--- dmalloc-5.5.2/dmalloc.h.3	2012-04-11 22:59:21.624323311 +0200
+++ dmalloc-5.5.2.mod/dmalloc.h.3	2012-04-11 23:00:53.612325497 +0200
@@ -405,6 +405,7 @@
  *
  * string -> String we are duplicating.
  */
+#undef strdup
 extern
 char	*strdup(const char *string);
 #endif /* ifndef DMALLOC_STRDUP_MACRO */