From ae579402c8c64ea8ceea2e9fcee5097b3c53e353 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 13 Oct 2016 18:20:35 +0200
Subject: Minor dependency cleanup

---
 build2/variable | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'build2/variable')

diff --git a/build2/variable b/build2/variable
index 326c290..6bdc728 100644
--- a/build2/variable
+++ b/build2/variable
@@ -930,8 +930,9 @@ namespace build2
     const variable_map* stem_vars = nullptr; // NULL means there is no stem.
   };
 
-  extern std::map<pair<const variable_map*, const variable*>,
-                  variable_override_value> variable_override_cache;
+  using variable_override_cache = std::map<pair<const variable_map*,
+                                                const variable*>,
+                                           variable_override_value>;
 }
 
 #include <build2/variable.ixx>
-- 
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