From e09383d343b10d7cd417a072421cab9cd80a0ad8 Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Mon, 10 Feb 2020 11:47:03 +0100
Subject: [PATCH] sys/newlib_syscalls_default: mark _exit as used

---
 sys/newlib_syscalls_default/syscalls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/newlib_syscalls_default/syscalls.c b/sys/newlib_syscalls_default/syscalls.c
index 0e2fbe9e4f..b704ee2369 100644
--- a/sys/newlib_syscalls_default/syscalls.c
+++ b/sys/newlib_syscalls_default/syscalls.c
@@ -169,7 +169,7 @@ __attribute__((used)) void _fini(void)
  *
  * @param n     the exit code, 0 for all OK, >0 for not OK
  */
-void _exit(int n)
+__attribute__((used)) void _exit(int n)
 {
     LOG_INFO("#! exit %i: powering off\n", n);
     pm_off();