configure.in

dnl $OpenLDAP$
dnl
dnl Copyright 1998,1999 The OpenLDAP Foundation.  All Rights Reserved.
dnl 
dnl Redistribution and use in source and binary forms are permitted only
dnl as authorized by the OpenLDAP Public License.  A copy of this
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 ----------------------------------------------------------------
dnl Redefine AC_INIT_BINSH to provide RCS IDs and copyright notice
dnl at top of generated configure script.  Prints simple copyright.
define([AC_INIT_BINSH],
[[#! /bin/sh
# $]OpenLDAP[$
# from] translit([$OpenLDAP$], $")] [

# Copyright 1998,1999 The OpenLDAP Foundation.  All Rights Reserved.
# 
# Redistribution and use in source and binary forms are permitted only
# as authorized by the OpenLDAP Public License.  A copy of this
# license is available at http://www.OpenLDAP.org/license.html or
# in file LICENSE in the top-level directory of the distribution.

echo "Copyright 1998-1999 The OpenLDAP Foundation,  All Rights Reserved."
echo "Copying restrictions apply, see COPYRIGHT file."
])dnl
dnl ----------------------------------------------------------------
dnl Disable config.cache!
define([AC_CACHE_LOAD], )dnl
define([AC_CACHE_SAVE], )dnl
dnl ================================================================
dnl Configure.in for OpenLDAP
AC_INIT(build/version)dnl
AC_CONFIG_AUX_DIR(build)dnl

OL_VERSION=`cat $ac_aux_dir/version`
if test -z "$OL_VERSION"; then
	AC_MSG_ERROR([could not determine version])
fi

echo "Configuring OpenLDAP $OL_VERSION ..."

dnl Determine host platform
dnl		we try not to use this for much
AC_CANONICAL_SYSTEM

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
dnl libtool 1.3.3 should be installed.
AC_PREREQ(2.13)dnl Required Autoconf version

AC_CONFIG_HEADER(include/portable.h include/ldap_features.h include/lber_types.h)dnl

dnl ================================================================
dnl Start Args
AC_MSG_CHECKING(configure arguments)
AC_PREFIX_DEFAULT(/usr/local)

top_builddir=`pwd`
AC_SUBST(top_builddir)dnl

dnl ----------------------------------------------------------------
dnl --with-subdir
ldap_subdir="/openldap"

AC_ARG_WITH(subdir,
[  --with-subdir=DIR change default subdirectory used for installs],
[case "$withval" in
	no) ldap_subdir=""
		;;
	yes)
		;;
	/*|\\*)
		ldap_subdir="$withval"
		;;
	*)
		ldap_subdir="/$withval"
		;;
esac
])dnl

AC_SUBST(ldap_subdir)dnl

dnl ----------------------------------------------------------------
dnl General "enable" options
OL_ARG_ENABLE(debug,[  --enable-debug 	enable debugging], yes)dnl
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 DX Referrals extension], no)dnl
OL_ARG_ENABLE(referrals,[  --enable-referrals	enable V2 Referrals extension], yes)dnl
OL_ARG_ENABLE(cldap,[  --enable-cldap	enable connectionless ldap], no)dnl
OL_ARG_ENABLE(x_compile,[  --enable-x-compile	enable cross compiling],
	no, [yes no])dnl

dnl ----------------------------------------------------------------
dnl General "with" options
OL_ARG_ENABLE(dmalloc,[  --enable-dmalloc	enable debug malloc support], no)dnl

OL_ARG_WITH(cyrus_sasl,[  --with-cyrus-sasl	with Cyrus SASL support],
	auto, [auto yes no] )
OL_ARG_WITH(fetch,[  --with-fetch		with fetch URL support],
	auto, [auto yes no] )
OL_ARG_WITH(kerberos,[  --with-kerberos	with Kerberos support],
	auto, [auto k5 kth k4 afs yes no])
OL_ARG_WITH(readline,[  --with-readline	with readline support],
	auto, [auto yes no] )
OL_ARG_WITH(threads,[  --with-threads	use threads],
	auto, [auto posix mach pth lwp yes no manual] )
OL_ARG_WITH(tls,[  --with-tls		with TLS/SSL support],
	auto, [auto ssleay openssl yes no] )
OL_ARG_WITH(yielding_select,[  --with-yielding-select	with implicitly yielding select],
	auto, [auto yes no manual] )

dnl ----------------------------------------------------------------
dnl Server options
dnl ----------------------------------------------------------------
dnl LDAPD OPTIONS
AC_ARG_WITH(xxldapdoptions,[LDAPD (X.500-to-LDAP Gateway) Options:])
OL_ARG_ENABLE(ldapd,[  --enable-ldapd	enable building ldapd], no)dnl

dnl ----------------------------------------------------------------
dnl SLAPD OPTIONS
AC_ARG_WITH(xxslapdoptions,[SLAPD (Standalone LDAP Daemon) Options:])
OL_ARG_ENABLE(slapd,[  --enable-slapd	enable building slapd], yes)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(modules,[    --enable-modules	enable dynamic module support], no)dnl
OL_ARG_ENABLE(multimaster,[    --enable-multimaster	enable multimaster replication], no)dnl
OL_ARG_ENABLE(phonetic,[    --enable-phonetic	enable phonetic/soundex], no)dnl
OL_ARG_ENABLE(quipu,[    --enable-quipu	build quipu migration tools], no)dnl
OL_ARG_ENABLE(rlookups,[    --enable-rlookups	enable reverse lookups], auto)dnl
OL_ARG_ENABLE(aci,[    --enable-aci	enable per-object ACIs], no)dnl
OL_ARG_ENABLE(discreteaci,[    --enable-discreteaci	enable discrete rights in ACIs], no)dnl
OL_ARG_ENABLE(wrappers,[    --enable-wrappers	enable tcp wrapper support], no)dnl
OL_ARG_ENABLE(dynamic,[    --enable-dynamic	enable linking built binaries with dynamic libs], no)dnl

dnl SLAPD Backend options
OL_ARG_ENABLE(bdb2,[    --enable-bdb2	enable bdb2 backend], no)dnl
OL_ARG_WITH(bdb2_module,[      --with-bdb2-module	module type], static,
	[static dynamic])
OL_ARG_ENABLE(ldap,[    --enable-ldap	enable ldap backend], no)dnl
OL_ARG_WITH(ldap_module,[      --with-ldap-module	module type], static,
	[static dynamic])
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 mdbm gdbm ndbm manual])
OL_ARG_WITH(ldbm_module,[      --with-ldbm-module	module type], static,
	[static dynamic])
OL_ARG_WITH(ldbm_type,[      --with-ldbm-type	use LDBM type], auto,
	[auto btree hash])

OL_ARG_ENABLE(passwd,[    --enable-passwd	enable passwd backend], no)dnl
OL_ARG_WITH(passwd_module,[      --with-passwd-module	module type], static,
	[static dynamic])
OL_ARG_ENABLE(perl,[    --enable-perl	enable perl backend], no)dnl
OL_ARG_WITH(perl_module,[      --with-perl-module	module type], static,
	[static dynamic])
OL_ARG_ENABLE(shell,[    --enable-shell	enable shell backend], no)dnl
OL_ARG_WITH(shell_module,[      --with-shell-module	module type], static,
	[static dynamic])
OL_ARG_ENABLE(tcl,[    --enable-tcl	enable tcl backend], no)dnl
OL_ARG_WITH(tcl_module,[      --with-tcl-module	module type], static,
	[static dynamic])

dnl ----------------------------------------------------------------
dnl SLURPD OPTIONS
AC_ARG_WITH(xxslurpdoptions,[SLURPD (Replication Daemon) Options:])
OL_ARG_ENABLE(slurpd,[  --enable-slurpd	enable building slurpd], auto)dnl

dnl ----------------------------------------------------------------
AC_ARG_WITH(xxliboptions,[Library Generation & Linking Options])
AC_ENABLE_STATIC
dnl AC_DISABLE_SHARED
AC_ENABLE_SHARED

dnl ----------------------------------------------------------------

dnl General "enable" options
# validate options
if test $ol_enable_dns = yes ; then
	if test $ol_enable_referrals = no ; then
		AC_MSG_ERROR([DNS requires --enable-referrals])
	fi
	if test $ol_enable_referrals = auto ; then
		AC_MSG_WARN([DNS requires referrals, adding --enable-referrals])
		ol_enable_referrals=yes
	fi
fi

if test $ol_enable_slapd = no ; then
	dnl SLAPD was specificallly disabled
	if test $ol_enable_bdb2 = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-bdb2 argument])
	fi
	if test $ol_enable_ldap = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-ldap argument])
	fi
	if test $ol_enable_ldbm = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-ldbm argument])
	fi
	if test $ol_enable_passwd = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-passwd argument])
	fi
	if test $ol_enable_perl = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-perl argument])
	fi
	if test $ol_enable_shell = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-shell argument])
	fi
	if test $ol_enable_tcl = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-tcl argument])
	fi
	if test $ol_enable_modules = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-modules argument])
	fi
	if test $ol_enable_multimaster = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-multimaster argument])
	fi
	if test $ol_enable_wrappers = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-wrappers argument])
	fi
	if test $ol_enable_phonetic = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-phonetic argument])
	fi
	if test $ol_enable_quipu = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-quipu argument])
	fi
	if test $ol_enable_rlookups = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-rlookups argument])
	fi
	if test $ol_enable_aci = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-aci argument])
	fi
	if test $ol_enable_discreteaci = yes ; then
		AC_MSG_WARN([slapd disabled, ignoring --enable-discreteaci argument])
	fi
	if test $ol_with_ldbm_api != auto ; then
		AC_MSG_WARN([slapd disabled, ignoring --with-ldbm-api argument])
	fi
	if test $ol_with_ldbm_type != auto ; then
		AC_MSG_WARN([slapd disabled, ignoring --with-ldbm-type argument])
	fi
	if test $ol_with_bdb2_module != static ; then
		AC_MSG_WARN([slapd disabled, ignoring --with-bdb2-module argument])
	fi
	if test $ol_with_ldap_module != static ; then
		AC_MSG_WARN([slapd disabled, ignoring --with-ldap-module argument])
	fi
	if test $ol_with_ldbm_module != static ; then
		AC_MSG_WARN([slapd disabled, ignoring --with-ldbm-module argument])
	fi
	if test $ol_with_passwd_module != static ; then
		AC_MSG_WARN([slapd disabled, ignoring --with-passwd-module argument])
	fi
	if test $ol_with_perl_module != static ; then
		AC_MSG_WARN([slapd disabled, ignoring --with-perl-module argument])
	fi
	if test $ol_with_shell_module != static ; then
		AC_MSG_WARN([slapd disabled, ignoring --with-shell-module argument])
	fi
	if test $ol_with_tcl_module != static ; then
		AC_MSG_WARN([slapd disabled, ignoring --with-tcl-module argument])
	fi
	if test $ol_enable_slurpd = yes ; then
		AC_MSG_ERROR([slurpd requires slapd])
	fi

