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configure: check for lzma

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Some packages are available as LZMA tarballs. LZMA is a relatively recent
compression algorithm; it's slightly better than bzip2, but offers much
faster decompression. LZMA is now deprecated in favor of XZ, but some
packages switched to LZMA when XZ was not yet available, or still in its
infancy. Latest XZ (which totaly obsoletes LZMA) offers a backward LZMA-
compatible utility, so we can check for 'lzma' nonetheless.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
This commit is contained in:
Yann E. MORIN" 2011-08-25 18:30:18 +02:00
parent 4bf42bfd02
commit 04250cc896
2 changed files with 7 additions and 0 deletions
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3
configure vendored
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@ -504,6 +504,9 @@ has_or_abort prog=bzip2
has_or_warn prog=xz \
kconfig=has_xzutils \
err="xz-compressed tarballs will not be used"
has_or_warn prog=lzma \
kconfig=has_lzma \
err="lzma-compressed tarballs will not be used"
has_or_abort prog=readlink
has_or_abort prog=objcopy var=objcopy
has_or_abort prog=objdump var=objdump

4
scripts/functions
View File

@ -403,6 +403,9 @@ CT_DoListTarballExt() {
if [ "${CT_CONFIGURE_has_xzutils}" = "y" ]; then
printf ".tar.xz\n"
fi
if [ "${CT_CONFIGURE_has_lzma}" = "y" ]; then
printf ".tar.lzma\n"
fi
printf ".tar.bz2\n"
printf ".tar.gz\n.tgz\n"
printf ".tar\n"
@ -757,6 +760,7 @@ CT_Extract() {
tar_opts+=( "-xv" )
case "${ext}" in
.tar.xz) CT_DoExecLog FILE tar "${tar_opts[@]}" --use-compress-program=xz -f "${full_file}";;
.tar.lzma) CT_DoExecLog FILE tar "${tar_opts[@]}" --use-compress-program=lzma -f "${full_file}";;
.tar.bz2) CT_DoExecLog FILE tar "${tar_opts[@]}" -j -f "${full_file}";;
.tar.gz|.tgz) CT_DoExecLog FILE tar "${tar_opts[@]}" -z -f "${full_file}";;
.tar) CT_DoExecLog FILE tar "${tar_opts[@]}" -f "${full_file}";;