From 37882efb1ad419d147d19ed78d8204a22a81794c Mon Sep 17 00:00:00 2001
From: unitrunker <unitrunker@gmail.com>
Date: Tue, 23 Jan 2018 19:34:16 -0600
Subject: [PATCH] Attempt fix for gcc 4.9

---
 CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2cdeb93d..115e59fb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -174,7 +174,11 @@ if(CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang") #  AN
         # message("Setting NANA_LINKS to -static-libgcc -static-libstdc++  -pthread or ${NANA_LINKS}")
     endif(NANA_CMAKE_SHARED_LIB)
 
-    if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.3)
+    if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
+									# GCC 4.9
+        list(APPEND NANA_LINKS -lboost_system -lboost_thread)
+
+    elseif(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.3)
                                                                          # IS_GNUCXX < 5.3
     else(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.3)