diff mbox series

[v2,1/3] kernel-arch: fall back to GNU ld unless ld-is-lld is in DISTRO_FEATURES

Message ID 20260714132642.2225115-2-mark.yang@lge.com
State New
Headers show
Series kernel: make the kernel toolchain switchable to clang | expand

Commit Message

mark.yang July 14, 2026, 1:26 p.m. UTC 
From: "mark.yang" <mark.yang@lge.com>

Nothing stages a bare ld.lld unless ld-is-lld is in DISTRO_FEATURES,
so a clang kernel fails its first linker check on any other setup.
Use GNU ld.bfd from binutils-cross instead.

Signed-off-by: mark.yang <mark.yang@lge.com>
---
v2: new patch; the merged clang support uses a bare ld.lld which
    nothing stages without ld-is-lld

 meta/classes-recipe/kernel-arch.bbclass | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/meta/classes-recipe/kernel-arch.bbclass b/meta/classes-recipe/kernel-arch.bbclass
index 6ebc0f13ea..321c9ed577 100644
--- a/meta/classes-recipe/kernel-arch.bbclass
+++ b/meta/classes-recipe/kernel-arch.bbclass
@@ -88,7 +88,7 @@  KERNEL_CC:toolchain-clang = "${CCACHE}clang ${HOST_CC_KERNEL_ARCH} \
  -ffile-prefix-map=${STAGING_KERNEL_DIR}=${KERNEL_SRC_PATH} \
  -ffile-prefix-map=${STAGING_KERNEL_BUILDDIR}=${KERNEL_SRC_PATH} \
 "
-KERNEL_LD:toolchain-clang = "ld.lld ${HOST_LD_KERNEL_ARCH}"
+KERNEL_LD:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', 'ld.lld', '${HOST_PREFIX}ld.bfd', d)} ${HOST_LD_KERNEL_ARCH}"
 KERNEL_AR:toolchain-clang = "llvm-ar ${HOST_AR_KERNEL_ARCH}"
 KERNEL_OBJCOPY:toolchain-clang = "llvm-objcopy ${HOST_OBJCOPY_KERNEL_ARCH}"
 KERNEL_STRIP:toolchain-clang = "llvm-strip"