From 1d6c7889b10a1c3681e718f4c2eb0eba013a7a19 Mon Sep 17 00:00:00 2001
From: David Brown <dave.github@brownsmeet.com>
Date: Tue, 8 Nov 2016 20:18:14 +0000
Subject: [PATCH] Use _alloca /only/ on MSC, not on mingw. Elsewhere it is
 alloca.

---
 src/runtime/SYSTEM.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/runtime/SYSTEM.h b/src/runtime/SYSTEM.h
index 3f3b6133..d9778393 100644
--- a/src/runtime/SYSTEM.h
+++ b/src/runtime/SYSTEM.h
@@ -26,7 +26,7 @@
 #define _SIZE_T_DEFINED_ // For OpenBSD
 
 void *memcpy(void *dest, const void *source, size_t size);
-#if defined _WIN32
+#if defined _MSC_VER
 #define alloca _alloca
 #endif
 void *alloca(size_t size);