From 7eb064cda1a48dffba306792422f26e924102153 Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Mon, 24 Oct 2016 08:06:27 +0200
Subject: Make <sys/proc.h> self-sufficient

---
 freebsd/sys/sys/proc.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/freebsd/sys/sys/proc.h b/freebsd/sys/sys/proc.h
index 1593eb2f..e866552c 100644
--- a/freebsd/sys/sys/proc.h
+++ b/freebsd/sys/sys/proc.h
@@ -196,6 +196,8 @@ struct rusage_ext {
 	uint64_t	rux_tu;         /* (c) Previous total time in usec. */
 };
 #ifdef __rtems__
+#include <errno.h>
+
 enum thread_sq_states {
 	TD_SQ_WAKEUP,
 	TD_SQ_PANIC = EWOULDBLOCK,
-- 
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