./compile qmail-smtpd.c
qmail-smtpd.c:32:22: vpopmail.h: No such file or directory
qmail-smtpd.c:33:19: vauth.h: No such file or directory
qmail-smtpd.c:34:29: vpopmail_config.h: No such file or directory
qmail-smtpd.c: In function `realrcpt_check':
qmail-smtpd.c:486: error: `DEFAULT_DOMAIN' undeclared (first use in this function)
qmail-smtpd.c:486: error: (Each undeclared identifier is reported only once
qmail-smtpd.c:486: error: for each function it appears in.)
qmail-smtpd.c:541: warning: assignment makes pointer from integer without a cast
qmail-smtpd.c:546: error: dereferencing pointer to incomplete type
qmail-smtpd.c:546: error: `BOUNCE_MAIL' undeclared (first use in this function)
qmail-smtpd.c:556: warning: comparison between pointer and integer
qmail-smtpd.c: In function `main':
qmail-smtpd.c:1450: warning: return type of `main' is not `int'
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/mail/qmail/work/qmail-1.03