ACGL should work on Linux, MacOS X and Windows with the latest gcc, clang and VisualStudio. On MacOS X XCode provides the compiler, the command line tools need to be installed manually in addition to OS X.
C++11 features can be used as long as they don't break compatibility with the a fore mentioned systems. Known issues here:
std::make_shared does not work on all Mac / XCode combinations, avoid this feature!