	# force settings to no
	ol_enable_bdb2=no
	ol_enable_ldap=no
	ol_enable_ldbm=no
	ol_enable_passwd=no
	ol_enable_perl=no
	ol_enable_shell=no
	ol_enable_tcl=no

	ol_enable_modules=no
	ol_enable_multimaster=no
	ol_enable_phonetic=no
	ol_enable_quipu=no
	ol_enable_rlookups=no
	ol_enable_aci=no
	ol_enable_discreteaci=no
	ol_enable_wrappers=no
	ol_enable_dynamic=no

	ol_with_ldbm_api=no
	ol_with_ldbm_type=no

	ol_with_bdb2_module=static
	ol_with_ldap_module=static
	ol_with_ldbm_module=static
	ol_with_passwd_module=static
	ol_with_perl_module=static
	ol_with_shell_module=static
	ol_with_tcl_module=static

	ol_enable_slurpd=no

elif test $ol_enable_ldbm = no ; then
	dnl SLAPD without LDBM

	if test $ol_with_ldbm_api != auto ; then
		AC_MSG_WARN([LDBM disabled, ignoring --with-ldbm-api argument])
	fi

	if test $ol_with_ldbm_type != auto ; then
		AC_MSG_WARN([LDBM disabled, ignoring --with-ldbm-type argument])
	fi

	if test $ol_with_ldbm_module != static ; then
		AC_MSG_WARN([LDBM disabled, ignoring --with-ldbm-module argument])
	fi

	if test $ol_enable_bdb2 = yes ; then
		AC_MSG_ERROR([BDB2 requires --enable-ldbm])
	fi

	if test $ol_enable_modules != yes -a \
		$ol_enable_ldap = no -a \
		$ol_enable_passwd = no -a \
		$ol_enable_perl = no -a \
		$ol_enable_shell = no -a \
		$ol_enable_tcl = no ; then
		AC_MSG_ERROR([slapd requires a backend])
	fi

	ol_with_ldbm_api=no
	ol_with_ldbm_type=no
	ol_with_ldbm_module=static

elif test $ol_enable_bdb2 = yes ; then
	dnl SLAPD with BDB2

	if test $ol_with_ldbm_api != auto -a \
		$ol_with_ldbm_api != db2 ; then
		AC_MSG_ERROR([BDB2 requires LDBM API DB2])
	fi

	ol_with_ldbm_api=db2

else
	dnl SLAPD with LDBM

	if test $ol_enable_bdb2 != no ; then
		if test $ol_with_ldbm_api != auto -a \
			$ol_with_ldbm_api != db2 ; then
			AC_MSG_WARN([BDB2 requires LDBM api db2 or auto])
			ol_enable_bdb2=no
		fi
	fi

	if test $ol_with_ldbm_api = gdbm -a \
		$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])
	fi
fi

if test $ol_enable_slurpd = yes ; then
	dnl SLURPD was specifically enabled
	if test $ol_with_threads = no ; then
		AC_MSG_ERROR([slurpd requires threads])
	fi
fi

AC_MSG_RESULT(done)

dnl ----------------------------------------------------------------
dnl Initialize vars
LDAP_LIBS=
LDIF_LIBS=
LDBM_LIBS=
LTHREAD_LIBS=
LUTIL_LIBS=

LDAPD_LIBS=
SLAPD_LIBS=
SLURPD_LIBS=

BUILD_LDAPD=no
BUILD_SLAPD=no
BUILD_SLURPD=no

BUILD_BDB2=no
BUILD_LDAP=no
BUILD_LDBM=no
BUILD_PASSWD=no
BUILD_PERL=no
BUILD_QUIPU=no
BUILD_SHELL=no
BUILD_TCL=no
BUILD_THREAD=no

BUILD_BDB2_DYNAMIC=static
BUILD_LDAP_DYNAMIC=static
BUILD_LDBM_DYNAMIC=static
BUILD_PASSWD_DYNAMIC=static
BUILD_PERL_DYNAMIC=static
BUILD_SHELL_DYNAMIC=static
BUILD_TCL_DYNAMIC=static

SLAPD_MODULES_LDFLAGS=
SLAPD_MODULES_CPPFLAGS=
SLAPD_MODULES_LIST=

SLAPD_PERL_LDFLAGS=
MOD_PERL_LDFLAGS=
PERL_CPPFLAGS=

MOD_TCL_LIB=
KRB_LIBS=
READLINE_LIBS=
SASL_LIBS=
TERMCAP_LIBS=
TLS_LIBS=
MODULES_LIBS=

dnl ================================================================
dnl Checks for programs

dnl AC_PROG_INSTALL

AC_DEFINE(HAVE_MKVERSION, 1, [define this if you have mkversion])

dnl ----------------------------------------------------------------
dnl
dnl Determine which C translator to use
dnl

dnl AIX Thread requires we use cc_r or xlc_r.
dnl But only do this IF AIX and CC is not set
dnl and threads are auto|yes|posix.
dnl
dnl If we find cc_r|xlc_r, force pthreads and assume
dnl		pthread_create is in $LIBS (ie: don't bring in
dnl		any additional thread libraries)
dnl If we do not find cc_r|xlc_r, disable threads

ol_aix_threads=no
case "$target" in
*-*-aix*) dnl all AIX is not a good idea.
	if test -z "$CC" ; then
		case "$ol_with_threads" in
		auto | yes |  posix) ol_aix_threads=yes ;;
		esac
	fi
;;
esac

if test $ol_aix_threads = yes ; then
	if test -z "${CC}" ; then
		AC_CHECK_PROGS(CC,cc_r xlc_r cc)

		if test "$CC" = cc ; then
			dnl no CC! don't allow --with-threads
			if test $ol_with_threads != auto ; then
				AC_MSG_ERROR([--with-threads requires cc_r (or other suitable compiler) on AIX])
			else
				AC_MSG_WARN([disabling threads, no cc_r on AIX])
			fi
			ol_with_threads=no
  		fi
	fi

	if test "${CC}" = "cc_r" -o "${CC}" = "xlc_r" ; then
		ol_with_threads=posix
		ol_cv_pthread_create=yes
	fi
fi

if test -z "${CC}"; then
	AC_CHECK_PROGS(CC,cc)
fi

dnl The default CFLAGS is empty NOT whatever AC_PROG_CC sets.
dnl (for now, let autoconf sort this out)
dnl CFLAGS=${CFLAGS-""}

AC_LIBTOOL_DLOPEN
AC_PROG_LIBTOOL

AC_PROG_AWK
OL_PROG_LN_H
AC_PROG_LN_S

if test "$LN_H" = "cp" -a "$LN_S" = "ln"; then
	LN_S="$LN_H"
fi

AC_PATH_PROG(SENDMAIL, sendmail, /usr/lib/sendmail,
	$PATH:/usr/libexec:/usr/lib:/usr/sbin:/usr/etc:/etc)
AC_PATH_PROG(EDITOR, vi, /usr/ucb/vi, $PATH:/usr/ucb)
AC_PATH_PROG(FINGER, finger, /usr/ucb/finger, $PATH:/usr/ucb)

dnl ----------------------------------------------------------------
dnl Perl
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
		if test $ol_enable_perl = yes ; then
			AC_MSG_ERROR([could not locate perl])
		fi

	else
		PERL_CPPFLAGS="`$PERLBIN -MExtUtils::Embed -e ccopts`"
		if test x"$ol_with_perl_module" == "xstatic" ; then
			SLAPD_PERL_LDFLAGS="`$PERLBIN -MExtUtils::Embed -e ldopts|sed -e s/-lc//`"
		else
			MOD_PERL_LDFLAGS="`$PERLBIN -MExtUtils::Embed -e ldopts|sed -e s/-lc//`"
		fi
		dnl should check perl version
		ol_link_perl=yes
	fi
fi

AC_PROG_CPP

dnl ----------------------------------------------------------------
dnl Cross compiling checks
if test $cross_compiling = yes -a $ol_enable_x_compile = yes; then
	AC_MSG_WARN([cross compiling....  some functionality will be removed.])

elif test $cross_compiling = no -a $ol_enable_x_compile = yes; then
	AC_MSG_WARN([programs compiled here do run here...])
	AC_MSG_ERROR([  if not cross compiling, use --disable-x-compile.])

elif test $cross_compiling = yes -a $ol_enable_x_compile = no; then
	AC_MSG_WARN([programs compiled here do not run here...])
	AC_MSG_ERROR([  if cross compiling,  add --enable-x-compile.])
fi

dnl ----------------------------------------------------------------
dnl Checks for UNIX Variants
AC_AIX
AC_ISC_POSIX
AC_MINIX

dnl ----------------------------------------------------------------
dnl Checks for system services
AC_CYGWIN
AC_MINGW32
AC_EXEEXT
AC_OBJEXT

