# File lib/rake/extensiontask.rb, line 35
    def init(name = nil, gem_spec = nil)
      @name = name
      @gem_spec = gem_spec
      @config_script = 'extconf.rb'
      @tmp_dir = 'tmp'
      @ext_dir = "ext/#{@name}"
      @lib_dir = 'lib'
      @source_pattern = "*.c"
      @config_options = []
      @cross_compile = false
      @cross_config_options = []
    end