compatibility fix for Python 2.4

diff --git a/Cython/Compiler/ModuleNode.py b/Cython/Compiler/ModuleNode.py
index 722293760b4737b26085271dc531d0e871f96b3e..56fb98b7fbc7b93d7cf0e0bc5cc801326eca5105 100644 (file)
--- a/Cython/Compiler/ModuleNode.py
+++ b/Cython/Compiler/ModuleNode.py
@@ -2180,7 +2180,11 @@ static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class
         PyOS_snprintf(warning, sizeof(warning), 
             "%s.%s size changed, may indicate binary incompatibility",
             module_name, class_name);
+        #if PY_VERSION_HEX < 0x02050000
+        PyErr_Warn(NULL, warning);
+        #else
         PyErr_WarnEx(NULL, warning, 0);
+        #endif
     }
     else if (((PyTypeObject *)result)->tp_basicsize != size) {
         PyErr_Format(PyExc_ValueError,