Index: head/Mk/Uses/tar.mk
===================================================================
--- head/Mk/Uses/tar.mk	(revision 348468)
+++ head/Mk/Uses/tar.mk	(revision 348469)
@@ -1,30 +1,32 @@
 # $FreeBSD$
 #
 # handle tar archives
 #
 # Feature:	tar
-# Usage:	USES=tar[:[xz|lzma|Z|bzip2|tgz]]
+# Usage:	USES=tar[:[xz|lzma|Z|bzip2|tgz|tbz]]
 #
 # MAINTAINER: portmgr@FreeBSD.org
 
 .if !defined(_INCLUDE_USES_TAR_Mk)
 _INCLUDE_USES_TAR_MK=	yes
 
 tar_ARGS?=	none
 
 .if ${tar_ARGS} == xz
 EXTRACT_SUFX?=	.tar.xz
 .elif ${tar_ARGS} == lzma
 EXTRACT_SUFX?=	.tar.lzma
 .elif ${tar_ARGS} == bzip2
 EXTRACT_SUFX?=	.tar.bz2
 .elif ${tar_ARGS} == tgz
 EXTRACT_SUFX?=	.tgz
+.elif ${tar_ARGS} == tbz
+EXTRACT_SUFX?=	.tbz
 .elif ${tar_ARGS} == Z
 EXTRACT_SUFX?=	.tar.Z
 .elif ${tar_ARGS} == none
 EXTRACT_SUFX?=	.tar
 .else
 IGNORE=	Incorrect 'USES+=tar:${tar_ARGS}'
 .endif
 .endif