build: add support for passing C preprocessor flags for DTS builds · ac11f36b33 - Gogs

build: add support for passing C preprocessor flags for DTS builds

Useful for adding #ifdefs based on build system provided definitions, or
for adding extra include paths

Signed-off-by: Felix Fietkau <[email protected]>

Felix Fietkau 3 years ago

parent

9caa6f0aa7

commit

ac11f36b33

1 changed files with 1 additions and 0 deletions

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							+ 1
							
							- 0
						
include/image.mk
							 
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				@@ -184,6 +184,7 @@ endef
			
				 # $(4) extra DTC flags
			
				 define Image/BuildDTB
			
				 	$(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
			
				+		$(DTS_CPPFLAGS) \
			
				 		-I$(DTS_DIR) \
			
				 		-I$(DTS_DIR)/include \
			
				 		-I$(LINUX_DIR)/include/ \