configure.in

	AC_DEFINE(HAVE_YIELDING_SELECT,1)
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_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)

	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
	AC_CACHE_CHECK([for thread specific errno],
		[ol_cv_errno_thread_specific], [
		AC_TRY_LINK([
#include <errno.h>
			], [
int x = errno;
			],
			[ol_cv_errno_thread_specific=yes],
			[ol_cv_errno_thread_specific=no])
	])

	if test $ol_cv_errno_thread_specific != yes ; then
		LIBS="$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_COMIPLE 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 $LIBS"
dnl	AC_CHECK_FUNCS(	\
dnl		strtok_r \
dnl		gmtime_r \
dnl		gethostbyaddr_r gethostbyname_r \
dnl		feof_unlocked unlocked_feof \
dnl		putc_unlocked unlocked_putc \
dnl		flockfile ftrylockfile \
dnl	)
dnl	CPPFLAGS="$save_CPPFLAGS"
dnl	LIBS="$save_LIBS"
fi  

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

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)
	LTHREAD_LIBS=""
fi

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)
		else
			AC_DEFINE(LDBM_USE_DBBTREE,1)
		fi

		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
	ol_link_bdb2=yes
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)
		else
			AC_DEFINE(LDBM_USE_DBBTREE,1)
		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 = 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

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_CHECK_LIB(wrap, main,
			[have_wrappers=yes], [have_wrappers=no])
	fi

	if test $have_wrappers = yes ; then
		AC_DEFINE(HAVE_TCPD)
		SLAPD_LIBS="$SLAPD_LIBS -lwrap"
	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
	fi
fi

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

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

# 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)
		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)
		ol_link_termcap=yes
		TERMCAP_LIBS=-lncurses
	fi
fi

if test $ol_link_termcap = no ; then
	AC_DEFINE(NO_TERMCAP,1)
	TERMCAP_LIBS=
fi

# 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)
	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

# 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)
	fi
fi

dnl ----------------------------------------------------------------
dnl Checks for header files.
AC_HEADER_STDC

if test $ac_cv_header_stdc != yes; then
	AC_MSG_WARN([could not 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)
fi

AC_CHECK_HEADERS(	\
	crypt.h			\
	errno.h			\
	fcntl.h			\
	filio.h			\
	getopt.h		\
	libutil.h		\
	limits.h		\
	malloc.h		\
	memory.h		\
	regex.h			\
	psap.h			\
	pwd.h			\
	sgtty.h			\
	stdarg.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/socket.h	\
	sys/syslog.h	\
	sys/time.h		\
	sys/types.h		\
	syslog.h		\
	termios.h		\
	unistd.h		\
)

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
AC_STRUCT_ST_BLKSIZE
AC_HEADER_TIME
AC_STRUCT_TM

OL_C_UPPER_LOWER
AC_C_CONST
OL_C_VOLATILE

if test $cross_compiling = yes ; then
	AC_DEFINE(CROSS_COMPILING, 1)
else
	AC_C_BIGENDIAN
	AC_CHECK_SIZEOF(short) 
	AC_CHECK_SIZEOF(int) 
	AC_CHECK_SIZEOF(long)
fi

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
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			\
	flock			\
	getdtablesize	\
	gethostname		\
	getpwuid		\
	gettimeofday	\
	lockf			\
	memcpy			\
	memmove			\
	mkstemp			\
	select			\
	setpwfile		\
	setsid			\
	signal			\
	sigset			\
	snprintf		\
	socket			\
	strdup			\
	strerror		\
	strpbrk			\
	strrchr			\
	strsep			\
	strstr			\
	strtok			\
	strtol			\
	strtoul			\
	strspn			\
	sysconf			\
	waitpid			\
)

# these functions are required to build a thread_safe -lldap
AC_CHECK_FUNCS(		\
	strtok_r		\
	ctime_r			\
	gethostbyaddr_r \
	gethostbyname_r	\
)

if test "$ac_cv_func_ctime_r" = yes ; then
	OL_FUNC_CTIME_R_NARGS
else
	ol_cv_func_ctime_r=0
fi

if test "$ac_cv_func_strtok_r" = yes \
	-a "$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 "$ac_cv_func_gethostbyaddr_r" = yes \
	-a "$ac_cv_func_gethostbyname_r" = yes \
	; then

