# File lib/phusion_passenger/platform_info/depcheck.rb, line 42
        def self.load(partial_filename)
                if !@@loaded[partial_filename]
                        filename = "#{THIS_DIR}/#{partial_filename}.rb"
                        content = File.read(filename)
                        instance_eval(content, filename)
                        @@loaded[partial_filename] = true
                end
        end