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- do_rootfs[depends] += "mklibs-native:do_populate_sysroot"
- IMAGE_PREPROCESS_COMMAND += "mklibs_optimize_image; "
- inherit linuxloader
- mklibs_optimize_image_doit() {
- rm -rf ${WORKDIR}/mklibs
- mkdir -p ${WORKDIR}/mklibs/dest
- cd ${IMAGE_ROOTFS}
- du -bs > ${WORKDIR}/mklibs/du.before.mklibs.txt
- # Build a list of dynamically linked executable ELF files.
- # Omit libc/libpthread as a special case because it has an interpreter
- # but is primarily what we intend to strip down.
- for i in `find . -type f -executable ! -name 'libc-*' ! -name 'libpthread-*'`; do
- file $i | grep -q ELF || continue
- ${HOST_PREFIX}readelf -l $i | grep -q INTERP || continue
- echo $i
- done > ${WORKDIR}/mklibs/executables.list
- dynamic_loader=${@get_linuxloader(d)}
- mklibs -v \
- --ldlib ${dynamic_loader} \
- --libdir ${baselib} \
- --sysroot ${PKG_CONFIG_SYSROOT_DIR} \
- --gcc-options "--sysroot=${PKG_CONFIG_SYSROOT_DIR}" \
- --root ${IMAGE_ROOTFS} \
- --target `echo ${TARGET_PREFIX} | sed 's/-$//' ` \
- -d ${WORKDIR}/mklibs/dest \
- `cat ${WORKDIR}/mklibs/executables.list`
- cd ${WORKDIR}/mklibs/dest
- for i in *
- do
- cp $i `find ${IMAGE_ROOTFS} -name $i`
- done
- cd ${IMAGE_ROOTFS}
- du -bs > ${WORKDIR}/mklibs/du.after.mklibs.txt
- echo rootfs size before mklibs optimization: `cat ${WORKDIR}/mklibs/du.before.mklibs.txt`
- echo rootfs size after mklibs optimization: `cat ${WORKDIR}/mklibs/du.after.mklibs.txt`
- }
- mklibs_optimize_image() {
- for img in ${MKLIBS_OPTIMIZED_IMAGES}
- do
- if [ "${img}" = "${PN}" ] || [ "${img}" = "all" ]
- then
- mklibs_optimize_image_doit
- break
- fi
- done
- }
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