* iconvdata/Makefile (generated): Set to *-generated-headers
plus gconv-modules.
(tests): Set to iconv-test.
* localedata/Makefile (generated-dirs): Add ld-test-names to list.
* posix/Makefile (generated): Set to wordexp-test-result*.
* sunrpc/Makefile (generated): Remove rpcsvc/*.
(generated-dirs): Add rpcsvc.
* libio/Makefile: Clean up.