--- util/qsort_r.c.orig	2009-07-10 20:09:49.000000000 +0100
+++ util/qsort_r.c	2009-07-10 20:11:41.000000000 +0100
@@ -65,7 +65,7 @@
 		   int (*compar)(void *, const void *, const void *))
 {
 #ifdef HAVE_QSORT_R
-     qsort_r(base_, nmemb, size, thunk, compar);
+#include <stdlib.h>
 #else
      char *base = (char *) base_;
      if (nmemb < 10) { /* use O(nmemb^2) algorithm for small enough nmemb */