rake install_gem --trace

rake/rdoctask is deprecated.  Use rdoc/task instead (in RDoc 2.4.2+)
warning: couldn't activate the debugging plugin, skipping
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** Invoke install_gem (first_time)
** Invoke clean (first_time)
** Invoke clobber_rcov (first_time)
** Execute clobber_rcov
** Invoke clobber_docs (first_time)
** Execute clobber_docs
rm -r doc
** Invoke clobber_package (first_time)
** Execute clobber_package
rm -r pkg
** Execute clean
rm -r tmp/i686-linux/tracemonkey/1.8.7
** Invoke package (first_time)
** Invoke pkg/johnson-2.0.0.pre3.tgz (first_time)
rake aborted!
Don't know how to build task 'vendor/tracemonkey/Makefile.in'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task_manager.rb:49:in `[]'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:60:in `lookup_prerequisite'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:56:in `prerequisite_tasks'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:56:in `collect'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:56:in `prerequisite_tasks'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:174:in `invoke_prerequisites'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:157:in `invoke_with_call_chain'
/home/oren/.rvm/rubies/ruby-1.8.7-p72/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:176:in `invoke_prerequisites'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:174:in `each'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:174:in `invoke_prerequisites'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:157:in `invoke_with_call_chain'
/home/oren/.rvm/rubies/ruby-1.8.7-p72/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:176:in `invoke_prerequisites'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:174:in `each'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:174:in `invoke_prerequisites'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:157:in `invoke_with_call_chain'
/home/oren/.rvm/rubies/ruby-1.8.7-p72/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/task.rb:144:in `invoke'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/application.rb:112:in `invoke_task'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/application.rb:90:in `top_level'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/application.rb:90:in `each'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/application.rb:90:in `top_level'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/application.rb:129:in `standard_exception_handling'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/application.rb:84:in `top_level'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/application.rb:62:in `run'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/application.rb:129:in `standard_exception_handling'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/lib/rake/application.rb:59:in `run'
/home/oren/.rvm/gems/ruby-1.8.7-p72@global/gems/rake-0.9.2/bin/rake:32
/home/oren/.rvm/gems/ruby-1.8.7-p72@respawn/bin/rake:19:in `load'
/home/oren/.rvm/gems/ruby-1.8.7-p72@respawn/bin/rake:19
Tasks: TOP => install_gem => package => pkg/johnson-2.0.0.pre3.tgz