Re: [PATCH v3] kbuild: use -fmacro-prefix-map for .S sources

Denys Zagorui -X (dzagorui - GLOBALLOGIC INC at Cisco)
2020-11-09T13:48:55Z

> Follow-up to a73619a845d5 ("kbuild: use -fmacro-prefix-map to make
> __FILE__ a relative path") commit. Assembler sources also use __FILE__
> macro so this flag should be also apllied to that sources.
>
> Signed-off-by: Denys Zagorui <dzagorui@cisco.com>
> ---
> Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Makefile b/Makefile
> index ee2284a5cad2..81e480fc6805 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -946,7 +946,7 @@ KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types)
> KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init)
>
> # change __FILE__ to the relative path from the srctree
> -KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
> +KBUILD_CPPFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
>
> # ensure -fcf-protection is disabled when using retpoline as it is
> # incompatible with -mindirect-branch=thunk-extern
> --
> 2.19.0.dirty

ping