Re: [PATCH 06/16] kernel-yocto: add rust support via "make rustavailable" in do_kernel_configme

[Harish Sadineni <Harish.Sadineni@windriver.com>]

On 12/27/2025 8:35 PM, Bruce Ashfield wrote:
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> And here's the answer to my previous question.
>
> To me, this patch should be squashed with 05/16.
OK Bruce, I’ll combine this patch with 05/16 and send it as v2.

Thanks,
Harish
>
> Bruce
>
> On Sat, Dec 27, 2025 at 7:33 AM <Harish.Sadineni@windriver.com> wrote:
>> From: Harish Sadineni <Harish.Sadineni@windriver.com>
>>
>> To enable Rust integration in the Linux kernel build, this patch:
>>
>> - Adds `rust-native`, `clang-native` and `bindgen-cli-native` to `do_kernel_configme[depends]`
>>    to ensure required tools are available for Rust support.
>> - Invokes `make rustavailable` inside `do_kernel_configme()` to prepare
>>    the kernel for building Rust-based modules or core components.
>>
>> Signed-off-by: Harish Sadineni <Harish.Sadineni@windriver.com>
>> ---
>>   meta/classes-recipe/kernel-yocto.bbclass | 9 +++++++++
>>   1 file changed, 9 insertions(+)
>>
>> diff --git a/meta/classes-recipe/kernel-yocto.bbclass b/meta/classes-recipe/kernel-yocto.bbclass
>> index 2584cadf0d..dda235d4d0 100644
>> --- a/meta/classes-recipe/kernel-yocto.bbclass
>> +++ b/meta/classes-recipe/kernel-yocto.bbclass
>> @@ -463,6 +463,11 @@ do_kernel_configme[depends] += "virtual/cross-binutils:do_populate_sysroot"
>>   do_kernel_configme[depends] += "virtual/cross-cc:do_populate_sysroot"
>>   do_kernel_configme[depends] += "bc-native:do_populate_sysroot bison-native:do_populate_sysroot"
>>   do_kernel_configme[depends] += "kern-tools-native:do_populate_sysroot"
>> +RUST_KERNEL_TASK_DEPENDS ?=  "${@bb.utils.contains('DISTRO_FEATURES', 'rust-kernel', ' \
>> +                                  rust-native:do_populate_sysroot \
>> +                                  clang-native:do_populate_sysroot \
>> +                                  bindgen-cli-native:do_populate_sysroot', '', d)}"
>> +do_kernel_configme[depends] += "${RUST_KERNEL_TASK_DEPENDS}"
>>   do_kernel_configme[dirs] += "${S} ${B}"
>>   do_kernel_configme() {
>>          if ${@bb.utils.contains('DISTRO_FEATURES', 'rust-kernel', 'true', 'false', d)}; then
>> @@ -513,6 +518,10 @@ do_kernel_configme() {
>>                  echo "# Global settings from linux recipe" >> ${B}/.config
>>                  echo "CONFIG_LOCALVERSION="\"${LINUX_VERSION_EXTENSION}\" >> ${B}/.config
>>          fi
>> +
>> +       if ${@bb.utils.contains('DISTRO_FEATURES', 'rust-kernel', 'true', 'false', d)}; then
>> +               oe_runmake -C ${S} O=${B} rustavailable
>> +       fi
>>   }
>>
>>   addtask kernel_configme before do_configure after do_patch
>> --
>> 2.49.0
>>
>
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