"rlm_sql_mysql.so" where do I locate this file and its associated files for CentOS to run freeRadius and MySQL

Hi, I am trying to build a radius with free radius 2.0.0 using MySql 4.1.2and I am getting the following errors rlm_sql (sql): Could not link driver rlm_sql_mysql: rlm_sql_mysql.so: cannot open shared object file: No such file or directory rlm_sql (sql): Make sure it (and all its dependent libraries!) are in the search path of your system's ld. /usr/local/etc/raddb/sql.conf[22]: Instantiation failed for module "sql" /usr/local/etc/raddb/sites-enabled/default[124]: Failed to find module "sql". /usr/local/etc/raddb/sites-enabled/default[34]: Errors parsing authorize section. where do I locate this file With Regards Elangbam Johnson