]> git.sur5r.net Git - openldap/blobdiff - configure.in
safe_string_free was freeing the string value, so we have to save it.
[openldap] / configure.in
index c3c426d99be610c8d41ae3e16418cc1cdc3b93c4..c99f7a0fab0bb822e558bda0c69820395abb61ce 100644 (file)
@@ -7,10 +7,24 @@ dnl license is available at http://www.OpenLDAP.org/license.html or
 dnl in file LICENSE in the top-level directory of the distribution.
 dnl
 
+dnl Disable config.cache!
+define([AC_CACHE_LOAD], )dnl
+define([AC_CACHE_SAVE], )dnl
+
 dnl Configure.in for OpenLDAP
-AC_INIT(include/ldap.h)dnl
+AC_INIT(build/version)dnl
 AC_CONFIG_AUX_DIR(build)dnl
-AM_INIT_AUTOMAKE(OpenLDAP,[2.0-devel], [no ac_define])dnl
+
+OL_VERSION=`cat $ac_aux_dir/version`
+if test -z "$OL_VERSION"; then
+       AC_MSG_ERROR([could not determine version])
+fi
+
+AM_INIT_AUTOMAKE(OpenLDAP,[$OL_VERSION], [no defines])dnl
+AC_SUBST(PACKAGE)
+AC_SUBST(VERSION)
+AC_DEFINE_UNQUOTED(OPENLDAP_PACKAGE,"$PACKAGE",Package)
+AC_DEFINE_UNQUOTED(OPENLDAP_VERSION,"$VERSION",Version)
 
 dnl We use autoconf features new to 2.13.
 dnl    aclocal.m4 should be built using aclocal from automake 1.4
@@ -26,6 +40,8 @@ AC_PREFIX_DEFAULT(/usr/local)
 top_builddir=`pwd`
 AC_SUBST(top_builddir)dnl
 
+AC_DEFINE(HAVE_MKVERSION, 1, [define this if you have mkversion])
+
 ldap_subdir="openldap"
 
 AC_ARG_WITH(subdir, [  --with-subdir=DIR change default subdirectory used for installs], [
@@ -39,8 +55,8 @@ AC_ARG_WITH(subdir, [  --with-subdir=DIR change default subdirectory used for in
 AC_SUBST(ldap_subdir)dnl
 
 OL_ARG_ENABLE(debug,[  --enable-debug  enable debugging], yes)dnl
-ol_enable_syslog=no
-dnl OL_ARG_ENABLE(syslog,[  --enable-syslog    enable syslog support], auto)dnl
+dnl ol_enable_syslog=no
+OL_ARG_ENABLE(syslog,[  --enable-syslog        enable syslog support], auto)dnl
 OL_ARG_ENABLE(proctitle,[  --enable-proctitle  enable proctitle support], yes)dnl
 OL_ARG_ENABLE(cache,[  --enable-cache  enable caching], yes)dnl
 OL_ARG_ENABLE(dns,[  --enable-dns              enable V2 DNS  extension], no)dnl
@@ -75,15 +91,17 @@ OL_ARG_ENABLE(slapd,[  --enable-slapd       enable building slapd], yes)dnl
 OL_ARG_ENABLE(aclgroups,[    --enable-aclgroups        enable ACL group support], auto)dnl
 OL_ARG_ENABLE(cleartext,[    --enable-cleartext        enable cleartext passwords], yes)dnl
 OL_ARG_ENABLE(crypt,[    --enable-crypt        enable crypt(3) passwords], auto)dnl
-OL_ARG_ENABLE(wrappers,[    --enable-wrappers  enable tcp wrapper support], no)dnl
+OL_ARG_ENABLE(modules,[    --enable-modules    enable dynamic module support], no)dnl
 OL_ARG_ENABLE(phonetic,[    --enable-phonetic  enable phonetic/soundex], no)dnl
 OL_ARG_ENABLE(rlookups,[    --enable-rlookups  enable reverse lookups], auto)dnl
+OL_ARG_ENABLE(wrappers,[    --enable-wrappers  enable tcp wrapper support], no)dnl
 
 dnl SLAPD Backend options
 OL_ARG_ENABLE(bdb2,[    --enable-bdb2  enable bdb2 backend], no)dnl
+OL_ARG_ENABLE(ldap,[    --enable-ldap  enable ldap backend], no)dnl
 OL_ARG_ENABLE(ldbm,[    --enable-ldbm  enable ldbm backend], yes)dnl
 OL_ARG_WITH(ldbm_api,[      --with-ldbm-api    use LDBM API], auto,
-       [auto db2 db gdbm ndbm manual])
+       [auto db2 db mdbm gdbm ndbm manual])
 OL_ARG_WITH(ldbm_type,[      --with-ldbm-type  use LDBM type], auto,
        [auto btree hash])
 
