From 835782a98023e1663a0c7aca9d4ea6d518d4ccb3 Mon Sep 17 00:00:00 2001
From: Clifford Heath <clifford.heath@gmail.com>
Date: Fri, 26 Aug 2011 18:02:20 +0200
Subject: [PATCH] eio: Mac OSX 10.5 (Leopard) does not have fdatasync

---
 src/eio/config_darwin.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/eio/config_darwin.h b/src/eio/config_darwin.h
index f4c4da97..f406759e 100644
--- a/src/eio/config_darwin.h
+++ b/src/eio/config_darwin.h
@@ -8,7 +8,11 @@
 /* #undef HAVE_FALLOCATE */
 
 /* fdatasync(2) is available */
+#if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1060
 #define HAVE_FDATASYNC 1
+#else
+#define HAVE_FDATASYNC 0
+#endif
 
 /* futimes(2) is available */
 #define HAVE_FUTIMES 1