Index: archivers/nulib/Makefile
===================================================================
--- archivers/nulib/Makefile
+++ archivers/nulib/Makefile
@@ -10,6 +10,8 @@
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	NuFX archive utility
 
+EXTRA_PATCHES=	${.CURDIR}/patch-dir.h
+
 USES=		tar:Z
 WRKSRC=		${WRKDIR}/nulib
 MAKE_ARGS=	CC="${CC}" CFLAGS="${CFLAGS}"
Index: archivers/nulib/patch-dir.h
===================================================================
--- /dev/null
+++ archivers/nulib/patch-dir.h
@@ -0,0 +1,28 @@
+diff -u nulib.orig/nuadd.c nulib/nuadd.c
+--- nuadd.c.orig	1996-11-28 01:16:33.000000000 -0500
++++ nuadd.c	2019-06-11 14:38:27.226792000 -0400
+@@ -38,7 +38,7 @@
+ #   include <dirent.h>
+ #  endif
+ # endif
+-# ifdef __GNO__
++# if defined(__GNO__) || defined(HAS_DIRENT)
+ #  include <dirent.h>
+ # elif defined(BSD43)
+ #  include <sys/dir.h>
+diff -u nulib.orig/nudefs.h nulib/nudefs.h
+--- nudefs.h.orig	1996-11-28 02:48:28.000000000 -0500
++++ nudefs.h	2019-06-11 14:39:02.706674000 -0400
+@@ -113,7 +113,11 @@
+ #define UNIX
+ #define BSD43
+ #define HAS_UTIMBUF
+-#undef  HAS_DIRENT
++  #if defined(__FreeBSD__) 
++    #define  HAS_DIRENT
++  #else
++    #undef  HAS_DIRENT
++  #endif
+ #undef __P
+ #include <sys/cdefs.h>  /* to get __P definition */
+