configure.in

# Copyright (C) 1998, 1999, 2000  Internet Software Consortium.
# 
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
# 
# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
# ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
# CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
# PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
# SOFTWARE.

AC_REVISION($Revision: 1.105 $)

AC_PREREQ(2.13)

AC_INIT(lib/dns/name.c)
AC_CONFIG_HEADER(config.h)

AC_CANONICAL_HOST

AC_PROG_MAKE_SET
AC_PROG_RANLIB
AC_PROG_INSTALL

STD_CINCLUDES=""
STD_CDEFINES=""
STD_CWARNINGS=""
AC_SUBST(STD_CINCLUDES)
AC_SUBST(STD_CDEFINES)
AC_SUBST(STD_CWARNINGS)

AC_PATH_PROG(AR, ar)
ARFLAGS="cruv"
AC_SUBST(AR)
AC_SUBST(ARFLAGS)

AC_PATH_PROGS(ETAGS, etags emacs-etags)
AC_SUBST(ETAGS)

#
# Special processing of paths depending on whether --prefix,
# --sysconfdir or --localstatedir arguments were given.  What's
# desired is some compatability with the way previous versions
# of BIND built; they defaulted to /usr/local for most parts of
# the installation, but named.boot/named.conf was in /etc
# and named.pid was in /var/run.
#
# So ... if none of --prefix, --sysconfdir or --localstatedir are
# specified, set things up that way.  If --prefix is given, use
# it for sysconfdir and localstatedir the way configure normally
# would.  To change the prefix for everything but leave named.conf
# in /etc or named.pid in /var/run, then do this the usual configure way:
# ./configure --prefix=/somewhere --sysconfdir=/etc
# ./configure --prefix=/somewhere --localstatedir=/var
#
# To put named.conf and named.pid in /usr/local with everything else,
# set the prefix explicitly to /usr/local even though that's the default:
# ./configure --prefix=/usr/local
#
case "$prefix" in
        NONE)
                case "$sysconfdir" in
                        '${prefix}/etc')
                                sysconfdir=/etc
                                ;;
                esac
                case "$localstatedir" in
                        '${prefix}/var')
                                localstatedir=/var
                                ;;
                esac
                ;;
esac

#
# Make sure INSTALL uses an absolute path, else it will be wrong in all
# Makefiles, since they use make/rules.in and INSTALL will be adjusted by
# configure based on the location of the file where it is substituted.
# Since in BIND9 INSTALL is only substituted into make/rules.in, an immediate
# subdirectory of install-sh, This relative path will be wrong for all
# directories more than one level down from install-sh.
#
case "$INSTALL" in
	/*)
                ;;
        *)
                #
                # Not all systems have dirname.
                #
                changequote({, })
                ac_dir="`echo $INSTALL | sed 's%/[^/]*$%%'`"
                changequote([, ])

                ac_prog="`echo $INSTALL | sed 's%.*/%%'`"
                test "$ac_dir" = "$ac_prog" && ac_dir=.
                test -d "$ac_dir" && ac_dir="`(cd \"$ac_dir\" && pwd)`"
                INSTALL="$ac_dir/$ac_prog"
                ;;
esac

#
# On these hosts, we really want to use cc, not gcc, even if it is
# found.  The gcc that these systems have will not correctly handle
# pthreads.
#
# However, if the user sets $CC to be something, let that override
# our change.
#
if test "X$CC" = "X" ; then
	case "$host" in
		*-dec-osf*)
			CC="cc"
			;;
		*-solaris*)
                        # Use Sun's cc if it is available, but watch
                        # out for /usr/ucb/cc; it will never be the right
                        # compiler to use.
                        #
                        # If setting CC here fails, the AC_PROG_CC done
                        # below might still find gcc.
			IFS="${IFS=	}"; ac_save_ifs="$IFS"; IFS=":"
			for ac_dir in $PATH; do
				test -z "$ac_dir" && ac_dir=.
				case "$ac_dir" in
				/usr/ucb)
					# exclude
					;;
				*)
					if test -f "$ac_dir/cc"; then
						CC="$ac_dir/cc"
						break
					fi
					;;
				esac
			done
			IFS="$ac_save_ifs"
			;;
		*-hp-hpux*)
			CC="cc"
			;;
		mips-sgi-irix*)
			CC="cc"
			;;
	esac
fi

