Commit f53932ad authored by Stephen Warren's avatar Stephen Warren Committed by Tom Rini

dts/Makefile: pass -undef -D__DTS__ to cpp

This brings U-Boot's cpp invocation into line with the way the Linux
kernel invokes cpp on device trees. Consistency will be useful to ensure
*.dts is portable between the two.

-undef also has the added advantage of not defining "linux", so DT
property names such as "linux,keymap" don't get mangled.
Signed-off-by: default avatarStephen Warren <swarren@nvidia.com>
Acked-by: default avatarSimon Glass <sjg@chromium.org>
parent 32ac4bd9
......@@ -21,7 +21,7 @@ DTS_INCDIRS = $(SRCTREE)/board/$(VENDOR)/$(BOARD)/dts
DTS_INCDIRS += $(SRCTREE)/board/$(VENDOR)/dts
DTS_INCDIRS += $(SRCTREE)/arch/$(ARCH)/dts
DTS_CPPFLAGS := -x assembler-with-cpp \
DTS_CPPFLAGS := -x assembler-with-cpp -undef -D__DTS__ \
-nostdinc $(addprefix -I,$(DTS_INCDIRS))
DTC_FLAGS := -R 4 -p 0x1000 \
......
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