From ca7db0a1b856909efe127d3b47b50a0144e5c2c9 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 4 May 2020 11:05:23 +0200
Subject: WIP

---
 libbuild2/rule.hxx | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libbuild2/rule.hxx')

diff --git a/libbuild2/rule.hxx b/libbuild2/rule.hxx
index c15064e..d712957 100644
--- a/libbuild2/rule.hxx
+++ b/libbuild2/rule.hxx
@@ -122,6 +122,9 @@ namespace build2
     virtual recipe
     apply (action, target&) const override;
 
+    static target_state
+    perform_update (action, const target&, const adhoc_recipe&);
+
     adhoc_rule () {}
     static const adhoc_rule instance;
     static const rule_match match_instance;
-- 
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