From 7d73c7f18be20407ffd28f72b3275da233658f80 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Thu, 27 Mar 2014 15:38:40 +0100
Subject: Change abi version when enabling AVX with GCC

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

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fb13769f4..838a41b79 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -199,6 +199,9 @@ if(NOT MSVC)
   option(EIGEN_TEST_AVX "Enable/Disable AVX in tests/examples" OFF)
   if(EIGEN_TEST_AVX)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx")
+    if(CMAKE_COMPILER_IS_GNUCXX)
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fabi-version=6")
+    endif()
     message(STATUS "Enabling AVX in tests/examples")
   endif()
 
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