Inconsistent use of dune-subgrid_FOUND and DUNE_HAVE_SUBGRID
In CMakeLists.txt
on needs to use dune-subgrid_FOUND
while for preprocessor directives DUNE_HAVE_SUBGRID
is used.
Can we unify this such that DUNE_HAVE_SUBGRID
can be always used? This seems to work for HAVE_UMFPACK
, for example.