From c2933b92e3a033df6c70b25cf3fb381d8cd20ec8 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Thu, 9 Oct 2014 10:52:53 -0600
Subject: [PATCH] libc/aio/aio.h is empty, but add some protection anyway in
 case it is ever used in the future

---
 libc/aio/aio.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libc/aio/aio.h b/libc/aio/aio.h
index 3adc53ed2b..f1376be9ab 100644
--- a/libc/aio/aio.h
+++ b/libc/aio/aio.h
@@ -42,6 +42,8 @@
 
 #include <nuttx/config.h>
 
+#ifdef CONFIG_FS_AIO
+
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
@@ -67,4 +69,5 @@ extern "C"
  * Public Function Prototypes
  ****************************************************************************/
 
+#endif /* CONFIG_FS_AIO */
 #endif /* __LIBC_AIO_AIO_H */