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-rw-r--r--src/engine/SCons/Sig/__init__.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/engine/SCons/Sig/__init__.py b/src/engine/SCons/Sig/__init__.py
index 6bdfe09..dac3f6c 100644
--- a/src/engine/SCons/Sig/__init__.py
+++ b/src/engine/SCons/Sig/__init__.py
@@ -458,6 +458,9 @@ class Calculator:
oldtime, oldbsig, oldcsig = node.get_prevsiginfo()
+ if type(newsig) != type(oldbsig):
+ return 0
+
if not node.has_builder() and node.get_timestamp() == oldtime:
return 1