From 74212589a797ca75e55f92a522e198915c0dbaf6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 1 Dec 2015 15:37:04 +0200
Subject: Use 'extension' variable to resolve extension for file{}

We now also check target type/pattern-specific variables. So the new
usage is:

cli{*}: extension = cli
---
 build/variable | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'build/variable')

diff --git a/build/variable b/build/variable
index 2aec39d..7976ab9 100644
--- a/build/variable
+++ b/build/variable
@@ -768,8 +768,13 @@ namespace build
   //    consider its lifetime.
   //
   using variable_pattern_map = std::map<std::string, variable_map>;
-  using variable_type_map = std::map<std::reference_wrapper<const target_type>,
-                                     variable_pattern_map>;
+
+  struct variable_type_map: std::map<std::reference_wrapper<const target_type>,
+                                     variable_pattern_map>
+  {
+    build::lookup<const value>
+    lookup (const target_type&, const string& name, const variable&) const;
+  };
 }
 
 #include <build/variable.ixx>
-- 
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