See all these links, run ldd ...

See perl DBD mysql undefined symbol is_prefix

https://www.centos.org/modules/newbb/viewtopic.php?topic_id=31306&forum=38# www.centos.org - Forums - CentOS 5 - Application & Software Support - SOLVED mysql DBD install woes

http://stackoverflow.com/questions/1279939/how-do-i-fix-symbol-not-found-is-prefix-when-compiling-perls-dbdmysql

Bugzilla install error: undefined symbol: mysql_init

http://forums.mysql.com/read.php?51,72223,72223# MySQL :: errors making DBD::mysql on AIX 5.2