From b697a7d6f9e494c805e7d89d6b8170d54271928b Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Fri, 15 Nov 2013 14:21:55 -0800
Subject: [PATCH] Only use GTest's own tuple on clang.

---
 CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 047731bb..271cdc39 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,7 +33,9 @@ if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/gtest/CMakeLists.txt)
     gtest_force_shared_crt
     "Use shared (DLL) run-time lib even when Google Test is built as static lib."
     ON)
-  add_definitions(-DGTEST_USE_OWN_TR1_TUPLE=1)
+  if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+    add_definitions(-DGTEST_USE_OWN_TR1_TUPLE=1)
+  endif ()
   add_subdirectory(gtest)
   include_directories(gtest/include)
   link_directories(${CMAKE_CURRENT_BINARY_DIR}/gtest)