=> Bootstrap dependency digest>=20010302: found digest-20121220
===> Installing for ruby18-rdoc-4.0.1
=> Generating pre-install file lists
=> Installing gem into installation root
ERROR:  While executing gem ... (NoMethodError)
    undefined method `reset' for RDoc::TopLevel:Class
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/rdoc.rb:192:in `generate'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/rdoc.rb:81:in `generation_hook'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/rdoc.rb:80:in `each'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/rdoc.rb:80:in `generation_hook'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/core_ext/kernel_require.rb:113:in `to_proc'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/dependency_installer.rb:390:in `call'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/dependency_installer.rb:390:in `install'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/dependency_installer.rb:389:in `each'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/dependency_installer.rb:389:in `install'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/dependency_installer.rb:409:in `in_background'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/dependency_installer.rb:388:in `install'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/commands/install_command.rb:166:in `execute'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/commands/install_command.rb:158:in `each'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/commands/install_command.rb:158:in `execute'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/command.rb:305:in `invoke_with_build_args'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/command_manager.rb:170:in `process_args'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/command_manager.rb:130:in `run'
	/usr/pkg/lib/ruby/vendor_ruby/1.8/rubygems/gem_runner.rb:60:in `run'
	/usr/pkg/bin/gem18:21
Depending on your version of ruby, you may need to install ruby rdoc/ri data:

<= 1.8.6 : unsupported
 = 1.8.7 : gem install rdoc-data; rdoc-data --install
 = 1.9.1 : gem install rdoc-data; rdoc-data --install
>= 1.9.2 : nothing to do! Yay!
Successfully installed rdoc-4.0.1
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/devel/ruby-rdoc
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/devel/ruby-rdoc