--- nokogiri-1.4.2/Rakefile.debug	2010-05-26 01:38:21.000000000 +0900
+++ nokogiri-1.4.2/Rakefile	2010-05-26 02:01:27.000000000 +0900
@@ -129,7 +129,11 @@
 end
 
 require 'tasks/test'
-require 'tasks/cross_compile'
+begin
+  require 'tasks/cross_compile'
+rescue RuntimeError => err
+  p err.message
+end
 
 desc "set environment variables to build and/or test with debug options"
 task :debug do