#
# NetBSD has two alternative pthreads implementations.  Make the 
# user choose one by saying --with-mit-pthreads or --with-ptl2
# if necessary.
#
case "$host" in
  *-netbsd*)
	CC="gcc"
	AC_MSG_CHECKING(which thread library to use)

	AC_ARG_WITH(mit-pthreads, 
	    [  --with-mit-pthreads	use the mit-pthreads thread library],
	    use_mit_pthreads="$withval", use_mit_pthreads="no")
	
	AC_ARG_WITH(ptl2,
	    [  --with-ptl2		use the ptl2 thread library],
	    use_ptl2="$withval", use_ptl2="no")

        : ${LOCALBASE:=/usr/pkg}

        # If user did not choose a thread library explicitly,
        # try to choose one automatically.  This will work when
	# exactly one library is installed.

	case "$use_mit_pthreads+$use_ptl2" in
		no+no)
			if test -d $LOCALBASE/pthreads
			then
				use_mit_pthreads="yes"
			fi
			if test -d $LOCALBASE/PTL
			then
				use_ptl2="yes"
			fi
			;;
        esac

	case "$use_mit_pthreads+$use_ptl2" in
		yes+no)
			AC_MSG_RESULT(mit-pthreads)
			pkg="$LOCALBASE/pthreads"
			lib1="-L$pkg/lib -Wl,-R$pkg/lib"
			lib2="-lpthread -lm -lgcc -lpthread"
			LIBS="$lib1 $lib2 $LIBS"
			CPPFLAGS="-I$pkg/include $CPPFLAGS"
			STD_CINCLUDES="-I$pkg/include"
			;;
		no+yes)
			AC_MSG_RESULT(PTL2)
#			pkg="$LOCALBASE/PTL"
#			LIBS="-L$LOCALBASE/lib -lPTL $LIBS"
#			STD_CINCLUDES="-nostdinc -idirafter $pkg/include"
			CC=ptlgcc
			;;
		*)
			AC_MSG_ERROR([no thread library.

Please choose a thread library using one of 

   configure --with-mit-pthreads
   configure --with-ptl2
])
			;;
		esac
		;;
esac

AC_PROG_CC
AC_PROG_YACC

AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h sys/time.h unistd.h sys/sockio.h netinet6/in6.h)

#
# HAVE_NETINET6_IN6_H needs to go in platform.h.
#
case "$ac_cv_header_netinet6_in6_h" in
yes)
	ISC_PLATFORM_HAVENETINET6IN6H="#define ISC_PLATFORM_HAVENETINET6IN6H 1"
	LWRES_PLATFORM_HAVENETINET6IN6H="#define LWRES_PLATFORM_HAVENETINET6IN6H 1"
	;;
no)
	ISC_PLATFORM_HAVENETINET6IN6H="#undef ISC_PLATFORM_HAVENETINET6IN6H"
	LWRES_PLATFORM_HAVENETINET6IN6H="#undef LWRES_PLATFORM_HAVENETINET6IN6H"
	;;
esac
AC_SUBST(ISC_PLATFORM_HAVENETINET6IN6H)
AC_SUBST(LWRES_PLATFORM_HAVENETINET6IN6H)

AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_HEADER_TIME

AC_CHECK_LIB(pthread, pthread_create,,
             AC_CHECK_LIB(pthread, __pthread_create)
             AC_CHECK_LIB(pthread, __pthread_create_system)
)

#
# We'd like to use sigwait() too
#
AC_CHECK_LIB(c, sigwait,
	     AC_DEFINE(HAVE_SIGWAIT),
             AC_CHECK_LIB(pthread, sigwait,
			  AC_DEFINE(HAVE_SIGWAIT),
			  AC_CHECK_LIB(pthread, _Psigwait,
				       AC_DEFINE(HAVE_SIGWAIT),))
)

#
# Additional OS-specific issues related to pthreads.
#
case "$host" in
        #
        # One more place to look for sigwait.
        #
	*-freebsd*)
		AC_CHECK_LIB(c_r, sigwait, AC_DEFINE(HAVE_SIGWAIT),)
		;;
        #
        # BSDI 3.1 through 4.0.1 needs pthread_init() to be called before
        # certain pthreads calls.  This is deprecated in BSD/OS 4.1.
        #
	*-bsdi3.1*|*-bsdi4.0*)
		AC_DEFINE(NEED_PTHREAD_INIT)
		;;
        #
        # LinuxThreads requires some changes to the way we deal with signals.
        #
	*-linux*)
		AC_DEFINE(HAVE_LINUXTHREADS)
		;;
        #
        # Ensure the right sigwait() semantics on Solaris.
        #
	*-solaris*)
		AC_DEFINE(_POSIX_PTHREAD_SEMANTICS)
		;;
esac

