# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
# CPU-specific code.
CPUDIR=arch/$(ARCH)/cpu/$(CPU)
-ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR)))
+ifneq ($(srctree)/$(CPUDIR),$(wildcard $(srctree)/$(CPUDIR)))
CPUDIR=arch/$(ARCH)/cpu
endif