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Re: Garbage Collection Pre-Processor Flag

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Re: Garbage Collection Pre-Processor Flag

Subject: Re: Garbage Collection Pre-Processor Flag
From: Marcel Weiher <email@hidden>
Date: Tue, 22 Jul 2008 09:48:33 -0700


On Jul 22, 2008, at 9:21 , Jonathon Mah wrote:

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).

It's not Xcode build settings, but gcc does have predefined macros that can tell you wether GC is on.

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


Try it with

#if	__OBJC_GC__

This also shows up when getting the list of pre-defined macros via

	cpp -ObjC -fobjc-gc  -dM < /dev/null

Cheers,

Marcel


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  >Garbage Collection Pre-Processor Flag (From: Jonathon Mah <email@hidden>)




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