From 19dd181b6f58d1a02bf66c3d8e18ac2dd21211e0 Mon Sep 17 00:00:00 2001
From: Leo Yuriev <leo@yuriev.ru>
Date: Wed, 31 May 2017 17:09:43 +0300
Subject: [PATCH] mdbx: fix STATIC_ASSERT for MSVC.

---
 src/defs.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/defs.h b/src/defs.h
index 5e3db8cb..6ef6e35a 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -375,6 +375,9 @@
 #       define STATIC_ASSERT_MSG(expr, msg) _Static_assert(expr, msg)
 #   elif defined(static_assert)
 #       define STATIC_ASSERT_MSG(expr, msg) static_assert(expr, msg)
+#   elif defined(_MSC_VER)
+#       include <crtdbg.h>
+#       define STATIC_ASSERT_MSG(expr, msg) _STATIC_ASSERT(expr)
 #   else
 #       define STATIC_ASSERT_MSG(expr, msg) switch (0) {case 0:case (expr):;}
 #   endif