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-rw-r--r--src/engine/SCons/Node/__init__.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/engine/SCons/Node/__init__.py b/src/engine/SCons/Node/__init__.py
index 68a55f8..8e3ba7e 100644
--- a/src/engine/SCons/Node/__init__.py
+++ b/src/engine/SCons/Node/__init__.py
@@ -198,7 +198,11 @@ class Node:
if calc.current(self, calc.bsig(self)):
return
else:
+ # one of this node's sources has changed, so
+ # we need to recalculate the implicit deps,
+ # and the bsig:
self.implicit = []
+ self.bsig = None
for child in self.children(scan=0):
self._add_child(self.implicit,