endif(NOT CMAKE_BUILD_TYPE)
message("CMake build type: ${CMAKE_BUILD_TYPE}")
-set(CMAKE_CXX_FLAGS "-Wall -Wno-parentheses -pedantic --std=c++11 ${CMAKE_CXX_FLAGS}")
+set(CMAKE_CXX_FLAGS "-Wall -Wno-parentheses -pedantic --std=gnu++11 ${CMAKE_CXX_FLAGS}")
if(APPLE)
set(CMAKE_OSX_ARCHITECTURES "x86_64" CACHE STRING "Build architectures for OSX")