[PATCH v6 11/13] selftests/ring-buffer: Drop redundant -D_GNU_SOURCE CFLAGS in Makefile

-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@google.com --- tools/testing/selftests/ring-buffer/Makefile | 1 - 1 file changed, 1 deletion(-)

diff --git a/tools/testing/selftests/ring-buffer/Makefile b/tools/testing/selftests/ring-buffer/Makefile index 627c5fa6d1ab..23605782639e 100644 --- a/tools/testing/selftests/ring-buffer/Makefile +++ b/tools/testing/selftests/ring-buffer/Makefile @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 CFLAGS += -Wl,-no-as-needed -Wall CFLAGS += $(KHDR_INCLUDES) -CFLAGS += -D_GNU_SOURCE

TEST_GEN_PROGS = map_test