From: David Wells <wellsd2@rpi.edu>
Date: Mon, 14 Aug 2017 17:03:23 +0000 (-0400)
Subject: 8.5.1 only: remove fallthrough warnings.
X-Git-Tag: v8.5.1~2^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F4840%2Fhead;p=dealii.git

8.5.1 only: remove fallthrough warnings.
---

diff --git a/cmake/setup_compiler_flags_gnu.cmake b/cmake/setup_compiler_flags_gnu.cmake
index a00de57d93..8dd2f6fd7b 100644
--- a/cmake/setup_compiler_flags_gnu.cmake
+++ b/cmake/setup_compiler_flags_gnu.cmake
@@ -72,6 +72,11 @@ ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS "-Woverloaded-virtual")
 #
 ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS "-Wno-long-long")
 
+#
+# Disable fallthrough warnings on GCC7:
+#
+ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS "-Wno-implicit-fallthrough")
+
 #
 # Disable Wplacement-new that will trigger a lot of warnings
 # in the BOOST function classes that we include via the