On a freshly-installed 1.6 system (with full /usr/src, and the 
toolchain made with 'cd /usr/src; ./build.sh -t'), making 
security/racoon fails:

===> Configuring for racoon-20021120a
(cd /usr/pkgsrc/security/racoon/work/racoon-20021120a/racoon/../libipsec; make)
cc -O2 -g   -Werror  -DIPSEC_DEBUG -DIPSEC -DINET6 
-I/usr/pkgsrc/security/racoon/work/racoon-20021120a/libipsec   -c 
ipsec_dump_policy.c
cc -O2 -g   -Werror  -DIPSEC_DEBUG -DIPSEC -DINET6 
-I/usr/pkgsrc/security/racoon/work/racoon-20021120a/libipsec   -c 
ipsec_get_policylen.c
cc -O2 -g   -Werror  -DIPSEC_DEBUG -DIPSEC -DINET6 
-I/usr/pkgsrc/security/racoon/work/racoon-20021120a/libipsec   -c 
ipsec_strerror.c
cc -O2 -g   -Werror  -DIPSEC_DEBUG -DIPSEC -DINET6 
-I/usr/pkgsrc/security/racoon/work/racoon-20021120a/libipsec   -c 
key_debug.c
cc -O2 -g   -Werror  -DIPSEC_DEBUG -DIPSEC -DINET6 
-I/usr/pkgsrc/security/racoon/work/racoon-20021120a/libipsec   -c 
pfkey.c
cc -O2 -g   -Werror  -DIPSEC_DEBUG -DIPSEC -DINET6 
-I/usr/pkgsrc/security/racoon/work/racoon-20021120a/libipsec   -c 
pfkey_dump.c
yacc  -p__libyy -d -o policy_parse.c policy_parse.y
cc -O2 -g   -Werror  -DIPSEC_DEBUG -DIPSEC -DINET6 
-I/usr/pkgsrc/security/racoon/work/racoon-20021120a/libipsec   -c 
policy_parse.c
lex  -olex.yy.c -P__libyy -opolicy_token.c policy_token.l
cc -O2 -g   -Werror  -DIPSEC_DEBUG -DIPSEC -DINET6 
-I/usr/pkgsrc/security/racoon/work/racoon-20021120a/libipsec   -c 
policy_token.c
building standard ipsec library
ranlib libipsec.a
make: don't know how to make /usr/share/tmac/tmac.andoc. Stop

make: stopped in /usr/pkgsrc/security/racoon/work/racoon-20021120a/libipsec
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/security/racoon
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/security/racoon


Clues?