From c754a2a98c425b4a6f1bdee6f0491034dec0292d Mon Sep 17 00:00:00 2001
From: Sami Vaarala <sami.vaarala@iki.fi>
Date: Thu, 9 Oct 2014 00:47:48 +0300
Subject: [PATCH] Variadic macros for VS2005+

---
 src/duk_features.h.in | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/duk_features.h.in b/src/duk_features.h.in
index c69334c5..2223a429 100644
--- a/src/duk_features.h.in
+++ b/src/duk_features.h.in
@@ -2414,10 +2414,15 @@ typedef FILE duk_file;
 #undef DUK_USE_ZERO_BUFFER_DATA
 #endif
 
+#undef DUK_USE_VARIADIC_MACROS
 #if defined(DUK_F_C99) || (defined(DUK_F_CPP11) && defined(__GNUC__))
 #define DUK_USE_VARIADIC_MACROS
-#else
-#undef DUK_USE_VARIADIC_MACROS
+#endif
+#if defined(_MSC_VER) && !defined(DUK_USE_VARIADIC_MACROS)
+#if (_MSC_VER >= 1400)
+/* VS2005+ should have variadic macros even when they're not C99. */
+#define DUK_USE_VARIADIC_MACROS
+#endif
 #endif
 
 /*