USAGE Run ./sync.sh, ./build.sh and ./combine.sh as appropriate. It is probably needed to change some variables in ./build.sh and maybe ./sync.sh. To find out which SDKs are supported run: xcodebuild -showsdks To switch which XCode Installation is used, run sudo xcode-select -switch $XCODEROOT CREDITS This code is partially taken from the answer to this SO Question: http://stackoverflow.com/questions/7007305/