Add '-ansi' to DTS_CPPFLAGS to avoid unwanted expansion of dts content
that matches some predefined macros.
Example: A number of PowerPC related *.dts files in the kernel define a
property named 'linux,network-index' which (w/o '-ansi') is expanded to
'1,network-index' by the preprocessor because of '#define linux 1.'
Signed-off-by: Horst Kronstorfer <hkron...@frequentis.com>
---
Changes in v2:
- Use '-ansi' instead of '-undef.'
dts/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dts/Makefile b/dts/Makefile
index 402dfe1..3c6bc18 100644
--- a/dts/Makefile
+++ b/dts/Makefile
@@ -36,7 +36,7 @@ $(error Your architecture does not have device tree support
enabled. \
Please define CONFIG_ARCH_DEVICE_TREE))
# We preprocess the device tree file provide a useful define
-DTS_CPPFLAGS :=
-DARCH_CPU_DTS=\"$(SRCTREE)/arch/$(ARCH)/dts/$(CONFIG_ARCH_DEVICE_TREE).dtsi\"
+DTS_CPPFLAGS := -ansi
-DARCH_CPU_DTS=\"$(SRCTREE)/arch/$(ARCH)/dts/$(CONFIG_ARCH_DEVICE_TREE).dtsi\"
all: $(obj).depend $(LIB)
--
1.7.11.2
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