diff options
Diffstat (limited to 'poky/meta/classes/image-mklibs.bbclass')
-rw-r--r-- | poky/meta/classes/image-mklibs.bbclass | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/poky/meta/classes/image-mklibs.bbclass b/poky/meta/classes/image-mklibs.bbclass new file mode 100644 index 000000000..5f6df1b17 --- /dev/null +++ b/poky/meta/classes/image-mklibs.bbclass @@ -0,0 +1,56 @@ +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 +} |