kaazoo:~ kaazoo$ irb
irb(main):001:0> require 'drqueue'
dyld: NSLinkModule() error
dyld: Symbol not found: _phantom
  Referenced from: /opt/local/lib/ruby/site_ruby/1.8/powerpc-darwin8.9.0/drqueue.bundle
  Expected in: flat namespace

Trace/BPT trap
kaazoo:~ kaazoo$