_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent redefinition warnings. Fixes: 809216233555 ("selftests/harness: remove use of LINE_MAX") Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx> --- tools/testing/selftests/rlimits/rlimits-per-userns.c | 1 - 1 file changed, 1 deletion(-) diff --git a/tools/testing/selftests/rlimits/rlimits-per-userns.c b/tools/testing/selftests/rlimits/rlimits-per-userns.c index 26dc949e93ea..e0b4f2af9cee 100644 --- a/tools/testing/selftests/rlimits/rlimits-per-userns.c +++ b/tools/testing/selftests/rlimits/rlimits-per-userns.c @@ -2,7 +2,6 @@ /* * Author: Alexey Gladkov <gladkov.alexey@xxxxxxxxx> */ -#define _GNU_SOURCE #include <sys/types.h> #include <sys/wait.h> #include <sys/time.h> -- 2.45.0.118.g7fe29c98d7-goog