From: Martin Kronbichler <kronbichler@lnm.mw.tum.de>
Date: Thu, 18 Sep 2014 08:29:00 +0000 (+0200)
Subject: Fix compilation of #146 without MPI
X-Git-Tag: v8.2.0-rc1~142^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F159%2Fhead;p=dealii.git

Fix compilation of #146 without MPI
---

diff --git a/source/base/mpi.cc b/source/base/mpi.cc
index 4d87cd9da7..3ed5cd3f85 100644
--- a/source/base/mpi.cc
+++ b/source/base/mpi.cc
@@ -331,6 +331,7 @@ namespace Utilities
       else
         // user wants automatic choice
         {
+#ifdef DEAL_II_WITH_MPI
           // we need to figure out how many MPI processes there
           // are on the current node, as well as how many CPU cores
           // we have. for the first task, check what get_hostname()
@@ -381,6 +382,9 @@ namespace Utilities
                         :
                         0),
                        1U);
+#else
+          const unsigned int n_threads = multithread_info.n_cpus;
+#endif
 
           // finally set this number of threads
           multithread_info.set_thread_limit(n_threads);