@@ -136,6 +154,9 @@ if test $ol_enable_slapd = no ; then
        if test $ol_enable_aclgroups = yes ; then
                AC_MSG_WARN([slapd disabled, ignoring --enable_aclgroups argument])
        fi
+       if test $ol_enable_modules = yes ; then
+               AC_MSG_WARN([slapd disabled, ignoring --enable_modules argument])
+       fi
        if test $ol_enable_wrappers = yes ; then
                AC_MSG_WARN([slapd disabled, ignoring --enable_wrappers argument])
        fi
@@ -162,12 +183,16 @@ if test $ol_enable_slapd = no ; then
        ol_enable_perl=no
        ol_enable_shell=no
        ol_enable_tcl=no
+
        ol_enable_aclgroups=no
-       ol_enable_wrappers=no
+       ol_enable_modules=no
        ol_enable_phonetic=no
        ol_enable_rlookups=no
+       ol_enable_wrappers=no
+
        ol_with_ldbm_api=no
        ol_with_ldbm_type=no
+
        ol_enable_slurpd=no
 
 elif test $ol_enable_ldbm = no ; then
@@ -185,7 +210,8 @@ elif test $ol_enable_ldbm = no ; then
                AC_MSG_ERROR([BDB2 requires --enable-ldbm])
        fi
 
-       if test $ol_enable_passwd = no -a \
+       if test $ol_enable_modules != yes -a \
+               $ol_enable_passwd = no -a \
                $ol_enable_perl = no -a \
                $ol_enable_shell = no -a \
                $ol_enable_tcl = no ; then
@@ -220,6 +246,10 @@ else
                $ol_with_ldbm_type = btree ; then
                AC_MSG_ERROR([GDBM only supports LDBM type hash])
        fi
+       if test $ol_with_ldbm_api = mdbm -a \
+               $ol_with_ldbm_type = btree ; then
+               AC_MSG_ERROR([MDBM only supports LDBM type hash])
+       fi
        if test $ol_with_ldbm_api = ndbm -a \
                $ol_with_ldbm_type = btree ; then
                AC_MSG_ERROR([NDBM only supports LDBM type hash])
@@ -235,8 +265,6 @@ fi
 
 AC_MSG_RESULT(done)
 
-AC_CANONICAL_HOST
-
 ## Initialize vars
 LDAP_LIBS=
 LDBM_LIBS=
@@ -252,6 +280,7 @@ BUILD_SLAPD=no
 BUILD_SLURPD=no
 
 BUILD_BDB2=no
+BUILD_LDAP=no
 BUILD_LDBM=no
 BUILD_PASSWD=no
 BUILD_PERL=no
@@ -259,6 +288,9 @@ BUILD_SHELL=no
 BUILD_TCL=no
 BUILD_THREAD=no
 
+SLAPD_MODULES_LDFLAGS=
+SLAPD_MODULES_CPPFLAGS=
+
 SLAPD_PERL_LDFLAGS=
 SLAPD_PERL_CPPFLAGS=
 
@@ -270,7 +302,7 @@ TLS_LIBS=
 dnl ----------------------------------------------------------------
 dnl Checks for programs
 
-AC_PROG_INSTALL
+dnl AC_PROG_INSTALL
 
 dnl The default compiler is cc (NOT gcc)
 CC=${CC-"cc"}
@@ -293,15 +325,41 @@ AC_PATH_PROG(SENDMAIL, sendmail, /usr/lib/sendmail,
 AC_PATH_PROG(EDITOR, vi, /usr/ucb/vi, $PATH:/usr/ucb)
 AC_PATH_PROG(FINGER, finger, /usr/ucb/finger, $PATH:/usr/ucb)
 
-if test $ol_enable_perl = yes ; then
+ol_link_modules=no
+if test $ol_enable_modules != no ; then
+       AC_PATH_PROG(GLIBCONFIG, glib-config)
+
+       if test "no$GLIBCONFIG" = "no" ; then
+               if test $ol_enable_modules = yes ; then
+                       AC_MSG_ERROR([could not locate glib-config])
+               fi
+
+       else
+               SLAPD_MODULES_VERSION="`$GLIBCONFIG --version gmodule`"
+               SLAPD_MODULES_CPPFLAGS="`$GLIBCONFIG --cflags gmodule`"
+               SLAPD_MODULES_LDFLAGS="`$GLIBCONFIG --libs gmodule`"
+
+               dnl should check glib version
+               ol_link_modules=yes
+       fi
+fi
+
+ol_link_perl=no
+if test $ol_enable_perl != no ; then
        AC_PATH_PROG(PERLBIN, perl, /usr/bin/perl)
 
        if test "no$PERLBIN" = "no" ; then
-               ol_enable_perl=no
-       fi
+               if test $ol_enable_perl = yes ; then
+                       AC_MSG_ERROR([could not locate perl])
+               fi
 
-       SLAPD_PERL_LDFLAGS="`$PERLBIN -MExtUtils::Embed -e ldopts|sed -e s/-lc//`"
-       SLAPD_PERL_CPPFLAGS="`$PERLBIN -MExtUtils::Embed -e perl_inc`"
+       else
+               SLAPD_PERL_LDFLAGS="`$PERLBIN -MExtUtils::Embed -e ldopts|sed -e s/-lc//`"
+               SLAPD_PERL_CPPFLAGS="`$PERLBIN -MExtUtils::Embed -e ccopts`"
+
+               dnl should check perl version
+               ol_link_perl=yes
+       fi
 fi
 
