On Tue, Mar 19, 2013 at 04:41:46AM -0700, Atgeirr Flø Rasmussen wrote:
> > +	    #warning "Fast AMG is not available; falling back to CG preconditioned with the normal one"
> 
> I think this warning should be removed, since it is just falling
> back to what we already have. It prevents users of the standard dune
> packages from having warning-clean builds. 

Remove it or print a warning during runtime if linsolver_verbosity is
true? Your call.