When a Node has been built, don't walk the whole tree back to delete the parents's implicit dependencies, let returning up the normal Taskmaster descent take care of it for us.

2 files changed, 7 insertions, 7 deletions

diff --git a/src/CHANGES.txt b/src/CHANGES.txt
index 8d35dc5..b1d3119 100644
--- a/src/CHANGES.txt
+++ b/src/CHANGES.txt
@@ -115,6 +115,10 @@ RELEASE 0.96 - XXX
     to replace the default print behavior with a custom strfunction()
     for each of these.
 
+  - When a Node has been built, don't walk the whole tree back to delete
+    the parents's implicit dependencies, let returning up the normal
+    Taskmaster descent take care of it for us.
+
   From Gary Oberbrunner:
 
   - Add a --debug=presub option to print actions prior to substitution.
diff --git a/src/engine/SCons/Node/__init__.py b/src/engine/SCons/Node/__init__.py
index 59f2301..2841759 100644
--- a/src/engine/SCons/Node/__init__.py
+++ b/src/engine/SCons/Node/__init__.py
@@ -214,13 +214,9 @@ class Node:
         if self.source_scanner:
             self.found_includes = {}
             self.includes = None
-
-            def get_parents(node, parent): return node.get_parents()
-            def clear_cache(node, parent):
-                node.implicit = None
-                node.del_binfo()
-            w = Walker(self, get_parents, ignore_cycle, clear_cache)
-            while w.next(): pass
+            for parent in self.get_parents():
+                parent.implicit = None
+                parent.del_binfo()
 
         # The content just changed, delete any cached info
         # so it will get recalculated.