安装vpopmail问题

wozaibeijing

make
make  all-recursive
make[1]: Entering directory `/home/mm/vpopmail-5.2.1'
Making all in cdb
make[2]: Entering directory `/home/mm/vpopmail-5.2.1/cdb'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/home/mm/vpopmail-5.2.1/cdb'
make[2]: Entering directory `/home/mm/vpopmail-5.2.1'
gcc -I. -I/usr/local/mysql/include/mysql      -g -O2 -Wall -c vauth.c
In file included from vauth.c:32:
vmysql.h:53:22: warning: multi-line string literals are deprecated
gcc -I. -I/usr/local/mysql/include/mysql      -g -O2 -Wall -c file_lock.c
gcc -I. -I/usr/local/mysql/include/mysql      -g -O2 -Wall -c vpalias.c
rm -f libvpopmail.a
ar cru libvpopmail.a vpopmail.o md5.o bigdir.o vauth.o file_lock.o vpalias.o cd/*.o
ranlib libvpopmail.a
gcc -I. -I/usr/local/mysql/include/mysql      -g -O2 -Wall -c vchkpw.c
gcc  -g -O2 -Wall  -o vchkpw  vchkpw.o libvpopmail.a -L/usr/lib/mysql  -lmysqlcient -lz -lnsl -lcrypt -lz -lm
/usr/bin/ld: cannot find -lz
collect2: ld returned 1 exit status
make[2]: *** [vchkpw] Error 1
make[2]: Leaving directory `/home/mm/vpopmail-5.2.1'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/mm/vpopmail-5.2.1'
make: *** [all-recursive-am] Error 2


./configure  中不加mysql的选项就可以过，请指教，谢谢。