#
# NLS
#
AC_CHECK_FUNC(catgets, AC_DEFINE(HAVE_CATGETS),)

#
# -lxnet buys us one big porting headache...  standards, gotta love 'em.
#
# AC_CHECK_LIB(xnet, socket, ,
#    AC_CHECK_LIB(socket, socket)
#    AC_CHECK_LIB(nsl, inet_ntoa)
# )
#
# Use this for now, instead:
#
case "$host" in
	mips-sgi-irix*)
		;;
	*)
		AC_CHECK_LIB(socket, socket)
		AC_CHECK_LIB(nsl, inet_ntoa)
		;;
esac

MKDEPCC="$CC"
MKDEPCFLAGS="-M"
if test "X$GCC" = "Xyes"; then
	STD_CWARNINGS="$STD_CWARNINGS -W -Wall -Wmissing-prototypes"
	case "$host" in
		*-freebsd*)
			CC="$CC -pthread"
			STD_CDEFINES="$STD_CDEFINES -D_THREAD_SAFE"
			;;
		*-openbsd*)
			CC="$CC -pthread"
			;;
		*-solaris*)
			LIBS="$LIBS -lthread"
			;;
	esac
else
	case "$host" in
		*-dec-osf*)
			CC="$CC -std -pthread"
			MKDEPCC="$CC"
			;;
		*-solaris*)
			CC="$CC -mt"
			MKDEPCC="$CC"
			MKDEPCFLAGS="-xM"
			;;
		*-hp-hpux*)
			CC="$CC -Ae -z +w1"
			MKDEPPROG='cc -Ae -E -Wp,-M >/dev/null 2>>$TMP'
			;;
	esac
fi
AC_SUBST(MKDEPCC)
AC_SUBST(MKDEPCFLAGS)
AC_SUBST(MKDEPPROG)

#
# Networking specifics.
#
case "$host" in
	*-dec-osf*)
		# Turn on 4.4BSD style sa_len support.
		AC_DEFINE(_SOCKADDR_LEN)
		;;
esac

#
# Look for a 4.4BSD-style sa_len member in struct sockaddr.
#
AC_MSG_CHECKING(for sa_len in struct sockaddr)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>],
[struct sockaddr sa; sa.sa_len = 0; return (0);],
	[AC_MSG_RESULT(yes)
	ISC_PLATFORM_HAVESALEN="#define ISC_PLATFORM_HAVESALEN 1"
	LWRES_PLATFORM_HAVESALEN="#define LWRES_PLATFORM_HAVESALEN 1"],
	[AC_MSG_RESULT(no)
	ISC_PLATFORM_HAVESALEN="#undef ISC_PLATFORM_HAVESALEN"
	LWRES_PLATFORM_HAVESALEN="#undef LWRES_PLATFORM_HAVESALEN"])
AC_SUBST(ISC_PLATFORM_HAVESALEN)
AC_SUBST(LWRES_PLATFORM_HAVESALEN)

#
# Look for a 4.4BSD or 4.3BSD struct msghdr
#
AC_MSG_CHECKING(for struct msghdr flavor)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>],
[struct msghdr msg; msg.msg_flags = 0; return (0);],
	[AC_MSG_RESULT(4.4BSD)
	ISC_PLATFORM_MSGHDRFLAVOR="#define ISC_NET_BSD44MSGHDR 1"],
	[AC_MSG_RESULT(4.3BSD)
	ISC_PLATFORM_MSGHDRFLAVOR="#define ISC_NET_BSD43MSGHDR 1"])
AC_SUBST(ISC_PLATFORM_MSGHDRFLAVOR)

#
# Look for in_port_t.
#
AC_MSG_CHECKING(for type in_port_t)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <netinet/in.h>],
[in_port_t port = 25; return (0);],
	[AC_MSG_RESULT(yes)
	ISC_PLATFORM_NEEDPORTT="#undef ISC_PLATFORM_NEEDPORTT"],
        [AC_MSG_RESULT(no)
	ISC_PLATFORM_NEEDPORTT="#define ISC_PLATFORM_NEEDPORTT 1"])
AC_SUBST(ISC_PLATFORM_NEEDPORTT)

