linux-kernel - Re: [PATCH] rust: Respect HOSTCC when linking for host

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Message-ID: <50dcf114-e7f7-4e6f-8d30-4166f5f3848d@gmail.com>
Date:   Fri, 15 Sep 2023 19:51:22 -0300
From:   Martin Rodriguez Reboredo <yakoyoku@...il.com>
To:     Matthew Maurer <mmaurer@...gle.com>,
        Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Masahiro Yamada <masahiroy@...nel.org>
Cc:     Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Benno Lossin <benno.lossin@...ton.me>,
        Andreas Hindborg <a.hindborg@...sung.com>,
        Alice Ryhl <aliceryhl@...gle.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>,
        rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kbuild@...r.kernel.org
Subject: Re: [PATCH] rust: Respect HOSTCC when linking for host

On 9/15/23 14:28, Matthew Maurer wrote:
> Currently, rustc defaults to invoking `cc`, even if `HOSTCC` is defined,
> resulting in build failures in hermetic environments where `cc` does not
> exist. This includes both hostprogs and proc-macros.
> 
> Since we are setting the linker to `HOSTCC`, we set the linker flavor to
> `gcc` explicitly.
> 
> Signed-off-by: Matthew Maurer <mmaurer@...gle.com>
> ---
> [...]

Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@...il.com>