 AC_PROG_CPP
@@ -323,8 +381,8 @@ AC_AIX
 AC_ISC_POSIX
 AC_MINIX
 
-dnl BeOS requires -lbe -lroot
-AC_CHECK_LIB(be, be_app,[LIBS="$LIBS -lbe -lroot"])
+dnl BeOS requires -lbe -lroot -lnet
+AC_CHECK_LIB(be, be_app, [LIBS="$LIBS -lbe -lroot -lnet"], :, [-lroot -lnet])
 
 dnl Checks for system services
 AC_CYGWIN
@@ -332,6 +390,8 @@ AC_MINGW32
 AC_EXEEXT
 AC_OBJEXT
 
+AC_DEFINE_UNQUOTED( EXEEXT, "${EXEEXT}", [defined to be the EXE extension])
+
 dnl OpenLDAP requires STDC features
 AM_PROG_CC_STDC
 if test "X${am_cv_prog_cc_stdc}" = "Xno" ; then
@@ -347,12 +407,13 @@ dnl Likely combinations:
 dnl            -lsocket [ -lnsl_s | -lnsl ]
 dnl            -linet
 
-AC_CHECK_FUNC(socket, [have_socket=yes], [     
+AC_CHECK_FUNC(socket, :, [     
 dnl
 dnl hopefully we won't include too many libraries
 dnl
        AC_CHECK_LIB(socket, main)
        AC_CHECK_LIB(net, main)
+       AC_CHECK_LIB(net, socket)
        AC_CHECK_LIB(nsl_s, main)
        AC_CHECK_LIB(nsl, main)
        AC_CHECK_LIB(inet, socket)
@@ -376,6 +437,13 @@ fi
 dnl HP-UX requires -lV3
 AC_CHECK_LIB(V3, sigset)
 
+AC_CHECK_FUNC(select, :, AC_MSG_ERROR([select() required.]))
+
+dnl Select arg types
+dnl (if this detection becomes permenent, it and the select() detection
+dnl should be done before the yielding select test) 
+AC_FUNC_SELECT_ARGTYPES
+
 # ISODE tests
 ol_link_isode=no
 if test $ol_enable_ldapd != no ; then
@@ -578,12 +646,7 @@ if test $ol_with_threads = auto -o $ol_with_threads = yes \
                # consider threads found
                ol_with_threads=found
 
-               OL_LINUX_THREADS
-
-               if test $ol_cv_linux_threads = yes ; then
-                       AC_DEFINE(HAVE_LINUX_THREADS,1,
-                               [define if you have LinuxThreads])
-               fi
+               OL_HEADER_LINUX_THREADS
 
                dnl Now the hard part, how to link?
                dnl
@@ -602,279 +665,111 @@ if test $ol_with_threads = auto -o $ol_with_threads = yes \
                dnl Check pthread (final) libraries
                dnl     pthread_mutex_unlock() in -lpthread -lmach -lexc -lc_r (OSF/1)
                dnl     pthread_mutex_lock() in -lpthread -lmach -lexc (OSF/1)
-               dnl     pthread_mutex_trylock() in -lpthread -lexc (OSF/1)
+               dnl     (skipped) pthread_mutex_trylock() in -lpthread -lexc (OSF/1)
+               dnl     pthread_join() -Wl,-woff,85 -lpthread (IRIX)
                dnl     pthread_create() in -lpthread (many)
                dnl     pthread_create() in -lc_r (FreeBSD)
-               dnl     pthread_create() in -lpthreads (many)
-               dnl     pthread_join() -Wl,-woff,85 -lpthreads (IRIX)
                dnl
                dnl Check pthread (draft4) flags (depreciated)
                dnl     pthread_create() with -threads (OSF/1)
                dnl
-               dnl Check pthread (final) libraries (depreciated)
+               dnl Check pthread (draft4) libraries (depreciated)
                dnl     pthread_mutex_unlock() in -lpthreads -lmach -lexc -lc_r (OSF/1)
                dnl     pthread_mutex_lock() in -lpthreads -lmach -lexc (OSF/1)
                dnl     pthread_mutex_trylock() in -lpthreads -lexc (OSF/1)
+               dnl     pthread_create() in -lpthreads (many)
                dnl
 
                dnl pthread_create in $LIBS
-               AC_CHECK_FUNC(pthread_create,[ol_link_threads=yes])
+               AC_MSG_CHECKING([for pthread_create in default libraries])
+               AC_CACHE_VAL(ol_cv_pthread_create,[
+               AC_TRY_RUN([
+#include <pthread.h>
+#ifndef NULL
+#define NULL (void*)0
+#endif
 
-               if test $ol_link_threads = no ; then
-                       dnl try -mt
-                       AC_CACHE_CHECK([for pthread_create with -mt],
-                               [ol_cv_thread_flag], [
-                               dnl save the flags
-                               save_LIBS="$LIBS"
-                               LIBS="-mt $LIBS"
-                               AC_TRY_LINK([char pthread_create();],
-                                       [pthread_create();],
-                                       [ol_cv_thread_flag=yes], [ol_cv_thread_flag=no])
-                               dnl restore the LIBS
-                               LIBS="$save_LIBS"
-                       ])
+static void *task(p)
+       void *p;
+{
+       return (void *) (p == NULL);
+}
 
