--- ../old_mxl/config.sub	2007-04-27 11:13:54.000000000 -0700
+++ config.sub	2007-12-24 14:48:22.000000000 -0800
@@ -873,6 +873,11 @@
 	ppc64le-* | powerpc64little-*)
 		basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
+
+	ppu)
+		basic_machine=powerpc64-unknown
+		os=-linux-gnu
+		;;
 	ps2)
 		basic_machine=i386-ibm
 		;;