From b9399afabe3f2074b5b4c73a8669d76875076d63 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@math.tamu.edu>
Date: Thu, 27 Jun 2013 16:09:46 +0000
Subject: [PATCH] Disable some MPI-only code if we haven't configured to use
 MPI.

git-svn-id: https://svn.dealii.org/trunk@29893 0785d39b-7218-0410-832d-ea1e28bc413d
---
 tests/tests.h | 30 +++++++++++++++++++++++-------
 1 file changed, 23 insertions(+), 7 deletions(-)

diff --git a/tests/tests.h b/tests/tests.h
index 4dfffcbe91..b2feb8cb05 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -73,10 +73,12 @@ output_file_for_mpi (const std::string &directory)
 #endif
 }
 
+
 inline
 void
 mpi_initlog(const char* filename, bool console=false)
 {
+#ifdef DEAL_II_WITH_MPI
   unsigned int myid = Utilities::MPI::this_mpi_process (MPI_COMM_WORLD);
   if (myid == 0)
     {
@@ -89,8 +91,12 @@ mpi_initlog(const char* filename, bool console=false)
 //TODO: Remove this line and replace by test_mode()
       deallog.threshold_float(1.e-8);
     }
+#else
+  // can't use this function if not using MPI
+  Assert (false, ExcInternalError());
+#endif
 }
-  
+
 
 
 /* helper class to include the deallogs of all processors
@@ -101,6 +107,7 @@ class MPILogInitAll
     MPILogInitAll(const char* filename, bool console=false)
 		    : m_filename(filename)
       {
+#ifdef DEAL_II_WITH_MPI
 	unsigned int myid = Utilities::MPI::this_mpi_process (MPI_COMM_WORLD);
 	deallogname = output_file_for_mpi(JobIdentifier::base_name(filename));
 	if (myid != 0)
@@ -113,46 +120,55 @@ class MPILogInitAll
 //TODO: Remove this line and replace by test_mode()
 	deallog.threshold_float(1.e-8);
 	deallog.push(Utilities::int_to_string(myid));
+#else
+	// can't use this function if not using MPI
+	Assert (false, ExcInternalError());
+#endif
       }
 
     ~MPILogInitAll()
       {
+#ifdef DEAL_II_WITH_MPI
 	unsigned int myid = Utilities::MPI::this_mpi_process (MPI_COMM_WORLD);
 	unsigned int nproc = Utilities::MPI::n_mpi_processes (MPI_COMM_WORLD);
-	
+
 	deallog.pop();
 	if (myid!=0)
 	  {
 	    deallog.detach();
 	    deallogfile.close();
 	  }
-	
+
 	MPI_Barrier(MPI_COMM_WORLD);
 
 	if (myid==0)
-	  {	
+	  {
 	    for (unsigned int i=1;i<nproc;++i)
 	      {
 		std::string filename = output_file_for_mpi(JobIdentifier::base_name(m_filename.c_str()))
 				       + Utilities::int_to_string(i);
 		std::ifstream in(filename.c_str());
 		Assert (in, ExcIO());
-		
+
 		while (in)
 		  {
 		    std::string s;
 		    std::getline(in, s);
 		    deallog.get_file_stream() << s << "\n";
 		  }
-		in.close();	    
+		in.close();
 		std::remove (filename.c_str());
 	      }
 	  }
+#else
+	// can't use this function if not using MPI
+	Assert (false, ExcInternalError());
+#endif
       }
   private:
 
     std::string m_filename;
-    
+
 };
 
 
-- 
2.39.5