From 0d7c7f2c8bc044519b2936c9891d65701b7762bb Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 23 Jan 2017 13:58:42 +0200
Subject: Make rules const throughout

---
 build2/rule.cxx | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'build2/rule.cxx')

diff --git a/build2/rule.cxx b/build2/rule.cxx
index 1c0e08c..42d5eb8 100644
--- a/build2/rule.cxx
+++ b/build2/rule.cxx
@@ -110,7 +110,7 @@ namespace build2
     return default_recipe;
   }
 
-  file_rule file_rule::instance;
+  const file_rule file_rule::instance;
 
   // alias_rule
   //
@@ -132,7 +132,7 @@ namespace build2
     return default_recipe;
   }
 
-  alias_rule alias_rule::instance;
+  const alias_rule alias_rule::instance;
 
   // fsdir_rule
   //
@@ -222,9 +222,9 @@ namespace build2
     return ts;
   }
 
-  fsdir_rule fsdir_rule::instance;
+  const fsdir_rule fsdir_rule::instance;
 
   // fallback_rule
   //
-  fallback_rule fallback_rule::instance;
+  const fallback_rule fallback_rule::instance;
 }
-- 
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