Add notes about compiling on iOS to README
re: rust-windowing/glutin#1154
Add notes about getting it compile and run properly on iOS
@@ -81,6 +81,10 @@ The plan is that glutin tries to dynamically link-to and use wayland if possible
Due to an issue with how mesa and Wayland play together, all shared contexts must use the same events pool as each other.
+### iOS
+
+In order to build in XCode, you must link both `UIKit.framework` and `OpenGLES.framework`. In order for your app to not crash while attempting to obtain a context, you must also link `CoreFoundation.framework` and `GLKit.framework`.
+
## Common issues
Help! I'm receiving `NoAvailablePixelFormat`!
