Yesterday evening, a friend of mine had some issues with installing DBD::mysql, and asked if I had encountered the same issue. The problem, as the output from "make test" showed, was that certain symbols was missing:# Tried to use 'DBD::mysql'.# Error: Can't load '/Users/westerlund/src/perl/DBD-mysql-4.008/blib/arch/auto/DBD/mysql/mysql.bundle' for module DBD::mysql: dlopen(/Users/westerlund/src/perl/DBD-mysql-4.008/blib/arch/auto/DBD/mysql/mysql.bundle, 2): Symbol not found: _is_prefixFair enough, this is related to a 64-bit issue with MySQL---at least with my Perl version, which is now: Summary of my perl5 (revision 5 version 10 subversion 0) configuration: Platform: osname=darwin, osvers=9.5.0, archname=darwin-thread-multi-64int-2levelIf you try to link to a x86_64 version of MySQL, then you get the above mentioned error. So, I downloaded an x86 version of MySQL and tried again. The output from  []