From 88d26293e08647361824622765f6f3c9cafde577 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 22 Jun 2015 09:39:14 +0200
Subject: Remove prerequisite rewriting from inject_parent_fsdir()

---
 build/algorithm.cxx | 23 ++++-------------------
 1 file changed, 4 insertions(+), 19 deletions(-)

(limited to 'build/algorithm.cxx')

diff --git a/build/algorithm.cxx b/build/algorithm.cxx
index 2529e13..abae023 100644
--- a/build/algorithm.cxx
+++ b/build/algorithm.cxx
@@ -206,26 +206,11 @@ namespace build
     if (!d.sub (out_root) || d == out_root)
       return;
 
-    prerequisite& p (
-      s.prerequisites.insert (
-        fsdir::static_type,
-        d,
-        string (),
-        nullptr,
-        s,
-        trace).first);
-
-    // This function is normally called from match() which means
-    // it can be called several times if we are performing several
-    // operations (e.g., clean update). Since it is a fairly common
-    // pattern to add this prerequisite at the end, do a quick check
-    // if the last prerequisite is already what we are about to add.
-    //
-    if (!t.prerequisites.empty () && &t.prerequisites.back ().get () == &p)
-      return;
+    level5 ([&]{trace << "for " << t;});
 
-    level5 ([&]{trace << "injecting prerequisite for " << t;});
-    t.prerequisites.emplace_back (p);
+    fsdir& dt (search<fsdir> (d, string (), nullptr, &s));
+    match (a, dt);
+    t.prerequisite_targets.emplace_back (&dt);
   }
 
   target_state
-- 
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