#
# Check for addrinfo
#
AC_MSG_CHECKING(for struct addrinfo)
AC_TRY_COMPILE([
#include <netdb.h>],
[struct addrinfo a; return (0);],
	[AC_MSG_RESULT(yes)
	ISC_LWRES_NEEDADDRINFO="#undef ISC_LWRES_NEEDADDRINFO"],
	[AC_MSG_RESULT(no)
	ISC_LWRES_NEEDADDRINFO="#define ISC_LWRES_NEEDADDRINFO 1"])
AC_SUBST(ISC_LWRES_NEEDADDRINFO)

AC_MSG_CHECKING(for int sethostent)
AC_TRY_COMPILE([
#include <netdb.h>],
[int i = sethostent(0); return(0);],
	[AC_MSG_RESULT(yes)
	ISC_LWRES_SETHOSTENTINT="#define ISC_LWRES_SETHOSTENTINT 1"],
	[AC_MSG_RESULT(no)
	ISC_LWRES_SETHOSTENTINT="#undef ISC_LWRES_SETHOSTENTINT"])
AC_SUBST(ISC_LWRES_SETHOSTENTINT)

AC_MSG_CHECKING(for int endhostent)
AC_TRY_COMPILE([
#include <netdb.h>],
[int i = endhostent(); return(0);],
	[AC_MSG_RESULT(yes)
	ISC_LWRES_ENDHOSTENTINT="#define ISC_LWRES_ENDHOSTENTINT 1"],
	[AC_MSG_RESULT(no)
	ISC_LWRES_ENDHOSTENTINT="#undef ISC_LWRES_ENDHOSTENTINT"])
AC_SUBST(ISC_LWRES_ENDHOSTENTINT)

AC_MSG_CHECKING(for getnetbyaddr(in_addr_t, ...))
AC_TRY_COMPILE([
#include <netdb.h>
struct netent *getnetbyaddr(in_addr_t, int);],
[],
	[AC_MSG_RESULT(yes)
	ISC_LWRES_GETNETBYADDRINADDR="#define ISC_LWRES_GETNETBYADDRINADDR 1"],
	[AC_MSG_RESULT(no)
	ISC_LWRES_GETNETBYADDRINADDR="#undef ISC_LWRES_GETNETBYADDRINADDR"])
AC_SUBST(ISC_LWRES_GETNETBYADDRINADDR)

AC_MSG_CHECKING(for int setnetent)
AC_TRY_COMPILE([
#include <netdb.h>],
[int i = setnetent(0); return(0);],
	[AC_MSG_RESULT(yes)
	ISC_LWRES_SETNETENTINT="#define ISC_LWRES_SETNETENTINT 1"],
	[AC_MSG_RESULT(no)
	ISC_LWRES_SETNETENTINT="#undef ISC_LWRES_SETNETENTINT"])
AC_SUBST(ISC_LWRES_SETNETENTINT)

AC_MSG_CHECKING(for int endnetent)
AC_TRY_COMPILE([
#include <netdb.h>],
[int i = endnetent(); return(0);],
	[AC_MSG_RESULT(yes)
	ISC_LWRES_ENDNETENTINT="#define ISC_LWRES_ENDNETENTINT 1"],
	[AC_MSG_RESULT(no)
	ISC_LWRES_ENDNETENTINT="#undef ISC_LWRES_ENDNETENTINT"])
AC_SUBST(ISC_LWRES_ENDNETENTINT)

AC_MSG_CHECKING(for gethostbyadd(const void *, size_t, ...))
AC_TRY_COMPILE([
#include <netdb.h>
struct hostent *gethostbyaddr(const void *, size_t, int);],
[return(0);],
	[AC_MSG_RESULT(yes)
	ISC_LWRES_GETHOSTBYADDRVOID="#define ISC_LWRES_GETHOSTBYADDRVOID 1"],
	[AC_MSG_RESULT(no)
	ISC_LWRES_GETHOSTBYADDRVOID="#undef ISC_LWRES_GETHOSTBYADDRVOID"])
AC_SUBST(ISC_LWRES_GETHOSTBYADDRVOID)

