diff -Naur Python-2.7.1.orig/Include/pyport.h Python-2.7.1/Include/pyport.h
--- Python-2.7.1.orig/Include/pyport.h	2010-09-14 18:10:22.000000000 +0200
+++ Python-2.7.1/Include/pyport.h	2011-05-13 12:24:53.000000000 +0200
@@ -186,9 +186,11 @@
 #endif

 /* Largest positive value of type Py_ssize_t. */
-#define PY_SSIZE_T_MAX ((Py_ssize_t)(((size_t)-1)>>1))
+//#define PY_SSIZE_T_MAX ((Py_ssize_t)(((size_t)-1)>>1))
 /* Smallest negative value of type Py_ssize_t. */
-#define PY_SSIZE_T_MIN (-PY_SSIZE_T_MAX-1)
+//#define PY_SSIZE_T_MIN (-PY_SSIZE_T_MAX-1)
+#define PY_SSIZE_T_MAX TMP_MAX
+#define PY_SSIZE_T_MIN -TMP_MAX

 #if SIZEOF_PID_T > SIZEOF_LONG
 #   error "Python doesn't support sizeof(pid_t) > sizeof(long)"