2010-06-05  Matthias Klose  <doko@ubuntu.com>

        * gcc.c (cc1_options, cpp_unique_options): Use find-plugindir spec
        function to add the -iplugindir option.
        (find_plugindir_spec_function): Add new declaration and function.
        (static_spec_func): Use it for "find-plugindir".

From-SVN: r160319