AC_MSG_CHECKING(for h_errno in netdb.h)
AC_TRY_COMPILE([
#include <netdb.h>],
[h_errno = 1; return(0);],
	[AC_MSG_RESULT(yes)
	ISC_LWRES_NEEDHERRNO="#undef ISC_LWRES_NEEDHERRNO"],
	[AC_MSG_RESULT(no)
	ISC_LWRES_NEEDHERRNO="#define ISC_LWRES_NEEDHERRNO 1"])
AC_SUBST(ISC_LWRES_NEEDHERRNO)

AC_CHECK_FUNC(getipnodebyname,
        [ISC_LWRES_GETIPNODEPROTO="#undef ISC_LWRES_GETIPNODEPROTO"],
        [ISC_LWRES_GETIPNODEPROTO="#define ISC_LWRES_GETIPNODEPROTO 1"])
AC_CHECK_FUNC(getnameinfo,
        [ISC_LWRES_GETNAMEINFOPROTO="#undef ISC_LWRES_GETNAMEINFOPROTO"],
        [ISC_LWRES_GETNAMEINFOPROTO="#define ISC_LWRES_GETNAMEINFOPROTO 1"])
AC_CHECK_FUNC(getaddrinfo,
        [ISC_LWRES_GETADDRINFOPROTO="#undef ISC_LWRES_GETADDRINFOPROTO"],
        [ISC_LWRES_GETADDRINFOPROTO="#define ISC_LWRES_GETADDRINFOPROTO 1"])
AC_SUBST(ISC_LWRES_GETIPNODEPROTO)
AC_SUBST(ISC_LWRES_GETADDRINFOPROTO)
AC_SUBST(ISC_LWRES_GETNAMEINFOPROTO)

#
# Look for a sysctl call to get the list of network interfaces.
#
AC_MSG_CHECKING(for interface list sysctl)
AC_EGREP_CPP(found_rt_iflist, [
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/socket.h>
#ifdef NET_RT_IFLIST
found_rt_iflist
#endif
],
	[AC_MSG_RESULT(yes)
	 AC_DEFINE(HAVE_IFLIST_SYSCTL)],
	[AC_MSG_RESULT(no)])

#
# GNU libtool support
#
AC_ARG_WITH(libtool,
	    [  --with-libtool	use GNU libtool],
	    use_libtool="$withval", use_libtool="no")

case $use_libtool in
	yes)
		AM_PROG_LIBTOOL
		O=lo
		A=la
		;;
	*)
		O=o
		A=a
		LIBTOOL=
		AC_SUBST(LIBTOOL)
		;;
esac

# File name extension for static archive files, for those few places
# where they are treated differently from dynamic ones.
SA=a

AC_SUBST(O)
AC_SUBST(A)
AC_SUBST(SA)

#
# IPv6
#
AC_ARG_ENABLE(ipv6,
	[  --enable-ipv6		use IPv6 [default=autodetect]])

#
# We do the IPv6 compilation checking after libtool so that we can put
# the right suffix on the files.
#
case "$enable_ipv6" in
	yes|''|autodetect)
		AC_MSG_CHECKING(for IPv6 structures)
		AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>],
		[struct sockaddr_in6 sin6; return (0);],
			[AC_MSG_RESULT(yes)
			 found_ipv6=yes],
			[AC_MSG_RESULT(no)
			 found_ipv6=no])
		;;
	no)
		found_ipv6=no
		;;
esac

case "$found_ipv6" in
	yes)
		ISC_PLATFORM_HAVEIPV6="#define ISC_PLATFORM_HAVEIPV6 1"
		LWRES_PLATFORM_HAVEIPV6="#define LWRES_PLATFORM_HAVEIPV6 1"
		;;
	no)
		ISC_PLATFORM_HAVEIPV6="#undef ISC_PLATFORM_HAVEIPV6"
		LWRES_PLATFORM_HAVEIPV6="#undef LWRES_PLATFORM_HAVEIPV6"
		ISC_IPV6_H="ipv6.h"
		ISC_IPV6_O="ipv6.$O"
		ISC_ISCIPV6_O="unix/ipv6.$O"
		ISC_IPV6_C="ipv6.c"
		;;
esac

AC_SUBST(ISC_PLATFORM_HAVEIPV6)
AC_SUBST(LWRES_PLATFORM_HAVEIPV6)
AC_SUBST(ISC_IPV6_H)
AC_SUBST(ISC_IPV6_O)
AC_SUBST(ISC_ISCIPV6_O)
AC_SUBST(ISC_IPV6_C)

