-D_GNU_SOURCE can be de-duplicated here, as it is added by lib.mk. Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx> --- tools/testing/selftests/proc/Makefile | 1 - 1 file changed, 1 deletion(-) diff --git a/tools/testing/selftests/proc/Makefile b/tools/testing/selftests/proc/Makefile index cd95369254c0..25c34cc9238e 100644 --- a/tools/testing/selftests/proc/Makefile +++ b/tools/testing/selftests/proc/Makefile @@ -1,6 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only CFLAGS += -Wall -O2 -Wno-unused-function -CFLAGS += -D_GNU_SOURCE LDFLAGS += -pthread TEST_GEN_PROGS := -- 2.45.1.288.g0e0cd299f1-goog