5.3 升級到 5.4 出現問題 - BBS

5.3 升級到 5.4 時
make buildworld的時候

出現以下的錯誤訊息
===> etc/sendmail
find: /usr/local/share/sendmail/cf: No such file or directory
"/usr/src/etc/sendmail/Makefile", line 14: warning: "find /usr/local/share/sendmail/cf -type f -name '*.m4' -print" returned non-zero status
rm -f freebsd.cf
m4 -D_CF_DIR_=/usr/local/share/sendmail/cf/ /usr/local/share/sendmail/cf/m4/cf.m4 /usr/src/etc/sendmail/freebsd.mc > freebsd.cf
m4: /usr/local/share/sendmail/cf/m4/cf.m4: No such file or directory
*** Error code 1

請問我該怎麼解決呢><

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