On 5/29/2026 3:48 AM, Richard Purdie wrote:
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On Thu, 2026-05-28 at 10:22 -0700, Sadineni, Harish via lists.openembedded.org
wrote:
From: Harish Sadineni <[email protected]>
Add Rust-in-kernel depedency packages to the target image when Rust kernel
support is enabled (KERNEL_FEATURES includes 'rust'). These packages are
needed for self-hosted development of Rust kernel modules.
The following packages are conditionally added when Rust-in-kernel
support is enabled:
- bindgen-cli
- libclang
- rust
- rust-src-lib
- rust-tools-rustfmt
Signed-off-by: Harish Sadineni <[email protected]>
---
.../packagegroups/packagegroup-core-buildessential.bb | 1 +
1 file changed, 1 insertion(+)
diff --git
a/meta/recipes-core/packagegroups/packagegroup-core-buildessential.bb
b/meta/recipes-core/packagegroups/packagegroup-core-buildessential.bb
index 2cd67ad05f..cdfe07a584 100644
--- a/meta/recipes-core/packagegroups/packagegroup-core-buildessential.bb
+++ b/meta/recipes-core/packagegroups/packagegroup-core-buildessential.bb
@@ -27,5 +27,6 @@ RDEPENDS:packagegroup-core-buildessential = "\
libstdc++-dev \
libtool \
pkgconfig \
+ ${@bb.utils.contains('KERNEL_FEATURES', 'rust', 'bindgen-cli libclang rust
rust-src-lib rust-tools-rustfmt', '', d)} \
"
I think we should define a new packagegroup-core-buildessetial-rust to
put these in?
Hi Richard,
The reason we added rust in kernel dependencies to
packagegroup-core-buildessential with KERNEL_FEATURES rust condition
rather than creating a separate packagegroup is :
packagegroup-core-buildessential is already used in
core-image-kernel-dev, which is exactly the image used for kernel
development.
So we thought it might be right place to add rust in kernel development
dependencies.
These aren't really specific to kernel development so KERNEL_FEATURES
doesn't seem quite the right way to enable this?
KERNEL_FEATURES rust condition is intentional, these packages
(bindgen-cli, libclang, rust, rust-src-lib, rust-tools-rustfmt)
are only needed when building kernel with Rust support enabled. These
are specifically required for Rust kernel module development.
So tying them to KERNEL_FEATURES containing 'rust' might be the correct
condition.
Perhaps targets could just pull in packagegroup-core-buildessetial-rust
when wanted instead?
So, we think separate packagegroup is not required.
Cheers,
Richard
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