Index: config.h
===================================================================
--- config.h (nonexistent)
+++ config.h (revision 40)
@@ -0,0 +1,10 @@
+
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 32
+#include "config-32.h"
+#elif __WORDSIZE == 64
+#include "config-64.h"
+#else
+#error "Unknown word size"
+#endif