The following commit has been merged into the timers/core branch of tip: Commit-ID: a5d442f50a41d7c5a6a97b19c49d8a1ee0cf128b Gitweb: https://git.kernel.org/tip/a5d442f50a41d7c5a6a97b19c49d8a1ee0cf128b Author: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> AuthorDate: Fri, 20 Mar 2020 14:53:51 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Sat, 21 Mar 2020 15:24:03 +01:00 arm64: vdso32: Enable Clang Compilation Enable Clang Compilation for the vdso32 library. Signed-off-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Tested-by: Nathan Chancellor <natechancellor@xxxxxxxxx> # build Tested-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> Reviewed-by: Nathan Chancellor <natechancellor@xxxxxxxxx> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Link: https://lkml.kernel.org/r/20200320145351.32292-27-vincenzo.frascino@xxxxxxx --- arch/arm64/kernel/vdso32/Makefile | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile index 04df57b..3964738 100644 --- a/arch/arm64/kernel/vdso32/Makefile +++ b/arch/arm64/kernel/vdso32/Makefile @@ -10,7 +10,18 @@ include $(srctree)/lib/vdso/Makefile # Same as cc-*option, but using CC_COMPAT instead of CC ifeq ($(CONFIG_CC_IS_CLANG), y) +COMPAT_GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE_COMPAT)elfedit)) +COMPAT_GCC_TOOLCHAIN := $(realpath $(COMPAT_GCC_TOOLCHAIN_DIR)/..) + +CC_COMPAT_CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE_COMPAT:%-=%)) +CC_COMPAT_CLANG_FLAGS += --prefix=$(COMPAT_GCC_TOOLCHAIN_DIR) +CC_COMPAT_CLANG_FLAGS += -no-integrated-as -Qunused-arguments +ifneq ($(COMPAT_GCC_TOOLCHAIN),) +CC_COMPAT_CLANG_FLAGS += --gcc-toolchain=$(COMPAT_GCC_TOOLCHAIN) +endif + CC_COMPAT ?= $(CC) +CC_COMPAT += $(CC_COMPAT_CLANG_FLAGS) else CC_COMPAT ?= $(CROSS_COMPILE_COMPAT)gcc endif
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