Compiling authvchkpw.c
authvchkpw.c: In function 'auth_vchkpw':
authvchkpw.c:86: warning: implicit declaration of function 'auth_vchkpw_login'
authvchkpw.c: At top level:
authvchkpw.c:103: error: static declaration of 'auth_vchkpw_login' follows non-static declaration
authvchkpw.c:86: error: previous implicit declaration of 'auth_vchkpw_login' was here
authvchkpw.c: In function 'auth_vchkpw_changepass':
authvchkpw.c:184: warning: passing argument 1 of 'parse_email' discards qualifiers from pointer target type
make[2]: *** [authvchkpw.lo] Error 1
make[2]: Leaving directory `/var/Fabio/QMAIL/qmailsource/courier-authlib-0.59.3'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/Fabio/QMAIL/qmailsource/courier-authlib-0.59.3'
make: *** [all] Error 2