AC_DEFINE_UNQUOTED( EXEEXT, "${EXEEXT}", [defined to be the EXE extension])

dnl ----------------------------------------------------------------
dnl BeOS requires -lbe -lroot -lnet
AC_CHECK_LIB(be, be_app, [LIBS="$LIBS -lbe -lroot -lnet"], :, [-lroot -lnet])

dnl ----------------------------------------------------------------
dnl OpenLDAP requires STDC features
AM_PROG_CC_STDC
if test "X${am_cv_prog_cc_stdc}" = "Xno" ; then
	AC_MSG_ERROR([OpenLDAP requires compiler to support STDC constructs.])
fi

dnl ----------------------------------------------------------------
dnl Check cc depend flags
OL_MKDEPEND
if test "${ol_cv_mkdep}" = no ; then
	# this will soon become an error
	AC_MSG_WARN([do not know how to generate dependencies])
fi

dnl ----------------------------------------------------------------
dnl Check for module support
ol_link_modules=no
if test $ol_enable_modules != no ; then
	AC_CHECK_HEADERS(ltdl.h)

	if test $ac_cv_header_ltdl_h = no ; then
		AC_MSG_ERROR([could not locate libtool ltdl.h])
	fi

	AC_CHECK_LIB(ltdl, lt_dlinit)
	if test "$ac_cv_lib_ltdl_lt_dlinit" = no ; then
		AC_MSG_ERROR([could not locate libtool -lltdl])
	fi
	ol_link_modules=yes

else
	ol_with_bdb2_module=static
	ol_with_ldap_module=static
	ol_with_ldbm_module=static
	ol_with_passwd_module=static
	ol_with_perl_module=static
	ol_with_shell_module=static
	ol_with_tcl_module=static
fi

dnl ----------------------------------------------------------------
dnl Checks for header files.
OL_HEADER_STDC

if test $ol_cv_header_stdc != yes; then
	AC_MSG_WARN([could not locate Standard C compliant headers])
fi

AC_HEADER_DIRENT
AC_HEADER_SYS_WAIT
AM_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL
if test $am_cv_sys_posix_termios = yes ; then
	AC_DEFINE(HAVE_POSIX_TERMIOS,1,
		[define if you have POSIX termios])
fi

AC_CHECK_HEADERS(	\
	arpa/inet.h		\
	arpa/nameser.h	\
	assert.h		\
	crypt.h			\
	errno.h			\
	fcntl.h			\
	filio.h			\
	getopt.h		\
	grp.h			\
	libutil.h		\
	limits.h		\
	locale.h		\
	netinet/tcp.h	\
	malloc.h		\
	memory.h		\
	psap.h			\
	pwd.h			\
	resolv.h		\
	sgtty.h			\
	shadow.h		\
	stddef.h		\
	string.h		\
	strings.h		\
	sysexits.h		\
	sys/file.h		\
	sys/filio.h		\
	sys/errno.h		\
	sys/ioctl.h		\
	sys/param.h		\
	sys/resource.h	\
	sys/select.h	\
	sys/socket.h	\
	sys/syslog.h	\
	sys/time.h		\
	sys/types.h		\
	syslog.h		\
	termios.h		\
	unistd.h		\
)

dnl ----------------------------------------------------------------
dnl Checks for libraries

dnl HP-UX requires -lV3
AC_CHECK_LIB(V3, sigset)

dnl Find socket()
dnl Likely combinations:
dnl		-lsocket [ -lnsl_s | -lnsl ]
dnl		-linet

AC_CHECK_FUNC(socket, :, [	
dnl hopefully we won't include too many libraries
	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)
	AC_CHECK_LIB(gen, main)
])

dnl require select
AC_CHECK_FUNC(select, :, AC_MSG_ERROR([select() required.]))
dnl AC_CHECK_FUNCS(socketpair)

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

dnl check to see if system call automatically restart
dnl AC_SYS_RESTARTABLE_SYSCALLS

dnl ----------------------------------------------------------------
dnl require POSIX regex
AC_CHECK_HEADERS( regex.h )
if test "$ac_cv_header_regex_h" != yes ; then
	AC_MSG_ERROR([POSIX regex.h required.])
fi
AC_CHECK_FUNC(regfree, :, AC_MSG_ERROR([POSIX regex required.]))

OL_POSIX_REGEX
if test "$ol_cv_c_posix_regex" = no ; then
	AC_MSG_ERROR([broken POSIX regex!])
fi

dnl ----------------------------------------------------------------
dnl Check for resolver routines
AC_CHECK_FUNC(res_search,:)
if test $ac_cv_func_res_search = no ; then 
	AC_CHECK_LIB(bind, res_search)
	ac_cv_func_res_search=$ac_cv_lib_bind_res_search
fi

if test $ac_cv_func_res_search = no ; then 
	AC_CHECK_LIB(bind, __res_search)
	ac_cv_func_res_search=$ac_cv_lib_bind___res_search
fi

if test $ac_cv_func_res_search = no ; then 
	AC_CHECK_LIB(resolv, res_search)
	ac_cv_func_res_search=$ac_cv_lib_resolv_res_search
fi

if test "$ac_cv_func_res_search" = yes ; then
	AC_DEFINE(HAVE_RES_SEARCH,1,
		[define if you have res_search()])
elif test $ol_enable_dns = yes ; then
	AC_MSG_ERROR([--enable-dns requires res_search])
elif test $ol_enable_dns != no ; then
	AC_MSG_WARN([no res_search, disabling DNS support])
fi


dnl ----------------------------------------------------------------
dnl ISODE tests
ol_link_isode=no
if test $ol_enable_ldapd != no ; then
	AC_MSG_WARN([ldapd is not supported and may suffer from bit rot.])

	dnl look for ISODE libraries
	AC_CHECK_LIB(xtpp, main, [
		ol_link_isode=yes
		AC_DEFINE(HAVE_XTPP,1, [define if you have -lxttp])
		LDAPD_LIBS="$LDAPD_LIBS -lxtpp -lxtdsap -lxtisode -losi"
		],:,[-lxtdsap -lxtisode -losi])
	AC_CHECK_LIB(dsap, main, [
		ol_link_isode=yes
		AC_DEFINE(HAVE_DSAP,1, [define if you have -ldsap])
		LDAPD_LIBS="$LDAPD_LIBS -ldsap"
		],:,[-lisode])
	AC_CHECK_LIB(isode, main, [
		ol_link_isode=yes
		AC_DEFINE(HAVE_ISODE,1, [define if you have -lisode])
		LDAPD_LIBS="$LDAPD_LIBS -lisode"
		],:)
fi

if test $ol_link_isode != no; then
	AC_CHECK_LIB(pp, main, [
		AC_DEFINE(HAVE_PP,1, [define if you have -lpp])
		LDAPD_LIBS="-lpp $LDAPD_LIBS"
		],:)

	AC_PATH_PROG(PEPSY, pepsy)
fi

dnl ----------------------------------------------------------------
dnl QUIPU
if test $ol_enable_quipu != no ; then
	AC_CHECK_HEADERS(quipu/commonarg.h)

	if test $ac_cv_header_quipu_commonarg_h = yes ; then
		BUILD_QUIPU=yes
	elif test $ol_enable_quipu = auto ; then
		AC_MSG_WARN([no quipu for --enable-quipu=auto, disabling])
	else
		AC_MSG_ERROR(no quipu for --enable-quipu=$ol_enable_quipu)
	fi
fi

dnl ----------------------------------------------------------------
dnl Kerberos
ol_link_kerberos=no

if test $ol_with_kerberos = auto -o $ol_with_kerberos = k5 ; then
	AC_CHECK_HEADERS(kerberosIV/krb.h kerberosIV/des.h)

	if test $ac_cv_header_kerberosIV_krb_h = yes ; then
		AC_CHECK_LIB(krb4, main, [have_k5=yes], [have_k5=no],
			[-lkrb5 -ldes425])

		if test $have_k5 = yes ; then
			ol_with_kerberos=found
			ol_link_kerberos=yes

			KRB_LIBS="-lkrb4 -lkrb5 -ldes425"

			LIBS="$KRB_LIBS $LIBS"

			AC_CACHE_CHECK([for des_debug in Kerberos libraries],
				[ol_cv_var_des_debug], [
				dnl save the flags
				save_LIBS="$LIBS"
				LIBS="$KRB_LIBS $LIBS"
				AC_TRY_LINK([
#include <kerberosIV/krb.h>
#include <kerberosIV/des.h>
extern int des_debug;
],[
des_debug = 1;
],				ol_cv_var_des_debug=yes, ol_cv_var_des_debug=no)
				dnl restore the LIBS
				LIBS="$save_LIBS"
			])

			if test $ol_cv_var_des_debug = yes ; then
				AC_DEFINE(HAVE_DES_DEBUG,1,
					[define if you have Kerberos des_debug])
			fi

			LIBS="$save_LIBS"
		fi
	fi
fi

if test $ol_with_kerberos = auto -o $ol_with_kerberos = k4 \
	-o $ol_with_kerberos = kth ; then

	AC_CHECK_HEADERS(krb.h des.h krb-archaeology.h )

	if test $ac_cv_header_krb_h = yes ; then
		AC_CHECK_LIB(krb, main, [have_k4=yes], [have_k4=no], [-ldes])

		if test $have_k4 = yes ; then
			ol_with_kerberos=found
			ol_link_kerberos=yes

			KRB_LIBS="-lkrb -ldes"

			if test $ac_cv_header_krb_archaeology_h = yes ; then
				AC_DEFINE(HAVE_KTH_KERBEROS, 1,
					[define if you have Kth Kerberos])
			fi
		fi
	fi
fi

if test $ol_link_kerberos = yes ; then
	AC_DEFINE(HAVE_KERBEROS, 1, [define if you have Kerberos])

elif test $ol_with_kerberos != auto -a $ol_with_kerberos != no ; then
	AC_ERROR([Kerberos detection failed.])
fi

dnl ----------------------------------------------------------------
dnl TLS/SSL
ol_link_tls=no
if test $ol_with_tls != no ; then
	
