_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx> --- tools/testing/selftests/mincore/mincore_selftest.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/tools/testing/selftests/mincore/mincore_selftest.c b/tools/testing/selftests/mincore/mincore_selftest.c index e949a43a6145..e12398366523 100644 --- a/tools/testing/selftests/mincore/mincore_selftest.c +++ b/tools/testing/selftests/mincore/mincore_selftest.c @@ -4,9 +4,6 @@ * * Copyright (C) 2020 Collabora, Ltd. */ - -#define _GNU_SOURCE - #include <stdio.h> #include <errno.h> #include <unistd.h> -- 2.45.1.288.g0e0cd299f1-goog