~$ perl -v

This is perl 5, version 16, subversion 0 (v5.16.0) built for darwin-2level
##</code><code>##

~$ mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 48
Server version: 5.5.28 MySQL Community Server (GPL)

Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.

mysql> exit
Bye

##</code><code>##

~$ sudo cpan DBD::mysql
Password:
CPAN: Storable loaded ok (v2.34
Reading '/Users/7stud/.cpan/Metadata'
  Database was generated on Sat, 05 Jan 2013 19:06:47 GMT
CPAN: YAML loaded ok (v0.84)
Reading 34 yaml files from /Users/7stud/.cpan/build/
CPAN: Time::HiRes loaded ok (v1.9725)
..................DONE
Restored the state of none (in 0.5013 secs)
Running install for module 'DBD::mysql'
Running make for C/CA/CAPTTOFU/DBD-mysql-4.022.tar.gz
  Has already been unwrapped into directory /Users/7stud/.cpan/build/DBD-mysql-4.022-LOppYe
CPAN: Parse::CPAN::Meta loaded ok (v1.4402)
CPAN: CPAN::Meta loaded ok (v2.120630)
CPAN: Module::CoreList loaded ok (v2.79)
  Has already been made
Running make test
PERL_DL_NONLAZY=1 /Users/7stud/perl5/perlbrew/perls/perl-5.16.0/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
t/00base.t .................. 1/6 
#   Failed test 'use DBD::mysql;'
#   at t/00base.t line 21.
#     Tried to use 'DBD::mysql'.
#     Error:  Can't load '/Users/7stud/.cpan/build/DBD-mysql-4.022-LOppYe/blib/arch/auto/DBD/mysql/mysql.bundle' for module DBD::mysql: dlopen(/Users/7stud/.cpan/build/DBD-mysql-4.022-LOppYe/blib/arch/auto/DBD/mysql/mysql.bundle, 2): Library not loaded: libmysqlclient.18.dylib
#   Referenced from: /Users/7stud/.cpan/build/DBD-mysql-4.022-LOppYe/blib/arch/auto/DBD/mysql/mysql.bundle
#   Reason: image not found at /Users/7stud/perl5/perlbrew/perls/perl-5.16.0/lib/5.16.0/darwin-2level/DynaLoader.pm line 194.
#  at (eval 7) line 2.
# Compilation failed in require at (eval 7) line 2.
# BEGIN failed--compilation aborted at (eval 7) line 2.
Bailout called.  Further testing stopped:  Unable to load DBD::mysql
FAILED--Further testing stopped: Unable to load DBD::mysql
make: *** [test_dynamic] Error 255
  CAPTTOFU/DBD-mysql-4.022.tar.gz
  /usr/bin/make test -- NOT OK
//hint// to see the cpan-testers results for installing this module, try:
  reports CAPTTOFU/DBD-mysql-4.022.tar.gz
Running make install
  make test had returned bad status, won't install without force
~$ 

##</code><code>##

~$ echo $DYLD_LIBRARY_PATH 
/usr/local/mysql/lib
##</code><code>##

~$ cd /usr/local/mysql/lib
/usr/local/mysql/lib$ ls

libmysqlclient.18.dylib		libmysqlclient_r.dylib
libmysqlclient.a		libmysqld-debug.a
libmysqlclient.dylib		libmysqld.a
libmysqlclient_r.18.dylib	libmysqlservices.a
libmysqlclient_r.a		plugin
/usr/local/mysql/lib$