From ab4c8583dbd85641c964ce1cb32e06951f2dc457 Mon Sep 17 00:00:00 2001
From: Zsolt Parragi <zsolt.parragi@cancellar.hu>
Date: Sat, 9 Jul 2016 14:47:46 +0200
Subject: [PATCH] Enabled constepxr support for clang-cl.

---
 enum.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/enum.h b/enum.h
index ac8c495..f0e96e5 100644
--- a/enum.h
+++ b/enum.h
@@ -38,6 +38,11 @@
 #endif
 
 #ifdef _MSC_VER
+#   ifdef __clang__
+#       if __has_feature(cxx_constexpr)
+#           define BETTER_ENUMS_HAVE_CONSTEXPR
+#       endif
+#   endif
 #   ifndef _CPPUNWIND
 #       define BETTER_ENUMS_NO_EXCEPTIONS
 #   endif