“-std=gnu++0x”option for MacOS

Question

I\'m trying to compile a CMake project which uses

set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} \"-Wall -std=gnu++0x\")

in the CMakeLists.txt fil

Answer 1

GCC 4.2 is ancient, but Apple don't ship a newer version.

You can either install a modern GCC from somewhere like Mac Ports (which is probably simpler and quicker) or build it yourself following the instructions at http://gcc.gnu.org/wiki/InstallingGCC