From: Timo Heister <timo.heister@gmail.com>
Date: Mon, 23 Dec 2019 02:41:10 +0000 (-0500)
Subject: silence system header MPI warning
X-Git-Tag: v9.2.0-rc1~765^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F9191%2Fhead;p=dealii.git

silence system header MPI warning

I am getting
/usr/include/mpich/mpicxx.h:1523:24: warning: ‘virtual MPI::Nullcomm&
MPI::Nullcomm::Clone() const’ can be marked override [-Wsuggest-
override]

with gcc5 and mpich 3.1. Fix this.
---

diff --git a/include/deal.II/base/config.h.in b/include/deal.II/base/config.h.in
index 902ac128f9..52b91155b1 100644
--- a/include/deal.II/base/config.h.in
+++ b/include/deal.II/base/config.h.in
@@ -383,6 +383,7 @@ _Pragma("GCC diagnostic ignored \"-Wnon-virtual-dtor\"")                \
 _Pragma("GCC diagnostic ignored \"-Woverflow\"")                        \
 _Pragma("GCC diagnostic ignored \"-Woverloaded-virtual\"")              \
 _Pragma("GCC diagnostic ignored \"-Wpedantic\"")                        \
+_Pragma("GCC diagnostic ignored \"-Wsuggest-override\"")                \
 _Pragma("GCC diagnostic ignored \"-Wtautological-constant-out-of-range-compare\"") \
 _Pragma("GCC diagnostic ignored \"-Wtype-limits\"")                     \
 _Pragma("GCC diagnostic ignored \"-Wundef\"")                           \
@@ -429,7 +430,9 @@ _Pragma("GCC diagnostic pop")
  * types.h
  */
 #if defined(DEAL_II_WITH_MPI) || defined(DEAL_II_WITH_PETSC)
+DEAL_II_DISABLE_EXTRA_DIAGNOSTICS
 #  include <mpi.h>
+DEAL_II_ENABLE_EXTRA_DIAGNOSTICS
 #endif
 
 #include <deal.II/base/numbers.h>