From 8329f4867b3f843318134f756c9c0fb27a5befd4 Mon Sep 17 00:00:00 2001
From: Jaap de Wolff <info@jasoon.nl>
Date: Mon, 12 Feb 2018 12:23:43 +0100
Subject: [PATCH] add forward declaration to __cxa_atexit to aeabi_atexit, to
 prevent warnings

---
 newlib/libc/sys/arm/aeabi_atexit.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/newlib/libc/sys/arm/aeabi_atexit.c b/newlib/libc/sys/arm/aeabi_atexit.c
index 4b600e250..a5626b732 100644
--- a/newlib/libc/sys/arm/aeabi_atexit.c
+++ b/newlib/libc/sys/arm/aeabi_atexit.c
@@ -1,5 +1,8 @@
 #include <stdlib.h>
 
+/* forward declaration */
+extern int __cxa_atexit (void (*) (void *), void *, void *);
+
 /* Register a function to be called by exit or when a shared library
    is unloaded.  This routine is like __cxa_atexit, but uses the
    calling sequence required by the ARM EABI.  */