--- nmap-6.40.orig/ncat/ncat_posix.c	2013-07-29 02:03:01.000000000 +0200
+++ nmap-6.40/ncat/ncat_posix.c	2013-10-05 11:01:16.000000000 +0200
@@ -122,7 +122,9 @@
 /* $Id$ */
 
 #include "ncat.h"
+#ifdef HAVE_LUA
 #include "ncat_lua.h"
+#endif
 
 char **cmdline_split(const char *cmdexec);