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xz: use update-alternatives

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Installing xz and busybox together may cause conflicts for xz, xzcat,
unxz, and their lzma variants. In the default configuration, xzcat is
silently replaced with a symlink to busybox. If busybox is compiled with
CONFIG_XZ=y, its postinst fails during do_rootfs.

Using update-alternatives to xz handles these conflicts properly.

(From OE-Core rev: e48cd8423562d4b03bdf55ba04873b7582f12452)

Signed-off-by: Allen Wild <allenwild93@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Allen Wild
2018-05-06 19:00:02 -04:00
committed by Richard Purdie
parent 97293e7cde
commit 3f5af5e1ec
1 changed files with 5 additions and 0 deletions
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5
meta/recipes-extended/xz/xz_5.2.3.bb
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@@ -31,6 +31,11 @@ PACKAGES =+ "liblzma"
FILES_liblzma = "${libdir}/liblzma*${SOLIBS}"
inherit update-alternatives
ALTERNATIVE_PRIORITY = "100"
ALTERNATIVE_${PN} = "xz xzcat unxz \
lzma lzcat unlzma"
BBCLASSEXTEND = "native nativesdk"
export CONFIG_SHELL="/bin/sh"