On Dec 29, 2010, at 3:41 PM, Jason T. Slack-Moehrle wrote:

> In my code (which is OS X and Windows) I am currently using #ifdef __APPLE__ 
> for Apple specific items, I need to move this to Objective-C and call from 
> CPP should I switch to __OBJC__ instead of __APPLE__?  

Yes, if that Mac-specific code is written using ObjC. __OBJC__ will not be 
defined for code residing in C and C++ source files.

> I am presuming from your solution that __APPLE__ just means the platform of 
> OS9 or OS X and Objective-C is not on OS 9.

Correct. You're not still targeting Mac OS 9, are you? Mac OS 9 was deprecated 
almost ten years ago, and I haven't seen anyone use it in a very long time.

> I thought that __MACH__ ensured OS X? Which I take it also could not imply 
> __OBJC__

Correct.

Nick Zitzmann
<http://www.chronosnet.com/>

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