From c3b152c7e051c2984da0e893693f1204de90dc94 Mon Sep 17 00:00:00 2001
From: Corentin Le Molgat <corentinl@google.com>
Date: Tue, 24 Apr 2018 17:13:15 +0200
Subject: CMake: Update CXX Standard management

---
 cmake/CMakeLists.txt | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index fca4da33..02429fb1 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -1,5 +1,5 @@
 # Minimum CMake required
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 3.1.3)
 
 if(protobuf_VERBOSE)
   message(STATUS "Protocol Buffers Configuring...")
@@ -15,8 +15,10 @@ endif()
 # Project
 project(protobuf C CXX)
 
-# Add c++11 flags for clang
-set(CMAKE_CXX_FLAGS "-std=c++11")
+# Add c++11 flags
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
 
 # Options
 option(protobuf_BUILD_TESTS "Build tests" ON)
-- 
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