在freebsd上安裝squid make時出現問題

tcllxy

俺是新手，剛剛轉學freebsd,正在嘗試安裝squd,請問一下這個錯誤是什麼原因吶

%make install
Making install in lib...
gcc -g -O2 -Wall -I../include -I../include -c util.c
util.c:77: error: conflicting types for 'sys_nerr'
/usr/include/stdio.h:348: error: previous declaration of 'sys_nerr' was here
util.c:77: error: conflicting types for 'sys_nerr'
/usr/include/stdio.h:348: error: previous declaration of 'sys_nerr' was here
*** Error code 1

Stop in /usr/local/squid/src/squid-2.3.STABLE4/lib.
*** Error code 1

Stop in /usr/local/squid/src/squid-2.3.STABLE4.
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