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SubjectRe: [PATCH v3 8/9] selftests/sgx: Separate linker options
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On Sat Aug 19, 2023 at 12:43 PM EEST, Jo Van Bulck wrote:
> Fixes "'linker' input unused [-Wunused-command-line-argument]" errors when
> compiling with clang.
>
> Signed-off-by: Jo Van Bulck <jo.vanbulck@cs.kuleuven.be>
> ---
> tools/testing/selftests/sgx/Makefile | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/tools/testing/selftests/sgx/Makefile b/tools/testing/selftests/sgx/Makefile
> index 1d6315a2e..2de970f72 100644
> --- a/tools/testing/selftests/sgx/Makefile
> +++ b/tools/testing/selftests/sgx/Makefile
> @@ -12,9 +12,11 @@ OBJCOPY := $(CROSS_COMPILE)objcopy
> endif
>
> INCLUDES := -I$(top_srcdir)/tools/include
> -HOST_CFLAGS := -Wall -Werror -g $(INCLUDES) -fPIC -z noexecstack
> +HOST_CFLAGS := -Wall -Werror -g $(INCLUDES) -fPIC
> +HOST_LDFLAGS := -z noexecstack -lcrypto
> ENCL_CFLAGS := -Wall -Werror -static-pie -nostdlib -nostartfiles -fPIE \
> -fno-stack-protector -mrdrnd $(INCLUDES)
> +ENCL_LDFLAGS := -Wl,-T,test_encl.lds,--build-id=none
>
> TEST_CUSTOM_PROGS := $(OUTPUT)/test_sgx
> TEST_FILES := $(OUTPUT)/test_encl.elf
> @@ -28,7 +30,7 @@ $(OUTPUT)/test_sgx: $(OUTPUT)/main.o \
> $(OUTPUT)/sigstruct.o \
> $(OUTPUT)/call.o \
> $(OUTPUT)/sign_key.o
> - $(CC) $(HOST_CFLAGS) -o $@ $^ -lcrypto
> + $(CC) $(HOST_CFLAGS) -o $@ $^ $(HOST_LDFLAGS)
>
> $(OUTPUT)/main.o: main.c
> $(CC) $(HOST_CFLAGS) -c $< -o $@
> @@ -45,8 +47,8 @@ $(OUTPUT)/call.o: call.S
> $(OUTPUT)/sign_key.o: sign_key.S
> $(CC) $(HOST_CFLAGS) -c $< -o $@
>
> -$(OUTPUT)/test_encl.elf: test_encl.lds test_encl.c test_encl_bootstrap.S
> - $(CC) $(ENCL_CFLAGS) -T $^ -o $@ -Wl,--build-id=none
> +$(OUTPUT)/test_encl.elf: test_encl.c test_encl_bootstrap.S
> + $(CC) $(ENCL_CFLAGS) $^ -o $@ $(ENCL_LDFLAGS)
>
> EXTRA_CLEAN := \
> $(OUTPUT)/test_encl.elf \
> --
> 2.25.1

Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>

BR, Jarkko

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