# File lib/rubygems/installer.rb, line 393 def ensure_required_rubygems_version_met if rrgv = spec.required_rubygems_version then unless rrgv.satisfied_by? Gem::Version.new(Gem::VERSION) then raise Gem::InstallError, "#{spec.name} requires RubyGems version #{rrgv}. " + "Try 'gem update --system' to update RubyGems itself." end end end