diff --git a/bind-9.5-dlz-64bit.patch b/bind-9.5-dlz-64bit.patch
new file mode 100644
index 0000000..8e267e7
--- /dev/null
+++ b/bind-9.5-dlz-64bit.patch
@@ -0,0 +1,84 @@
+diff -up bind-9.5.0a5/contrib/dlz/config.dlz.in.64bit bind-9.5.0a5/contrib/dlz/config.dlz.in
+--- bind-9.5.0a5/contrib/dlz/config.dlz.in.64bit	2006-06-07 04:21:50.000000000 +0200
++++ bind-9.5.0a5/contrib/dlz/config.dlz.in	2007-07-23 11:18:54.000000000 +0200
+@@ -17,6 +17,13 @@
+ #
+ dlzdir='${DLZ_DRIVER_DIR}'
+ 
++AC_MSG_CHECKING([for target libdir])
++AC_RUN_IFELSE([int main(void) {exit((sizeof(void *) == 8) ? 0 : 1);}],
++	[target_lib=lib64],
++	[target_lib=lib],
++)
++AC_MSG_RESULT(["$target_lib"])
++
+ #
+ # Private autoconf macro to simplify configuring drivers:
+ #
+@@ -83,7 +90,7 @@ then
+ 		if test -f $d/include/libpq-fe.h
+ 		then
+ 			use_dlz_postgres=$d/include
+-			use_dlz_postgres_lib=$d/lib
++			use_dlz_postgres_lib=$d/${target_lib}
+ 			break
+ 		fi
+ 	done
+@@ -151,10 +158,10 @@ case "$use_dlz_mysql" in
+ 	*)
+ 		DLZ_ADD_DRIVER(MYSQL, dlz_mysql_driver,
+ 				[-I$use_dlz_mysql/include/mysql],
+-				[-L$use_dlz_mysql/lib/mysql -lmysqlclient -lz -lcrypt -lm])
++				[-L$use_dlz_mysql/${target_lib}/mysql -lmysqlclient -lz -lcrypt -lm])
+ 
+ 		AC_MSG_RESULT(
+-[using mysql from $use_dlz_mysql/lib/mysql and $use_dlz_mysql/include/mysql])
++[using mysql from $use_dlz_mysql/${target_lib}/mysql and $use_dlz_mysql/include/mysql])
+ 		;;
+ esac
+ 
+@@ -232,11 +239,11 @@ case "$use_dlz_bdb" in
+ 			bdb_libnames="db42 db-4.2 db41 db-4.1 db"
+ 			for d in $bdb_libnames
+ 			do
+-				if test -f "$dd/lib/lib${d}.so"
++				if test -f "$dd/${target_lib}/lib${d}.so"
+ 				then
+ 					if test "$dd" != "/usr"
+ 					then
+-						dlz_bdb_libs="-L${dd}/lib "
++						dlz_bdb_libs="-L${dd}/${target_lib} "
+ 					else
+ 						dlz_bdb_libs=""
+ 					fi
+@@ -341,10 +348,10 @@ case "$use_dlz_ldap" in
+ 	*)
+ 		DLZ_ADD_DRIVER(LDAP, dlz_ldap_driver,
+ 				[-I$use_dlz_ldap/include],
+-				[-L$use_dlz_ldap/lib -lldap -llber])
++				[-L$use_dlz_ldap/${target_lib} -lldap -llber])
+ 
+ 		AC_MSG_RESULT(
+-[using LDAP from $use_dlz_ldap/lib and $use_dlz_ldap/include])
++[using LDAP from $use_dlz_ldap/${target_lib} and $use_dlz_ldap/include])
+ 		;;
+ esac
+ 
+@@ -365,7 +372,7 @@ then
+ 	odbcdirs="/usr /usr/local /usr/pkg"
+ 	for d in $odbcdirs
+ 	do
+-		if test -f $d/include/sql.h -a -f $d/lib/libodbc.a
++		if test -f $d/include/sql.h -a -f $d/${target_lib}/libodbc.a
+ 		then
+ 			use_dlz_odbc=$d
+ 			break
+@@ -385,7 +392,7 @@ case "$use_dlz_odbc" in
+ 	*)
+ 		DLZ_ADD_DRIVER(ODBC, dlz_odbc_driver,
+ 				[-I$use_dlz_odbc/include],
+-				[-L$use_dlz_odbc/lib -lodbc])
++				[-L$use_dlz_odbc/${target_lib} -lodbc])
+ 
+ 		AC_MSG_RESULT([using ODBC from $use_dlz_odbc])
+ 		;;
diff --git a/bind.spec b/bind.spec
index a6ab66e..0e16d21 100644
--- a/bind.spec
+++ b/bind.spec
@@ -18,7 +18,7 @@ Summary: 	The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) serv
 Name: 		bind
 License: 	BSD-like
 Version: 	9.5.0a5
-Release: 	4%{?dist}
+Release: 	4.1%{?dist}
 Epoch:   	31
 Url: 		http://www.isc.org/products/BIND/
 Buildroot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
@@ -59,6 +59,7 @@ Patch63:	bind-9.4.0-dnssec-directory.patch
 Patch69:	bind-9.5.0-generate-xml.patch
 Patch70:	bind-9.5.0-errno-init.patch
 Patch71:	bind-9.5-overflow.patch
+Patch72:	bind-9.5-dlz-64bit.patch
 
