mxcl/homebrew — pull request #22210 by sjackman (2013-08-29 23:54:06+00:00)
Title: universal_archs returns ArchitectureListExtension

universal_archs should return an array extended by ArchitectureListExtension. See here:
https://github.com/mxcl/homebrew/blob/master/Library/Homebrew/os/mac/hardware.rb#L96