diff -Naur a/src/xmlrpc_parse.c b/src/xmlrpc_parse.c
--- a/src/xmlrpc_parse.c	2008-04-24 21:41:52.000000000 -0400
+++ b/src/xmlrpc_parse.c	2008-04-25 23:59:48.000000000 -0400
@@ -9,6 +9,10 @@
 #include <ctype.h>
 #include <limits.h>
 
+#ifndef DBL_MAX
+   #include <float.h>
+#endif
+
 #include "bool.h"
 
 #include "xmlrpc-c/base.h"