--- rspec-1.3.1/lib/spec/rake/spectask.rb.debug	2011-03-07 01:37:11.000000000 +0900
+++ rspec-1.3.1/lib/spec/rake/spectask.rb	2011-03-07 01:53:58.000000000 +0900
@@ -150,7 +150,12 @@
           desc "Run specs" + (rcov ? " using RCov" : "")
         end
         task name do
-          RakeFileUtils.verbose(verbose) do
+        if defined? RakeFileUtils
+          fileutils_module = RakeFileUtils
+        else
+          fileutils_module = ::Rake::FileUtilsExt
+        end
+          fileutils_module.verbose(verbose) do
             unless spec_file_list.empty?
               # ruby [ruby_opts] -Ilib -S rcov [rcov_opts] bin/spec -- examples [spec_opts]
               # or