[P] add config
Something like in pyMOR, e.g., you can do
from dune.xt.common import config
if config.HAVE_K3D:
...
This regards the runtime env. We should also include a selection of the HAVE_
defins from the config.h
from compile-time (which can not be influenced any more at runtime). Either
- in the same config as is
- in the same config as
BUILT_WITH_...
- in a separate config as is