	AC_CHECK_HEADERS(openssl/ssl.h ssl.h)
	
	if test $ac_cv_header_openssl_ssl_h = yes -o $ac_cv_header_ssl_h = yes ; then
		AC_CHECK_LIB(ssl, SSLeay_add_ssl_algorithms, 
			[have_ssleay=yes
			need_rsaref=no],
			[have_ssleay=no],
			[-lcrypto])
			
		if test $have_ssleay = no ; then
			AC_CHECK_LIB(ssl, SSL_library_init,
				[have_ssleay=yes
				need_rsaref=no], [have_ssleay=no],
				[-lcrypto])
		fi

		if test $have_ssleay = no ; then
			AC_CHECK_LIB(ssl, ssl3_accept, 
				[have_ssleay=yes
				need_rsaref=yes], [have_ssleay=no],
				[-lcrypto -lRSAglue -lrsaref])
		fi

		if test $have_ssleay = yes ; then
			ol_with_tls=found
			ol_link_tls=yes

			AC_DEFINE(HAVE_SSLEAY, 1, 
				[define if you have SSLeay or OpenSSL])

			if test $need_rsaref = yes; then
				AC_DEFINE(HAVE_RSAREF, 1, 
					[define if you have RSAref])

				TLS_LIBS="-lssl -lcrypto -lRSAglue -lrsaref"
			else
				TLS_LIBS="-lssl -lcrypto"
			fi
		fi
	fi
fi

if test $ol_link_tls = yes ; then
	AC_DEFINE(HAVE_TLS, 1, [define if you have TLS])
fi	

dnl ----------------------------------------------------------------
dnl Tests for reentrant functions necessary to build a
dnl thread_safe -lldap.
AC_CHECK_FUNCS(		\
	ctime_r			\
	gethostbyname_r	gethostbyaddr_r \
)

if test "$ac_cv_func_ctime_r" = no ; then
	ol_cv_func_ctime_r_nargs=0
else
	OL_FUNC_CTIME_R_NARGS
dnl	OL_FUNC_CTIME_R_TYPE
fi

if test "$ac_cv_func_gethostbyname_r" = yes ; then
 	OL_FUNC_GETHOSTBYNAME_R_NARGS
else
 	ol_cv_func_gethostbyname_r_nargs=0
fi
 
if test "$ac_cv_func_gethostbyaddr_r" = yes ; then
 	OL_FUNC_GETHOSTBYADDR_R_NARGS
else
 	ol_cv_func_gethostbyaddr_r_nargs=0
fi

if test "$ac_cv_func_ctime_r" = yes \
	-a "$ol_cv_func_ctime_r_nargs" -ge 2 \
	-a "$ol_cv_func_ctime_r_nargs" -le 3 \
	-a "$ac_cv_func_gethostbyname_r" = yes \
	-a "$ol_cv_func_gethostbyname_r_nargs" -ge 5 \
	-a "$ol_cv_func_gethostbyname_r_nargs" -le 6 \
 	-a "$ac_cv_func_gethostbyaddr_r" = yes \
 	-a "$ol_cv_func_gethostbyaddr_r_nargs" -ge 5 \
	-a "$ol_cv_func_gethostbyaddr_r_nargs" -le 6 \
 	; then
 
 	AC_DEFINE(LDAP_API_FEATURE_X_OPENLDAP_REENTRANT,1)
fi

dnl ----------------------------------------------------------------
dnl Threads?
ol_link_threads=no
if test $ol_with_threads = auto -o $ol_with_threads = yes \
	-o $ol_with_threads = posix ; then

	AC_CHECK_HEADERS(pthread.h)

	if test $ac_cv_header_pthread_h = yes ; then
		OL_POSIX_THREAD_VERSION

		if test $ol_cv_pthread_version = final ; then
			AC_DEFINE(HAVE_PTHREADS_FINAL,1,
				[define if pthreads API compatible with final spec])
		elif test $ol_cv_pthread_version = draft4 ; then
			AC_DEFINE(HAVE_PTHREADS_D4,1,
				[define if pthreads API compatible with draft4 spec])
		else
			AC_MSG_ERROR([unknown pthread version])
		fi

		# consider threads found
		ol_with_threads=found

		OL_HEADER_LINUX_THREADS
		OL_HEADER_GNU_PTH_PTHREAD_H

		if test $ol_cv_header_gnu_pth_pthread_h = no ; then
			AC_CHECK_HEADERS(sched.h)
		fi

		dnl Now the hard part, how to link?
		dnl
		dnl currently supported checks:
		dnl
		dnl Check for no flags 
		dnl 	pthread_create() in $LIBS
		dnl
		dnl Check special pthread (final) flags
		dnl 	[skipped] pthread_create() with -mt (Solaris) [disabled]
		dnl 	pthread_create() with -kthread (FreeBSD)
		dnl 	pthread_create() with -pthread (FreeBSD/Digital Unix)
		dnl 	pthread_create() with -pthreads (?)
		dnl 	pthread_create() with -mthreads (AIX)
		dnl 	pthread_create() with -thread (?)
		dnl
		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 	[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
		dnl Check pthread (draft4) flags (depreciated)
		dnl 	pthread_create() with -threads (OSF/1)
		dnl
		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_CACHE_CHECK([for pthread_create in default libraries],
			ol_cv_pthread_create,[
		AC_TRY_RUN(OL_PTHREAD_TEST_PROGRAM,
			[ol_cv_pthread_create=yes],
			[ol_cv_pthread_create=no],
			[AC_TRY_LINK(OL_PTHREAD_TEST_INCLUDES,OL_PTHREAD_TEST_FUNCTION,
				[ol_cv_pthread_create=yes],
				[ol_cv_pthread_create=no])])])

		if test $ol_cv_pthread_create != no ; then
			ol_link_threads=posix
			ol_link_pthreads=""
		fi
		
dnl		OL_PTHREAD_TRY([-mt],		[ol_cv_pthread_mt])
		OL_PTHREAD_TRY([-kthread],	[ol_cv_pthread_kthread])
		OL_PTHREAD_TRY([-pthread],	[ol_cv_pthread_pthread])
		OL_PTHREAD_TRY([-pthreads],	[ol_cv_pthread_pthreads])
		OL_PTHREAD_TRY([-mthreads],	[ol_cv_pthread_mthreads])
		OL_PTHREAD_TRY([-thread],	[ol_cv_pthread_thread])

		OL_PTHREAD_TRY([-lpthread -lmach -lexc -lc_r],
			[ol_cv_pthread_lpthread_lmach_lexc_lc_r])
		OL_PTHREAD_TRY([-lpthread -lmach -lexc],
			[ol_cv_pthread_lpthread_lmach_lexc])
dnl		OL_PTHREAD_TRY([-lpthread -lexc],
dnl			[ol_cv_pthread_lpthread_lexc])

		OL_PTHREAD_TRY([-lpthread -Wl,-woff,85],
			[ol_cv_pthread_lib_lpthread_woff])

		OL_PTHREAD_TRY([-lpthread],	[ol_cv_pthread_lpthread])
		OL_PTHREAD_TRY([-lc_r],		[ol_cv_pthread_lc_r])

		OL_PTHREAD_TRY([-threads],	[ol_cv_pthread_threads])

		OL_PTHREAD_TRY([-lpthreads -lmach -lexc -lc_r],
			[ol_cv_pthread_lpthreads_lmach_lexc_lc_r])
		OL_PTHREAD_TRY([-lpthreads -lmach -lexc],
			[ol_cv_pthread_lpthreads_lmach_lexc])
		OL_PTHREAD_TRY([-lpthreads -lexc],
			[ol_cv_pthread_lpthreads_lexc])

		OL_PTHREAD_TRY([-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"
			LIBS="$LTHREAD_LIBS $LIBS"

			dnl All POSIX Thread (final) implementations should have
			dnl sched_yield instead of pthread yield.
			dnl check for both
			AC_CHECK_FUNCS(sched_yield pthread_yield)

			if test $ac_cv_func_sched_yield = no -a \
				$ac_cv_func_pthread_yield = no ; then
				dnl Digital UNIX has sched_yield() in -lrt
				AC_CHECK_LIB(rt, sched_yield,
					[LTHREAD_LIBS="$LTHREAD_LIBS -lrt"
					AC_DEFINE(HAVE_SCHED_YIELD,1,
						[Define if you have the sched_yield function.])
					ac_cv_func_sched_yield=yes],
					[ac_cv_func_sched_yield=no])
			fi
			if test $ac_cv_func_sched_yield = no -a \
				$ac_cv_func_pthread_yield = no ; then
				dnl Solaris has sched_yield() stub in -lposix4
				dnl but we'll use thr_yield instead.
				AC_CHECK_FUNCS(thr_yield)
			fi
			if test $ac_cv_func_sched_yield = no -a \
				$ac_cv_func_pthread_yield = no -a \
				"$ac_cv_func_thr_yield" = no ; then
				AC_MSG_WARN([could not locate sched_yield() or pthread_yield()])
			fi

			dnl Check functions for compatibility
			AC_CHECK_FUNCS(pthread_kill)

			dnl Check for pthread_detach with <pthread.h> inclusion
			dnl as it's symbol may have been mangled.
			AC_CACHE_CHECK([for pthread_detach with <pthread.h>],
				[ol_cv_func_pthread_detach], [
				dnl save the flags
				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])
			])

			if test $ol_cv_func_pthread_detach = no ; then
				AC_MSG_ERROR([could not locate pthread_detach()])
			fi

