optional_depends SYSTEM-LOGGER \
                 "--enable-syslog" \
                 "--disable-syslog" \
                 "for syslog support"

optional_depends openssl \
                 "--with-openssl" "" \
                 "to include OpenSSL support" &&

optional_depends zlib \
                 "--with-zlib" "" \
                 "for HTTP Content-Encoding support" &&

optional_depends readline \
                 "--with-readline" "" \
                 "for readline support for SQL monitor" &&

optional_depends MYSQL \
                 "--with-mysql" "" \
                 "to include MySQL support" &&

optional_depends postgresql \
                 "--with-pgsql" "" \
                 "to include PostgreSQL support" &&

optional_depends libiodbc \
                 "--with-iodbc" "" \
                 "to include iODBC support" &&

optional_depends unixodbc \
                 "--with-unixODBC" "" \
                 "to include unixODBC support" &&

optional_depends sqlite \
                 "--with-sqlite3" "" \
                 "to include SQLite3 support"
