Before setting Skia up for automated testing from the command line, please follow the instructions to run Skia tests (dm, nano-bench) with the mainstream iOS tool chain. See the quick start guide for ios.
iOS doesn't lend itself well to compiling and running from the command line. Below are instructions on how to install a set of tools that make this possible. To see how they are used in automated testing please see the bash scripts used by the buildbot recipes: https://github.com/google/skia/tree/master/platform_tools/ios/bin.
The key tools are
Follow these steps to install them:
brew install libimobiledevice brew install ideviceinstaller brew install caskroom/cask/brew-cask brew install Caskroom/cask/osxfuse brew install ifuse
$ brew update $ brew install node $ npm install ios-deploy