On Mon, 21 Sep 2026, Paul Barker wrote:
> Yes, I'd like you to confirm that the error happens on stock
> poky/qemuarm64 with just the DISTRO_FEATURES change to enable opencl.
>
> Also, please quote the email you're replying to so it's easier to follow
> the conversation.
Sorry about the quoting, fixed here.
Ran it, and it does NOT reproduce on stock poky. So my report was wrong, sorry
for the noise.
oe-core f7397af248 + bitbake 2.18 0ad6c1c34, nothing else, local.conf was just:
MACHINE = "qemuarm64"
DISTRO_FEATURES:append = " opencl"
bitbake mesa: 2659 tasks, all succeeded.
rusticl was definitely on and bindgen definitely ran, so it is not that the
path was skipped:
gallium-rusticl=true (log.do_configure)
bindgen appears 4x in log.do_compile
build/src/gallium/frontends/rusticl/rusticl_llvm_bindings.rs 13502 bytes,
generated fine
And the interesting bit: bindgen_clang_arguments in that build has no C++
include paths either, same as ours:
bindgen_clang_arguments = ['-mcpu=cortex-a57+crc',
'-mbranch-protection=standard',
'-fstack-protector-strong', '-O2', '-D_FORTIFY_SOURCE=2', '-Wformat',
'-Wformat-security', '-Werror=format-security',
'--sysroot=.../mesa/26.0.5/recipe-sysroot', '--target=aarch64-oe-linux']
so clang finds cassert anyway. My "any recipe doing C++ bindgen will hit this"
claim is just wrong, ignore it.
One difference I can see: stock poky pulls LLVM 22.1.8, our stack is on 22.1.3
(meta-qcom pins it). The failure is clang chasing cassert from
llvm/ADT/DenseMapInfo.h, so an older LLVM header pulling in something slightly
different is my current guess. Guess only, I have not tested it yet.
Next thing I can do is the same stock build plus meta-qcom and its LLVM pin,
one variable at a time, and see which one flips it. Will report back if you
think it is worth it, otherwise happy to just carry our bbappend and drop this.
Royyan
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