--- configure.orig	2010-07-04 12:04:10.423030773 +0200
+++ configure	2010-07-04 12:04:22.913029424 +0200
@@ -11813,7 +11813,7 @@
 _ACEOF
 
 else
-    arch="${target_cpu}-${target_os}"
+    arch="${target_os}"
     cat >>confdefs.h <<_ACEOF
 #define RUBY_PLATFORM "${arch}"
 _ACEOF