1.1 --- a/configure	Sun Aug 14 16:06:20 2011 +0200
     1.2 +++ b/configure	Wed Aug 10 23:13:46 2011 +0200
     1.3 @@ -453,6 +453,9 @@
     1.4  has_or_abort prog=tar
     1.5  has_or_abort prog=gzip
     1.6  has_or_abort prog=bzip2
     1.7 +has_or_warn  prog=xz                                        \
     1.8 +             kconfig=has_xzutils                            \
     1.9 +             err="xz-comoressed tarballs will not be used"
    1.10  has_or_abort prog=readlink
    1.11  has_or_abort prog=objcopy var=objcopy
    1.12  has_or_abort prog=objdump var=objdump