Index: head/sysutils/busybox/Makefile
===================================================================
--- head/sysutils/busybox/Makefile
+++ head/sysutils/busybox/Makefile
@@ -3,6 +3,7 @@
 
 PORTNAME=	busybox
 PORTVERSION=	1.31.0
+PORTREVISION=	1
 CATEGORIES=	sysutils misc shells
 MASTER_SITES=	https://busybox.net/downloads/
 
Index: head/sysutils/busybox/files/patch-shell_shell__common.c
===================================================================
--- head/sysutils/busybox/files/patch-shell_shell__common.c
+++ head/sysutils/busybox/files/patch-shell_shell__common.c
@@ -0,0 +1,12 @@
+--- shell/shell_common.c.orig	2019-06-10 09:09:31 UTC
++++ shell/shell_common.c
+@@ -328,7 +328,9 @@ struct limits {
+ static const struct limits limits_tbl[] = {
+ 	{ RLIMIT_CORE,		9,	"core file size (blocks)" }, // -c
+ 	{ RLIMIT_DATA,		10,	"data seg size (kb)" },      // -d
++#ifdef RLIMIT_NICE
+ 	{ RLIMIT_NICE,		0,	"scheduling priority" },     // -e
++#endif
+ 	{ RLIMIT_FSIZE,		9,	"file size (blocks)" },      // -f
+ #define LIMIT_F_IDX     3
+ #ifdef RLIMIT_SIGPENDING