I get the following when trying to install the capybara-webkit gem on OSX:
Installing capybara-webkit (0.7.2) with native extensions /Users/frank.chiu/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:552:in `rescue in block in build_extensions': ERROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError)
Gem files will remain installed in /Users/frank.chiu/.rvm/gems/ruby-1.9.3-p125/gems/capybara-webkit-0.7.2 for inspection.
I don't get this issue when running w/o rubymine and I've installed QT. Anybody have any ideas?