More performance optimizations (Charles Crain)

1 files changed, 3 insertions, 0 deletions

diff --git a/src/engine/SCons/Node/__init__.py b/src/engine/SCons/Node/__init__.py
index 03e347e..1222b1e 100644
--- a/src/engine/SCons/Node/__init__.py
+++ b/src/engine/SCons/Node/__init__.py
@@ -71,6 +71,7 @@ class Node:
         self.csig = None
         self.use_signature = 1
         self.precious = None
+        self.found_includes = {}
 
     def build(self):
         """Actually build the node.   Return the status from the build."""
@@ -95,6 +96,8 @@ class Node:
         if stat:
             raise BuildError(node = self, errstr = "Error %d" % stat)
 
+        self.found_includes = {}
+
         # If we succesfully build a node, then we need to rescan for
         # implicit dependencies, since it might have changed on us.