--qmaildir=*) qmailhome=${arg#*=} ;;
    --with-qmailr-ids=*) qmailrids=${arg#*=} ;;
    --enable-qmail-install|--enable-qmail-install=yes) qmailinstall=true ;;
    --disable-qmail-install|--enable-qmail-install=no) qmailinstall=false ;;