I tried to compile my c++ code with c++11 features on GCC 4.2.1 which is default on my MacBookPro3,1 with MacOS 10.8.5. I used random library, so I needed newer version of GCC, 4.7 at least to be more precise. I already have MacPorts on this machine (installation guide can be found here). So: No I can compile: Even that you use GCC 5.5.0 you need to pass flag to enable c++11. If someone thinks that this was too easy, then lets try to do this on MacOS 10.4.11 on PowerBook3,4. First thing is to install XCode 2.5 which suppose