lib.mk will add -D_GNU_SOURCE to CFLAGS by default. This will make it unnecessary to add #define _GNU_SOURCE in the source code.
Suggested-by: John Hubbard <[email protected]> Signed-off-by: Edward Liaw <[email protected]> --- tools/testing/selftests/lib.mk | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 429535816dbd..e782f4c96aee 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -188,6 +188,9 @@ endef clean: $(if $(TEST_GEN_MODS_DIR),clean_mods_dir) $(CLEAN) +# Build with _GNU_SOURCE by default +CFLAGS += -D_GNU_SOURCE + # Enables to extend CFLAGS and LDFLAGS from command line, e.g. # make USERCFLAGS=-Werror USERLDFLAGS=-static CFLAGS += $(USERCFLAGS) -- 2.45.1.288.g0e0cd299f1-goog