#
# IPv6 support provided via Kame
#
AC_MSG_CHECKING(for Kame IPv6 support)
AC_ARG_WITH(kame,
	[  --with-kame[=PATH]	use Kame IPv6 [default path /usr/local/v6]],
	use_kame="$withval", use_kame="no")

case "$use_kame" in
	no)
		;;
	yes)
		kame_path=/usr/local/v6
		;;
	*)
		kame_path="$use_kame"
		;;
esac

case "$use_kame" in
	no)
		AC_MSG_RESULT(no)
		;;
	*)
		if test -f $kame_path/lib/libinet6.a; then
			AC_MSG_RESULT($kame_path/lib/libinet6.a)
			LIBS="-L$kame_path/lib -linet6 $LIBS"
		else
			AC_MSG_ERROR([$kame_path/lib/libinet6.a not found.

Please choose the proper path with the following command:

    configure --with-kame=PATH
])
		fi
		;;
esac


#
# Check for network functions that are often missing.  We do this
# after the libtool checking, so we can put the right suffix on
# the files.
#
AC_CHECK_FUNC(inet_ntop,
	      [ISC_PLATFORM_NEEDNTOP="#undef ISC_PLATFORM_NEEDNTOP"],
	      [ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_ntop.$O"
	       ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS inet_ntop.c"
	       ISC_PLATFORM_NEEDNTOP="#define ISC_PLATFORM_NEEDNTOP 1"]
)
AC_CHECK_FUNC(inet_pton,
	      [ISC_PLATFORM_NEEDPTON="#undef ISC_PLATFORM_NEEDPTON"],
	      [ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_pton.$O"
	       ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS inet_pton.c"
	       ISC_PLATFORM_NEEDPTON="#define ISC_PLATFORM_NEEDPTON 1"]
)
AC_CHECK_FUNC(inet_aton,
	      [ISC_PLATFORM_NEEDATON="#undef ISC_PLATFORM_NEEDATON"],
	      [ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_aton.$O"
	       ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS inet_aton.c"
	       ISC_PLATFORM_NEEDATON="#define ISC_PLATFORM_NEEDATON 1"]
)
AC_CHECK_FUNC(strsep,
	[ISC_PLATFORM_NEEDSTRSEP="#undef ISC_PLATFORM_NEEDSTRSEP"],
	[ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS strsep.$O"
	 ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS strsep.c"
	 ISC_PLATFORM_NEEDSTRSEP="#define ISC_PLATFORM_NEEDSTRSEP 1"])
AC_CHECK_FUNC(vsnprintf,
	[ISC_PLATFORM_NEEDVSNPRINTF="#undef ISC_PLATFORM_NEEDVSNPRINTF"],
	[ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS print.$O"
	 ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS print.c"
	 ISC_PLATFORM_NEEDVSNPRINTF="#define ISC_PLATFORM_NEEDVSNPRINTF 1"])
AC_SUBST(ISC_PLATFORM_NEEDNTOP)
AC_SUBST(ISC_PLATFORM_NEEDPTON)
AC_SUBST(ISC_PLATFORM_NEEDATON)
AC_SUBST(ISC_PLATFORM_NEEDSTRSEP)
AC_SUBST(ISC_PLATFORM_NEEDVSNPRINTF)
AC_SUBST(ISC_EXTRA_OBJS)
AC_SUBST(ISC_EXTRA_SRCS)
AC_MSG_CHECKING(for sizeof(long long int) == sizeof(long int))
AC_TRY_RUN([main() { exit(!(sizeof(long long int) == sizeof(long int))); }],
	[AC_MSG_RESULT(yes)
	ISC_PLATFORM_LONGLONGEQUALLONG="#define ISC_PLATFORM_LONGLONGEQUALLONG 1"],
	[AC_MSG_RESULT(no)
	ISC_PLATFORM_LONGLONGEQUALLONG="#undef ISC_PLATFORM_LONGLONGEQUALLONG"],
	[AC_MSG_RESULT(default yes)
	ISC_PLATFORM_LONGLONGEQUALLONG="#define ISC_PLATFORM_LONGLONGEQUALLONG 1"])
AC_SUBST(ISC_PLATFORM_LONGLONGEQUALLONG)

