+COMPAT_VERSIONS := $(shell I=$(COMPAT_LATEST_VERSION); while [ "$$I" -gt $(COMPAT_KERNEL_SUBLEVEL) ]; do echo $$I; I=$$(($$I - 1)); done)
$(foreach ver,$(COMPAT_VERSIONS),$(eval CONFIG_COMPAT_KERNEL_3_$(ver)=y))
+COMPAT_VERSIONS := $(shell I=$(COMPAT_LATEST_VERSION); while [ "$$I" -gt $(COMPAT_KERNEL_SUBLEVEL) ]; do echo $$I; I=$$(($$I - 1)); done)
$(foreach ver,$(COMPAT_VERSIONS),$(eval CONFIG_COMPAT_KERNEL_3_$(ver)=y))