On Fri, Mar 11, 2011 at 22:49, BJ Homer <bjho...@gmail.com> wrote: > While you can absolutely use the 10.6 SDK and run on Leopard (and thus Xcode > 4 can be used without dropping Leopard), dropping Leopard IS required in > order to use GCD and Blocks. Code with blocks in it won't even compile if the > deployment target is <10.6, since blocks are created on the stack and the > compiler needs to know how much space to give them.
This isn't the case on iOS. You can write code that uses blocks with iOS 4 support, and still run on iOS 3. Is this truly not the case for OS X? -- Zachary West
