bridge.m

void Init_RubyTesting() { } // For RubyCocoa bridge

Rakefile

require "rubygems"
require "rake"

Dir['tasks/**/*.rake'].each { |rake| load rake }

namespace :objc do
  desc "Compiles all Objective-C bundles for testing"
  task :compile do
    directory 'build'
    sh "gcc -o build/RubyTesting.bundle -bundle -framework Foundation test/bridge.m Classes/Models/*.m"
  end
end

task :compile => 'objc:compile'