-                       if test $ol_cv_thread_flag = yes ; then
-                               LTHREAD_LIBS="$LTHREAD_LIBS -mt"
-                               ol_link_threads=posix
-                       fi
-               fi
+int main(argc, argv)
+       int argc;
+       char **argv;
+{
+       pthread_t t;
+       int status;
 
-               if test $ol_link_threads = no ; then
-                       dnl try -kthread
-                       AC_CACHE_CHECK([for pthread_create with -kthread],
-                               [ol_cv_kthread_flag], [
-                               dnl save the flags
-                               save_LIBS="$LIBS"
-                               LIBS="-kthread $LIBS"
-                               AC_TRY_LINK([#include <pthread.h>],[
+       /* make sure pthread_create() isn't just a stub */
 #if HAVE_PTHREADS_D4
-       pthread_create(NULL,pthread_attr_default,NULL,NULL);
+       status = pthread_create(&t, pthread_attr_default, task, NULL);
 #else
-       pthread_create(NULL,NULL,NULL,NULL);
+       status = pthread_create(&t, NULL, task, NULL);
 #endif
-],
-                                       [ol_cv_kthread_flag=yes], [ol_cv_kthread_flag=no])
-                               dnl restore the LIBS
-                               LIBS="$save_LIBS"
-                       ])
 
-                       if test $ol_cv_kthread_flag = yes ; then
-                               LTHREAD_LIBS="$LTHREAD_LIBS -kthread"
-                               ol_link_threads=posix
-                       fi
-               fi
+       if( status ) return status;
 
-               if test $ol_link_threads = no ; then
-                       dnl try -pthread
-                       AC_CACHE_CHECK([for pthread_create with -pthread],
-                               [ol_cv_pthread_flag], [
-                               dnl save the flags
-                               save_LIBS="$LIBS"
-                               LIBS="-pthread $LIBS"
-                               AC_TRY_LINK([#include <pthread.h>],[
+       /* make sure pthread_detach() isn't just a stub */
 #if HAVE_PTHREADS_D4
-       pthread_create(NULL,pthread_attr_default,NULL,NULL);
+       status = pthread_detach( &t );
 #else
-       pthread_create(NULL,NULL,NULL,NULL);
+       status = pthread_detach( t );
 #endif
-],
-                                       [ol_cv_pthread_flag=yes], [ol_cv_pthread_flag=no])
-                               dnl restore the LIBS
-                               LIBS="$save_LIBS"
-                       ])
 
-                       if test $ol_cv_pthread_flag = yes ; then
-                               LTHREAD_LIBS="$LTHREAD_LIBS -pthread"
-                               ol_link_threads=posix
-                       fi
-               fi
+       if( status ) return status;
 
-               if test $ol_link_threads = no ; then
-                       dnl try -pthreads
-                       AC_CACHE_CHECK([for pthread_create with -pthreads],
-                               [ol_cv_pthreads_flag], [
-                               dnl save the flags
-                               save_LIBS="$LIBS"
-                               LIBS="-pthreads $LIBS"
-                               AC_TRY_LINK([#include <pthread.h>],[
-#if HAVE_PTHREADS_D4
-       pthread_create(NULL,pthread_attr_default,NULL,NULL);
-#else
-       pthread_create(NULL,NULL,NULL,NULL);
-#endif
+       return status;
+}
 ],
-                                       [ol_cv_pthreads_flag=yes], [ol_cv_pthreads_flag=no])
-                               dnl restore the LIBS
-                               LIBS="$save_LIBS"
-                       ])
-
-                       if test $ol_cv_pthreads_flag = yes ; then
-                               LTHREAD_LIBS="$LTHREAD_LIBS -pthreads"
-                               ol_link_threads=posix
-                       fi
+                       [ol_cv_pthread_create=yes],
+                       [ol_cv_pthread_create=no],
+                       [dnl assume yes
+                       ol_cv_pthread_create=yes])])
+               AC_MSG_RESULT($ol_cv_pthread_create)
+
+               if test $ol_cv_pthread_create != no ; then
+                       ol_link_threads=posix
+                       ol_link_pthreads=""
                fi
+               
+               OL_PTHREAD_TRY_LINK([-mt],              [ol_cv_pthread_mt])
+               OL_PTHREAD_TRY_LINK([-kthread], [ol_cv_pthread_kthread])
+               OL_PTHREAD_TRY_LINK([-pthread], [ol_cv_pthread_pthread])
+               OL_PTHREAD_TRY_LINK([-pthreads],[ol_cv_pthread_pthreads])
+               OL_PTHREAD_TRY_LINK([-thread],  [ol_cv_pthread_thread])
 
