From 8273d0eb8c149a8fadd0061139a5350135611c02 Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Fri, 23 Sep 2011 18:25:59 +0000
Subject: [PATCH] Add necessary header file.

git-svn-id: https://svn.dealii.org/trunk@24400 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/include/deal.II/distributed/tria.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/deal.II/include/deal.II/distributed/tria.h b/deal.II/include/deal.II/distributed/tria.h
index 62d91ad0c6..1d98cd845a 100644
--- a/deal.II/include/deal.II/distributed/tria.h
+++ b/deal.II/include/deal.II/distributed/tria.h
@@ -25,6 +25,10 @@
 #include <list>
 #include <utility>
 
+#ifdef DEAL_II_COMPILER_SUPPORTS_MPI
+#  include <mpi.h>
+#endif
+
 #ifdef DEAL_II_USE_P4EST
 #include <p4est_connectivity.h>
 #include <p4est.h>
-- 
2.39.5