Index: defaults/sparc64/serengeti/Makefile.config
===================================================================
--- defaults/sparc64/serengeti/Makefile.config	(revision 03976d60a9800a9adc3d5c6144b8811b161816c3)
+++ defaults/sparc64/serengeti/Makefile.config	(revision 03976d60a9800a9adc3d5c6144b8811b161816c3)
@@ -0,0 +1,2 @@
+# Machine type
+MACHINE = serengeti
Index: defaults/sparc64/us3/Makefile.config
===================================================================
--- defaults/sparc64/us3/Makefile.config	(revision 03976d60a9800a9adc3d5c6144b8811b161816c3)
+++ defaults/sparc64/us3/Makefile.config	(revision 03976d60a9800a9adc3d5c6144b8811b161816c3)
@@ -0,0 +1,5 @@
+# Machine type
+MACHINE = generic
+
+# CPU type
+PROCESSOR = us3