-               if test $ol_link_threads = no ; then
-                       dnl try -thread
-                       AC_CACHE_CHECK([for pthread_create with -thread],
-                               [ol_cv_thread_flag], [
-                               dnl save the flags
-                               save_LIBS="$LIBS"
-                               LIBS="-thread $LIBS"
-                               AC_TRY_LINK([char pthread_create();],
-                                       [pthread_create();],
-                                       [ol_cv_thread_flag=yes], [ol_cv_thread_flag=no])
-                               dnl restore the LIBS
-                               LIBS="$save_LIBS"
-                       ])
+               OL_PTHREAD_TRY_LINK([-lpthread -lmach -lexc -lc_r],
+                       [ol_cv_pthread_lpthread_lmach_lexc_lc_r])
+               OL_PTHREAD_TRY_LINK([-lpthread -lmach -lexc],
+                       [ol_cv_pthread_lpthread_lmach_lexc])
+dnl            OL_PTHREAD_TRY_LINK([-lpthread -lexc],
+dnl                    [ol_cv_pthread_lpthread_lexc])
 
-                       if test $ol_cv_thread_flag = yes ; then
-                               LTHREAD_LIBS="$LTHREAD_LIBS -thread"
-                               ol_link_threads=posix
-                       fi
-               fi
-
-               if test $ol_link_threads = no ; then
-                       dnl try DEC Threads -lpthread -lmach -lexc -lc_r
-                       save_LIBS="$LIBS"
-                       AC_CHECK_LIB(pthread, pthread_mutex_unlock, [
-                               ol_link_threads=posix
-                               LTHREAD_LIBS="$LTHREAD_LIBS -lpthread -lmach -lexc -lc_r"
-                               if test $ol_with_yielding_select = auto ; then
-                                       ol_with_yielding_select=yes
-                               fi
-                               ],:,[-lmach -lexc -lc_r])
-                       LIBS="$save_LIBS"
-               fi
-
-               if test $ol_link_threads = no ; then
-                       dnl try DEC Threads -lpthread -lmach -lexc
-                       save_LIBS="$LIBS"
-                       AC_CHECK_LIB(pthread, pthread_mutex_lock, [
-                               ol_link_threads=posix
-                               LTHREAD_LIBS="$LTHREAD_LIBS -lpthread -lmach -lexc"
-                               if test $ol_with_yielding_select = auto ; then
-                                       ol_with_yielding_select=yes
-                               fi
-                               ],:,[-lmach -lexc])
-                       LIBS="$save_LIBS"
-               fi
-
-               if test $ol_link_threads = no ; then
-                       dnl try DEC Threads -lpthread -lexc
-                       save_LIBS="$LIBS"
-                       AC_CHECK_LIB(pthread, pthread_mutex_trylock, [
-                               ol_link_threads=posix
-                               LTHREAD_LIBS="$LTHREAD_LIBS -lpthread -lexc"
-                               if test $ol_with_yielding_select = auto ; then
-                                       ol_with_yielding_select=yes
-                               fi
-                               ],:,[-lexc])
-                       LIBS="$save_LIBS"
-               fi
-
-               if test $ol_link_threads = no ; then
-                       dnl try -lpthread
-                       save_LIBS="$LIBS"
-                       AC_CHECK_LIB(pthread, pthread_create, [
-                               ol_link_threads=posix
-                               LTHREAD_LIBS="$LTHREAD_LIBS -lpthread"],:)
-                       LIBS="$save_LIBS"
-               fi
-
-               if test $ol_link_threads = no ; then
-                       dnl try -lc_r
-                       save_LIBS="$LIBS"
-                       AC_CHECK_LIB(c_r, pthread_create, [
-                               ol_link_threads=posix
-                               LTHREAD_LIBS="$LTHREAD_LIBS -lc_r"],:)
-                       LIBS="$save_LIBS"
-               fi
-
-               if test $ol_link_threads = no ; then
-                       dnl try -lpthreads
-                       save_LIBS="$LIBS"
-                       AC_CHECK_LIB(pthreads, pthread_create, [
-                               ol_link_threads=posix
-                               LTHREAD_LIBS="$LTHREAD_LIBS -lpthreads"],:)
-                       LIBS="$save_LIBS"
-               fi
-
-               dnl IRIX Pthread check
-               if test $ol_link_threads = no ; then
-                       dnl try IRIX Pthreads -Wl,-woff,85 -lpthreads
-                       save_LIBS="$LIBS"
-                       AC_CHECK_LIB(pthreads, pthread_join, [
-                               ol_link_threads=posix
-                               LTHREAD_LIBS="$LTHREAD_LIBS -lpthreads"
-                               ],:,[-Wl,-woff,85])
-                       LIBS="$save_LIBS"
-               fi
-
-               if test $ol_link_threads = no ; then
-                       dnl try -threads
-                       AC_CACHE_CHECK([for pthread_create with -threads],
-                               [ol_cv_thread_flag], [
-                               dnl save the flags
-                               save_LIBS="$LIBS"
-                               LIBS="-threads $LIBS"
-                               AC_TRY_LINK([char pthread_create();],[
-                                       pthread_create();
-                                       ], ol_cv_thread_flag=yes, ol_cv_thread_flag=no)
-                               dnl restore the LIBS
-                               LIBS="$save_LIBS"
-                       ])
+               OL_PTHREAD_TRY_LINK([-lpthread -Wl,-woff,85],
+                       [ol_cv_pthread_lib_lpthread_woff])
 
