From c2316dcda1cd057d7d4a56e3a51e3f8f0527e906 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter_e@gmx.net>
Date: Fri, 18 Oct 2013 08:29:18 -0400
Subject: [PATCH] Fix for lack of va_copy() on certain Windows versions

Based-on-patch-by: David Rowley <dgrowleyml@gmail.com>
---
 src/include/port/win32.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/include/port/win32.h b/src/include/port/win32.h
index 2c2d93765ee..70175d14a57 100644
--- a/src/include/port/win32.h
+++ b/src/include/port/win32.h
@@ -237,6 +237,15 @@ int			setitimer(int which, const struct itimerval * value, struct itimerval * ov
 #endif
 #endif
 
+/*
+ * Supplement to <stdarg.h>
+ */
+
+/* Visual Studios 2012 and earlier don't have va_copy() */
+#if defined(_MSC_VER) && _MSC_VER <= 1700
+#define va_copy(dest, src) ((dest) = (src))
+#endif
+
 /*
  * Supplement to <sys/types.h>.
  *