MySQL + vpopmail problem

[Chad]

gcc  -g -O2  -o qmailadmin  qmailadmin.o alias.o autorespond.o forward.o  mailinglist.o sysadmin.o user.o util.o auth.o template.o command.o  show.o cgi.o limits.o dotqmail.o -L/vpopmail/lib -lvpopmail -lm -lcrypt /vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_open': /home/chad/vpopmail-4.9.4/vauth.c:59: undefined reference to `mysql_init' /home/chad/vpopmail-4.9.4/vauth.c:61: undefined reference to `mysql_real_connect' /home/chad/vpopmail-4.9.4/vauth.c:63: undefined reference to `mysql_real_connect' /home/chad/vpopmail-4.9.4/vauth.c:70: undefined reference to `mysql_query' /home/chad/vpopmail-4.9.4/vauth.c:75: undefined reference to `mysql_store_result' /home/chad/vpopmail-4.9.4/vauth.c:76: undefined reference to `mysql_free_result' /home/chad/vpopmail-4.9.4/vauth.c:77: undefined reference to `mysql_select_db' /vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_adddomain_size': /home/chad/vpopmail-4.9.4/vauth.c(.text+0x1b6): undefined reference to `mysql_query' /home/chad/vpopmail-4.9.4/vauth.c(.text+0x1e9): undefined reference to `mysql_store_result' /home/chad/vpopmail-4.9.4/vauth.c(.text+0x1f7): undefined reference to `mysql_free_result' /vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_adduser_size':   vadddomain adds domains to MySQL etc.   How would I fix this?