-                       if test $ol_cv_thread_flag = yes ; then
-                               LTHREAD_LIBS="$LTHREAD_LIBS -threads"
-                               ol_link_threads=posix
-                       fi
-               fi
+               OL_PTHREAD_TRY_LINK([-lpthread],[ol_cv_pthread_lpthread])
+               OL_PTHREAD_TRY_LINK([-lc_r],    [ol_cv_pthread_lc_r])
 
-               if test $ol_link_threads = no ; then
-                       dnl try DEC Threads -lpthreads -lmach -lexc -lc_r
-                       save_LIBS="$LIBS"
-                       AC_CHECK_LIB(pthreads, pthread_mutex_unlock, [
-                               ol_link_threads=posix
-                               LTHREAD_LIBS="$LTHREAD_LIBS -lpthreads -lmach -lexc -lc_r"
-                               if test $ol_with_yielding_select = auto ; then
-                                       ol_with_yielding_select=yes
-                               fi
-                               ],:,[-lmach -lexc -lc_r])
-                       LIBS="$save_LIBS"
-               fi
+               OL_PTHREAD_TRY_LINK([-threads], [ol_cv_pthread_threads])
 
-               if test $ol_link_threads = no ; then
-                       dnl try DEC Threads -lpthreads -lmach -lexc
-                       save_LIBS="$LIBS"
-                       AC_CHECK_LIB(pthreads, pthread_mutex_lock, [
-                               ol_link_threads=posix
-                               LTHREAD_LIBS="$LTHREAD_LIBS -lpthreads -lmach -lexc"
-                               if test $ol_with_yielding_select = auto ; then
-                                       ol_with_yielding_select=yes
-                               fi
-                               ],:,[-lmach -lexc])
-                       LIBS="$save_LIBS"
-               fi
+               OL_PTHREAD_TRY_LINK([-lpthreads -lmach -lexc -lc_r],
+                       [ol_cv_pthread_lpthreads_lmach_lexc_lc_r])
+               OL_PTHREAD_TRY_LINK([-lpthreads -lmach -lexc],
+                       [ol_cv_pthread_lpthreads_lmach_lexc])
+               OL_PTHREAD_TRY_LINK([-lpthreads -lexc],
+                       [ol_cv_pthread_lpthreads_lexc])
 
-               if test $ol_link_threads = no ; then
-                       dnl try DEC Threads -lpthreads -lexc
-                       save_LIBS="$LIBS"
-                       AC_CHECK_LIB(pthreads, pthread_mutex_trylock, [
-                               ol_link_threads=posix
-                               LTHREAD_LIBS="$LTHREAD_LIBS -lpthreads -lexc"
-                               if test $ol_with_yielding_select = auto ; then
-                                       ol_with_yielding_select=yes
-                               fi
-                               ],:,[-lexc])
-                       LIBS="$save_LIBS"
-               fi
+               OL_PTHREAD_TRY_LINK([-lpthreads],       [ol_cv_pthread_lib_lpthreads])
 
                if test $ol_link_threads != no ; then
                        AC_DEFINE(HAVE_PTHREADS,1,
                                [define if you have POSIX Threads])
 
+                       LTHREAD_LIBS="$LTHREAD_LIBS $ol_link_pthreads"
+
                        dnl save flags
                        save_CPPFLAGS="$CPPFLAGS"
                        save_LIBS="$LIBS"
@@ -896,7 +791,7 @@ if test $ol_with_threads = auto -o $ol_with_threads = yes \
                        fi
                        if test $ac_cv_func_sched_yield = no -a \
                                $ac_cv_func_pthread_yield = no ; then
-                               dnl Solaris has sched_yield() in -lposix4
+                               dnl Solaris has sched_yield() stub in -lposix4
                                dnl but we'll use thr_yield instead.
                                AC_CHECK_FUNCS(thr_yield)
                        fi
@@ -914,7 +809,12 @@ if test $ol_with_threads = auto -o $ol_with_threads = yes \
                        AC_CACHE_CHECK([for pthread_detach with <pthread.h>],
                                [ol_cv_func_pthread_detach], [
                                dnl save the flags
-                               AC_TRY_LINK([#include <pthread.h>],
+                               AC_TRY_LINK([
+#include <pthread.h>
+#ifndef NULL
+#define NULL (void*)0
+#endif
+],
                                        [pthread_detach(NULL);],
                                        [ol_cv_func_pthread_detach=yes],
                                        [ol_cv_func_pthread_detach=no])
@@ -935,6 +835,13 @@ if test $ol_with_threads = auto -o $ol_with_threads = yes \
                                thr_getconcurrency \
                        )
 
+                       OL_SYS_LINUX_THREADS
+                       OL_LINUX_THREADS
+
+                       if test $ol_cv_linux_threads = error; then
+                               AC_MSG_ERROR([LinuxThreads header/library mismatch]);
+                       fi
+
                        AC_MSG_CHECKING([if pthread_create() works])
                        AC_CACHE_VAL(ol_cv_pthread_create_works,[
                        AC_TRY_RUN([
@@ -1174,7 +1081,7 @@ if test $ol_with_threads = manual ; then
 
