scripting: fixed kicad compilation, cleanups

scripting/python_scripting.h

@@ -1,12 +1,26 @@
 #ifndef __PYTHON_SCRIPTING_H
 #define __PYTHON_SCRIPTING_H
 
-#include <Python.h>
+    // undefs explained here: https://bugzilla.redhat.com/show_bug.cgi?id=427617
+
+    #ifdef _POSIX_C_SOURCE
+        #undef _POSIX_C_SOURCE
+    #endif
+    #ifdef _XOPEN_SOURCE
+        #undef _XOPEN_SOURCE
+    #endif
+
+    #include <Python.h>
+    #ifndef NO_WXPYTHON_EXTENSION_HEADERS
+        #include <wx/wxPython/wxPython.h>
+    #endif
+
 
 /* Function pcbnewInitPythonScripting
  * Initializes the Python engine inside pcbnew 
  */
 
-bool pcbnewInitPythonScripting(PyThreadState** aMainTState);
+bool pcbnewInitPythonScripting();
+void pcbnewFinishPythonScripting();
 
 #endif