Re: [PATCH 3/6] kbuild: rust_is_available: add check for `bindgen` invocation

From: Miguel Ojeda
Date: Sat Jan 14 2023 - 07:12:04 EST


On Sat, Jan 14, 2023 at 10:44 AM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
>
> Ah, I see.
>
> How about this?
>
> bindgen_libclang_output=$(LC_ALL=C "$BINDGEN" $(dirname
> $0)/rust_is_available_bindgen_libclang.h 2>&1 >/dev/null) \
> || bindgen_libclang_code=$?
>
> You can get the error code of bindgen without toggling -e.

As you prefer -- personally I tend to avoid assigning two variables in
a single "statement" (like in C), but I am also happy avoiding to
toggle `-e` since it is global state and therefore ugly too anyway.

Cheers,
Miguel