make bsdtar failled

[wsk]

cd /usr/src/usr.bin/tar;make
and get the follow errors
cc -O -pipe -Wsystem-headers -Werror -Wall -Wno-format-y2k -W
-Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type
-Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align
-Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -c
/usr/src/usr.bin/tar/write.c
/usr/src/usr.bin/tar/write.c: In function `record_hardlink':
/usr/src/usr.bin/tar/write.c:810: warning: implicit declaration of
function `archive_entry_copy_hardlink'
*** Error code 1

Stop in /usr/src/usr.bin/tar.