openflow build environment setup

openflow/include/python3.8/pyfpe.h

@@ -0,0 +1,12 @@
+#ifndef Py_PYFPE_H
+#define Py_PYFPE_H
+
+/* These macros used to do something when Python was built with --with-fpectl,
+ * but support for that was dropped in 3.7. We continue to define them though,
+ * to avoid breaking API users.
+ */
+
+#define PyFPE_START_PROTECT(err_string, leave_stmt)
+#define PyFPE_END_PROTECT(v)
+
+#endif /* !Py_PYFPE_H */