optional_depends %KERBEROS "--enable-krb5" "--disable-krb5" "for network security support"

optional_depends gnutls   "--with-gnutls"  "--without-gnutls"  "for TLS support"
optional_depends %OSSL    "--with-openssl" "--without-openssl" "for openssl support"
optional_depends unixODBC "--with-unixodbc=/usr" "" "for ODBC support"
