--- config.guess	Fri Jul 27 15:47:30 2012
+++ config.guess	Fri Jul 27 15:47:40 2012
@@ -661,7 +661,7 @@
   if test -z "$exact_cpu"; then
     case `uname -m` in
       sun4[md]) exact_cpu=sparcv8 ;;
-      sun4u)    exact_cpu=sparcv9 ;;
+      sun4[uv])    exact_cpu=sparcv9 ;;
     esac
   fi
   ;;