openrc: remove duplicate multicall binaries, symlink instead

recipes-init/openrc/openrc_0.45.2.bb

@@ -26,6 +26,16 @@ EXTRA_OEMESON += " \
     -Dpkg_prefix=${prefix} \
 "
 
+symlink_multicalls() {
+    local dir="$1"
+    local dest="$2"
+    shift 2
+    for src in "$@"; do
+        rm "${dir}/${src}"
+        ln -snf "${dest}" "${dir}/${src}"
+    done
+}
+
 do_install:append() {
     # Default sysvinit doesn't do anything with keymaps on a minimal install so
     # we're not going to either.
@@ -45,6 +55,23 @@ do_install:append() {
         fi
         sed -i "s|/sbin/openrc-run|${sbindir}/openrc-run|" ${D}${OPENRC_INITDIR}/volatiles
     fi
+
+    # Many applets are really the same multicall compiled N times, so symlink them to save space.
+    rc_libdir="${D}${@bb.utils.contains('PACKAGECONFIG', 'usrmerge', '${libdir}', '${base_libdir}', d)}/rc"
+    symlink_multicalls "${rc_libdir}/bin" einfo \
+        einfon ewarn ewarnn eerror eerrorn ewend ebegin eend ewend eindent eoutdent \
+        veinfo vewarn vebegin veend vewend veindent veoutdent \
+        esyslog eval_ecolors ewaitfile
+    symlink_multicalls "${rc_libdir}/bin" service_get_value \
+        service_set_value get_options save_options
+    symlink_multicalls "${rc_libdir}/bin" service_started \
+        service_starting service_stopping service_stopped \
+        service_inactive service_wasinactive \
+        service_hotplugged service_started_daemon service_crashed
+    symlink_multicalls "${rc_libdir}/sbin" mark_service_started \
+        mark_service_starting mark_service_stopping mark_service_stopped \
+        mark_service_inactive mark_service_wasinactive \
+        mark_service_hotplugged mark_service_failed mark_service_crashed
 }
 
 RDEPENDS:${PN} = " \