From 0459406f84eaa2ed016c2ef798aa98b561a1b4d0 Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Mon, 10 Jan 2022 15:01:58 +0000
Subject: [PATCH] Supress missing-override warnings in GCC/Clang

Due to OSG's age, I get a lot of these with Clang & XCodee
---
 CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c232b59e..9531ea9c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -333,6 +333,11 @@ if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
     if(HAS_NOWARN_UNUSED_TYPEDEFS)
         set(WARNING_FLAGS_CXX " ${WARNING_FLAGS_CXX} -Wno-unused-local-typedefs")
     endif()
+
+    check_cxx_compiler_flag(-Wno-inconsistent-missing-override HAS_NOWARN_MISSING_OVERRIDE)
+    if(HAS_NOWARN_MISSING_OVERRIDE)
+        set(WARNING_FLAGS_CXX " ${WARNING_FLAGS_CXX} -Wno-inconsistent-missing-override")
+    endif()
 endif()
 
 if(WIN32)