From 42022f4989958d87e27d2dd5029d5cf8d0a42efa Mon Sep 17 00:00:00 2001
From: Sergio Martins <iamsergio@gmail.com>
Date: Sun, 30 Oct 2016 22:50:47 +0000
Subject: [PATCH] Fix build with older gcc compilers

---
 CMakeLists.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 010333f..06a4a77 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,6 +14,16 @@ include_directories(${Qt5Gui_INCLUDES})
 
 set(CMAKE_CXX_FLAGS "${Qt5Gui_EXECUTABLE_COMPILE_FLAGS}")
 
+include(CheckCXXCompilerFlag)
+CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
+CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
+if(COMPILER_SUPPORTS_CXX11)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+elseif(COMPILER_SUPPORTS_CXX0X)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
+else()
+    message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")
+endif()
 
 add_subdirectory(src)
 add_subdirectory(plugins)