At the moment of this writing there is no MySQL for Mac OS X 10.8, instead use the MySql for 10.7.

When trying to open a connection via Perl the system complains about dylib not being installed in the right place.

su root
find / -name "libmysqlclient.18.dylib" -print 
cp /usr/local/mysql-5.6.14-osx10.7-x86_64/lib/libmysqlclient.18.dylib /usr/lib