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 [ "${BUILD_REPRODUCIBLE_BINARIES}" = "1" ]; then bbnote " prelink: BUILD_REPRODUCIBLE_BINARIES..." if [ "$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 else ${STAGING_SBINDIR_NATIVE}/prelink --root ${IMAGE_ROOTFS} -amR -N -c ${sysconfdir}/prelink.conf --dynamic-linker $dynamic_loader fi # Remove the prelink.conf if we had to add it. if [ "$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." }