From: Miguel Ojeda <ojeda@kernel.org>
To: Miguel Ojeda <ojeda@kernel.org>,
Wedson Almeida Filho <wedsonaf@gmail.com>,
Alex Gaynor <alex.gaynor@gmail.com>
Cc: "Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn 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: [PATCH] docs: rust: remove `CC=clang` mentions
Date: Fri, 15 Dec 2023 13:47:51 +0100 [thread overview]
Message-ID: <20231215124751.175191-1-ojeda@kernel.org> (raw)
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>
---
Documentation/rust/quick-start.rst | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/Documentation/rust/quick-start.rst b/Documentation/rust/quick-start.rst
index f382914f4191..75faa987079a 100644
--- a/Documentation/rust/quick-start.rst
+++ b/Documentation/rust/quick-start.rst
@@ -76,7 +76,7 @@ libclang
``libclang`` (part of LLVM) is used by ``bindgen`` to understand the C code
in the kernel, which means LLVM needs to be installed; like when the kernel
-is compiled with ``CC=clang`` or ``LLVM=1``.
+is compiled with ``LLVM=1``.
Linux distributions are likely to have a suitable one available, so it is
best to check that first.
@@ -229,10 +229,6 @@ at the moment. That is::
make LLVM=1
-For architectures that do not support a full LLVM toolchain, use::
-
- make CC=clang
-
Using GCC also works for some configurations, but it is very experimental at
the moment.
base-commit: a39b6ac3781d46ba18193c9dbb2110f31e9bffe9
--
2.43.0
next reply other threads:[~2023-12-15 12:48 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-15 12:47 Miguel Ojeda [this message]
2023-12-15 12:51 ` [PATCH] docs: rust: remove `CC=clang` mentions Alice Ryhl
2023-12-15 14:27 ` Ariel Miculas
2023-12-15 16:34 ` Martin Rodriguez Reboredo
2023-12-15 17:48 ` John Hubbard
2023-12-15 21:28 ` Justin Stitt
2023-12-18 16:55 ` Nathan Chancellor
2023-12-18 17:05 ` Benno Lossin
2023-12-21 21:42 ` Miguel Ojeda
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