From 43c5735baa31c0a1978a1dc0fa7b895d4298f381 Mon Sep 17 00:00:00 2001
From: Seth Alves <seth.alves@gmail.com>
Date: Thu, 18 Aug 2016 11:05:31 -0700
Subject: [PATCH] don't use -Wsuggest-override on older gcc

---
 CMakeLists.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5ecd65ae22..a167207683 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,7 +65,10 @@ if (WIN32)
 else ()
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -fno-strict-aliasing -Wno-unused-parameter")
   if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
-      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ggdb -Woverloaded-virtual -Wdouble-promotion -Wsuggest-override")
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ggdb -Woverloaded-virtual -Wdouble-promotion")
+      if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "5.1") # gcc 5.1 and on have suggest-override
+          set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wsuggest-override")
+      endif ()
   endif ()
 endif(WIN32)