From 7292c24ba3e4c0016e40466239437fe5819c47de Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 23 Jul 2021 10:49:37 +0200
Subject: Reserve variable names/components that start with underscore to
 build2 core

---
 libbuild2/variable.cxx | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'libbuild2/variable.cxx')

diff --git a/libbuild2/variable.cxx b/libbuild2/variable.cxx
index 1855f3e..d84945f 100644
--- a/libbuild2/variable.cxx
+++ b/libbuild2/variable.cxx
@@ -1553,7 +1553,7 @@ namespace build2
     }
   }
 
-  variable& variable_pool::
+  pair<variable&, bool> variable_pool::
   insert (string n,
           const build2::value_type* t,
           const variable_visibility* v,
@@ -1619,7 +1619,7 @@ namespace build2
       update (var, pt, pv, po); // Not changing the key.
     }
 
-    return var;
+    return pair<variable&, bool> (var, r.second);
   }
 
   const variable& variable_pool::
@@ -1631,7 +1631,7 @@ namespace build2
                          var.type,
                          &var.visibility,
                          nullptr /* override */,
-                         false   /* pattern  */));
+                         false   /* pattern  */).first);
 
     assert (a.overrides == nullptr);
 
-- 
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