host: new configure options: --with-preferred-host-{ar|as|nm|ranlib}
    
    With these configure options, it is possible to name the exact tools
    to be chosen by slibtool when carrying out a native build task and given
    that the tool variant had not been otherwise specified. This could come
    in handy, for instance, on systems where ar(1) is installed by is not
    the preferred native archiving tool.