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-rw-r--r--Modules/_tkinter.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c
index 100e06f227..3cc6bfa911 100644
--- a/Modules/_tkinter.c
+++ b/Modules/_tkinter.c
@@ -46,6 +46,11 @@ Copyright (C) 1994 Steen Lumholt.
#define PyMODINIT_FUNC void
#endif
+#ifndef PyBool_Check
+#define PyBool_Check(o) 0
+#define PyBool_FromLong PyInt_FromLong
+#endif
+
/* Starting with Tcl 8.4, many APIs offer const-correctness. Unfortunately,
making _tkinter correct for this API means to break earlier
versions. USE_COMPAT_CONST allows to make _tkinter work with both 8.4 and