Stefan Fiedler:

package/base/glibc/glibc.conf

@@ -223,7 +223,7 @@ glibc_custmain () {
 		if [ $stagelevel -ge 3 && -z "$pkg_glibc_cross" ] ; then
 			# otherwise we risk the hosts /usr/lib/locale/locale-archive being overwritten
 			eval $MAKE localedata/install-locales
-			cp -v ../localedata/SUPPORTED $root/usr/share/i18n/
+			cp -v ../glibc-*/localedata/SUPPORTED $root/usr/share/i18n/
 		fi
 
 		# The commands below install a small set of locales for running test suites.