From 04c5a9c0838a9c44b55afb427169318ec4a44ec2 Mon Sep 17 00:00:00 2001
From: Tony Kelman <tony@kelman.net>
Date: Thu, 5 Mar 2015 19:42:54 -0800
Subject: [PATCH] Add some missing definitions for mingw.org

these shouldn't be necessary if _WIN32_WINNT >= _WIN32_WINNT_VISTA
---
 src/win32/mingw-compat.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/win32/mingw-compat.h b/src/win32/mingw-compat.h
index feedfecf4..a4a5a31c7 100644
--- a/src/win32/mingw-compat.h
+++ b/src/win32/mingw-compat.h
@@ -17,6 +17,13 @@
 #define stat _stati64
 #endif
 
+#if _WIN32_WINNT < 0x0600 && !defined(__MINGW64_VERSION_MAJOR)
+#undef MemoryBarrier
+void __mingworg_MemoryBarrier(void);
+#define MemoryBarrier __mingworg_MemoryBarrier
+#define VOLUME_NAME_DOS 0x0
+#endif
+
 #endif
 
 #endif /* INCLUDE_mingw_compat__ */