	AC_DEFINE(LDAP_API_FEATURE_X_OPENLDAP_REENTRANT, 1)
fi

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

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 "$ol_enable_debug" != no ; then
	AC_DEFINE(LDAP_DEBUG,1)
fi
if test "$ol_enable_syslog" = yes ; then
	AC_DEFINE(LDAP_SYSLOG,1)
fi
if test "$ol_enable_libui" = yes ; then
	AC_DEFINE(LDAP_LIBUI,1)
fi
if test "$ol_enable_cache" = no ; then
	AC_DEFINE(LDAP_NOCACHE,1)
fi
if test "$ol_enable_dns" != no ; then
	AC_DEFINE(LDAP_API_FEATURE_X_OPENLDAP_V2_DNS,LDAP_VENDOR_VERSION,1)
fi
if test "$ol_enable_proctitle" != no ; then
	AC_DEFINE(LDAP_PROCTITLE,1)
fi
if test "$ol_enable_referrals" != no ; then
	AC_DEFINE(LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS,LDAP_VENDOR_VERSION,1)
fi
if test "$ol_enable_cldap" != no ; then
	AC_DEFINE(LDAP_CONNECTIONLESS,1)
fi

if test "$ol_enable_aclgroups" != no ; then
	AC_DEFINE(SLAPD_ACLGROUPS,1)
fi
if test "$ol_enable_crypt" != no ; then
	AC_DEFINE(SLAPD_CRYPT,1)
fi
if test "$ol_enable_cleartext" != no ; then
	AC_DEFINE(SLAPD_CLEARTEXT,1)
fi
if test "$ol_enable_phonetic" != no ; then
	AC_DEFINE(SLAPD_PHONETIC,1)
fi
if test "$ol_enable_rlookups" != no ; then
	AC_DEFINE(SLAPD_RLOOKUPS,1)
fi

if test "$ol_link_bdb2" != no ; then
	AC_DEFINE(SLAPD_BDB2,1)
	BUILD_SLAPD=yes
	BUILD_BDB2=yes
fi

if test "$ol_link_ldbm" != no ; then
	AC_DEFINE(SLAPD_LDBM,1)
	BUILD_SLAPD=yes
	BUILD_LDBM=yes
fi

if test "$ol_enable_passwd" != no ; then
	AC_DEFINE(SLAPD_PASSWD,1)
	BUILD_SLAPD=yes
	BUILD_PASSWD=yes
fi

if test "$ol_enable_perl" != no ; then
	AC_DEFINE(SLAPD_PERL,1)
	BUILD_SLAPD=yes
	BUILD_PERL=yes
fi

if test "$ol_enable_shell" != no ; then
	AC_DEFINE(SLAPD_SHELL,1)
	BUILD_SLAPD=yes
	BUILD_SHELL=yes
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_LDBM)
  AC_SUBST(BUILD_PASSWD)
  AC_SUBST(BUILD_PERL)
  AC_SUBST(BUILD_SHELL)
AC_SUBST(BUILD_SLURPD)

AC_SUBST(LDAP_LIBS)
AC_SUBST(LDAPD_LIBS)
AC_SUBST(SLAPD_LIBS)
AC_SUBST(SLURPD_LIBS)
AC_SUBST(LDBM_LIBS)
AC_SUBST(LTHREAD_LIBS)
AC_SUBST(LUTIL_LIBS)

AC_SUBST(SLAPD_PERL_CPPFLAGS)
AC_SUBST(SLAPD_PERL_LDFLAGS)

AC_SUBST(KRB_LIBS)
AC_SUBST(TERMCAP_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-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 \
servers/slapd/back-shell/Makefile:build/top.mk:servers/slapd/back-shell/Makefile.in:build/srv.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 \
,[
date > stamp-h
echo Please \"make depend\" to build dependencies
])