forked from brl/citadel
57 lines
1.5 KiB
Plaintext
57 lines
1.5 KiB
Plaintext
|
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 > ${WORKDIR}/mklibs/executables.list
|
||
|
|
||
|
dynamic_loader=$(linuxloader)
|
||
|
|
||
|
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
|
||
|
}
|