From e78c6c8dd0d4fb66b888c962d50da33c6704c395 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 2 Nov 2018 12:44:17 +0200
Subject: Use rule-specific variables for backlink value

---
 build2/context.hxx | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'build2/context.hxx')

diff --git a/build2/context.hxx b/build2/context.hxx
index cf7eee6..0675e6c 100644
--- a/build2/context.hxx
+++ b/build2/context.hxx
@@ -287,6 +287,8 @@ namespace build2
   // copy      - make a copy.
   // overwrite - copy over but don't remove on clean (committed gen code).
   //
+  // Note that it can be set by a matching rule as a rule-specific variable.
+  //
   extern const variable* var_backlink;        // [string] target visibility
 
   // Prerequisite inclusion/exclusion. Valid values are:
-- 
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