#
# Security Stuff
#
AC_CHECK_FUNC(chroot, AC_DEFINE(HAVE_CHROOT))
AC_CHECK_HEADERS(linux/capability.h)


#
# Substitutions
#
AC_SUBST(BIND9_TOP_BUILDDIR)
BIND9_TOP_BUILDDIR=`pwd`

AC_SUBST(BIND9_ISC_BUILDINCLUDE)
AC_SUBST(BIND9_DNS_BUILDINCLUDE)
AC_SUBST(BIND9_OMAPI_BUILDINCLUDE)
AC_SUBST(BIND9_LWRES_BUILDINCLUDE)
if test "X$srcdir" != "X"; then
	BIND9_ISC_BUILDINCLUDE="-I${BIND9_TOP_BUILDDIR}/lib/isc/include"
	BIND9_DNS_BUILDINCLUDE="-I${BIND9_TOP_BUILDDIR}/lib/dns/include"
	BIND9_OMAPI_BUILDINCLUDE="-I${BIND9_TOP_BUILDDIR}/lib/omapi/include"
	BIND9_LWRES_BUILDINCLUDE="-I${BIND9_TOP_BUILDDIR}/lib/lwres/include"
else
	BIND9_ISC_BUILDINCLUDE=""
	BIND9_DNS_BUILDINCLUDE=""
	BIND9_OMAPI_BUILDINCLUDE=""
	BIND9_LWRES_BUILDINCLUDE=""
fi

AC_SUBST_FILE(BIND9_INCLUDES)
BIND9_INCLUDES=$BIND9_TOP_BUILDDIR/make/includes

AC_SUBST_FILE(BIND9_MAKE_RULES)
BIND9_MAKE_RULES=$BIND9_TOP_BUILDDIR/make/rules

AC_SUBST_FILE(BIND9_VERSION)
BIND9_VERSION=$srcdir/version

AC_SUBST_FILE(LIBISC_API)
LIBISC_API=$srcdir/lib/isc/api

AC_SUBST_FILE(LIBDNS_API)
LIBDNS_API=$srcdir/lib/dns/api

AC_SUBST_FILE(LIBLWRES_API)
LIBLWRES_API=$srcdir/lib/lwres/api

AC_SUBST_FILE(LIBOMAPI_API)
LIBOMAPI_API=$srcdir/lib/omapi/api

AC_OUTPUT(
	make/rules
	make/includes
	Makefile
	make/Makefile
	make/mkdep
	lib/Makefile
	lib/isc/Makefile
	lib/isc/include/Makefile
	lib/isc/include/isc/Makefile
	lib/isc/include/isc/platform.h
	lib/isc/unix/Makefile
	lib/isc/unix/include/Makefile
	lib/isc/unix/include/isc/Makefile
	lib/isc/nls/Makefile
	lib/isc/pthreads/Makefile
	lib/isc/pthreads/include/Makefile
	lib/isc/pthreads/include/isc/Makefile
	lib/dns/Makefile
	lib/dns/include/Makefile
	lib/dns/include/dns/Makefile
	lib/dns/sec/Makefile
	lib/dns/sec/openssl/Makefile
	lib/dns/sec/openssl/include/Makefile
	lib/dns/sec/openssl/include/openssl/Makefile
	lib/dns/sec/dnssafe/Makefile
	lib/dns/sec/dst/Makefile
	lib/dns/sec/dst/include/Makefile
	lib/dns/sec/dst/include/dst/Makefile
	lib/dns/config/Makefile
	lib/lwres/Makefile
	lib/lwres/include/Makefile
	lib/lwres/include/lwres/Makefile
	lib/lwres/include/lwres/netdb.h
	lib/lwres/include/lwres/platform.h
	lib/omapi/Makefile
	lib/omapi/include/Makefile
	lib/omapi/include/omapi/Makefile
	lib/tests/Makefile
	lib/tests/include/Makefile
	lib/tests/include/tests/Makefile
	bin/Makefile
	bin/named/Makefile
	bin/named/unix/Makefile
	bin/lwresd/Makefile
	bin/rndc/Makefile
	bin/tests/Makefile
	bin/tests/names/Makefile
	bin/tests/master/Makefile
	bin/tests/rbt/Makefile
	bin/tests/db/Makefile
	bin/tests/tasks/Makefile
	bin/tests/timers/Makefile
	bin/tests/dst/Makefile
	bin/tests/mem/Makefile
	bin/tests/sockaddr/Makefile
)