BIND9 build error

[James]

Hello! I am in need of assistance with a build problem. the port i am 
building is bind9. the system is 10.3 with macports 1.70. here is the 
terminal output i get:

sandbox:~ james$ sudo port -d build bind9
DEBUG: Found port in 
file:///opt/local/var/macports/sources/rsync.macports.org/release/ports/net/bind9 
<http://rsync.macports.org/release/ports/net/bind9>
DEBUG: Changing to port directory: 
/opt/local/var/macports/sources/rsync.macports.org/release/ports/net/bind9 
<http://rsync.macports.org/release/ports/net/bind9>
DEBUG: Found port in 
file:///opt/local/var/macports/sources/rsync.macports.org/release/ports/devel/openssl 
<http://rsync.macports.org/release/ports/devel/openssl>
DEBUG: Changing to port directory: 
/opt/local/var/macports/sources/rsync.macports.org/release/ports/devel/openssl 
<http://rsync.macports.org/release/ports/devel/openssl>
DEBUG: Searching for dependency: openssl
DEBUG: Found Dependency: receipt exists for openssl
--->  Building bind9
Error: Target org.macports.build returned: shell command " cd 
"/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_net_bind9/work/bind-9.6.0-P1" 
&& make all " returned error 2
Command output: making all in 
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_net_bind9/work/bind-9.6.0-P1/make
making all in 
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_net_bind9/work/bind-9.6.0-P1/lib
making all in 
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_net_bind9/work/bind-9.6.0-P1/lib/isc
making all in 
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_net_bind9/work/bind-9.6.0-P1/lib/isc/include
making all in 
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_net_bind9/work/bind-9.6.0-P1/lib/isc/include/isc
making all in 
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_net_bind9/work/bind-9.6.0-P1/lib/isc/unix
making all in 
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_net_bind9/work/bind-9.6.0-P1/lib/isc/unix/include
making all in 
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_net_bind9/work/bind-9.6.0-P1/lib/isc/unix/include/isc
/usr/bin/gcc-3.3  
-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_net_bind9/work/bind-9.6.0-P1 
-I./include -I./../pthreads/include -I../include -I./../include -I./..  
-D_REENTRANT   -O2 -I/usr/include/libxml2  -W -Wall -Wmissing-prototypes 
-Wcast-qual -Wwrite-strings -Wformat -Wpointer-arith 
-fno-strict-aliasing  -c app.c
In file included from ../include/isc/task.h:87,
                 from app.c:46:
../include/isc/xml.h:32:30: libxml/xmlwriter.h: No such file or directory
In file included from app.c:46:
../include/isc/task.h:618: error: parse error before "xmlTextWriterPtr"
make[3]: *** [app.o] Error 1
make[2]: *** [subdirs] Error 1
make[1]: *** [subdirs] Error 1
make: *** [subdirs] Error 1

Error: Status 1 encountered during processing.

Any ideas what i am doing wrong?
-skunkmeadow