linux-kernel - Prebuilt LLVM 20.1.5 uploaded (and a note about older toolchains)

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Message-ID: <20250519175752.GA1041767@ax162>
Date: Mon, 19 May 2025 13:57:52 -0400
From: Nathan Chancellor <nathan@...nel.org>
To: llvm@...ts.linux.dev, linux-kernel@...r.kernel.org
Cc: ojeda@...nel.org
Subject: Prebuilt LLVM 20.1.5 uploaded (and a note about older toolchains)

Hi all,

I have built and uploaded LLVM 20.1.5 to
https://mirrors.edge.kernel.org/pub/tools/llvm/.

If there are any issues found, please let us know via email or
https://github.com/ClangBuiltLinux/linux/issues/new, so that we have an
opportunity to get them fixed in main and backported before the 20.x
series is no longer supported.

Additionally, I have rebuilt and reuploaded the latest stable version of LLVM
13 through 19 to avoid linking against libxml2. Some distributions (such as
Arch Linux) have updated to libxml2 2.14.x, which includes an ABI bump to
libxml2.so.16, breaking all versions of these toolchains. This should not make
much of a difference for the kernel, as I do not believe we use anything within
the toolchain that requires libxml2, but if anyone notices anything, please let
me know so we can discuss adding it back.

Cheers,
Nathan