--- ruby-1.8.6-p287/configure.in.i386	2009-03-16 00:55:15.000000000 +0900
+++ ruby-1.8.6-p287/configure.in	2009-03-16 01:42:41.000000000 +0900
@@ -1662,6 +1662,8 @@
 configure_args=$ac_configure_args
 AC_SUBST(configure_args)dnl
 
+target_cpu=`echo $target_cpu | sed s/i.86/i386/`
+
 if test "$fat_binary" != no ; then
     arch="fat-${target_os}"