How can i fix this error on FreeBSD 8.1;
pfSense# ./build_iso.sh
>>> Using /usr/home/pfsense/tools/builder_scripts/remove.list.iso.8 ...
>>> Updating system clock...
18 Feb 10:08:17 ntpdate[2632]: step time server 188.124.15.163 offset -3.867920 sec
>>> Operation ./build_iso.sh has started at Sat Feb 18 10:08:17 EET 2012
>>> Building /usr/ports/sysutils/cdrtools ...gmake[2]: Entering directory `/usr/ports/sysutils/cdrtools/work/cdrtools-3.00/inc'
cc -O2 -pipe -fno-strict-aliasing -DSCHILY_BUILD -IOBJ/i386-freebsd-cc -I../incs/i386-freebsd-cc -I../include -I/usr/local/include -I/usr/local/include -D__OPRINTF__ i386 -c -o OBJ/i386-freebsd-cc/align_test.o align_test.c
cc: i386: No such file or directory
gmake[2]: *** [OBJ/i386-freebsd-cc/align_test.o] Error 1
gmake[2]: Leaving directory `/usr/ports/sysutils/cdrtools/work/cdrtools-3.00/inc'
==> MAKING "all" ON SUBCOMPONENT "SRCROOT/inc/avoffset.mk"
gmake[2]: Entering directory `/usr/ports/sysutils/cdrtools/work/cdrtools-3.00/inc'
--
gmake[2]: Entering directory `/usr/ports/sysutils/cdrtools/work/cdrtools-3.00/inc'
cc -O2 -pipe -fno-strict-aliasing -DSCHILY_BUILD -IOBJ/i386-freebsd-cc -I../incs/i386-freebsd-cc -I../include -I/usr/local/include -I/usr/local/include -DUSE_SCANSTACK -D__OPRINTF__ i386 -c -o OBJ/i386-freebsd-cc/avoffset.o avoffset.c
cc: i386: No such file or directory
gmake[2]: *** [OBJ/i386-freebsd-cc/avoffset.o] Error 1
gmake[2]: Leaving directory `/usr/ports/sysutils/cdrtools/work/cdrtools-3.00/inc'
gmake[1]: *** [all] Error 2
gmake[1]: Leaving directory `/usr/ports/sysutils/cdrtools/work/cdrtools-3.00/inc'
==> MAKING "all" ON SUBDIRECTORY "SRCROOT/include"
gmake[1]: Entering directory `/usr/ports/sysutils/cdrtools/work/cdrtools-3.00/include'
--
cc -M -DSCHILY_BUILD -IOBJ/i386-freebsd-cc -I../incs/i386-freebsd-cc -I../include -I/usr/local/include -I/usr/local/include -Istdio -DUSE_SCANSTACK -DPORT_ONLY setfp.c \
| sed -e 's;^\(.*\)\.o[ ]*:;OBJ/i386-freebsd-cc/\1.o \1.d:;' > OBJ/i386-freebsd-cc/setfp.d
In file included from setfp.c:21:
../include/schily/avoffset.h:52:23: error: avoffset.h: No such file or directory
cc -M -DSCHILY_BUILD -IOBJ/i386-freebsd-cc -I../incs/i386-freebsd-cc -I../include -I/usr/local/include -I/usr/local/include -Istdio -DUSE_SCANSTACK -DPORT_ONLY seterrno.c \
| sed -e 's;^\(.*\)\.o[ ]*:;OBJ/i386-freebsd-cc/\1.o \1.d:;' > OBJ/i386-freebsd-cc/seterrno.d
cc -M -DSCHILY_BUILD -IOBJ/i386-freebsd-cc -I../incs/i386-freebsd-cc -I../include -I/usr/local/include -I/usr/local/include -Istdio -DUSE_SCANSTACK -DPORT_ONLY serrmsg.c \
.....
my pfsense-building.conf;
export FREEBSD_VERSION=8
export FREEBSD_BRANCH=RELENG_8_1
export PFSENSETAG=RELENG_2_0
export PFSPATCHFILE=/usr/home/pfsense/tools/builder_scripts/../builder_scripts/patches.RELENG_8_1
export PFSPATCHDIR=/usr/home/pfsense/tools/builder_scripts/../patches/RELENG_8_1
export SUPFILE=/usr/home/pfsense/tools/builder_scripts/../builder_scripts/RELENG_8_1-supfile
export CUSTOM_COPY_LIST=/usr/home/pfsense/tools/builder_scripts/../builder_scripts/copy.list.RELEN
# Comment out the following line if you would like to automatically select an update server.
export OVERRIDE_FREEBSD_CVSUP_HOST=cvsup18.freebsd.org
export BASE_DIR=/usr/home/pfsense/tools/builder_scripts/../..
export BUILDER_TOOLS=/usr/home/pfsense/tools/builder_scripts/..
export BUILDER_SCRIPTS=/usr/home/pfsense/tools/builder_scripts
export EXTRA_DEVICES=siba_bwn,bwn,run
export PFSPORTSFILE=buildports.RELENG_2_0
#export PFSENSE_WITH_FULL_GIT_CHECKOUT="true"
thank you for your help..