From 5fb986bde1d5c6600ec5b0d4ac8f1f4677aa31c4 Mon Sep 17 00:00:00 2001
From: lethosor <lethosor@gmail.com>
Date: Mon, 7 Nov 2016 15:07:27 -0500
Subject: [PATCH] Warn for GCC versions before 4.8

---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 61b9dce12..4a47d0721 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,6 +32,9 @@ macro(CHECK_GCC COMPILER_PATH)
     # http://developerblog.redhat.com/2015/02/05/gcc5-and-the-c11-abi/
     add_definitions(-D_GLIBCXX_USE_CXX11_ABI=0)
   endif()
+  if(${GCC_VERSION_OUT} VERSION_LESS "4.8")
+    message(WARNING "You are using GCC < 4.8 (detected version: ${GCC_VERSION_OUT}). Support for GCC versions before 4.8 may be removed in the future.")
+  endif()
 endmacro()
 
 if(UNIX)