        AC_CHECK_HEADERS(pthread.h sched.h)
        AC_CHECK_FUNCS(sched_yield pthread_yield)
-       OL_LINUX_THREADS
+       OL_HEADER_LINUX_THREADS
 
        AC_CHECK_HEADERS(mach/cthreads.h)
        AC_CHECK_HEADERS(lwp/lwp.h)
@@ -1191,13 +1098,11 @@ if test $ol_link_threads != no ; then
        AC_DEFINE(THREADSAFE,1)
        AC_DEFINE(_THREADSAFE,1)
 
-       dnl this might cause the errno symbol to be
-       dnl replaced with a function to get a thread specific errno.
-       dnl check to see if everything needs to be compiled
-       dnl with the thread libraries
+       dnl The errno declaration may dependent upon _REENTRANT.
+       dnl If it does, we must link with thread support.
        AC_CACHE_CHECK([for thread specific errno],
                [ol_cv_errno_thread_specific], [
-               AC_TRY_LINK([#include <errno.h>], [int x = errno;],
+               AC_TRY_LINK([#include <errno.h>], [errno = 0;],
                        [ol_cv_errno_thread_specific=yes],
                        [ol_cv_errno_thread_specific=no])
        ])
@@ -1236,7 +1141,7 @@ dnl               #ifdef LDAP_R_COMPILE
 dnl            #       include LDAP_R_COMPILE
 dnl            #endif
 dnl
-dnl LDAP_R_COMIPLE is defined by libldap_r/Makefile.in
+dnl LDAP_R_COMPILE is defined by libldap_r/Makefile.in
 dnl specifically for compiling the threadsafe version of
 dnl    the ldap library (-lldap_r).
 dnl            
@@ -1342,6 +1247,18 @@ if test $ol_link_ldbm = no -a $ol_with_ldbm_type = btree ; then
        ol_with_ldbm_api=none
 fi
 
+if test $ol_with_ldbm_api = auto -o $ol_with_ldbm_api = mdbm ; then
+       OL_MDBM
+
+       if test $ol_cv_mdbm = yes ; then
+               ol_link_ldbm=mdbm
+               ol_with_ldbm_api=mdbm
+               if test $ol_cv_lib_mdbm != yes ; then
+                       LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_mdbm"
+               fi
+       fi
+fi
+
 if test $ol_with_ldbm_api = auto -o $ol_with_ldbm_api = gdbm ; then
        OL_GDBM
 
@@ -1393,6 +1310,10 @@ if test $ol_enable_wrappers != no ; then
        if test $have_wrappers = yes ; then
                AC_DEFINE(HAVE_TCPD,1, [define if you have -lwrap])
                SLAPD_LIBS="$SLAPD_LIBS -lwrap"
+
+               dnl We add another check for -lnsl since some libwrap's
+               dnl need it, but it isn't always included from above
+               AC_CHECK_LIB(nsl, main)
        else
                AC_MSG_WARN(could not find -lwrap)
                if test $ol_enable_wrappers = yes ; then
@@ -1540,10 +1461,10 @@ fi
 
 dnl ----------------------------------------------------------------
 dnl Checks for header files.
-AC_HEADER_STDC
+OL_HEADER_STDC
 
-if test $ac_cv_header_stdc != yes; then
-       AC_MSG_WARN([could not Standard C compliant headers])
+if test $ol_cv_header_stdc != yes; then
+       AC_MSG_WARN([could not locate Standard C compliant headers])
 fi
 
 AC_HEADER_DIRENT
@@ -1554,14 +1475,16 @@ if test $am_cv_sys_posix_termios = yes ; then
                [define if you have POSIX termios])
 fi
 
-AC_CHECK_HEADERS(              \
+AC_CHECK_HEADERS(      \
        arpa/inet.h             \
-       arpa/nameser.h          \
+       arpa/nameser.h  \
+       assert.h                \
        crypt.h                 \
        errno.h                 \
        fcntl.h                 \
        filio.h                 \
        getopt.h                \
+       grp.h                   \
        libutil.h               \
        limits.h                \
        locale.h                \
@@ -1582,9 +1505,10 @@ AC_CHECK_HEADERS(                \
        sys/errno.h             \
        sys/ioctl.h             \
        sys/param.h             \
-       sys/resource.h          \
-       sys/socket.h            \
-       sys/syslog.h            \
+       sys/resource.h  \
+       sys/select.h    \
+       sys/socket.h    \
+       sys/syslog.h    \
        sys/time.h              \
        sys/types.h             \
        syslog.h                \
@@ -1605,6 +1529,7 @@ AC_TYPE_SIZE_T
 AC_STRUCT_ST_BLKSIZE
 AC_HEADER_TIME
 AC_STRUCT_TM
+OL_STRUCT_PASSWD_PW_GECOS
 
