36 +630,48 @@ dnl
 dnl ====================================================================
 dnl Check POSIX Thread version 
 dnl
-dnl defines ol_cv_posix_version to 'final' or 'draft' or 'unknown'
-dnl    'unknown' implies that the version could not be detected
-dnl            or that pthreads.h does exist.  Existance of pthreads.h
-dnl            should be tested separately.
+dnl defines ol_cv_pthread_version to 4, 5, 6, 7, 8, 10, depending on the
+dnl    version of the POSIX.4a Draft that is implemented.
+dnl    10 == POSIX.4a Final == POSIX.1c-1996 for our purposes.
+dnl    Existence of pthread.h should be tested separately.
+dnl
+dnl tests:
+dnl    pthread_detach() was dropped in Draft 8, it is present
+dnl            in every other version
+dnl    PTHREAD_CREATE_UNDETACHED is only in Draft 7, it was called
+dnl            PTHREAD_CREATE_JOINABLE after that
+dnl    pthread_attr_create was renamed to pthread_attr_init in Draft 6.
+dnl            Draft 6-10 has _init, Draft 4-5 has _create.
+dnl    pthread_attr_default was dropped in Draft 6, only 4 and 5 have it
+dnl    PTHREAD_MUTEX_INITIALIZER was introduced in Draft 5. It's not
+dnl            interesting to us because we don't try to statically
+dnl            initialize mutexes. 5-10 has it.
+dnl
+dnl Draft 9 and 10 are equivalent for our purposes.
 dnl
 AC_DEFUN([OL_POSIX_THREAD_VERSION],
 [AC_CACHE_CHECK([POSIX thread version],[ol_cv_pthread_version],[
-       AC_EGREP_CPP(pthread_version_final,[
+       AC_TRY_COMPILE([
 #              include <pthread.h>
-               /* this check could be improved */
-#              ifdef PTHREAD_ONCE_INIT
-                       pthread_version_final;
-#              endif
-       ], ol_pthread_final=yes, ol_pthread_final=no)
-
-       AC_EGREP_CPP(pthread_version_draft4,[
+       ],[
+               int i = PTHREAD_CREATE_JOINABLE;
+       ],[
+       AC_EGREP_HEADER(pthread_detach,pthread.h,
+       ol_cv_pthread_version=10, ol_cv_pthread_version=8)],[
+       AC_EGREP_CPP(draft7,[
 #              include <pthread.h>
-               /* this check could be improved */
-#              ifdef pthread_once_init
-                       pthread_version_draft4;
+#              ifdef PTHREAD_CREATE_UNDETACHED
+               draft7
 #              endif
-       ], ol_pthread_draft4=yes, ol_pthread_draft4=no)
-
-       if test $ol_pthread_final = yes -a $ol_pthread_draft4 = no; then
-               ol_cv_pthread_version=final
-       elif test $ol_pthread_final = no -a $ol_pthread_draft4 = yes; then
-               ol_cv_pthread_version=draft4
-       else
-               ol_cv_pthread_version=unknown
-       fi
+       ], ol_cv_pthread_version=7, [
+       AC_EGREP_HEADER(pthread_attr_init,pthread.h,
+       ol_cv_pthread_version=6, [
+       AC_EGREP_CPP(draft5,[
+#              include <pthread.h>
+#ifdef         PTHREAD_MUTEX_INITIALIZER
+               draft5
+#endif
+       ], ol_cv_pthread_version=5, ol_cv_pthread_version=4) ]) ]) ])
 ])
 ])dnl
 dnl
@@ -602,6 +679,9 @@ dnl --------------------------------------------------------------------
 AC_DEFUN([OL_PTHREAD_TEST_INCLUDES],
 [/* pthread test headers */
 #include <pthread.h>
+#if HAVE_PTHREADS < 7
+#include <errno.h>
+#endif
 #ifndef NULL
 #define NULL (void*)0
 #endif
@@ -614,42 +694,50 @@ static void *task(p)
 ])
 AC_DEFUN([OL_PTHREAD_TEST_FUNCTION],[
        /* pthread test function */
+#ifndef PTHREAD_CREATE_DETACHED
+#define        PTHREAD_CREATE_DETACHED 1
+#endif
        pthread_t t;
        int status;
-#if HAVE_PTHREADS_FINAL && defined(PTHREAD_CREATE_UNDETACHED)
-       /* This system (e.g. AIX) defaults detached; must override */
+       int detach = PTHREAD_CREATE_DETACHED;
+
+#if HAVE_PTHREADS > 4
+       /* Final pthreads */
        pthread_attr_t attr;
 
        status = pthread_attr_init(&attr);
-       if( status ) exit( status );
-
-       status = pthread_attr_setdetachstate(&attr,PTHREAD_CREATE_UNDETACHED);
-       if( status ) exit( status );
+       if( status ) return status;
 
