From e215c603ad6351926118219f6ea426ea48cb0d9e Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Thu, 9 Feb 2017 18:24:21 +0000
Subject: [PATCH] Use the same calling convention for all msvc clones.

---
 include/boost/regex/config.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/regex/config.hpp b/include/boost/regex/config.hpp
index a9acbe29..87bc085b 100644
--- a/include/boost/regex/config.hpp
+++ b/include/boost/regex/config.hpp
@@ -255,7 +255,7 @@
  *
  ****************************************************************************/
 
-#if defined(BOOST_MSVC) && defined(_MSC_EXTENSIONS)
+#if defined(_MSC_VER) && defined(_MSC_EXTENSIONS)
 #if defined(_DEBUG) || defined(__MSVC_RUNTIME_CHECKS) || defined(_MANAGED) || defined(BOOST_REGEX_NO_FASTCALL)
 #  define BOOST_REGEX_CALL __cdecl
 #else