[PATCH v5 65/68] selftests/vDSO: Append to CFLAGS in Makefile

[Edward Liaw]

Instead of overwriting the CFLAGS that is imported from lib.mk, append
to it instead.

Signed-off-by: Edward Liaw <edliaw at google.com>
---
 tools/testing/selftests/vDSO/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/vDSO/Makefile b/tools/testing/selftests/vDSO/Makefile
index d53a4d8008f9..fd36979435b6 100644
--- a/tools/testing/selftests/vDSO/Makefile
+++ b/tools/testing/selftests/vDSO/Makefile
@@ -12,7 +12,7 @@ TEST_GEN_PROGS += $(OUTPUT)/vdso_standalone_test_x86
 endif
 TEST_GEN_PROGS += $(OUTPUT)/vdso_test_correctness
 
-CFLAGS := -std=gnu99
+CFLAGS += -std=gnu99
 CFLAGS_vdso_standalone_test_x86 := -nostdlib -fno-asynchronous-unwind-tables -fno-stack-protector
 LDFLAGS_vdso_test_correctness := -ldl
 ifeq ($(CONFIG_X86_32),y)
-- 
2.45.1.288.g0e0cd299f1-goog