HEAD [r313048] WITHOUT_INET6: tcpdump build failure

Hello,

Please take a look HEAD [r313048] - buildworld failed for IPv4-only system (WITHOUT_INET6):

cc -target x86_64-unknown-freebsd12.0 --sysroot=/export/freebsd/obj/export/freebsd/src/tmp -B/export/freebsd/obj/export/freebsd/src/tmp/usr/bin  -O2 -pipe   -I/export/freebsd/sr
c/usr.bin/ftp -I/export/freebsd/src/usr.bin/ftp/../../contrib/tnftp -DNDEBUG -MD  -MF.depend.util.o -MTutil.o -std=gnu99 -fstack-protector-strong -Wsystem-headers -Wall -Wno-for
mat-y2k -Wno-uninitialized -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int -Wno-unused-const-variable -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equalit
y -Wno-unused-function -Wno-enum-conversion -Wno-unused-local-typedef -Wno-switch -Wno-switch-enum -Wno-knr-promoted-parameter  -Qunused-arguments  -c /export/freebsd/src/usr.bi
n/ftp/../../contrib/tnftp/src/util.c -o util.o
--- all_subdir_usr.sbin ---
print-ip6.o: In function `ip6_print':
/export/freebsd/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/print-ip6.c:(.text+0x4c6): undefined reference to `hbhopt_print'
/export/freebsd/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/print-ip6.c:(.text+0x4d9): undefined reference to `rt6_print'
/export/freebsd/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/print-ip6.c:(.text+0x530): undefined reference to `dstopt_print'
/export/freebsd/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/print-ip6.c:(.text+0x574): undefined reference to `frag6_print'
/export/freebsd/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/print-ip6.c:(.text+0x60b): undefined reference to `mobility_print'
/export/freebsd/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/print-ip6.c:(.text+0x6ba): undefined reference to `icmp6_print'
/export/freebsd/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/print-ip6.c:(.text+0x6da): undefined reference to `ospf6_print'
print-udp.o: In function `udp_print':
/export/freebsd/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/print-udp.c:(.text+0x13e0): undefined reference to `ripng_print'
/export/freebsd/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/print-udp.c:(.text+0x13ff): undefined reference to `dhcp6_print'
/export/freebsd/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/print-udp.c:(.text+0x143d): undefined reference to `babel_print'
cc: error: linker command failed with exit code 1 (use -v to see invocation)
*** [tcpdump] Error code 1

make[5]: stopped in /export/freebsd/src/usr.sbin/tcpdump/tcpdump
1 error

Thank you!

Alex Deiter
alex.deiter_at_gmail.com