-D_GNU_SOURCE= will be provided by lib.mk CFLAGS, so -D_GNU_SOURCE should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx> --- tools/testing/selftests/riscv/mm/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/riscv/mm/Makefile b/tools/testing/selftests/riscv/mm/Makefile index c333263f2b27..4664ed79e20b 100644 --- a/tools/testing/selftests/riscv/mm/Makefile +++ b/tools/testing/selftests/riscv/mm/Makefile @@ -3,7 +3,7 @@ # Originally tools/testing/arm64/abi/Makefile # Additional include paths needed by kselftest.h and local headers -CFLAGS += -D_GNU_SOURCE -std=gnu99 -I. +CFLAGS += -std=gnu99 -I. TEST_GEN_FILES := mmap_default mmap_bottomup -- 2.45.2.741.gdbec12cfda-goog