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