-#define        ATTR    &attr
-#else
-#if HAVE_PTHREADS_D4
-#define        ATTR    pthread_attr_default
+#if HAVE_PTHREADS < 7
+       status = pthread_attr_setdetachstate(&attr, &detach);
+       if( status < 0 ) status = errno;
 #else
-#define        ATTR    NULL
+       status = pthread_attr_setdetachstate(&attr, detach);
 #endif
+       if( status ) return status;
+       status = pthread_create( &t, &attr, task, NULL );
+#if HAVE_PTHREADS < 7
+       if( status < 0 ) status = errno;
 #endif
-       /* make sure pthread_create() isn't just a stub */
-       status = pthread_create(&t, ATTR, task, NULL);
-       if( status ) exit( status );
+       if( status ) return status;
+#else
+       /* Draft 4 pthreads */
+       status = pthread_create( &t, pthread_attr_default, task, NULL );
+       if( status ) return errno;
+
+       /* give thread a chance to complete */
+       /* it should remain joinable and hence detachable */
+       sleep( 1 );
 
-       /* make sure pthread_detach() isn't just a stub */
-#if HAVE_PTHREADS_D4
        status = pthread_detach( &t );
-#else
-       status = pthread_detach( t );
+       if( status ) return errno;
 #endif
 
 #ifdef HAVE_LINUX_THREADS
        pthread_kill_other_threads_np();
 #endif
 
-       exit( status );
+       return 0;
 ])
 
 AC_DEFUN([OL_PTHREAD_TEST_PROGRAM],
@@ -711,14 +799,11 @@ AC_DEFUN([OL_HEADER_GNU_PTH_PTHREAD_H], [
 dnl ====================================================================
 dnl Check for NT Threads
 AC_DEFUN([OL_NT_THREADS], [
-       AC_CACHE_CHECK([for NT Threads], [ol_cv_nt_threads], [
-               AC_CHECK_FUNC(_beginthread,
-                       [ol_cv_nt_threads=yes],
-                       [ol_cv_nt_threads=no])
-       ])
+       AC_CHECK_FUNC(_beginthread)
 
-       if test $ol_cv_nt_threads = yes ; then
+       if test $ac_cv_func__beginthread = yes ; then
                AC_DEFINE(HAVE_NT_THREADS,1,[if you have NT Threads])
+               ol_cv_nt_threads=yes
        fi
 ])
 dnl ====================================================================
@@ -748,7 +833,7 @@ dnl defines ol_cv_sys_linux_threads to 'yes' or 'no'
 dnl    'no' implies pthreads implementation is not LinuxThreads.
 dnl 
 AC_DEFUN([OL_SYS_LINUX_THREADS], [
-       AC_CHECK_FUNC(pthread_kill_other_threads_np)
+       AC_CHECK_FUNCS(pthread_kill_other_threads_np)
        AC_CACHE_CHECK([for LinuxThreads implementation],
                [ol_cv_sys_linux_threads],
                [ol_cv_sys_linux_threads=$ac_cv_func_pthread_kill_other_threads_np])
@@ -1109,3 +1194,38 @@ AC_DEFUN(OL_FUNC_GETHOSTBYADDR_R_NARGS,
   fi
 ])dnl
 dnl
+dnl --------------------------------------------------------------------
+dnl Check for Cyrus SASL version compatility, need 2.1.3 or newer
+AC_DEFUN([OL_SASL_COMPAT],
+[AC_CACHE_CHECK([Cyrus SASL library version], [ol_cv_sasl_compat],[
+       AC_EGREP_CPP(__sasl_compat,[
+#ifdef HAVE_SASL_SASL_H
+#include <sasl/sasl.h>
+#else
+#include <sasl.h>
+#endif
+
+/* require 2.1.3 or later */
+#if SASL_VERSION_MAJOR == 1  && SASL_VERSION_MINOR >= 5
+       char *__sasl_compat = "1.5.x okay";
+#elif SASL_VERSION_MAJOR == 2  && SASL_VERSION_MINOR > 1
+       __sasl_compat "2.2+ or better okay (we guess)";
+#elif SASL_VERSION_MAJOR == 2  && SASL_VERSION_MINOR == 1 \
+       && SASL_VERSION_STEP >=3
+       __sasl_compat = "2.1.3+ or better okay";
+#endif
+       ],      [ol_cv_sasl_compat=yes], [ol_cv_sasl_compat=no])])
+])
+dnl ====================================================================
+dnl check for msg_accrights in msghdr
+AC_DEFUN(OL_MSGHDR_MSG_ACCRIGHTS,
+ [AC_CACHE_CHECK(for msg_accrights in msghdr, ol_cv_msghdr_msg_accrights,
+   [AC_TRY_COMPILE([#include <sys/socket.h>],
+               [struct msghdr m; m.msg_accrightslen=0],
+               ol_cv_msghdr_msg_accrights=yes, ol_cv_msghdr_msg_accrights=no)
+       ])
+  if test $ol_cv_msghdr_msg_accrights = "yes" ; then
+       AC_DEFINE(HAVE_MSGHDR_MSG_ACCRIGHTS,1,
+               [define if struct msghdr has msg_accrights])
+  fi
+])dnl