C++11 doesn't work in Qt Creator 3.0.0 on Ubuntu 13.10 x64.

CMakeLists.txt

project(tuple_tests)
set(CMAKE_CXXFLAGS "-std=c++11")
cmake_minimum_required(VERSION 2.8)
aux_source_directory(. SRC_LIST)
add_executable(${PROJECT_NAME} ${SRC_LIST})

log

/usr/include/c++/4.8/bits/c++0x_warning.h:32: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support is currently experimental, and must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
 #error This file requires compiler and library support for the \
  ^

/tmp/tuple_tests/main.cxx:-1: In function 'int main()':

/tmp/tuple_tests/main.cxx:5: error: 'foo' does not name a type
     auto foo = std::make_tuple("bar", "foo", "can");
          ^

/tmp/tuple_tests/main.cxx:6: error: 'foo' was not declared in this scope
     std::cout << foo;
                  ^

main.cxx

#include <iostream>
#include <tuple>
 
int main() {
    auto foo = std::make_tuple("bar", "foo", "can");
    std::cout << foo;
}