Add dummy function implementations to be able to link _ctypes module.

src/runtime/int.cpp

@@ -184,6 +184,16 @@ extern "C" int _PyInt_AsInt(PyObject* obj) noexcept {
     return (int)result;
 }
 
+#ifdef HAVE_LONG_LONG
+extern "C" unsigned PY_LONG_LONG PyInt_AsUnsignedLongLongMask(register PyObject* op) noexcept {
+    Py_FatalError("unimplemented");
+
+    unsigned PY_LONG_LONG val = 0;
+
+    return val;
+}
+#endif
+
 extern "C" PyObject* PyInt_FromString(const char* s, char** pend, int base) noexcept {
     char* end;
     long x;

src/runtime/util.cpp

@@ -19,6 +19,20 @@
 #include "core/types.h"
 #include "runtime/objmodel.h"
 
+// Temp hack to get CType sort of importing
+PyObject* PyDescr_NewMember(PyTypeObject* x, struct PyMemberDef* y) PYSTON_NOEXCEPT {
+    Py_FatalError("unimplemented");
+    return NULL;
+}
+PyObject* PyDescr_NewGetSet(PyTypeObject* x, struct PyGetSetDef* y) PYSTON_NOEXCEPT {
+    Py_FatalError("unimplemented");
+    return NULL;
+}
+PyObject* PyDescr_NewClassMethod(PyTypeObject* x, PyMethodDef* y) PYSTON_NOEXCEPT {
+    Py_FatalError("unimplemented");
+    return NULL;
+}
+
 namespace pyston {
 
 void parseSlice(BoxedSlice* slice, int size, i64* out_start, i64* out_stop, i64* out_step, i64* out_length) {