From e3e597180487328a54721e2afb95e33ed853d586 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 1 Feb 2017 16:36:24 +0200
Subject: Pass const scope& where modification should not happen

---
 build2/install/rule.cxx | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'build2/install/rule.cxx')

diff --git a/build2/install/rule.cxx b/build2/install/rule.cxx
index 13c93a7..8c21dc1 100644
--- a/build2/install/rule.cxx
+++ b/build2/install/rule.cxx
@@ -278,7 +278,10 @@ namespace build2
     // empty add it to install_dirs. Return the new last element.
     //
     static install_dir&
-    resolve_subdir (install_dirs& rs, target& t, scope& s, const lookup& l)
+    resolve_subdir (install_dirs& rs,
+                    target& t,
+                    const scope& s,
+                    const lookup& l)
     {
       // Find the scope from which this value came and use as a base
       // to calculate the subdirectory.
@@ -338,7 +341,7 @@ namespace build2
       }
 
       install_dir* r (&rs.back ());
-      scope& s (t.base_scope ());
+      const scope& s (t.base_scope ());
 
       // Override components in install_dir if we have our own.
       //
-- 
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