gistfile1.txt

-- Mac #1 (works) --

$ macruby --version
MacRuby version 0.5 (ruby 1.9.0) [universal-darwin10.0, x86_64]

$ file test.rbo 
test.rbo: Mach-O universal binary with 2 architectures
test.rbo (for architecture x86_64):	Mach-O 64-bit dynamically linked shared library x86_64
test.rbo (for architecture i386):	Mach-O dynamically linked shared library i386

$ macirb
irb(main):001:0> require 'test'
=> true


-- Mac #2 (doesn't work) --

$ macruby --version
MacRuby version 0.5 (ruby 1.9.0) [universal-darwin10.0, i386]

$ file test.rbo
test.rbo: Mach-O universal binary with 2 architectures
test.rbo (for architecture x86_64):	Mach-O 64-bit dynamically linked shared library x86_64
test.rbo (for architecture i386):	Mach-O dynamically linked shared library i386

$ macirb
irb(main):001:0> require 'test'
LoadError: no such file to load -- test
	from (irb):1:in `<main>'
	from workspace.rb:80:in `evaluate:'