Probably not all users are aware of this possibility, thus add a pointer to the README. Also add a useful example.
Signed-off-by: Daniel Schwierzeck daniel.schwierzeck@gmail.com
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Changes in v2: - new patch
README | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/README b/README index b53ea7dfe3..b055ae7ef2 100644 --- a/README +++ b/README @@ -3719,6 +3719,11 @@ this behavior and build U-Boot to some external directory: Note that the command line "O=" setting overrides the KBUILD_OUTPUT environment variable.
+User specific CPPFLAGS, AFLAGS and CFLAGS can be passed to the compiler by +setting the according environment variables KCPPFLAGS, KAFLAGS and KCFLAGS. +For example to treat all compiler warnings as errors: + + make KCFLAGS=-Werror
Please be aware that the Makefiles assume you are using GNU make, so for instance on NetBSD you might need to use "gmake" instead of