From 0d64c97e68a18969312a26ba59e34b37505f8295 Mon Sep 17 00:00:00 2001
From: Lei Qiao <qiaol618@gmail.com>
Date: Wed, 9 Sep 2015 16:49:33 -0500
Subject: [PATCH] Constructors of wrapper SolverCG for PETSc and Trilinos have
 different interaces

---
 examples/step-40/step-40.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/examples/step-40/step-40.cc b/examples/step-40/step-40.cc
index c0e7ed930b..d92c47423a 100644
--- a/examples/step-40/step-40.cc
+++ b/examples/step-40/step-40.cc
@@ -467,7 +467,12 @@ namespace Step40
 
     SolverControl solver_control (dof_handler.n_dofs(), 1e-12);
 
+#ifdef USE_PETSC_LA
     LA::SolverCG solver(solver_control, mpi_communicator);
+#else
+    LA::SolverCG solver(solver_control);
+#endif
+
     LA::MPI::PreconditionAMG preconditioner;
 
     LA::MPI::PreconditionAMG::AdditionalData data;
-- 
2.39.5