diff -r 13cefcbcc7da Include/accu.h
--- a/Include/accu.h	Thu Mar 22 16:24:33 2012 +0100
+++ b/Include/accu.h	Thu Mar 22 21:16:45 2012 +0200
@@ -16,6 +16,10 @@
 extern "C" {
 #endif
 
+#ifdef small
+#undef small
+#endif
+
 typedef struct {
     PyObject *large;  /* A list of previously accumulated large strings */
     PyObject *small;  /* Pending small strings */