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@@ -3719,6 +3719,11 @@ this behavior and build U-Boot to some external directory:
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Note that the command line "O=" setting overrides the KBUILD_OUTPUT environment
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variable.
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+User specific CPPFLAGS, AFLAGS and CFLAGS can be passed to the compiler by
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+setting the according environment variables KCPPFLAGS, KAFLAGS and KCFLAGS.
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+For example to treat all compiler warnings as errors:
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+
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+ make KCFLAGS=-Werror
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Please be aware that the Makefiles assume you are using GNU make, so
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for instance on NetBSD you might need to use "gmake" instead of
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