From 3594451ee02f006d987e416e711103b2bc860454 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Fri, 20 Feb 2015 09:31:27 +0100
Subject: Remove EIGEN_TEST_C++0x option and let EIGEN_TEST_CXX11 adds the
 -std=c++11 flag

---
 cmake/EigenConfigureTesting.cmake | 11 ++++++++---
 cmake/EigenTesting.cmake          |  6 ++++++
 2 files changed, 14 insertions(+), 3 deletions(-)

(limited to 'cmake')

diff --git a/cmake/EigenConfigureTesting.cmake b/cmake/EigenConfigureTesting.cmake
index 737f77232..0ee484e8c 100644
--- a/cmake/EigenConfigureTesting.cmake
+++ b/cmake/EigenConfigureTesting.cmake
@@ -49,9 +49,7 @@ if(CMAKE_COMPILER_IS_GNUCXX)
   else(EIGEN_COVERAGE_TESTING)
     set(COVERAGE_FLAGS "")
   endif(EIGEN_COVERAGE_TESTING)
-  if(EIGEN_TEST_C++0x)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
-  endif(EIGEN_TEST_C++0x)
+  
   if(CMAKE_SYSTEM_NAME MATCHES Linux)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COVERAGE_FLAGS} -g2")
     set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${COVERAGE_FLAGS} -O2 -g2")
@@ -61,3 +59,10 @@ if(CMAKE_COMPILER_IS_GNUCXX)
 elseif(MSVC)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D_CRT_SECURE_NO_WARNINGS /D_SCL_SECURE_NO_WARNINGS")
 endif(CMAKE_COMPILER_IS_GNUCXX)
+
+
+check_cxx_compiler_flag("-std=c++11" EIGEN_COMPILER_SUPPORT_CXX11)
+
+if(EIGEN_TEST_CXX11 AND EIGEN_COMPILER_SUPPORT_CXX11)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+endif()
diff --git a/cmake/EigenTesting.cmake b/cmake/EigenTesting.cmake
index dc69f65aa..b4ab95dbc 100644
--- a/cmake/EigenTesting.cmake
+++ b/cmake/EigenTesting.cmake
@@ -299,6 +299,12 @@ macro(ei_testing_print_summary)
     else()
       message(STATUS "ARMv8 NEON:        Using architecture defaults")
     endif()
+    
+    if(EIGEN_TEST_CXX11)
+      message(STATUS "C++11:             ON")
+    else()
+      message(STATUS "C++11:             OFF")
+    endif()
 
   endif() # vectorization / alignment options
 
-- 
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