kbuild: fix up CFLAGS usage
Only in very rare cases is it needed to change CFLAGS outside of arch/*/Makefile. Fix up all wrong cases - in most cases the use of EXTRA_CFLAGS is the only thing needed. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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@@ -8,13 +8,12 @@
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#
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CFLAGS += -fno-builtin -Iarch/$(ARCH)/boot/include
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EXTRA_CFLAGS += -fno-builtin -Iarch/$(ARCH)/boot/include
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HOSTFLAGS += -Iarch/$(ARCH)/boot/include
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BIG_ENDIAN := $(shell echo -e __XTENSA_EB__ | $(CC) -E - | grep -v "\#")
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export CFLAGS
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export AFLAGS
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export EXTRA_CFLAGS
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export BIG_ENDIAN
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subdir-y := lib
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