fake:

architecture/sparc/config.in

@@ -39,7 +39,7 @@ if [ "$ROCKCFG_SPARC_64BIT_KERNEL" = 1 ] ; then
 fi 
 
 # Now the optimisations that result from the options above
-if [ "$ROCKCFG_SPARC_BITS" = 64 -o "$ROCKCFG_SPARC_64BIT_KERNEL" = 1 ] ; then
+if [ "$ROCKCFG_SPARC_BITS" = 64 ] ; then
   choice ROCKCFG_SPARC_OPT generic   \
 	generic		"No special optimisation"		\
 	v9		"Optimised for UltraSPARC"