console output

andrew$ sudo gem install ruby-debug
Password:
Building native extensions.  This could take a while...
ERROR:  Error installing ruby-debug:
	ERROR: Failed to build gem native extension.

        /Users/andrew/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb
checking for rb_method_entry_t.called_id in method.h... no
checking for rb_control_frame_t.method_id in method.h... no
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers.  Check the mkmf.log file for more
details.  You may need configuration options.

Provided configuration options:
	--with-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/Users/andrew/.rvm/rubies/ruby-1.9.3-p194/bin/ruby
	--with-ruby-dir
	--without-ruby-dir
	--with-ruby-include
	--without-ruby-include=${ruby-dir}/include
	--with-ruby-lib
	--without-ruby-lib=${ruby-dir}/lib
extconf.rb:16:in `block in <main>': break from proc-closure (LocalJumpError)
	from /Users/andrew/.rvm/gems/ruby-1.9.3-p194/gems/ruby_core_source-0.1.5/lib/ruby_core_source.rb:18:in `call'
	from /Users/andrew/.rvm/gems/ruby-1.9.3-p194/gems/ruby_core_source-0.1.5/lib/ruby_core_source.rb:18:in `create_makefile_with_core'
	from extconf.rb:32:in `<main>'


Gem files will remain installed in /Users/andrew/.rvm/gems/ruby-1.9.3-p194/gems/ruby-debug-base19-0.11.26 for inspection.
Results logged to /Users/andrew/.rvm/gems/ruby-1.9.3-p194/gems/ruby-debug-base19-0.11.26/ext/ruby_debug/gem_make.out