在为sinatra应用程序加载瘦for服务器时,我不断收到
Unable to load the EventMachine C extension; To use the pure-ruby reactor, require em/pure_ruby'<path>/vendor/bundle/ruby/1.9.1/gems/eventmachine-1.0.0.rc.4/lib/eventmachine.rbrequire
No such file or directory @ rb_sysopen - /Users/Sean/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/eventmachine-1.0.3/ext/gem_make.out
An error occurred while installing eventmachine (1.0.3), and Bundler cannotMake