what you are doing and are sure about installing a forbidden port, then
.Va NO_IGNORE
lets you do it.
.It Va PORT_DBDIR
Directory where the results of configuring
.Va OPTIONS
are stored.
Defaults to
.Pa /var/db/ports .
Each port where
have been configured will have a uniquely named sub-directory, containing a
single file
.Pa options .
.El
.Sh FILES
.Bl -tag -width ".Pa /usr/ports/Mk/bsd.port.mk" -compact