* Makefile.in (iostream.list): Remove dependency on

        stamp-picdir.
        ($(LIBIOSTREAM_DEP)): Depend on stamp-picdir.
        ($(LIBIO_FILES)): Similarly.
        * config.shared (all): Make $(PICDIR) concurrent.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@25012 138bc75d-0d04-0410-961f-82ee72b054a4