Re: [OE-core] [PATCH v3 1/7] clang/llvm: Upgrade to 22.x major release

Khem Raj
2026-03-26T20:40:24Z

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On Thu, Mar 26, 2026, 12:47 PM Mathieu Dubois-Briand <
mathieu.dubois-briand@bootlin.com> wrote:

> On Thu Mar 26, 2026 at 4:16 PM CET, Khem Raj via lists.openembedded.org
> wrote:
> > From: Khem Raj <raj.khem@gmail.com>
> >
> > Includes support for new Intel (Wildcat Lake, Nova Lake with APX and
> AVX10.2)
> > Arm (C1 Nano, Pro, Premium, Ultra) processors. It also features
> performance
> > optimizations for AMD Zen 4 and Zen 5 architectures.
> >
> > Integrated Distributed ThinLTO is more mature, with enhancements
> > like cache support for incremental builds and robust handling of
> temporary artifacts.
> >
> > LLDB added first-class WebAssembly debugging support, including
> breakpoints and variable inspection.
> >
> > Support for Google Native Client (NaCl) is dropped in this release.
> >
> > Detailed ChangeLog [1]
> >
> > [1] https://releases.llvm.org/22.1.0/docs/ReleaseNotes.html
> >
> > Signed-off-by: Khem Raj <raj.khem@gmail.com>
> > ---
>
> Hi Khem,
>
> Thanks for the new version.
>
> I have to ask you: I'm having issues to apply this patch, and I already
> had issues with the previous one. Are you aware of this?
>
> Applying: clang/llvm: Upgrade to 22.x major release
> error: patch failed:
> meta/recipes-devtools/clang/clang/0001-Install-lldb-tblgen.patch:1
> error: meta/recipes-devtools/clang/clang/0001-Install-lldb-tblgen.patch:
> patch does not apply
> error: patch failed:
> meta/recipes-devtools/clang/clang/0001-clang-Support-building-native-tools-when-cross-compi.patch:1
> error:
> meta/recipes-devtools/clang/clang/0001-clang-Support-building-native-tools-when-cross-compi.patch:
> patch does not apply
> error: patch failed:
> meta/recipes-devtools/clang/clang/0001-libcxxabi-Find-libunwind-headers-when-LIBCXXABI_LIBU.patch:18
> error:
> meta/recipes-devtools/clang/clang/0001-libcxxabi-Find-libunwind-headers-when-LIBCXXABI_LIBU.patch:
> patch does not apply
> error: patch failed:
> meta/recipes-devtools/clang/clang/0003-compiler-rt-Simplify-cross-compilation.-Don-t-use-na.patch:21
> error:
> meta/recipes-devtools/clang/clang/0003-compiler-rt-Simplify-cross-compilation.-Don-t-use-na.patch:
> patch does not apply
> error: patch failed:
> meta/recipes-devtools/clang/clang/0005-llvm-allow-env-override-of-exe-and-libdir-path.patch:19
> error:
> meta/recipes-devtools/clang/clang/0005-llvm-allow-env-override-of-exe-and-libdir-path.patch:
> patch does not apply
> ...
>
> I had to hand apply part of the previous series. For this one I used:
> git cherry-pick -s contrib/yoe/mut~7..contrib/yoe/mut
> I believe this should be correct.
>
>
> Yes that is right. Sometimes large patches tend to be hard on mailing
> lists. If we need a v4 I will push them to a dedicated branch
>

Thanks,
> Mathieu
>
> --
> Mathieu Dubois-Briand, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com
>
>

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