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Date: Fri, 15 Dec 2023 16:27:03 +0200
From: Ariel Miculas <amiculas@cisco.com>
To: Miguel Ojeda <ojeda@kernel.org>
Cc: Wedson Almeida Filho <wedsonaf@gmail.com>,
        Alex Gaynor <alex.gaynor@gmail.com>, Boqun Feng <boqun.feng@gmail.com>,
        Gary Guo <gary@garyguo.net>,
        =?utf-8?B?QmrDtnJu?= Roy Baron <bjorn3_gh@protonmail.com>,
        Benno Lossin <benno.lossin@proton.me>,
        Andreas Hindborg <a.hindborg@samsung.com>,
        Alice Ryhl <aliceryhl@google.com>, rust-for-linux@vger.kernel.org,
        linux-kernel@vger.kernel.org, patches@lists.linux.dev,
        Jonathan Corbet <corbet@lwn.net>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Bill Wendling <morbo@google.com>,
        Justin Stitt <justinstitt@google.com>, linux-doc@vger.kernel.org,
        llvm@lists.linux.dev
Subject: Re: [PATCH] docs: rust: remove `CC=clang` mentions
Message-ID: <am3aewoqtx2tzcdn55lzhqszhmtfqx5phwufo4bwinrslwe3ft@jahi4gp25sqf>
References: <20231215124751.175191-1-ojeda@kernel.org>
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In-Reply-To: <20231215124751.175191-1-ojeda@kernel.org>

On 23/12/15 01:47PM, Miguel Ojeda wrote:
> Nowadays all architectures except s390 recommend using `LLVM=1` instead of
> `CC=clang`, and since commit a3c6bfba4429 ("Documentation/llvm: refresh
> docs") the Kbuild LLVM documentation makes `LLVM=1` the way to go:
> 
>     We want to encourage the use of ``LLVM=1`` rather than just
>     ``CC=clang``. Make that suggestion "above the fold" and "front and
>     center" in our docs.
> 
> In particular, that commit removes the examples with `CC=clang`.
> 
> Thus do the same in the Rust Quick Start guide, i.e. remove the `CC=clang`
> mentions, especially since the architectures that have had their Rust
> support upstreamed (or soon to be upstreamed) are all `LLVM=1` ones
> anyway. And perhaps by the time Rust is supported for s390 (or new
> architectures), it may have moved to `LLVM=1` anyway. Otherwise,
> this can be added back if needed (or perhaps an extra link to
> Documentation/kbuild/llvm.rst).
> 
> This should also help avoiding potential confusion around `CC=clang` [1].
> 
> Link: https://lore.kernel.org/rust-for-linux/6df6e8e5-8d5b-4d3d-91b5-bc0e90c424ea@nvidia.com/ [1]
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Ariel Miculas <amiculas@cisco.com>