# File lib/compass/compiler.rb, line 195
    def should_compile?(sass_filename, css_filename, sourcemap_filename = nil)
      return true if css_filename && !File.exist?(css_filename)
      return true if sourcemap_filename && options[:sourcemap] && !File.exist?(sourcemap_filename)
      options[:force] ||
        needs_update?(css_filename, sass_filename) ||
        (options[:sourcemap] && needs_update?(sourcemap_filename, sass_filename))
    end