On Tue, 2020-05-12 at 08:40 -0500, Joshua Watt wrote:
> If reproducible binaries are requested, generate the kernel modules
> tarball in a reproducible way. Namely, sort the tarball contents, clamp
> the mtime to the source date epoch, compress the archive with a
> consistent compression level (9), and don't include the name and
> timestamp in the compressed file.
>
> [YOCTO #12719]
>
> Signed-off-by: Joshua Watt <jpewhac...@gmail.com>
> ---
> meta/classes/kernel.bbclass | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
> index a724645466..c124645643 100644
> --- a/meta/classes/kernel.bbclass
> +++ b/meta/classes/kernel.bbclass
> @@ -691,7 +691,15 @@ kernel_do_deploy() {
>
> if [ ${MODULE_TARBALL_DEPLOY} = "1" ] && (grep -q -i -e
> '^CONFIG_MODULES=y$' .config); then
> mkdir -p ${D}${root_prefix}/lib
> - tar -cvzf $deployDir/modules-${MODULE_TARBALL_NAME}.tgz -C
> ${D}${root_prefix} lib
> + if [ "${BUILD_REPRODUCIBLE_BINARIES}" = "1" ]; then
> + TAR_ARGS="--sort=name --clamp-mtime
> --mtime=@${SOURCE_DATE_EPOCH}"
> + GZIP_ARGS="-9n"
> + else
> + TAR_ARGS=""
> + GZIP_ARGS=""
> + fi
> + tar $TAR_ARGS -cv -C ${D}${root_prefix} lib | gzip $GZIP_ARGS >
> $deployDir/modules-${MODULE_TARBALL_NAME}.tgz
> +
> ln -sf modules-${MODULE_TARBALL_NAME}.tgz
> $deployDir/modules-${MODULE_TARBALL_LINK_NAME}.tgz
> fi
Do we need to make this conditional or could we just do it by default?
Cheers,
Richard
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