You're missing the ruby development headers. If this is a Debian based system, or Ubuntu, you need to install the ruby1.8-dev package (and libmysqlclient15-dev for mysql itself).
Regards,
Jochem Kossen
You're missing the ruby development headers. If this is a Debian based system, or Ubuntu, you need to install the ruby1.8-dev package (and libmysqlclient15-dev for mysql itself).
Regards,
Jochem Kossen