From 1ab23739ad57b51c42ef8eb5e5ffb9de70106635 Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Sat, 3 Oct 2015 17:26:04 +0200
Subject: [PATCH] IOv1: Error handling pointer hackery

---
 nuttx-configs/px4io-v1/scripts/ld.script | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nuttx-configs/px4io-v1/scripts/ld.script b/nuttx-configs/px4io-v1/scripts/ld.script
index 69c2f9cb2e..1a73b432c1 100755
--- a/nuttx-configs/px4io-v1/scripts/ld.script
+++ b/nuttx-configs/px4io-v1/scripts/ld.script
@@ -72,6 +72,11 @@ SECTIONS
 		*(.gcc_except_table)
 		*(.gnu.linkonce.r.*)
 		_etext = ABSOLUTE(.);
+		/* 
+		 * This is a hack to make the newlib libm __errno() call
+		 * use the NuttX get_errno_ptr() function.
+		 */
+		__errno = get_errno_ptr;
 	} > flash
 
 	/*