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Message-Id: <20230627130122.1491765-2-kernel@xen0n.name>
Date: Tue, 27 Jun 2023 21:01:21 +0800
From: WANG Xuerui <kernel@...0n.name>
To: Huacai Chen <chenhuacai@...nel.org>
Cc: WANG Rui <wangrui@...ngson.cn>,
Nathan Chancellor <nathan@...nel.org>,
Xi Ruoyao <xry111@...111.site>, loongarch@...ts.linux.dev,
linux-kbuild@...r.kernel.org, llvm@...ts.linux.dev,
linux-kernel@...r.kernel.org, WANG Xuerui <git@...0n.name>
Subject: [PATCH 1/2] LoongArch: vDSO: Use CLANG_FLAGS instead of filtering out '--target='
From: WANG Xuerui <git@...0n.name>
This is a port of commit 76d7fff22be3e ("MIPS: VDSO: Use CLANG_FLAGS
instead of filtering out '--target='") to arch/loongarch, for fixing
cross-compilation with Clang.
Reported-by: Nathan Chancellor <nathan@...nel.org>
Link: https://github.com/ClangBuiltLinux/linux/issues/1787#issuecomment-1608306002
Signed-off-by: WANG Xuerui <git@...0n.name>
---
arch/loongarch/vdso/Makefile | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/loongarch/vdso/Makefile b/arch/loongarch/vdso/Makefile
index 3f9df4d9930f..a50308b6fc25 100644
--- a/arch/loongarch/vdso/Makefile
+++ b/arch/loongarch/vdso/Makefile
@@ -12,12 +12,9 @@ ccflags-vdso := \
$(filter -E%,$(KBUILD_CFLAGS)) \
$(filter -march=%,$(KBUILD_CFLAGS)) \
$(filter -m%-float,$(KBUILD_CFLAGS)) \
+ $(CLANG_FLAGS) \
-D__VDSO__
-ifeq ($(cc-name),clang)
-ccflags-vdso += $(filter --target=%,$(KBUILD_CFLAGS))
-endif
-
cflags-vdso := $(ccflags-vdso) \
-isystem $(shell $(CC) -print-file-name=include) \
$(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \
--
2.40.0
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