_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/filelock/ofdlocks.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/tools/testing/selftests/filelock/ofdlocks.c b/tools/testing/selftests/filelock/ofdlocks.c index a55b79810ab2..301c63ddcceb 100644 --- a/tools/testing/selftests/filelock/ofdlocks.c +++ b/tools/testing/selftests/filelock/ofdlocks.c @@ -1,6 +1,4 @@ // SPDX-License-Identifier: GPL-2.0 - -#define _GNU_SOURCE #include <fcntl.h> #include <assert.h> #include <stdio.h> -- 2.45.0.118.g7fe29c98d7-goog