more complete embedded mode (trac 291)

Cython/Compiler/ModuleNode.py

@@ -2459,15 +2459,21 @@ static __Pyx_RefnannyAPIStruct *__Pyx_Refnanny = NULL;
 main_method = UtilityCode(
 impl = """
 int main(int argc, char** argv) {
-    int r;
+    int r = 0;
+    PyObject* m = NULL;
     Py_Initialize();
     PySys_SetArgv(argc, argv);
 #if PY_MAJOR_VERSION < 3
         init%(module_name)s();
 #else
-        PyInit_%(module_name)s(name);
+        m = PyInit_%(module_name)s(name);
 #endif
-    r = PyErr_Occurred() != NULL;
+    if (PyErr_Occurred() != NULL) {
+        r = 1;
+        PyErr_Print(); /* This exits with the right code if SystemExit. */
+        if (Py_FlushLine()); PyErr_Clear();
+    }
+    Py_XDECREF(m);
     Py_Finalize();
     return r;
 }