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@@ -172,6 +172,11 @@ ld-version = $(shell $(LD) --version | $(srctree)/scripts/ld-version.sh)
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# Usage: $(call ld-ifversion, -ge, 22252, y)
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ld-ifversion = $(shell [ $(ld-version) $(1) $(2) ] && echo $(3) || echo $(4))
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+# dtc-option
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+# Usage: DTC_FLAGS += $(call dtc-option,-Wno-unit_address_vs_reg)
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+dtc-option = $(call try-run,\
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+ echo '/dts-v1/; / {};' | $(DTC) $(1),$(1),$(2))
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+
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######
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###
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