 OL_C_UPPER_LOWER
 AC_C_CONST
@@ -1625,6 +1550,9 @@ AC_FUNC_MEMCMP
 dnl AM_FUNC_MKTIME dnl checks for sys/time.h and unistd.h
 AC_FUNC_STRFTIME
 dnl AM_FUNC_STRTOD
+
+dnl we should use vfork instead of fork in a number of places...
+dnl AC_FUNC_VFORK
 AC_FUNC_VPRINTF
 
 if test $ac_cv_func_vprintf = yes ; then
@@ -1634,23 +1562,31 @@ fi
 
 AC_CHECK_FUNCS(                \
        bcopy                   \
+       endgrent                \
+       endpwent                \
        flock                   \
-       getdtablesize           \
+       getdtablesize   \
+       getgrgid                \
        gethostname             \
        getpass                 \
        getpwuid                \
-       gettimeofday            \
+       gettimeofday    \
+       initgroups              \
        lockf                   \
        memcpy                  \
        memmove                 \
        mkstemp                 \
-       select                  \
+       recv                    \
+       recvfrom                \
        setpwfile               \
+       setgid                  \
+       setegid                 \
        setsid                  \
+       setuid                  \
+       seteuid                 \
        signal                  \
        sigset                  \
        snprintf                \
-       socket                  \
        strdup                  \
        strerror                \
        strpbrk                 \
@@ -1662,6 +1598,7 @@ AC_CHECK_FUNCS(           \
        strspn                  \
        sysconf                 \
        waitpid                 \
+       wait4                   \
 )
 
 dnl We actually may need to replace more than this.
@@ -1715,12 +1652,23 @@ if test "$ol_enable_rlookups" != no ; then
        AC_DEFINE(SLAPD_RLOOKUPS,1)
 fi
 
+if test "$ol_link_modules" != no ; then
+       AC_DEFINE(SLAPD_MODULES,1)
+       BUILD_SLAPD=yes
+fi
+
 if test "$ol_link_bdb2" != no ; then
        AC_DEFINE(SLAPD_BDB2,1)
        BUILD_SLAPD=yes
        BUILD_BDB2=yes
 fi
 
+if test "$ol_link_ldap" != no ; then
+       AC_DEFINE(SLAPD_LDAP,1)
+       BUILD_SLAPD=yes
+       BUILD_LDAP=yes
+fi
+
 if test "$ol_link_ldbm" != no ; then
        AC_DEFINE(SLAPD_LDBM,1)
        BUILD_SLAPD=yes
@@ -1733,7 +1681,7 @@ if test "$ol_enable_passwd" != no ; then
        BUILD_PASSWD=yes
 fi
 
-if test "$ol_enable_perl" != no ; then
+if test "$ol_link_perl" != no ; then
        AC_DEFINE(SLAPD_PERL,1)
        BUILD_SLAPD=yes
        BUILD_PERL=yes
@@ -1765,6 +1713,7 @@ dnl ----------------------------------------------------------------
 AC_SUBST(BUILD_LDAPD)
 AC_SUBST(BUILD_SLAPD)
   AC_SUBST(BUILD_BDB2)
+  AC_SUBST(BUILD_LDAP)
   AC_SUBST(BUILD_LDBM)
   AC_SUBST(BUILD_PASSWD)
   AC_SUBST(BUILD_PERL)
@@ -1780,6 +1729,9 @@ AC_SUBST(LDBM_LIBS)
 AC_SUBST(LTHREAD_LIBS)
 AC_SUBST(LUTIL_LIBS)
 
+AC_SUBST(SLAPD_MODULES_CPPFLAGS)
+AC_SUBST(SLAPD_MODULES_LDFLAGS)
+
 AC_SUBST(SLAPD_PERL_CPPFLAGS)
 AC_SUBST(SLAPD_PERL_LDFLAGS)
 
@@ -1821,6 +1773,7 @@ servers/Makefile:build/top.mk:servers/Makefile.in:build/dir.mk \
 servers/ldapd/Makefile:build/top.mk:servers/ldapd/Makefile.in:build/srv.mk \
 servers/slapd/Makefile:build/top.mk:servers/slapd/Makefile.in:build/srv.mk \
 servers/slapd/back-bdb2/Makefile:build/top.mk:servers/slapd/back-bdb2/Makefile.in:build/srv.mk \
+servers/slapd/back-ldap/Makefile:build/top.mk:servers/slapd/back-ldap/Makefile.in:build/srv.mk \
 servers/slapd/back-ldbm/Makefile:build/top.mk:servers/slapd/back-ldbm/Makefile.in:build/srv.mk \
 servers/slapd/back-passwd/Makefile:build/top.mk:servers/slapd/back-passwd/Makefile.in:build/srv.mk \
 servers/slapd/back-perl/Makefile:build/top.mk:servers/slapd/back-perl/Makefile.in:build/srv.mk \
@@ -1833,6 +1786,7 @@ tests/Makefile:build/top.mk:tests/Makefile.in:build/dir.mk \
 tests/progs/Makefile:build/top.mk:tests/progs/Makefile.in:build/rules.mk \
 contrib/Makefile:build/top.mk:contrib/Makefile.in:build/dir.mk \
 contrib/saucer/Makefile:build/top.mk:contrib/saucer/Makefile.in:build/rules.mk \
+contrib/web_ldap/Makefile:build/top.mk:contrib/web_ldap/Makefile.in:build/rules.mk \
 ,[
 date > stamp-h
 echo Please \"make depend\" to build dependencies