当我跑
abhay$ gem install capybara-webkit
我收到以下错误消息。
Building native extensions. This could take a while...
ERROR: Error installing capybara-webkit:
ERROR: Failed to build gem native extension.
/Users/abhay/.rvm/rubies/ruby-1.9.2-p180/bin/ruby extconf.rb
Gem files will remain installed in /Users/abhay/.rvm/gems/ruby-1.9.2-p180/gems/capybara- webkit-0.12.1 for inspection.
Results logged to /Users/abhay/.rvm/gems/ruby-1.9.2-p180/gems/capybara-webkit-0.12.1/./gem_make.out