NS_ENUM, NS_OPTIONS, NSArray[dereferencing] not working XCode 4.6

Question

I'm trying to compile the PSTCollectionView library using XCode 4.6, but for some reason, I'm getting a ton of compiler errors. They're all centered around the newer features of Objective-C.

A few examples:

However, the new array/dictionary/NSNumber macros are defined:

I'm using the Apple LLVM Compiler

I'm a bit stumped by this... any notions?

Answer 1

This is apparently an issue caused by using the wrong SDK. I was using the iOS 5.1 SDK, which does not allow the use of these handy new shortcuts that Apple added. When I change to the iOS 6.1 SDK, it no longer complains about that usage.

Apple lets you know in this article here.