Index: head/devel/libubox/Makefile
===================================================================
--- head/devel/libubox/Makefile	(revision 476354)
+++ head/devel/libubox/Makefile	(revision 476355)
@@ -1,22 +1,22 @@
 # Created by: Martin Matuska <mm@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	libubox
 PORTVERSION=	20180803
 CATEGORIES=	devel
 
 MAINTAINER=	mm@FreeBSD.org
 COMMENT=	C utility functions for OpenWrt
 
 LICENSE=	GPLv2
 
 LIB_DEPENDS=	libjson-c.so:devel/json-c
 
-USES=		cmake lua:51 tar:xz
+USES=		cmake pkgconfig lua:51
 USE_GITHUB=	yes
 GH_ACCOUNT=	mmatuska
 GH_TAGNAME=	c83a84af
 
 CMAKE_ARGS+=	-DLUAPATH="${LUA_MODLIBDIR}"
 
 .include <bsd.port.mk>