From: Gary Guo <gary@garyguo.net>
To: Andrea Righi <andrea.righi@canonical.com>
Cc: "Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Wedson Almeida Filho" <wedsonaf@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <benno.lossin@proton.me>,
"Gustavo A . R . Silva" <gustavoars@kernel.org>,
"Kees Cook" <keescook@chromium.org>,
"Masahiro Yamada" <masahiroy@kernel.org>,
rust-for-linux@vger.kernel.org, linux-kbuild@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] rust: fix bindgen build error with fstrict-flex-arrays
Date: Sat, 23 Sep 2023 11:43:56 +0800 [thread overview]
Message-ID: <20230923114356.537aa84a@gary-lowrisc-laptop> (raw)
In-Reply-To: <20230815065346.131387-1-andrea.righi@canonical.com>
On Tue, 15 Aug 2023 08:53:46 +0200
Andrea Righi <andrea.righi@canonical.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@canonical.com>
Tested-by: Gary Guo <gary@garyguo.net>
> ---
> rust/Makefile | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/rust/Makefile b/rust/Makefile
> index 4124bfa01798..ae2f5421da25 100644
> --- a/rust/Makefile
> +++ b/rust/Makefile
> @@ -258,6 +258,7 @@ bindgen_skip_c_flags := -mno-fp-ret-in-387 -mpreferred-stack-boundary=% \
> -fno-reorder-blocks -fno-allow-store-data-races -fasan-shadow-offset=% \
> -fzero-call-used-regs=% -fno-stack-clash-protection \
> -fno-inline-functions-called-once -fsanitize=bounds-strict \
> + -fstrict-flex-arrays=% \
> --param=% --param asan-%
>
> # Derived from `scripts/Makefile.clang`.
next prev parent reply other threads:[~2023-09-23 3:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-15 6:53 [PATCH] rust: fix bindgen build error with fstrict-flex-arrays Andrea Righi
2023-08-15 12:06 ` Miguel Ojeda
2023-08-15 12:10 ` Miguel Ojeda
2023-08-15 12:44 ` Andrea Righi
2023-08-15 12:49 ` Miguel Ojeda
2023-08-17 3:45 ` Kees Cook
2023-09-23 3:43 ` Gary Guo [this message]
2023-10-08 19:59 ` Miguel Ojeda
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