diff options
Diffstat (limited to 'poky/meta/classes/image-prelink.bbclass')
-rw-r--r-- | poky/meta/classes/image-prelink.bbclass | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/poky/meta/classes/image-prelink.bbclass b/poky/meta/classes/image-prelink.bbclass new file mode 100644 index 0000000000..6a8afa8fa9 --- /dev/null +++ b/poky/meta/classes/image-prelink.bbclass @@ -0,0 +1,64 @@ +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." + + # 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 >> $ldsoconf + + dynamic_loader=$(linuxloader) + + # 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 + + pre_prelink_size=`du -ks ${IMAGE_ROOTFS} | awk '{size = $1 ; print size }'` + echo "Size after prelinking $pre_prelink_size." +} |