From e162866df1c6d1f14eccc6b63e13069f201fd876 Mon Sep 17 00:00:00 2001
From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Sat, 28 Apr 2018 22:33:44 +0200
Subject: [PATCH] Disable sc_init

---
 source/base/mpi.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/source/base/mpi.cc b/source/base/mpi.cc
index 5d0a06e9a2..a5ba1c84d8 100644
--- a/source/base/mpi.cc
+++ b/source/base/mpi.cc
@@ -363,7 +363,12 @@ namespace Utilities
 
 #ifdef DEAL_II_WITH_P4EST
       //Initialize p4est and libsc components
+#if !(DEAL_II_P4EST_VERSION_GTE(2,0,0,0))
+      // This feature is broken in version 2.0.0 for calls to
+      // MPI_Comm_create_group. Disabling it leads to more verbose
+      // p4est error messages which should be fine.
       sc_init(MPI_COMM_WORLD, 0, 0, nullptr, SC_LP_SILENT);
+#endif
       p4est_init (nullptr, SC_LP_SILENT);
 #endif
 
-- 
2.39.5