kernel-arch: fall back to GNU ld unless ld-is-lld is in DISTRO_FEATURES

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>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes-recipe/kernel-arch.bbclass b/meta/classes-recipe/kernel-arch.bbclass
index 6ebc0f13eae57c17e9c8a4774c116a485a19b5d4..321c9ed577c8f6665baabc4948865c9aacb75c7b 100644 (file)
--- 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"