Railsでmysql2のgemがインストールできないヘ(^o^)ノ

RailsとMySQLで開発してると、mysql2のgemインストールすると…

checking for mysql_query() in -lmysqlclient... no
checking for main() in -lm... yes
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lz... yes
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lsocket... no
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lnsl... no
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lmygcc... no
checking for mysql_query() in -lmysqlclient... no
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
 --with-opt-dir
 --without-opt-dir
 --with-opt-include
 --without-opt-include=${opt-dir}/include
 --with-opt-lib
 --without-opt-lib=${opt-dir}/lib
 --with-make-prog
 --without-make-prog
 --srcdir=.
 --curdir
 --ruby=/Users/murajun1978/.rbenv/versions/2.0.0-p247/bin/ruby
 --with-mysql-config
 --without-mysql-config
 --with-mysql-dir
 --without-mysql-dir
 --with-mysql-include
 --without-mysql-include=${mysql-dir}/include
 --with-mysql-lib
 --without-mysql-lib=${mysql-dir}/
 --with-mysqlclientlib
 --without-mysqlclientlib
 --with-mlib
 --without-mlib
 --with-mysqlclientlib
 --without-mysqlclientlib
 --with-zlib
 --without-zlib
 --with-mysqlclientlib
 --without-mysqlclientlib
 --with-socketlib
 --without-socketlib
 --with-mysqlclientlib
 --without-mysqlclientlib
 --with-nsllib
 --without-nsllib
 --with-mysqlclientlib
 --without-mysqlclientlib
 --with-mygcclib
 --without-mygcclib
 --with-mysqlclientlib
 --without-mysqlclientlib


Gem files will remain installed in /Users/user_name/dev/rails/asa_cloud_system/vendor/bundler/ruby/2.0.0/gems/mysql-2.9.1 for inspection.
Results logged to /Users/user_name/dev/rails/asa_cloud_system/vendor/bundler/ruby/2.0.0/gems/mysql-2.9.1/ext/mysql_api/gem_make.out

An error occurred while installing mysql (2.9.1), and Bundler cannot continue.
Make sure that `gem install mysql -v '2.9.1'` succeeds before bundling.

(ﾟдﾟ)！

ならば！

$ bundle config build.mysql --with-mysql-config=/usr/local/mysql/bin/mysql_config

あかん！

ん？ちょっとまてよ…

~/.bundle/config

BUNDLE_BUILD__MYSQL: --with-mysql-config=/usr/local/mysql/bin/mysql_config

BUNDLE_BUILD__MYSQL2: --with-mysql-config=/usr/local/mysql/bin/mysql_config

いけたやん(；・∀・)

そうだよね、mysql2だもんね…

(￣(ｴ)￣)彡☆