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charset="utf-8" First of all, in order to build with clang at all, one must first apply Valentin Obst's build fix for LLVM [1]. Once that is done, then when building with clang, via: make LLVM=3D1 -C tools/testing/selftests ...clang warns that -no-pie is "unused during compilation". This occurs because clang only wants to see -no-pie during linking. Here, we don't have a separate linking stage, so a compiler warning is unavoidable without (wastefully) restructuring the Makefile. Avoid the warning by simply disabling that warning, for clang builds. [1] https://lore.kernel.org/all/20240329-selftests-libmk-llvm-rfc-v1-1-2f9e= d7d1c49f@valentinobst.de/ Signed-off-by: John Hubbard --- tools/testing/selftests/x86/Makefile | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests= /x86/Makefile index d0bb32bd5538..5c8757a25998 100644 --- a/tools/testing/selftests/x86/Makefile +++ b/tools/testing/selftests/x86/Makefile @@ -40,6 +40,13 @@ CFLAGS :=3D -O2 -g -std=3Dgnu99 -pthread -Wall $(KHDR_IN= CLUDES) # call32_from_64 in thunks.S uses absolute addresses. ifeq ($(CAN_BUILD_WITH_NOPIE),1) CFLAGS +=3D -no-pie + +ifneq ($(LLVM),) +# clang only wants to see -no-pie during linking. Here, we don't have a se= parate +# linking stage, so a compiler warning is unavoidable without (wastefully) +# restructuring the Makefile. Avoid this by simply disabling that warning. +CFLAGS +=3D -Wno-unused-command-line-argument +endif endif =20 define gen-target-rule-32 --=20 2.45.0