			AC_DEFINE(HAVE_PTHREAD_DETACH,1,
				[define if you have pthread_detach function])

			dnl Check for setconcurreny functions
			AC_CHECK_FUNCS(	\
				pthread_setconcurrency \
				pthread_getconcurrency \
				thr_setconcurrency \
				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_CACHE_CHECK([if pthread_create() works],
				ol_cv_pthread_create_works,[
			AC_TRY_RUN(OL_PTHREAD_TEST_PROGRAM,
				[ol_cv_pthread_create_works=yes],
				[ol_cv_pthread_create_works=no],
				[dnl assume yes
				ol_cv_pthread_create_works=yes])])

			if test $ol_cv_pthread_create_works = no ; then
				AC_MSG_ERROR([pthread_create is not usable, check environment settings])
			fi

			dnl Check if select causes an yield
			if test $ol_with_yielding_select = auto ; then
				AC_CACHE_CHECK([if select yields when using pthreads],
					ol_cv_pthread_select_yields,[
				AC_TRY_RUN([
#include <sys/types.h>
#include <sys/time.h>
#include <unistd.h>
#include <pthread.h>
#ifndef NULL
#define NULL (void*) 0
#endif

static int fildes[2];

static void *task(p)
	void *p;
{
	int i;
	struct timeval tv;

	fd_set rfds;

	tv.tv_sec=10;
	tv.tv_usec=0;

	FD_ZERO(&rfds);
	FD_SET(fildes[0], &rfds);

	/* we're not interested in any fds */
	i = select(FD_SETSIZE, &rfds, NULL, NULL, &tv);

	if(i < 0) {
		perror("select");
		exit(10);
	}

	exit(0); /* if we exit here, the select blocked the whole process */
}

int main(argc, argv)
	int argc;
	char **argv;
{
	pthread_t t;

	/* create a pipe to select */
	if(pipe(&fildes[0])) {
		perror("select");
		exit(1);
	}

#ifdef HAVE_PTHREAD_SETCONCURRENCY
	(void) pthread_setconcurrency(2);
#else
#ifdef HAVE_THR_SETCONCURRENCY
	/* Set Solaris LWP concurrency to 2 */
	thr_setconcurrency(2);
#endif
#endif

#if HAVE_PTHREADS_D4
	pthread_create(&t, pthread_attr_default, task, NULL);
#else
	pthread_create(&t, NULL, task, NULL);
#endif

#if HAVE_SCHED_YIELD
	sched_yield();	/* make sure task runs first */
#else
#ifdef HAVE_PTHREAD_YIELD
	pthread_yield();	/* make sure task runs first */
#endif
#endif

	exit(2);
}],
				[ol_cv_pthread_select_yields=no],
				[ol_cv_pthread_select_yields=yes],
				[ol_cv_pthread_select_yields=cross])])

				if test $ol_cv_pthread_select_yields = cross ; then
					AC_MSG_ERROR([crossing compiling: use --with-yielding_select=yes|no|manual])
				fi

				if test $ol_cv_pthread_select_yields = yes ; then
					ol_with_yielding_select=yes
				fi
			fi

			dnl restore flags
			CPPFLAGS="$save_CPPFLAGS"
			LIBS="$save_LIBS"
		else
			AC_MSG_ERROR([could not link with POSIX Threads])
		fi
	fi

	if test $ol_with_threads = posix ; then
		AC_MSG_ERROR([could not locate POSIX Threads])
	fi
fi

if test $ol_with_threads = auto -o $ol_with_threads = yes \
	-o $ol_with_threads = mach ; then

	dnl check for Mach CThreads
	AC_CHECK_HEADERS(mach/cthreads.h)
	if test $ac_cv_header_mach_cthreads_h = yes ; then
		ol_with_threads=found

		dnl check for cthread support in current $LIBS
		AC_CHECK_FUNC(cthread_fork,[ol_link_threads=yes])

		if test $ol_link_threads = no ; then
			dnl try -all_load
			dnl this test needs work
			AC_CACHE_CHECK([for cthread_fork with -all_load],
				[ol_cv_cthread_all_load], [
				dnl save the flags
				save_LIBS="$LIBS"
				LIBS="-all_load $LIBS"
				AC_TRY_LINK([#include <mach/cthreads.h>],[
					cthread_fork((void *)0, (void *)0);
					], ol_cv_cthread_all_load=yes, ol_cv_cthread_all_load=no)
				dnl restore the LIBS
				LIBS="$save_LIBS"
			])

			if test $ol_cv_cthread_all_load = yes ; then
				LTHREAD_LIBS="$LTHREAD_LIBS -all_load"
				ol_link_threads=mach
			fi
		fi

		if test $ol_link_threads != no ; then
			: check for cthread specific functionality here
			AC_DEFINE(HAVE_MACH_CTHREADS,1,
				[define if you have Mach Cthreads])
		else
			AC_MSG_ERROR([could not link with Mach CThreads])
		fi
	fi

	if test $ol_with_threads = mach ; then
		AC_MSG_ERROR([could not locate Mach CThreads])
	fi
fi

if test $ol_with_threads = auto -o $ol_with_threads = yes \
	-o $ol_with_threads = pth ; then

	AC_CHECK_HEADERS(pth.h)

	if test $ac_cv_header_pth_h = yes ; then
		AC_CHECK_LIB(pth, pth_version, [have_pth=yes], [have_pth=no])

		if test $have_pth = yes ; then
			AC_DEFINE(HAVE_GNU_PTH,1,[if you have GNU Pth])
			LTHREAD_LIBS="$LTHREAD_LIBS -lpth"
			ol_link_threads=pth

			if test $ol_with_yielding_select = auto ; then
				ol_with_yielding_select=yes
			fi
		fi
	fi
fi

if test $ol_with_threads = auto -o $ol_with_threads = yes \
	-o $ol_with_threads = lwp ; then

	dnl check for SunOS5 LWP
	AC_CHECK_HEADERS(thread.h synch.h)
	if test $ac_cv_header_thread_h = yes -a $ac_cv_header_synch_h = yes ; then
		AC_CHECK_LIB(thread, thr_create, [have_thr=yes], [have_thr=no])

		if test $have_thr = yes ; then
			AC_DEFINE(HAVE_THR,1,
				[if you have Solaris LWP (thr) package])
			LTHREAD_LIBS="$LTHREAD_LIBS -lthread"
			ol_link_threads=thr

			if test $ol_with_yielding_select = auto ; then
				ol_with_yielding_select=yes
			fi

			dnl Check for setconcurreny functions
			AC_CHECK_FUNCS(	\
				thr_setconcurrency \
				thr_getconcurrency \
			)
		fi
	fi

	dnl check for SunOS4 LWP
	AC_CHECK_HEADERS(lwp/lwp.h)
	if test $ac_cv_header_lwp_lwp_h = yes ; then
		AC_CHECK_LIB(lwp, lwp_create, [have_lwp=yes], [have_lwp=no])

		if test $have_lwp = yes ; then
			AC_DEFINE(HAVE_LWP,1,
				[if you have SunOS LWP package])
			LTHREAD_LIBS="$LTHREAD_LIBS -llwp"
			ol_link_threads=lwp

			if test $ol_with_yielding_select = auto ; then
				ol_with_yielding_select=no
			fi
		fi
	fi
fi

if test $ol_with_yielding_select = yes ; then
	AC_DEFINE(HAVE_YIELDING_SELECT,1,
		[define if select implicitly yields])
fi

if test $ol_with_threads = manual ; then
	dnl User thinks he can manually configure threads.
	ol_link_threads=yes

	AC_MSG_WARN([thread defines and link options must be set manually])

	AC_CHECK_HEADERS(pthread.h sched.h)
	AC_CHECK_FUNCS(sched_yield pthread_yield)
	OL_HEADER_LINUX_THREADS

	AC_CHECK_HEADERS(mach/cthreads.h)
	AC_CHECK_HEADERS(lwp/lwp.h)
	AC_CHECK_HEADERS(thread.h synch.h)
fi

if test $ol_link_threads != no ; then  
	dnl needed to get reentrant/threadsafe versions
	dnl
	AC_DEFINE(REENTRANT,1)
	AC_DEFINE(_REENTRANT,1)
	AC_DEFINE(THREAD_SAFE,1)
	AC_DEFINE(_THREAD_SAFE,1)
	AC_DEFINE(THREADSAFE,1)
	AC_DEFINE(_THREADSAFE,1)
	AC_DEFINE(_SGI_MP_SOURCE,1)

