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Thu, 29 Jan 2026 16:39:50 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/230151 From: Yoann Congal Publish artifacts from kernel compilation to allow out-of-tree Rust compilation: * scripts/target.json: target definition: architecture, ABI, compiler options, ... * rust/: the crates compiled by the kernel available to out-of-tree-modules Signed-off-by: Yoann Congal Signed-off-by: Harish Sadineni --- meta/classes-recipe/kernel.bbclass | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/meta/classes-recipe/kernel.bbclass b/meta/classes-recipe/kernel.bbclass index 30a10b0801..dfb8604a68 100644 --- a/meta/classes-recipe/kernel.bbclass +++ b/meta/classes-recipe/kernel.bbclass @@ -632,6 +632,24 @@ do_shared_workdir () { cp -r scripts/gcc-plugins ${kerneldir}/scripts fi + if ${@bb.utils.contains("DISTRO_FEATURES", "rust-kernel", "true", "false", d)}; then + # Copy target.json file needed for out-of-tree rust modules + if [ -e scripts/target.json ]; then + bbnote "Copying scripts/target.json" + mkdir -p ${kerneldir}/scripts + cp scripts/target.json ${kerneldir}/scripts + else + bbwarn "scripts/target.json not found in compiled kernel. Out-of-tree rust modules will fail to build." + fi + + # Copy rust/ needed by out-of-tree module (firstly for the core rust crate) + if [ -e rust/ ]; then + bbnote "Copying rust/" + cp -r rust ${kerneldir}/ + else + bbwarn "rust/ not found in compiled kernel. Out-of-tree rust modules will fail to build." + fi + fi } # We don't need to stage anything, not the modules/firmware since those would clash with linux-firmware