problem when install qmail+vpopmail+mysql+courier-imap on redhat 6.2??

[rom]

i want to setup webmail system on my server . now the smtp and pop3 service working well with qmail+vpopmail+mysql on redhat 6.2 ,and now i want to install IMP ,and it need courier-imap to be setup on the server . some error occure when i make the courier-imap .the error message are " Making install in authlib make[1]: Entering directory `/home/rom/qmail/courier-imap-1.2.1/authlib' gcc  -I/home/vpopmail/include -g -O2 -Wall -I.. -I./.. -L/home/vpopmail/lib  -o authvchkpw  modauthvchkpw.o libauthmod.a libauth.a ../md5/libmd5.a -lvpopmail -lm -lcrypt /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_open': /home/rom/qmail/vpopmail-4.9.4/vauth.c:59: undefined reference to `mysql_init' /home/rom/qmail/vpopmail-4.9.4/vauth.c:61: undefined reference to `mysql_real_connect' /home/rom/qmail/vpopmail-4.9.4/vauth.c:63: undefined reference to `mysql_real_connect' /home/rom/qmail/vpopmail-4.9.4/vauth.c:70: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:75: undefined reference to `mysql_store_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:76: undefined reference to `mysql_free_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:77: undefined reference to `mysql_select_db' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_adddomain_size': /home/rom/qmail/vpopmail-4.9.4/vauth.c:121: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:125: undefined reference to `mysql_store_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:126: undefined reference to `mysql_free_result' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_adduser_size': /home/rom/qmail/vpopmail-4.9.4/vauth.c:193: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:196: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:206: undefined reference to `mysql_store_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:207: undefined reference to `mysql_free_result' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_getpw_size': /home/rom/qmail/vpopmail-4.9.4/vauth.c:248: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:253: undefined reference to `mysql_store_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:268: undefined reference to `mysql_fetch_row' /home/rom/qmail/vpopmail-4.9.4/vauth.c:277: undefined reference to `mysql_free_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:280: undefined reference to `mysql_free_result' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_deldomain_size': /home/rom/qmail/vpopmail-4.9.4/vauth.c:304: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:307: undefined reference to `mysql_store_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:308: undefined reference to `mysql_free_result' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_deluser_size': /home/rom/qmail/vpopmail-4.9.4/vauth.c:337: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:341: undefined reference to `mysql_store_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:342: undefined reference to `mysql_free_result' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_setquota_size': /home/rom/qmail/vpopmail-4.9.4/vauth.c:368: undefined reference to `mysql_query' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_vpasswd_size': /home/rom/qmail/vpopmail-4.9.4/vauth.c:408: undefined reference to `mysql_query' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_getall_size': /home/rom/qmail/vpopmail-4.9.4/vauth.c:449: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:454: undefined reference to `mysql_use_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:466: undefined reference to `mysql_fetch_row' /home/rom/qmail/vpopmail-4.9.4/vauth.c:476: undefined reference to `mysql_free_result' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vauth_setpw_size': /home/rom/qmail/vpopmail-4.9.4/vauth.c:544: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:549: undefined reference to `mysql_store_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:550: undefined reference to `mysql_free_result' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vopen_smtp_relay': /home/rom/qmail/vpopmail-4.9.4/vauth.c:575: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:581: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:585: undefined reference to `mysql_store_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:586: undefined reference to `mysql_free_result' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vupdate_rules': /home/rom/qmail/vpopmail-4.9.4/vauth.c:593: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:596: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:601: undefined reference to `mysql_use_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:608: undefined reference to `mysql_fetch_row' /home/rom/qmail/vpopmail-4.9.4/vauth.c:609: undefined reference to `mysql_free_result' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vclear_open_smtp': /home/rom/qmail/vpopmail-4.9.4/vauth.c:622: undefined reference to `mysql_query' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vcreate_relay_table': /home/rom/qmail/vpopmail-4.9.4/vauth.c:631: undefined reference to `mysql_query' /home/rom/qmail/vpopmail-4.9.4/vauth.c:635: undefined reference to `mysql_store_result' /home/rom/qmail/vpopmail-4.9.4/vauth.c:636: undefined reference to `mysql_free_result' /home/vpopmail/lib/libvpopmail.a(vauth.o): In function `vclose': /home/rom/qmail/vpopmail-4.9.4/vauth.c:650: undefined reference to `mysql_close' collect2: ld returned 1 exit status make[1]: *** [authvchkpw] Error 1 make[1]: Leaving directory `/home/rom/qmail/courier-imap-1.2.1/authlib' make: *** [install-recursive] Error 1 " please help me!! i used rpm to installed the mysql vpopmail configure is ./configure --enable-default=test.com --enable-roaming-users --enable-hardquota=5242880 --enable-mysql=y --enable-logging=y --enable-large-site=y courier-imap configure is ./configure --enable-workarounds-for-imap-client-bugs wish can help u .