qmail安装imap服务器时出错，请高手指点！！！

那些花儿

服务器系统是redhat as4 ,qmail的smtp和pop3全部正常，收发个也正常，在安装imap的时候，出错，请高手指点!!!
#./configure --prefix=/usr/local --exec-prefix=/usr/local --with-authvchkpw --without-authldap --without-authmysql --disable-root-check --with-ssl --with-authchange  pwdir=/usr/local/libexec/authlib --with-redhat --with-stdheaderdir
configure没有问题，但在make的时候出错！
#make
出错信息是
uthvchkpw.c: In function `auth_vchkpw_changepass':
authvchkpw.c:142: warning: passing arg 1 of `parse_email' discards qualifiers from pointer target type
Compiling authvchkpwlib.c
Compiling preauthvchkpw.c
preauthvchkpw.c: In function `auth_vchkpw_pre':
preauthvchkpw.c:67: warning: passing arg 1 of `parse_email' discards qualifiers from pointer target type
preauthvchkpw.c:141: warning: passing arg 3 of `vset_lastauth' discards qualifiers from pointer target type
Linking libauthvchkpw.la
/usr/bin/ld: /home/vpopmail/lib/libvpopmail.a(vpopmail.o): relocation R_X86_64_32S against `a local symbol' can not be used when making a shared object; recompile with -fPIC
/home/vpopmail/lib/libvpopmail.a: could not read symbols: Bad value
collect2: ld returned 1 exit status
make[2]: *** [libauthvchkpw.la] Error 1
make[2]: Leaving directory `/home/pkg/courier-authlib-0.58'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/pkg/courier-authlib-0.58'
make: *** [all] Error 2


注：我的服务器CPU是DELL的em64t的，as4也是64位的！！！