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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
}
|