	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>], [errno = 0;],
			[ol_cv_errno_thread_specific=yes],
			[ol_cv_errno_thread_specific=no])
	])

	dnl The h_errno declaration may dependent upon _REENTRANT.
	dnl If it does, we must link with thread support.
	AC_CACHE_CHECK([for thread specific h_errno],
		[ol_cv_h_errno_thread_specific], [
		AC_TRY_LINK([#include <netdb.h>], [h_errno = 0;],
			[ol_cv_h_errno_thread_specific=yes],
			[ol_cv_h_errno_thread_specific=no])
	])

	if test $ol_cv_errno_thread_specific != yes \
		-o $ol_cv_h_errno_thread_specific != yes ; then
		LIBS="$LTHREAD_LIBS $LIBS"
		LTHREAD_LIBS=""
	fi

dnl When in thread environment, use 
dnl		#if defined( HAVE_REENTRANT_FUNCTIONS ) \ 
dnl			|| defined( HAVE_FUNC_R )
dnl			func_r(...);
dnl		#else
dnl		#	if defined( HAVE_THREADS ) 
dnl				/* lock */
dnl		#	endif
dnl				func(...);
dnl		#	if defined( HAVE_THREADS ) 
dnl				/* unlock */
dnl		#	endif
dnl		#endif
dnl
dnl HAVE_REENTRANT_FUNCTIONS is derived from:
dnl		_POSIX_REENTRANT_FUNCTIONS
dnl		_POSIX_THREAD_SAFE_FUNCTIONS
dnl		_POSIX_THREADSAFE_FUNCTIONS
dnl
dnl		and is currently defined in lthread.h
dnl
dnl HAVE_THREADS is defined by lthread.h iff -UNO_THREADS
dnl 
dnl libldap/*.c should only include <lthread.h> iff
dnl LDAP_R_COMPILE is defined.  ie:
dnl		#ifdef LDAP_R_COMPILE
dnl		#	include LDAP_R_COMPILE
dnl		#endif
dnl
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		
dnl	dnl check for reentrant/threadsafe functions
dnl	dnl
dnl	dnl note: these should only be used when linking
dnl	dnl       with $LTHREAD_LIBS
dnl	dnl
dnl	save_CPPFLAGS="$CPPFLAGS"
dnl	save_LIBS="$LIBS"
dnl	LIBS="$LTHREAD_LIBS $LIBS"
dnl	AC_CHECK_FUNCS(	\
dnl		gmtime_r \
dnl		gethostbyaddr_r gethostbyname_r \
dnl		feof_unlocked unlocked_feof \
dnl		putc_unlocked unlocked_putc \
dnl		flockfile ftrylockfile \
dnl	)
dnl	CPPFLAGS="$save_CPPFLAGS"
dnl	LIBS="$save_LIBS"
fi  

if test $ol_link_threads = no ; then
	if test $ol_with_threads = yes ; then
		AC_MSG_ERROR([no suitable thread support])
	fi

	if test $ol_with_threads = auto ; then
		AC_MSG_WARN([no suitable thread support, disabling threads])
		ol_with_threads=no
	fi

	AC_DEFINE(NO_THREADS,1,
		[define if you have (or want) no threads])
	LTHREAD_LIBS=""
fi

if test $ol_link_threads != no ; then
	AC_DEFINE(LDAP_API_FEATURE_X_OPENLDAP_THREAD_SAFE,1)
fi

dnl ----------------------------------------------------------------

ol_link_ldbm=no 
if test $ol_with_ldbm_api = auto -o $ol_with_ldbm_api = db2 ; then
	OL_BERKELEY_DB2

	if test $ol_cv_berkeley_db2 = yes ; then
		ol_link_ldbm=db2
		ol_with_ldbm_api=db2

		if test $ol_with_ldbm_type = hash ; then
			AC_DEFINE(LDBM_USE_DBHASH,1,
				[define this to use DBHASH w/ LDBM backend])
		else
			AC_DEFINE(LDBM_USE_DBBTREE,1,
				[define this to use DBBTREE w/ LDBM backend])
		fi

		OL_BERKELEY_DB2_DB_THREAD

		dnl $ol_cv_lib_db2 should be yes or -ldb
		dnl (it could be no, but that would be an error
		if test $ol_cv_lib_db2 != yes ; then
			LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_db2"
		fi
	fi
fi

ol_link_bdb2=no
if test $ol_link_ldbm = db2 -a $ol_enable_bdb2 != no ; then
	if test $ol_cv_berkeley_db2_db_thread != no ; then
		ol_link_bdb2=yes
	else
		AC_MSG_WARN([Installed BerkeleyDB does not provide DB_THREAD support.])
	fi
fi

if test $ol_with_ldbm_api = auto -o $ol_with_ldbm_api = db ; then
	OL_BERKELEY_DB

	if test $ol_cv_berkeley_db = yes ; then
		ol_link_ldbm=db
		ol_with_ldbm_api=db

		if test $ol_with_ldbm_type = hash ; then
			AC_DEFINE(LDBM_USE_DBHASH,1,
				[define this to use DBHASH w/ LDBM backend])
		else
			AC_DEFINE(LDBM_USE_DBBTREE,1,
				[define this to use DBBTREE w/ LDBM backend])
		fi

		dnl $ol_cv_lib_db should be yes or -ldb
		dnl (it could be no, but that would be an error
		if test $ol_cv_lib_db != yes ; then
			LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_db"
		fi
	fi
fi

if test $ol_with_ldbm_api = manual ; then
	dnl User thinks he can manually configure LDBM api.
	ol_link_ldbm=yes

	AC_MSG_WARN([LDBM defines and link options must be set manually])

	AC_CHECK_HEADERS(db.h db_185.h gdbm.h ndbm.h)
fi

if test $ol_link_ldbm = no -a $ol_with_ldbm_type = btree ; then
	AC_MSG_WARN(Could not find LDBM with BTREE support)
	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

	if test $ol_cv_gdbm = yes ; then
		ol_link_ldbm=gdbm
		ol_with_ldbm_api=gdbm

		if test $ol_cv_lib_gdbm != yes ; then
			LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_gdbm"
		fi
	fi
fi

if test $ol_with_ldbm_api = auto ; then
	AC_MSG_WARN([skipping automatic checking for NDBM, must be manually enabled.])
elif test $ol_with_ldbm_api = ndbm ; then
	OL_NDBM

	if test $ol_cv_ndbm = yes ; then
		ol_link_ldbm=ndbm
		ol_with_ldbm_api=ndbm

		if test $ol_cv_lib_ndbm != yes ; then
			LDBM_LIBS="$LDBM_LIBS $ol_cv_lib_ndbm"
		fi
	fi
fi

if test $ol_link_ldbm = no -a $ol_enable_ldbm != no ; then
	AC_MSG_WARN(could not find suitable LDBM backend)
	if test $ol_enable_ldbm = yes ; then
		AC_MSG_ERROR(select appropriate LDBM options or disable)
	fi

	AC_MSG_WARN(disabling LDBM)
	ol_enable_ldbm=no
fi

dnl ----------------------------------------------------------------
if test $ol_enable_dynamic = yes -a $enable_shared = yes ; then
	LINK_BINS_DYNAMIC="yes"
else
	LINK_BINS_DYNAMIC="no"
fi

dnl ----------------------------------------------------------------
if test $ol_enable_wrappers != no ; then
	AC_CHECK_HEADERS(tcpd.h)

	if test $ac_cv_header_tcpd_h != yes ; then
		have_wrappers=no
	else
		AC_TRY_COMPILE([
int allow_severity = 0;
int deny_severity  = 0;
		],[hosts_access()],[have_wrappers=yes],[have_wrappers=no])
	fi

	if test $have_wrappers = yes ; then
		AC_DEFINE(HAVE_TCPD,1, [define if you have -lwrap])
		WRAP_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
			AC_MSG_ERROR(could not find wrappers, select appropriate options or disable)
		fi

		AC_MSG_WARN(disabling wrappers support)
		ol_enable_wrappers=no
		WRAP_LIBS=""
	fi
fi

dnl ----------------------------------------------------------------
if test $ol_enable_syslog != no ; then
	AC_CHECK_FUNC(openlog)
	if test $ac_cv_func_openlog = no -a $ol_enable_syslog = yes; then
		AC_MSG_ERROR(could not find syslog, select appropriate options or disable)
	fi
	ol_enable_syslog=$ac_cv_func_openlog
fi

dnl ----------------------------------------------------------------
if test $ol_enable_dmalloc != no ; then
	AC_CHECK_HEADERS(dmalloc.h)
	AC_CHECK_LIB(dmalloc, dmalloc_shutdown)
fi

dnl ----------------------------------------------------------------
dnl TCL
if test $ol_enable_tcl != no ; then
	AC_CHECK_HEADERS(tcl.h)

	if test $ac_cv_header_tcl_h != yes ; then
		have_tcl=no
	else
		for lib in tcl tcl7.6 tcl8.0 tcl8.2 ; do
			AC_CHECK_LIB($lib,main,
			  [have_tcl=yes
			   if test x"$ol_with_tcl_module" == "xstatic" ; then
			       SLAPD_LIBS="$SLAPD_LIBS -l${lib}"
			   else
			       MOD_TCL_LIB="-l${lib}"
			   fi;break],[have_tcl=no])
		done
	fi

	if test $have_tcl != yes ; then
		AC_MSG_WARN([could not find -ltcl])
		if test $ol_enable_tcl = yes ; then
			AC_MSG_ERROR([could not find tcl, select appropriate options or disable])
		fi

		ol_enable_tcl=no
	fi
fi

dnl ----------------------------------------------------------------
dnl ud needs termcap (should insert check here)
ol_link_termcap=no
AC_CHECK_HEADERS(termcap.h ncurses.h)

if test $ol_link_termcap = no ; then
	AC_CHECK_LIB(termcap, tputs, [have_termcap=yes], [have_termcap=no])
	if test $have_termcap = yes ; then
		AC_DEFINE(HAVE_TERMCAP, 1, [define if you have -ltermcap])
		ol_link_termcap=yes
		TERMCAP_LIBS=-ltermcap
	fi
fi

if test $ol_link_termcap = no ; then
	AC_CHECK_LIB(ncurses, initscr, [have_ncurses=yes], [have_ncurses=no])
	if test $have_ncurses = yes ; then
		AC_DEFINE(HAVE_NCURSES, 1, [define if you have -lncurses])
		ol_link_termcap=yes
		TERMCAP_LIBS=-lncurses
	fi
fi

if test $ol_link_termcap = no ; then
	AC_DEFINE(NO_TERMCAP,1, [define if you have no termcap support])
	TERMCAP_LIBS=
fi

dnl ----------------------------------------------------------------
dnl
dnl Check for fetch URL support
dnl		should be extended to support other fetch URL APIs
dnl
ol_link_sasl=no
if test $ol_with_cyrus_sasl != no ; then
	AC_CHECK_HEADER(sasl.h)

	if test $ac_cv_header_sasl_h = yes ; then
		AC_CHECK_LIB(sasl, sasl_client_init,
			[have_cyrus_sasl=yes], [have_cyrus_sasl=no])

		if test $have_cyrus_sasl != no ; then
			SASL_LIBS="-lsasl"
			AC_DEFINE(HAVE_CYRUS_SASL,1,[define if you have Cyrus SASL])
			ol_link_sasl=yes
		fi
	fi

