diff --git a/Mac/Lib/Carbon/IBCarbonRuntime.py b/Mac/Lib/Carbon/IBCarbonRuntime.py
new file mode 100644
index 0000000..4678018
--- /dev/null
+++ b/Mac/Lib/Carbon/IBCarbonRuntime.py
@@ -0,0 +1,5 @@
+# Generated from 'IBCarbonRuntime.h'
+
+kIBCarbonRuntimeCantFindNibFile = -10960
+kIBCarbonRuntimeObjectNotOfRequestedType = -10961
+kIBCarbonRuntimeCantFindObject = -10962