From 67b17701d5b1753dc6aaf5a63a4dc2ef2642ba83 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 28 Jun 2018 13:29:05 +0200
Subject: Workaround for VC14 bug

---
 build2/variable.hxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/build2/variable.hxx b/build2/variable.hxx
index e11d00c..f9b8b3c 100644
--- a/build2/variable.hxx
+++ b/build2/variable.hxx
@@ -109,6 +109,9 @@ namespace build2
     prereq   // Prerequisite-specific.
   };
 
+  // VC14 reports ambiguity but seems to work if we don't provide any.
+  //
+#if !defined(_MSC_VER) || _MSC_VER > 1900
   inline bool
   operator> (variable_visibility l, variable_visibility r)
   {
@@ -132,6 +135,7 @@ namespace build2
   {
     return r >= l;
   }
+#endif
 
   ostream&
   operator<< (ostream&, variable_visibility);
-- 
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