macOS: [skip ci] suppress some more Py3.8 warnings, suppress warnings about deprecated OpenGL API

src/Base/PyObjectBase.cpp

@@ -75,6 +75,11 @@ PyObjectBase::~PyObjectBase()
  * 0 and define tp_base as 0.
  */
 
+#if defined(__clang__)
+# pragma clang diagnostic push
+# pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
 PyTypeObject PyObjectBase::Type = {
     PyVarObject_HEAD_INIT(&PyType_Type,0)
     "PyObjectBase",                                         /*tp_name*/
@@ -142,6 +147,10 @@ PyTypeObject PyObjectBase::Type = {
 #endif
 };
 
+#if defined(__clang__)
+# pragma clang diagnostic pop
+#endif
+
 /*------------------------------
  * PyObjectBase Methods 	-- Every class, even the abstract one should have a Methods
 ------------------------------*/