_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/perf_events/remove_on_exec.c | 2 -- tools/testing/selftests/perf_events/sigtrap_threads.c | 2 -- tools/testing/selftests/perf_events/watermark_signal.c | 2 -- 3 files changed, 6 deletions(-) diff --git a/tools/testing/selftests/perf_events/remove_on_exec.c b/tools/testing/selftests/perf_events/remove_on_exec.c index 5814611a1dc7..ef4d923f4759 100644 --- a/tools/testing/selftests/perf_events/remove_on_exec.c +++ b/tools/testing/selftests/perf_events/remove_on_exec.c @@ -5,8 +5,6 @@ * Copyright (C) 2021, Google LLC. */ -#define _GNU_SOURCE - /* We need the latest siginfo from the kernel repo. */ #include <sys/types.h> #include <asm/siginfo.h> diff --git a/tools/testing/selftests/perf_events/sigtrap_threads.c b/tools/testing/selftests/perf_events/sigtrap_threads.c index d1d8483ac628..14d1a3c8cb5c 100644 --- a/tools/testing/selftests/perf_events/sigtrap_threads.c +++ b/tools/testing/selftests/perf_events/sigtrap_threads.c @@ -5,8 +5,6 @@ * Copyright (C) 2021, Google LLC. */ -#define _GNU_SOURCE - /* We need the latest siginfo from the kernel repo. */ #include <sys/types.h> #include <asm/siginfo.h> diff --git a/tools/testing/selftests/perf_events/watermark_signal.c b/tools/testing/selftests/perf_events/watermark_signal.c index 49dc1e831174..19557bd16e9e 100644 --- a/tools/testing/selftests/perf_events/watermark_signal.c +++ b/tools/testing/selftests/perf_events/watermark_signal.c @@ -1,6 +1,4 @@ // SPDX-License-Identifier: GPL-2.0 -#define _GNU_SOURCE - #include <errno.h> #include <fcntl.h> #include <linux/perf_event.h> -- 2.45.1.288.g0e0cd299f1-goog