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Garbage Collection Pre-Processor Flag

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Garbage Collection Pre-Processor Flag

Subject: Garbage Collection Pre-Processor Flag
From: Jonathon Mah <email@hidden>
Date: Wed, 23 Jul 2008 01:51:48 +0930

Hi all,

Are Xcode build settings exposed as pre-processor variables? I know they're available when pre-processing Info.plists, but can't find a way to use them in source code files (.m).

I ask because it could be great if you could do something like this:

#ifdef OBJC_GC
#error This code doesn't support garbage collection
#endif

on a per-file basis. For example, you might have an app designed as GC- only, but have a few files you've updated from r/r. Then attempting to compile as GC-supported should throw an error for the GC-only code.

Jonathon Mah
email@hidden


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