AddMETISFlags
-------------

Helpers for using `METIS <http://glaros.dtc.umn.edu/gkhome/metis/metis/overview>`_
from DUNE targets.

.. cmake:command:: add_dune_metis_flags

  Link the given targets against ``METIS::METIS`` and add the compile
  definitions corresponding to the detected METIS configuration.

  The command has an effect only when :cmake:variable:`METIS_FOUND` is true.

  .. code-block:: cmake

    add_dune_metis_flags(<target> [<target>...])

  ``targets``
    One or more existing targets to configure.