--- configure.orig	2005-04-20 16:09:35 UTC
+++ configure
@@ -25786,10 +25786,7 @@ _EOF_
 
     cat >> $tmpfile << _EOF_
 
-#ifndef errno
-/* Some sytems #define this! */
-extern int errno;
-#endif
+#include <errno.h>
 
 _EOF_