message: Add a quick and dirty fix to compile the logging example both with and without PAPI.
diff: @@ -170,9 +170,11 @@ int main(int argc, char *argv[])
  exec->add_logger(record_logger);
  residual_criterion->add_logger(record_logger);
  +#ifdef HAVE_PAPI_SDE
  static_cast<gko::solver::Cg<> *>(solver.get())
  ->add_logger(
  gko::log::Papi<>::create(gko::log::Logger::all_events_mask));
  +#endif
  // Solve system
  solver->apply(lend(b), lend(x));
  