On Aug 16, 2013, at 5:10 AM, Gerriet M. Denkmann <gerr...@mdenkmann.de> wrote:
> I have some code which is almost identical vor iOS and OS X.
> So I want to write something like:
> 
> #ifdef SOME_THING
>       //      OS X
>       NSRect someRect = ...
> #else
>       // iOS
>       CGRect someRect =...
> #endif
> 
> But what to choose for SOME_THING?

You want TargetConditionals.h.

http://sealiesoftware.com/blog/archive/2010/8/16/TargetConditionalsh.html


-- 
Greg Parker     gpar...@apple.com     Runtime Wrangler



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