From b4cf93e3ad705e8cf5b121652844a9de6d1c056b Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@oarcorp.com>
Date: Fri, 31 Aug 2012 19:21:34 -0500
Subject: [PATCH] _iovec.h: Ensure only one definition of struct iovec

---
 freebsd/sys/_iovec.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/freebsd/sys/_iovec.h b/freebsd/sys/_iovec.h
index aef21a58..b259a2e1 100644
--- a/freebsd/sys/_iovec.h
+++ b/freebsd/sys/_iovec.h
@@ -40,9 +40,19 @@ typedef	__size_t	size_t;
 #define	_SIZE_T_DECLARED
 #endif
 
+#ifdef __rtems__
+#ifndef __IOVEC_DEFINED
+#define __IOVEC_DEFINED
 struct iovec {
 	void	*iov_base;	/* Base address. */
 	size_t	 iov_len;	/* Length. */
 };
+#endif
+#else
+struct iovec {
+	void	*iov_base;	/* Base address. */
+	size_t	 iov_len;	/* Length. */
+};
+#endif
 
 #endif /* !_SYS__IOVEC_HH_ */