[backfire] backport r22517
authoragb <agb@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Sun, 12 Dec 2010 21:41:04 +0000 (21:41 +0000)
committeragb <agb@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Sun, 12 Dec 2010 21:41:04 +0000 (21:41 +0000)
commitdfb9ca4cf7c6c8498aa1259060725e0681f4f68b
treec3d9a490b9f5c0cad46b5184caed9fbad201b330
parentc756188f9a5ad936279a783d70dd96661b38b76b
[backfire] backport r22517

[include] support unpacking of .tar.xz archives, no prereq on xzcat for now

git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@24524 3c298f89-4303-0410-b956-a3cf2f4a3e73
include/unpack.mk