	if test $ol_link_sasl = no -a $ol_with_cyrus_sasl = yes ; then
		AC_MSG_ERROR(no suitable API for --with-cyrus-sasl=$ol_with_cyrus_sasl)
	fi
fi

dnl ----------------------------------------------------------------
dnl
dnl Check for fetch URL support
dnl		should be extended to support other fetch URL APIs
dnl
ol_link_fetch=no
if test $ol_with_fetch != no ; then
	OL_LIB_FETCH

	if test $ol_cv_lib_fetch != no ; then
		LDIF_LIBS="$LDIF_LIBS $ol_link_fetch"
		ol_link_fetch=freebsd

	elif test $ol_with_fetch != auto ; then
		AC_MSG_ERROR(no suitable API for --with-fetch=$ol_with_fetch)
	fi 
fi

dnl ----------------------------------------------------------------
dnl
dnl Check for GNU readline
dnl
ol_link_readline=no
if test $ol_with_readline != no ; then
	AC_CHECK_HEADERS(readline/readline.h readline/history.h)

	if test $ac_cv_header_readline_readline_h = yes ; then
		save_LIBS="$LIBS"
		LIBS="$TERMCAP_LIBS $LIBS"
		AC_CHECK_LIB(readline, readline, 
			[have_readline=yes], [have_readline=no])
		LIBS="$save_LIBS"
			
		if test $have_readline = yes ; then
			ol_with_readline=found
			ol_link_readline=yes

			READLINE_LIBS="-lreadline"
		fi
	fi
fi

if test $ol_link_readline = yes ; then
	AC_DEFINE(HAVE_READLINE, 1, [define if you have -lreadline])
fi


dnl ----------------------------------------------------------------
dnl FreeBSD (and others) have crypt(3) in -lcrypt
if test $ol_enable_crypt != no ; then
	AC_CHECK_FUNC(crypt, [have_crypt=yes], [
		AC_CHECK_LIB(crypt, crypt, [LUTIL_LIBS="$LUTIL_LIBS -lcrypt"
			have_crypt=yes], [have_crypt=no])])

	if test $have_crypt = yes ; then
		AC_DEFINE(HAVE_CRYPT,1, [define if crypt(3) is available])
	else
		AC_MSG_WARN(could not find crypt)
		if test $ol_enable_crypt = yes ; then
			AC_MSG_ERROR(could not find crypt, select appropriate options or disable)
		fi

		AC_MSG_WARN(disabling crypt support)
		ol_enable_crypt=no
	fi
fi

dnl ----------------------------------------------------------------
dnl FreeBSD (and others) have setproctitle(3) in -lutil
if test $ol_enable_proctitle != no ; then
	AC_CHECK_FUNC(setproctitle,	[have_setproctitle=yes], [
		AC_CHECK_LIB(util, setproctitle,
			[have_setproctitle=yes
			LUTIL_LIBS="$LUTIL_LIBS -lutil"],
			[have_setproctitle=no
			LIBOBJS="$LIBOBJS setproctitle.o"])])

	if test $have_setproctitle = yes ; then
		AC_DEFINE(HAVE_SETPROCTITLE,1,
			[define if setproctitle(3) is available])
	fi
fi

dnl ----------------------------------------------------------------
dnl Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_GETGROUPS dnl requires AC_TYPE_UID_T
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AM_TYPE_PTRDIFF_T
AC_TYPE_SIGNAL
OL_TYPE_SIG_ATOMIC_T
AC_TYPE_SIZE_T
OL_TYPE_SOCKLEN_T
AC_STRUCT_ST_BLKSIZE
AC_HEADER_TIME
AC_STRUCT_TM
OL_STRUCT_PASSWD_PW_GECOS
OL_STRUCT_PASSWD_PW_PASSWD

OL_C_UPPER_LOWER
AC_C_CONST
OL_C_VOLATILE

if test $cross_compiling = yes ; then
	AC_DEFINE(CROSS_COMPILING, 1, [define if cross compiling])

	AC_DEFINE(LBER_INT_T,long)
	AC_DEFINE(LBER_TAG_T,long)
	AC_DEFINE(LBER_SOCKET_T,int)

else
	AC_C_BIGENDIAN
	AC_CHECK_SIZEOF(short) 
	AC_CHECK_SIZEOF(int) 
	AC_CHECK_SIZEOF(long)

	if test "$ac_cv_sizeof_int" -lt 4 ; then
		AC_MSG_WARN([OpenLDAP requires 'int' to be 32 bits or greater.])

		AC_DEFINE(LBER_INT_T,long)
		AC_DEFINE(LBER_TAG_T,long)
		AC_DEFINE(LBER_SOCKET_T,int)
	else
		AC_DEFINE(LBER_INT_T,int)
		AC_DEFINE(LBER_TAG_T,long)
		AC_DEFINE(LBER_SOCKET_T,int)
	fi
fi

AC_DEFINE(LBER_LEN_T,long)

dnl ----------------------------------------------------------------
dnl Checks for library functions.
AC_FUNC_MEMCMP
dnl AM_FUNC_MKTIME dnl checks for sys/time.h and unistd.h
AC_FUNC_STRFTIME
dnl AM_FUNC_STRTOD

OL_FUNC_INET_ATON

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
	dnl check for vsnprintf
	AC_CHECK_FUNCS(vsnprintf vsprintf)
fi

AC_CHECK_FUNCS(		\
	bcopy			\
	closesocket		\
	endgrent		\
	endpwent		\
	flock			\
	getdtablesize	\
	getgrgid		\
	gethostname		\
	getpass			\
	getpwuid		\
	getpwnam		\
	getspnam		\
	gettimeofday	\
	initgroups		\
	lockf			\
	memcpy			\
	memmove			\
	mkstemp			\
	pipe			\
	read			\
	recv			\
	recvfrom		\
	setpwfile		\
	setgid			\
	setegid			\
	setsid			\
	setuid			\
	seteuid			\
	sigaction		\
	signal			\
	sigset			\
	snprintf		\
	strdup			\
	strerror		\
	strpbrk			\
	strrchr			\
	strsep			\
	strstr			\
	strtol			\
	strtoul			\
	strspn			\
	sysconf			\
	waitpid			\
	wait4			\
	write			\
	send			\
	sendto			\
)

dnl We actually may need to replace more than this.
AC_REPLACE_FUNCS(getopt tempnam)

dnl ----------------------------------------------------------------
# Check Configuration
OL_SYS_ERRLIST

dnl ----------------------------------------------------------------
dnl Sort out defines

if test "$ol_enable_debug" != no ; then
	AC_DEFINE(LDAP_DEBUG,1,
		[define this to add debugging code])
fi
if test "$ol_enable_syslog" = yes ; then
	AC_DEFINE(LDAP_SYSLOG,1,
		[define this to add syslog code])
fi
if test "$ol_enable_libui" = yes ; then
	AC_DEFINE(LDAP_LIBUI,1,
		[define this for LDAP User Interface support])
fi
if test "$ol_enable_cache" = no ; then
	AC_DEFINE(LDAP_NOCACHE,1,
		[define this to remove -lldap cache support])
fi
if test "$ol_enable_dns" != no ; then
	AC_DEFINE(LDAP_API_FEATURE_X_OPENLDAP_V2_DNS,LDAP_VENDOR_VERSION)
fi
if test "$ol_enable_proctitle" != no ; then
	AC_DEFINE(LDAP_PROCTITLE,1,
		[define this for LDAP process title support])
fi
if test "$ol_enable_referrals" != no ; then
	AC_DEFINE(LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS,LDAP_VENDOR_VERSION)
fi
if test "$ol_enable_cldap" != no ; then
	AC_DEFINE(LDAP_CONNECTIONLESS,1,[define to support CLDAP])
fi

if test "$ol_enable_crypt" != no ; then
	AC_DEFINE(SLAPD_CRYPT,1,[define to support crypt(3) passwords])
fi
if test "$ol_enable_cleartext" != no ; then
	AC_DEFINE(SLAPD_CLEARTEXT,1,[define to support cleartext passwords])
fi
if test "$ol_enable_multimaster" != no ; then
	AC_DEFINE(SLAPD_MULTIMASTER,1,[define to support multimaster replication])
fi
if test "$ol_enable_phonetic" != no ; then
	AC_DEFINE(SLAPD_PHONETIC,1,[define to support phonetic])
fi
if test "$ol_enable_rlookups" != no ; then
	AC_DEFINE(SLAPD_RLOOKUPS,1,[define to support reverse lookups])
fi
if test "$ol_enable_aci" != no ; then
	AC_DEFINE(SLAPD_ACI_ENABLED,1,[define to support per-object ACIs])
fi
if test "$ol_enable_discreteaci" != no ; then
	AC_DEFINE(SLAPD_ACI_DISCRETE_RIGHTS,1,[define to support discrete rights in ACIs])
fi

if test "$ol_link_modules" != no ; then
	AC_DEFINE(SLAPD_MODULES,1,[define to support modules])
	BUILD_SLAPD=yes
	MODULES_LIBS=-lltdl
	SLAPD_MODULES_LDFLAGS="-dlopen self"
fi

if test "$ol_link_bdb2" != no ; then
	AC_DEFINE(SLAPD_BDB2,1,[define to support BDB2 backend])
	BUILD_SLAPD=yes
	BUILD_BDB2=yes
	if test "$ol_with_bdb2_module" != static ; then
		AC_DEFINE(SLAPD_BDB2_DYNAMIC,1,
			[define to support dynamic BDB2 backend])
		BUILD_BDB2=mod
		BUILD_BDB2_DYNAMIC=shared
		SLAPD_MODULES_LIST="$SLAPD_MODULES_LIST -dlopen \$(SLAP_DIR)back-bdb2/back_bdb2.la"
	fi
fi

