_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/firmware/fw_namespace.c | 1 - 1 file changed, 1 deletion(-) diff --git a/tools/testing/selftests/firmware/fw_namespace.c b/tools/testing/selftests/firmware/fw_namespace.c index 04757dc7e546..c16c185753ad 100644 --- a/tools/testing/selftests/firmware/fw_namespace.c +++ b/tools/testing/selftests/firmware/fw_namespace.c @@ -2,7 +2,6 @@ /* Test triggering of loading of firmware from different mount * namespaces. Expect firmware to be always loaded from the mount * namespace of PID 1. */ -#define _GNU_SOURCE #include <errno.h> #include <fcntl.h> #include <sched.h> -- 2.45.0.118.g7fe29c98d7-goog