From: Harish Sadineni <[email protected]> Enable LLVM/Clang toolchain for riscv64 kernel builds when Rust support is enabled, as Rust is only supported with LLVM toolchains for this architecture.
This aligns with upstream kernel Rust architecture requirements as documented in: https://docs.kernel.org/rust/arch-support.html Acked-by: Bruce Ashfield <[email protected]> Signed-off-by: Harish Sadineni <[email protected]> --- meta/recipes-kernel/linux/linux-yocto.inc | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/meta/recipes-kernel/linux/linux-yocto.inc b/meta/recipes-kernel/linux/linux-yocto.inc index 4e230d405a..5d047b5f01 100644 --- a/meta/recipes-kernel/linux/linux-yocto.inc +++ b/meta/recipes-kernel/linux/linux-yocto.inc @@ -91,3 +91,7 @@ do_devshell:prepend() { d.setVar("HOSTPKG_CONFIG", "pkg-config-native") d.appendVar("OE_TERMINAL_EXPORTS", " HOSTPKG_CONFIG") } + +# For riscv64, Rust support in kernel only works with LLVM/Clang only. +# https://docs.kernel.org/rust/arch-support.html +TOOLCHAIN:riscv64 = "${@bb.utils.contains('KERNEL_FEATURES', 'rust', 'clang', 'gcc', d)}" -- 2.49.0
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