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configure: add test for xz-utils

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Some upstream now release tarballs compressed with xz, along with the
more traditional bzip2 and/or gzip tarballs.  xz (and its predecessor
lzma) achieves better compression, so is a good candidate to shorten
the time it takes to download the source tarballs.

Enable downloading xz-cmopressed tarballs if the user has xz-utils.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
This commit is contained in:
Yann E. MORIN" 2011-08-10 23:13:46 +02:00
parent 0486fba24c
commit 6537cbdeac
1 changed files with 3 additions and 0 deletions
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3
configure vendored
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@ -453,6 +453,9 @@ has_or_abort prog=patch
has_or_abort prog=tar
has_or_abort prog=gzip
has_or_abort prog=bzip2
has_or_warn prog=xz \
kconfig=has_xzutils \
err="xz-comoressed tarballs will not be used"
has_or_abort prog=readlink
has_or_abort prog=objcopy var=objcopy
has_or_abort prog=objdump var=objdump