Index: head/Mk/Uses/tar.mk
===================================================================
--- head/Mk/Uses/tar.mk	(revision 504007)
+++ head/Mk/Uses/tar.mk	(revision 504008)
@@ -1,34 +1,36 @@
 # $FreeBSD$
 #
 # handle tar archives
 #
 # Feature:	tar
-# Usage:	USES=tar[:[xz|lzma|Z|bzip2|tgz|tbz]]
+# Usage:	USES=tar[:[xz|lz|lzma|txz|bz[ip]2|tgz|tbz|tbz2|Z]]
 #
 # MAINTAINER: portmgr@FreeBSD.org
 
 .if !defined(_INCLUDE_USES_TAR_MK)
 _INCLUDE_USES_TAR_MK=	yes
 
 .if ${tar_ARGS} == xz
 EXTRACT_SUFX?=	.tar.xz
+.elif ${tar_ARGS} == lz
+EXTRACT_SUFX?=	.tar.lz
 .elif ${tar_ARGS} == lzma
 EXTRACT_SUFX?=	.tar.lzma
 .elif ${tar_ARGS} == txz
 EXTRACT_SUFX?=	.txz
 .elif ${tar_ARGS} == bzip2 || ${tar_ARGS} == bz2
 EXTRACT_SUFX?=	.tar.bz2
 .elif ${tar_ARGS} == tgz
 EXTRACT_SUFX?=	.tgz
 .elif ${tar_ARGS} == tbz
 EXTRACT_SUFX?=	.tbz
 .elif ${tar_ARGS} == tbz2
 EXTRACT_SUFX?=	.tbz2
 .elif ${tar_ARGS} == Z
 EXTRACT_SUFX?=	.tar.Z
 .elif empty(tar_ARGS)
 EXTRACT_SUFX?=	.tar
 .else
 IGNORE=	Incorrect 'USES+=tar:${tar_ARGS}'
 .endif
 .endif