--- mandoc-1.14.5/demandoc.c.orig	Mon Jan 20 00:18:29 2020
+++ mandoc-1.14.5/demandoc.c	Mon Jan 20 00:18:39 2020
@@ -30,6 +30,7 @@
 #include "man.h"
 #include "mdoc.h"
 #include "mandoc_parse.h"
+#include "getopt.h"
 
 static	void	 pline(int, int *, int *, int);
 static	void	 pman(const struct roff_node *, int *, int *, int);