mklibs: remove recipes and class

This is not enabled or tested by default, and has never been
ported to python 3 upstream[1], which means it doesn't work at all
with plain poky. If you need it, please put it in a separate layer
and/or modernize to work with py3.

https://salsa.debian.org/installer-team/mklibs/-/blob/master/src/mklibs

(From OE-Core rev: 908df863b419d1cad7317153101fc827e7e3a354)

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Jacob Kroon <jacob.kroon@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/image-mklibs.bbclass

@@ -1,56 +0,0 @@
-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
-}