PyUnicode_FromString macro for py < 2.6 & PyMemberDef flag

Cython/Compiler/ModuleNode.py

@@ -591,6 +591,10 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
           PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #endif
 
+#if PY_MAJOR_VERSION < 3 && PY_MINOR_VERSION < 6
+  #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
+#endif
+
 #if PY_MAJOR_VERSION >= 3
   #define Py_TPFLAGS_CHECKTYPES 0
   #define Py_TPFLAGS_HAVE_INDEX 0

Cython/Utility/CythonFunction.c

@@ -588,6 +588,7 @@ static PyMemberDef __pyx_FusedFunction_members[] = {
     {(char *) "__signatures__",
      T_OBJECT,
      offsetof(__pyx_FusedFunctionObject, __signatures__),
+     READONLY,
      __Pyx_DOCSTR(0)},
 };
 
@@ -616,7 +617,7 @@ static PyTypeObject __pyx_FusedFunctionType_type = {
     0,                                  /*tp_as_sequence*/
     &__pyx_FusedFunction_mapping_methods, /*tp_as_mapping*/
     0,                                  /*tp_hash*/
-    __pyx_FusedFunction_call,           /*tp_call*/
+    (ternaryfunc) __pyx_FusedFunction_call, /*tp_call*/
     0,                                  /*tp_str*/
     0,                                  /*tp_getattro*/
     0,                                  /*tp_setattro*/