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do_rootfs[depends] += "prelink-native:do_populate_sysroot"
IMAGE_PREPROCESS_COMMAND:append:libc-glibc = " prelink_setup; prelink_image; "
python prelink_setup () {
oe.utils.write_ld_so_conf(d)
}
inherit linuxloader
prelink_image () {
# export PSEUDO_DEBUG=4
# /bin/env | /bin/grep PSEUDO
# echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH"
# echo "LD_PRELOAD=$LD_PRELOAD"
pre_prelink_size=`du -ks ${IMAGE_ROOTFS} | awk '{size = $1 ; print size }'`
echo "Size before prelinking $pre_prelink_size."
# The filesystem may not contain sysconfdir so establish what is present
# to enable cleanup after temporary creation of sysconfdir if needed
presentdir="${IMAGE_ROOTFS}${sysconfdir}"
while [ "${IMAGE_ROOTFS}" != "${presentdir}" ] ; do
[ ! -d "${presentdir}" ] || break
presentdir=`dirname "${presentdir}"`
done
mkdir -p "${IMAGE_ROOTFS}${sysconfdir}"
# We need a prelink conf on the filesystem, add one if it's missing
if [ ! -e ${IMAGE_ROOTFS}${sysconfdir}/prelink.conf ]; then
cp ${STAGING_ETCDIR_NATIVE}/prelink.conf \
${IMAGE_ROOTFS}${sysconfdir}/prelink.conf
dummy_prelink_conf=true;
else
dummy_prelink_conf=false;
fi
# We need a ld.so.conf with pathnames in,prelink conf on the filesystem, add one if it's missing
ldsoconf=${IMAGE_ROOTFS}${sysconfdir}/ld.so.conf
if [ -e $ldsoconf ]; then
cp $ldsoconf $ldsoconf.prelink
fi
cat ${STAGING_DIR_TARGET}${sysconfdir}/ld.so.conf >> $ldsoconf
dynamic_loader=${@get_linuxloader(d)}
# prelink!
if [ "$REPRODUCIBLE_TIMESTAMP_ROOTFS" = "" ]; then
export PRELINK_TIMESTAMP=`git log -1 --pretty=%ct `
else
export PRELINK_TIMESTAMP=$REPRODUCIBLE_TIMESTAMP_ROOTFS
fi
${STAGING_SBINDIR_NATIVE}/prelink --root ${IMAGE_ROOTFS} -am -N -c ${sysconfdir}/prelink.conf --dynamic-linker $dynamic_loader
# Remove the prelink.conf if we had to add it.
if [ "$dummy_prelink_conf" = "true" ]; then
rm -f ${IMAGE_ROOTFS}${sysconfdir}/prelink.conf
fi
if [ -e $ldsoconf.prelink ]; then
mv $ldsoconf.prelink $ldsoconf
else
rm $ldsoconf
fi
# Remove any directories temporarily created for sysconfdir
cleanupdir="${IMAGE_ROOTFS}${sysconfdir}"
while [ "${presentdir}" != "${cleanupdir}" ] ; do
rmdir "${cleanupdir}"
cleanupdir=`dirname ${cleanupdir}`
done
pre_prelink_size=`du -ks ${IMAGE_ROOTFS} | awk '{size = $1 ; print size }'`
echo "Size after prelinking $pre_prelink_size."
}
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