add_dune_system_test(BASENAME poisson INIFILE poisson.mini SOURCE poisson_uniform.cc TARGETS output)
foreach(target ${output})
  add_dune_ug_flags(${target})
  add_dune_umfpack_flags(${target})
  add_dune_mpi_flags(${target})
  target_link_libraries(${target} ${DUNE_LIBS})
endforeach()