diff options
Diffstat (limited to 'kernel/gen_kheaders.sh')
| -rwxr-xr-x | kernel/gen_kheaders.sh | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/gen_kheaders.sh b/kernel/gen_kheaders.sh index 9ff449888d9c..5a0fc0b0403a 100755 --- a/kernel/gen_kheaders.sh +++ b/kernel/gen_kheaders.sh @@ -71,7 +71,13 @@ done | cpio --quiet -pd $cpio_dir >/dev/null 2>&1 find $cpio_dir -type f -print0 | xargs -0 -P8 -n1 perl -pi -e 'BEGIN {undef $/;}; s/\/\*((?!SPDX).)*?\*\///smg;' -tar -Jcf $tarfile -C $cpio_dir/ . > /dev/null +# Create archive and try to normalize metadata for reproducibility. +# For compatibility with older versions of tar, files are fed to tar +# pre-sorted, as --sort=name might not be available. +find $cpio_dir -printf "./%P\n" | LC_ALL=C sort | \ + tar "${KBUILD_BUILD_TIMESTAMP:+--mtime=$KBUILD_BUILD_TIMESTAMP}" \ + --owner=0 --group=0 --numeric-owner --no-recursion \ + -Jcf $tarfile -C $cpio_dir/ -T - > /dev/null echo "$src_files_md5" > kernel/kheaders.md5 echo "$obj_files_md5" >> kernel/kheaders.md5 |