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[v6,01/14] linux-yocto: conditionally add clang/rust/bindgen-cli-native to DEPENDS

Message ID 20260212180433.1825988-2-Harish.Sadineni@windriver.com
State New
Headers show
Series Enable rust support for linux kernel | expand

Commit Message

Harish Sadineni Feb. 12, 2026, 6:04 p.m. UTC 
From: Harish Sadineni <Harish.Sadineni@windriver.com>

Conditionally add 'clang-native', 'rust-native' and 'bindgen-cli-native' to 'DEPENDS'
when Kernel Rust Support is enabled.

These tools are required for building Rust-enabled kernels and for
generating Rust FFI bindings via bindgen during the kernel build.

This ensures the additional dependencies are only pulled in when
Rust support is explicitly enabled, avoiding unnecessary native
dependencies for non-Rust kernel builds.

Signed-off-by: Harish Sadineni <Harish.Sadineni@windriver.com>
---
 meta/recipes-kernel/linux/linux-yocto.inc | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/meta/recipes-kernel/linux/linux-yocto.inc b/meta/recipes-kernel/linux/linux-yocto.inc
index 4d0a726bb6..b7961bbcdf 100644
--- a/meta/recipes-kernel/linux/linux-yocto.inc
+++ b/meta/recipes-kernel/linux/linux-yocto.inc
@@ -76,11 +76,14 @@  do_install:append(){
 KERNEL_FEATURES:append:qemuall = " features/kernel-sample/kernel-sample.scc"
 
 KERNEL_DEBUG ?= ""
+KERNEL_RUST_SUPPORT ?= ""
 # These used to be version specific, but are now common dependencies.  New
 # tools / dependencies will continue to be added in version specific recipes.
 DEPENDS += '${@bb.utils.contains_any("ARCH", [ "x86", "arm64", "powerpc" ], "elfutils-native", "", d)}'
 DEPENDS += "openssl-native util-linux-native"
 DEPENDS += "gmp-native libmpc-native"
+RUST_KERNEL_DEPENDS ?= "${@bb.utils.contains('KERNEL_RUST_SUPPORT', 'True', 'clang-native rust-native bindgen-cli-native', '', d)}"
+DEPENDS += "${RUST_KERNEL_DEPENDS}"
 
 # Some options depend on CONFIG_PAHOLE_VERSION, so need to make pahole-native available before do_kernel_configme
 do_kernel_configme[depends] += '${@bb.utils.contains("KERNEL_DEBUG", "True", "pahole-native:do_populate_sysroot", "", d)}'