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linux-mod.eclass: Fix xz compression options

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Match xz compression options to the ones used by the kernel,
as the xz decoder used by the kernel supports only a subset of the xz
format.

Bug: https://bugs.gentoo.org/920837
Signed-off-by: Michał Górny <mgorny@gentoo.org>
This commit is contained in:
Michał Górny
2023-12-28 09:51:02 +01:00
parent 59e3804695
commit eaefe0f676
1 changed files with 3 additions and 1 deletions
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4
eclass/linux-mod.eclass
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@@ -689,7 +689,9 @@ linux-mod_src_install() {
# and similarly compress the module being built if != NONE.
if linux_chkconfig_present MODULE_COMPRESS_XZ; then
xz -T$(makeopts_jobs) --memlimit-compress=50% -q ${modulename}.${KV_OBJ} || die "Compressing ${modulename}.${KV_OBJ} with xz failed"
# match kernel compression options for compatibility
# https://bugs.gentoo.org/920837
xz -T$(makeopts_jobs) --memlimit-compress=50% -q --check=crc32 --lzma2=dict=1MiB ${modulename}.${KV_OBJ} || die "Compressing ${modulename}.${KV_OBJ} with xz failed"
doins ${modulename}.${KV_OBJ}.xz
KV_OBJ_COMPRESS_EXT=".xz"
elif linux_chkconfig_present MODULE_COMPRESS_GZIP; then