This is the project of Xcode for compiling boost c++ library. If you are coding c++ project for iOS application, you might need boost c++ library for some reason. Now you just clone this repo. and drag-drop boost.xcodeproj to you Xcode project and get boost c++ support.
You need to add a new search path point to boost-ios/boost_1_58_0 and make sure boost include files can be found.
This project does not compile boost-python and boost-mpi, please be noticed.