base: linux-lmp: build with clang

Signed-off-by: Jose Quaresma <[email protected]>
foundriesio · May 9, 2023 · bcc457f · bcc457f
1 parent 6e74f8c
commit bcc457f
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diff --git a/meta-lmp-base/recipes-kernel/linux/linux-lmp-clang.inc b/meta-lmp-base/recipes-kernel/linux/linux-lmp-clang.inc
@@ -0,0 +1,12 @@
+# https://github.com/kraj/meta-clang#kernel-build-with-clang
+
+TOOLCHAIN:forcevariable = "clang"
+
+DEPENDS:append:toolchain-clang = " clang-cross-${TARGET_ARCH}"
+KERNEL_CC:toolchain-clang = "${CCACHE}clang ${HOST_CC_KERNEL_ARCH} ${DEBUG_PREFIX_MAP} -fdebug-prefix-map=${STAGING_KERNEL_DIR}=${KERNEL_SRC_PATH}"
+KERNEL_LD:toolchain-clang = "${CCACHE}ld.lld"
+KERNEL_AR:toolchain-clang = "${CCACHE}llvm-ar"
+
+# FIXME: hacks
+do_kernel_configcheck[noexec] = "1"
+CFLAGS:append:toolchain-clang = " -Wno-error=address-of-packed-member"
diff --git a/meta-lmp-base/recipes-kernel/linux/linux-lmp.inc b/meta-lmp-base/recipes-kernel/linux/linux-lmp.inc
@@ -26,3 +26,5 @@ do_deploy:append() {
     cp -a ${B}/.config ${DEPLOYDIR}/${KERNEL_CONFIG_NAME}
     ln -sf ${KERNEL_CONFIG_NAME} ${DEPLOYDIR}/${KERNEL_CONFIG_LINK_NAME}
 }
+
+require linux-lmp-clang.inc