openflow build environment setup

openflow/include/python3.8/cpython/traceback.h

@@ -0,0 +1,22 @@
+#ifndef Py_CPYTHON_TRACEBACK_H
+#  error "this header file must not be included directly"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct _traceback {
+    PyObject_HEAD
+    struct _traceback *tb_next;
+    struct _frame *tb_frame;
+    int tb_lasti;
+    int tb_lineno;
+} PyTracebackObject;
+
+PyAPI_FUNC(int) _Py_DisplaySourceLine(PyObject *, PyObject *, int, int);
+PyAPI_FUNC(void) _PyTraceback_Add(const char *, const char *, int);
+
+#ifdef __cplusplus
+}
+#endif