Kumar Gala writes: > For the current time idle_6xx only applies to 6xx ppc32 CPUs > +extra-$(CONFIG_6xx) += idle_6xx.o > -obj-$(CONFIG_PPC32) += entry_32.o idle_6xx.o setup_32.o misc_32.o > +obj-$(CONFIG_PPC32) += entry_32.o setup_32.o misc_32.o Why does idle_6xx.o become an extra- rather than an obj- ? Paul.