# File src/ruby_supportlib/phusion_passenger/platform_info/depcheck.rb, line 44
      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