find_program(CMAKE_AR NAMES "/usr/bin/x86_64-linux-gnu-gcc-ar-4.7")
find_program(CMAKE_NM NAMES "/usr/bin/x86_64-linux-gnu-gcc-nm-4.7")
find_program(CMAKE_RANLIB NAMES "/usr/bin/x86_64-linux-gnu-gcc-ranlib-4.7")

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_EXTENSIONS ON)
check_enable_cxx_compiler_flag(-Wno-shadow)