Files
poky/meta/classes/image-mklibs.bbclass
Richard Purdie ae85c4b9a6 linuxloader/image-prelink/image-mklibs: Fix non-standard path prelinking
Prelinking on x86-64 wasn't working out the box as it uses /lib and
not /lib64 for libs. Prelink was refusing to link as the dynamic loader
didn't match its idea of the right path. Passing in the --dyanmic-linker
option avoids this.

We can share code from image-mklibs so abstract that into a new class,
linuxloader.bbclass.

This does break prelinking of multilib images, I've opened a bug so we
can loop back and fix that problem, the code would need to iterate the
dynamic loaders (and setup ld.so.conf files for it).

(From OE-Core rev: 7c3f2f61536cc8e0322087558cdcfe29ee2fac6d)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2016-03-07 00:11:40 +00:00

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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
for i in `find .`; do file $i; done \
| grep ELF \
| grep "LSB *executable" \
| grep "dynamically linked" \
| sed "s/:.*//" \
| sed "s+^\./++" \
> ${WORKDIR}/mklibs/executables.list
dynamic_loader=$(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
}