我安装了mysql和rails，升级到最新的OSX版本，现在尝试在我的dev文件夹中运行rails-server时出现此错误。
mt:project1.dev mt$ mysql.server start
Starting MySQL
SUCCESS!
mt:project1.dev mt$ mysql -v
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.6.26 Homebrew
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Reading history-file /Users/mt/.mysql_history
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> Ctrl-C -- exit!
Writing history-file /Users/mt/.mysql_history
Aborted
mt:project1.dev mt$ rails s
/Library/Ruby/Gems/2.0.0/gems/mysql2-0.3.18/lib/mysql2.rb:31:in `require': dlopen(/Library/Ruby/Gems/2.0.0/gems/mysql2-0.3.18/lib/mysql2/mysql2.bundle, 9): Library not loaded: libmysqlclient.18.dylib (LoadError)
Referenced from: /Library/Ruby/Gems/2.0.0/gems/mysql2-0.3.18/lib/mysql2/mysql2.bundle
Reason: unsafe use of relative rpath libmysqlclient.18.dylib in /Library/Ruby/Gems/2.0.0/gems/mysql2-0.3.18/lib/mysql2/mysql2.bundle with restricted binary - /Library/Ruby/Gems/2.0.0/gems/mysql2-0.3.18/lib/mysql2/mysql2.bundle
from /Library/Ruby/Gems/2.0.0/gems/mysql2-0.3.18/lib/mysql2.rb:31:in `<top (required)>'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:76:in `require'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:72:in `each'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:72:in `block in require'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:61:in `each'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.10.6/lib/bundler/runtime.rb:61:in `require'
from /Library/Ruby/Gems/2.0.0/gems/bundler-1.10.6/lib/bundler.rb:134:in `require'
from /Users/mt/Dropbox/01. fm-public/04. Dev/htdocs/project1.dev/config/application.rb:7:in `<top (required)>'
from /Library/Ruby/Gems/2.0.0/gems/railties-4.0.1/lib/rails/commands.rb:74:in `require'
from /Library/Ruby/Gems/2.0.0/gems/railties-4.0.1/lib/rails/commands.rb:74:in `block in <top (required)>'
from /Library/Ruby/Gems/2.0.0/gems/railties-4.0.1/lib/rails/commands.rb:71:in `tap'
from /Library/Ruby/Gems/2.0.0/gems/railties-4.0.1/lib/rails/commands.rb:71:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
mt:project1.dev mt$
如您所见，mysql正在运行，我安装了最新版本。但是，由于我不是命令行专家，我真的不理解给出的错误信息以及我现在可以做的事情。
此致 马特