From: Patrick Esser <Patrick.Esser@gmx.net>
Date: Tue, 15 Sep 2015 14:06:38 +0000 (+0200)
Subject: add -Woverloaded-virtual flag for gnu compiler
X-Git-Tag: v8.4.0-rc2~399^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8dc13efa09d8161286d73312fd99cadd95ce932c;p=dealii.git

add -Woverloaded-virtual flag for gnu compiler

Add warning about overloaded virtual functions which are shadowed
when only a subset of its signatures are overridden in a derived class.
---

diff --git a/cmake/setup_compiler_flags_gnu.cmake b/cmake/setup_compiler_flags_gnu.cmake
index 9409c36cc8..8dab112884 100644
--- a/cmake/setup_compiler_flags_gnu.cmake
+++ b/cmake/setup_compiler_flags_gnu.cmake
@@ -64,6 +64,7 @@ ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS "-Wwrite-strings")
 ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS "-Wsynth")
 ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS "-Wsign-compare")
 ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS "-Wswitch")
+ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS "-Woverloaded-virtual")
 
 #
 # Disable Wlong-long that will trigger a lot of warnings when compiling