From ec7b7e37ce97d25adc209befb2c12cf16eb06ef1 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Tue, 28 Jun 2016 13:00:14 +0300
Subject: Port to MSVC

---
 build2/scope.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'build2/scope.cxx')

diff --git a/build2/scope.cxx b/build2/scope.cxx
index c9a8ab9..0ef8de6 100644
--- a/build2/scope.cxx
+++ b/build2/scope.cxx
@@ -540,7 +540,9 @@ namespace build2
     return r;
   }
 
-  constexpr const char derived_tt_ext_var[] = "extension";
+  // VC 19 rejects constexpr.
+  //
+  extern const char derived_tt_ext_var[] = "extension";
 
   pair<reference_wrapper<const target_type>, bool> scope::
   derive_target_type (const string& name, const target_type& base)
-- 
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