[PATCH v3 26/26] arm64: vdso32: Enable Clang Compilation
From: Vincenzo Frascino <vincenzo.frascino@arm.com>
Date: 2020-03-13 15:45:38
Also in:
linux-arch, linux-mips, lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
Enable Clang Compilation for the vdso32 library. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Reviewed-by: Nathan Chancellor <redacted> Tested-by: Nathan Chancellor <redacted> # build Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> --- 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 04df57b43cb1..3964738ebbde 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
--
2.25.1
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