Fixes "'linker' input unused [-Wunused-command-line-argument]" errors when compiling with clang. Additionally pass -ffreestanding to prohibit memset/memcpy stdlib calls for optimized enclave code. Signed-off-by: Jo Van Bulck <jo.vanbulck@xxxxxxxxxxxxxx> --- tools/testing/selftests/sgx/Makefile | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/sgx/Makefile b/tools/testing/selftests/sgx/Makefile index c5483445ba28..aff419615462 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 -ENCL_CFLAGS := -Wall -Werror -static -nostdlib -nostartfiles -fPIE \ - -fno-stack-protector -mrdrnd $(INCLUDES) +HOST_CFLAGS := -Wall -Werror -g $(INCLUDES) -fPIC +HOST_LDFLAGS := -z noexecstack -lcrypto +ENCL_CFLAGS := -Wall -Werror -static -nostdlib -ffreestanding \ + -nostartfiles -fPIE -fno-stack-protector -mrdrnd $(INCLUDES) +ENCL_LDFLAGS := -z noexecstack -Wl,--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 $@ @@ -46,7 +48,7 @@ $(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 + $(CC) $(ENCL_CFLAGS) -T $^ -o $@ $(ENCL_LDFLAGS) EXTRA_CLEAN := \ $(OUTPUT)/test_encl.elf \ -- 2.34.1
