Re: [PATCH] rust: Use awk instead of recent xargs

[Joe Perches]

On Thu, 2023-09-28 at 20:21 +0000, Matthew Maurer wrote:
> `awk` is already required by the kernel build, and the `xargs` feature
> used in current Rust detection is not present in all `xargs` (notably,
> toybox based xargs, used in the Android kernel build).
[]
> diff --git a/rust/Makefile b/rust/Makefile
[]
> @@ -365,8 +365,7 @@ quiet_cmd_exports = EXPORTS $@
>        cmd_exports = \
>  	$(NM) -p --defined-only $< \
>  		| grep -E ' (T|R|D) ' | cut -d ' ' -f 3 \
> -		| xargs -Isymbol \
> -		echo 'EXPORT_SYMBOL_RUST_GPL(symbol);' > $@
> +		| awk 'NF {printf "EXPORT_SYMBOL_RUST_GPL(%s);\n",$$0}' > $@

Perhaps remove the cut as well and use $$3 instead of $$0 ?
Maybe integrate the grep as well.