linux-kernel - Re: [PATCH] rust: fix bindgen build error with fstrict-flex-arrays

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Message-ID: <CANiq72=t3H7FseigxjMywwAWr2hM5YKZPqJMO_0dH86WwirtEg@mail.gmail.com>
Date:   Sun, 8 Oct 2023 21:59:44 +0200
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Andrea Righi <andrea.righi@...onical.com>
Cc:     Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Benno Lossin <benno.lossin@...ton.me>,
        "Gustavo A . R . Silva" <gustavoars@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        rust-for-linux@...r.kernel.org, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rust: fix bindgen build error with fstrict-flex-arrays

On Tue, Aug 15, 2023 at 8:54 AM Andrea Righi <andrea.righi@...onical.com> wrote:
>
> Commit df8fc4e934c1 ("kbuild: Enable -fstrict-flex-arrays=3") enabled
> '-fstrict-flex-arrays=3' globally, but bindgen does not recognized this
> compiler option, triggering the following build error:
>
>  error: unknown argument: '-fstrict-flex-arrays=3', err: true
>
> Add '-fstrict-flex-arrays' to the list of cflags that should be ignored
> by bindgen.
>
> Fixes: df8fc4e934c1 ("kbuild: Enable -fstrict-flex-arrays=3")
> Signed-off-by: Andrea Righi <andrea.righi@...onical.com>

Applied to `rust-fixes` (with an extra summary of the discussion in
the list), thanks everyone!

Cheers,
Miguel