 # SDB patches
 Patch11: 	bind-9.3.2b2-sdbsrc.patch
@@ -82,10 +83,8 @@ Requires:	bind-libs = %{epoch}:%{version}-%{release}, glibc  >= 2.2, mktemp
 Requires(post): grep, chkconfig >= 1.3.26
 Requires(pre): 	shadow-utils
 Requires(preun):chkconfig >= 1.3.26
-Obsoletes: bind-config
-Provides:  bind-config
-Obsoletes: caching-nameserver
-Provides:  caching-nameserver
+Obsoletes: bind-config, caching-nameserver, bind-sdb
+Provides:  bind-config, caching-nameserver, bind-sdb
 %if %{selinux}
 Requires(post):	policycoreutils
 %endif
@@ -241,6 +240,7 @@ popd
 %patch65 -p1 -b .idn
 %patch70 -p1 -b .errno-init
 %patch71 -p1 -b .overflow
+%patch72 -p1 -b .64bit
 :;
 
 
@@ -403,7 +403,7 @@ for f in my.internal.zone.db slaves/my.slave.internal.zone.db slaves/my.ddns.int
   echo '@ in soa localhost. root 1 3H 15M 1W 1D
   ns localhost.' > sample/var/named/$f; 
 done
-/usr/bin/tail -n '+'`/bin/egrep -n '\\$Id: bind.spec,v 1.196 2007/07/20 12:53:34 atkac Exp $/+1/' | bc` bin/rndc/rndc.conf | sed '/Sample rndc configuration file./{p;i\
+/usr/bin/tail -n '+'`/bin/egrep -n '\\$Id: bind.spec,v 1.197 2007/07/23 14:27:48 atkac Exp $/+1/' | bc` bin/rndc/rndc.conf | sed '/Sample rndc configuration file./{p;i\
  *\
  * NOTE: you only need to create this file if it is to\
  * differ from the following default contents:
@@ -682,6 +682,9 @@ rm -rf ${RPM_BUILD_ROOT}
 %{_sbindir}/bind-chroot-admin
 
 %changelog
+* Mon Jul 21 2007 Adam Tkac <atkac redhat com> 31:9.5.0a5-4.1.fc8
+- fixed DLZ drivers building on 64bit systems
+
 * Fri Jul 20 2007 Adam Tkac <atkac redhat com> 31:9.5.0a5-4.fc8
 - fixed relation between logrotated and chroot-ed named