src/multi-body-problem-data/grid/cube_tmpl.cc

+#ifndef MY_DIM
+#error MY_DIM unset
+#endif
+
+template class Cube<MY_DIM>;

src/multi-body-problem-data/grid/cubefaces_tmpl.cc

+#ifndef MY_DIM
+#error MY_DIM unset
+#endif
+
+#include "../../explicitgrid.hh"
+
+template struct CubeFaces<DeformedGrid::LeafGridView>;
+template struct CubeFaces<DeformedGrid::LevelGridView>;

src/multi-body-problem-data/grid/cuboidgeometry_tmpl.cc

+#ifndef MY_DIM
+#error MY_DIM unset
+#endif
+
+#include "../../explicitgrid.hh"
+#include "cuboidgeometry.hh"
+
+template class CuboidGeometry<typename Grid::ctype>;