[PATCH v5 04/13] selftests/sgx: Separate linker options

From: Jo Van Bulck
Date: Thu Aug 31 2023 - 09:42:19 EST


Fixes "'linker' input unused [-Wunused-command-line-argument]" errors when
compiling with clang.

Signed-off-by: Jo Van Bulck <jo.vanbulck@xxxxxxxxxxxxxx>
Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
---
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 50aab6b57da3..dcdd04b322f8 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 -fPIC \
+HOST_CFLAGS := -Wall -Werror -g $(INCLUDES) -fPIC
+HOST_LDFLAGS := -z noexecstack -lcrypto
+ENCL_CFLAGS += -Wall -Werror -static -nostdlib -nostartfiles -fPIC \
-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