if test "$ol_enable_ldap" != no ; then
	AC_DEFINE(SLAPD_LDAP,1,[define to support LDAP backend])
	BUILD_SLAPD=yes
	BUILD_LDAP=yes
	if test "$ol_with_ldap_module" != static ; then
		AC_DEFINE(SLAPD_LDAP_DYNAMIC,1,
			[define to support dynamic LDAP backend])
		BUILD_LDAP=mod
		BUILD_LDAP_DYNAMIC=shared
		SLAPD_MODULES_LIST="$SLAPD_MODULES_LIST -dlopen \$(SLAP_DIR)back-ldap/back_ldap.la"
	fi
fi

if test "$ol_link_ldbm" != no ; then
	AC_DEFINE(SLAPD_LDBM,1,[define to support LDBM backend])
	BUILD_SLAPD=yes
	BUILD_LDBM=yes
	if test "$ol_with_ldbm_module" != static ; then
		AC_DEFINE(SLAPD_LDBM_DYNAMIC,1,
			[define to support dynamic LDBM backend])
		BUILD_LDBM=mod
		BUILD_LDBM_DYNAMIC=shared
		SLAPD_MODULES_LIST="$SLAPD_MODULES_LIST -dlopen \$(SLAP_DIR)back-ldbm/back_ldbm.la"
	fi
fi

if test "$ol_enable_passwd" != no ; then
	AC_DEFINE(SLAPD_PASSWD,1,[define to support PASSWD backend])
	BUILD_SLAPD=yes
	BUILD_PASSWD=yes
	if test "$ol_with_passwd_module" != static ; then
		AC_DEFINE(SLAPD_PASSWD_DYNAMIC,1,
			[define to support dynamic PASSWD backend])
		BUILD_PASSWD=mod
		BUILD_PASSWD_DYNAMIC=shared
		SLAPD_MODULES_LIST="$SLAPD_MODULES_LIST -dlopen \$(SLAP_DIR)back-passwd/back_passwd.la"
	fi
fi

if test "$ol_link_perl" != no ; then
	AC_DEFINE(SLAPD_PERL,1,[define to support PERL backend])
	BUILD_SLAPD=yes
	BUILD_PERL=yes
	if test "$ol_with_perl_module" != static ; then
		AC_DEFINE(SLAPD_PERL_DYNAMIC,1,
			[define to support dynamic PERL backend])
		BUILD_PERL=mod
		BUILD_PERL_DYNAMIC=shared
		SLAPD_MODULES_LIST="$SLAPD_MODULES_LIST -dlopen \$(SLAP_DIR)back-perl/back_perl.la"
	fi
fi

if test "$ol_enable_shell" != no ; then
	AC_DEFINE(SLAPD_SHELL,1,[define to support SHELL backend])
	BUILD_SLAPD=yes
	BUILD_SHELL=yes
	if test "$ol_with_shell_module" != static ; then
		AC_DEFINE(SLAPD_SHELL_DYNAMIC,1,
			[define to support dynamic SHELL backend])
		BUILD_SHELL=mod
		BUILD_SHELL_DYNAMIC=shared
		SLAPD_MODULES_LIST="$SLAPD_MODULES_LIST -dlopen \$(SLAP_DIR)back-shell/back_shell.la"
	fi
fi

if test "$ol_enable_tcl" != no ; then
	AC_DEFINE(SLAPD_TCL,1,[define to support TCL backend])
	BUILD_SLAPD=yes
	BUILD_TCL=yes
	if test "$ol_with_tcl_module" != static; then
		AC_DEFINE(SLAPD_TCL_DYNAMIC,1,
			[define to support dynamic TCL backend])
		BUILD_TCL=mod
		BUILD_TCL_DYNAMIC=shared
		SLAPD_MODULES_LIST="$SLAPD_MODULES_LIST -dlopen \$(SLAP_DIR)back-tcl/back_tcl.la"
	fi
fi

if test "$ol_enable_slurpd" != no -a "$ol_link_threads" != no -a \
	$BUILD_SLAPD = yes ; then
	BUILD_SLURPD=yes
fi

if test "$ol_link_isode" != no ; then
	BUILD_LDAPD=yes
fi

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)
  AC_SUBST(BUILD_QUIPU)
  AC_SUBST(BUILD_SHELL)
  AC_SUBST(BUILD_TCL)
  AC_SUBST(BUILD_BDB2_DYNAMIC)
  AC_SUBST(BUILD_LDAP_DYNAMIC)
  AC_SUBST(BUILD_LDBM_DYNAMIC)
  AC_SUBST(BUILD_PASSWD_DYNAMIC)
  AC_SUBST(BUILD_PERL_DYNAMIC)
  AC_SUBST(BUILD_SHELL_DYNAMIC)
  AC_SUBST(BUILD_TCL_DYNAMIC)
AC_SUBST(BUILD_SLURPD)

AC_SUBST(LDAP_LIBS)
AC_SUBST(LDAPD_LIBS)
AC_SUBST(LDIF_LIBS)
AC_SUBST(SLAPD_LIBS)
AC_SUBST(SLURPD_LIBS)
AC_SUBST(LDBM_LIBS)
AC_SUBST(LTHREAD_LIBS)
AC_SUBST(LUTIL_LIBS)
AC_SUBST(WRAP_LIBS)
AC_SUBST(MOD_TCL_LIB)
AC_SUBST(LINK_BINS_DYNAMIC)

AC_SUBST(SLAPD_MODULES_CPPFLAGS)
AC_SUBST(SLAPD_MODULES_LDFLAGS)
AC_SUBST(SLAPD_MODULES_LIST)

AC_SUBST(PERL_CPPFLAGS)
AC_SUBST(SLAPD_PERL_LDFLAGS)
AC_SUBST(MOD_PERL_LDFLAGS)

AC_SUBST(KRB_LIBS)
AC_SUBST(READLINE_LIBS)
AC_SUBST(SASL_LIBS)
AC_SUBST(TERMCAP_LIBS)
AC_SUBST(TLS_LIBS)
AC_SUBST(MODULES_LIBS)

dnl ----------------------------------------------------------------
dnl final output
dnl

AC_OUTPUT( \
Makefile:build/top.mk:Makefile.in:build/dir.mk \
doc/Makefile:build/top.mk:doc/Makefile.in:build/dir.mk \
doc/man/Makefile:build/top.mk:doc/man/Makefile.in:build/dir.mk \
doc/man/man1/Makefile:build/top.mk:doc/man/man1/Makefile.in:build/man.mk \
doc/man/man3/Makefile:build/top.mk:doc/man/man3/Makefile.in:build/man.mk \
doc/man/man5/Makefile:build/top.mk:doc/man/man5/Makefile.in:build/man.mk \
doc/man/man8/Makefile:build/top.mk:doc/man/man8/Makefile.in:build/man.mk \
clients/Makefile:build/top.mk:clients/Makefile.in:build/dir.mk \
clients/finger/Makefile:build/top.mk:clients/finger/Makefile.in:build/rules.mk \
clients/fax500/Makefile:build/top.mk:clients/fax500/Makefile.in:build/rules.mk \
clients/gopher/Makefile:build/top.mk:clients/gopher/Makefile.in:build/rules.mk \
clients/mail500/Makefile:build/top.mk:clients/mail500/Makefile.in:build/rules.mk \
clients/rcpt500/Makefile:build/top.mk:clients/rcpt500/Makefile.in:build/rules.mk \
clients/ud/Makefile:build/top.mk:clients/ud/Makefile.in:build/rules.mk \
clients/tools/Makefile:build/top.mk:clients/tools/Makefile.in:build/rules.mk \
include/Makefile:build/top.mk:include/Makefile.in \
libraries/Makefile:build/top.mk:libraries/Makefile.in:build/dir.mk 	\
libraries/libavl/Makefile:build/top.mk:libraries/libavl/Makefile.in:build/lib.mk:build/lib-static.mk	\
libraries/liblber/Makefile:build/top.mk:libraries/liblber/Makefile.in:build/lib.mk:build/lib-shared.mk	\
libraries/libldap/Makefile:build/top.mk:libraries/libldap/Makefile.in:build/lib.mk:build/lib-shared.mk	\
libraries/libldap_r/Makefile:build/top.mk:libraries/libldap_r/Makefile.in:build/lib.mk:build/lib-shared.mk	\
libraries/libldbm/Makefile:build/top.mk:libraries/libldbm/Makefile.in:build/lib.mk:build/lib-static.mk	\
libraries/libldif/Makefile:build/top.mk:libraries/libldif/Makefile.in:build/lib.mk:build/lib-static.mk	\
libraries/liblutil/Makefile:build/top.mk:libraries/liblutil/Makefile.in:build/lib.mk:build/lib-static.mk	\
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/mod.mk \
servers/slapd/back-ldap/Makefile:build/top.mk:servers/slapd/back-ldap/Makefile.in:build/mod.mk \
servers/slapd/back-ldbm/Makefile:build/top.mk:servers/slapd/back-ldbm/Makefile.in:build/mod.mk \
servers/slapd/back-passwd/Makefile:build/top.mk:servers/slapd/back-passwd/Makefile.in:build/mod.mk \
servers/slapd/back-perl/Makefile:build/top.mk:servers/slapd/back-perl/Makefile.in:build/mod.mk \
servers/slapd/back-shell/Makefile:build/top.mk:servers/slapd/back-shell/Makefile.in:build/mod.mk \
servers/slapd/back-tcl/Makefile:build/top.mk:servers/slapd/back-tcl/Makefile.in:build/mod.mk \
servers/slapd/shell-backends/Makefile:build/top.mk:servers/slapd/shell-backends/Makefile.in:build/srv.mk \
servers/slapd/tools/Makefile:build/top.mk:servers/slapd/tools/Makefile.in \
servers/slurpd/Makefile:build/top.mk:servers/slurpd/Makefile.in:build/srv.mk \
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
])