+ifdef CONFIG_TARGET_IMAGES_GZIP
+ define Image/Gzip
+ rm -f $(1).gz
+ gzip -9n $(1)
+ endef
+endif
+
+
+# Disable noisy checks by default as in upstream
+ifeq ($(strip $(call kernel_patchver_ge,4.7.0)),1)
+ DTC_FLAGS += -Wno-unit_address_vs_reg
+endif
+ifeq ($(strip $(call kernel_patchver_ge,4.12.0)),1)
+ DTC_FLAGS += \
+ -Wno-unit_address_vs_reg \
+ -Wno-simple_bus_reg \
+ -Wno-unit_address_format \
+ -Wno-pci_bridge \
+ -Wno-pci_device_bus_num \
+ -Wno-pci_device_reg
+endif
+ifeq ($(strip $(call kernel_patchver_ge,4.17.0)),1)
+ DTC_FLAGS += \
+ -Wno-avoid_unnecessary_addr_size \
+ -Wno-alias_paths
+endif
+ifeq ($(strip $(call kernel_patchver_ge,4.18.0)),1)
+ DTC_FLAGS += \
+ -Wno-graph_child_address \
+ -Wno-graph_port \
+ -Wno-unique_unit_address
+endif
+