libmyodbc on this system is not usable with MariaDB MySQL compatibility layer (MariaDB-compat) due to relocation error. This can be demonstrated with isql or iusql utilities from unixODBC package (unixODBC64 will do as well):
This assumes following sample odbc configuration:
This was done on CentOS 5 x64 machine with MariaDB 10.0, but same issues were observed with MariaDB 5.5. Also this most probably happens on other architectures and RedHat el5, maybe on RedHat/CentOS 6 as well.