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Re: When and how often do you mix C++ with Objective C in your project?

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Re: When and how often do you mix C++ with Objective C in your project?

Subject: Re: When and how often do you mix C++ with Objective C in your project?
From: Chris Hanson <email@hidden>
Date: Thu, 30 Oct 2008 18:59:32 -0700

On Oct 30, 2008, at 6:30 PM, Peter N Lewis wrote:

About the biggest issue is that you cannot have C++ objects in an Objective C object (their constructors and destructors wont be called).

You can enable this for code that targets Tiger and later using the "Call C++ Default Ctors/Dtors in Objective-C" build setting in Xcode (GCC_OBJC_CALL_CXX_CDTORS), which maps to the -fobjc-call-cxx-cdtors compiler flag.

However, even when using this flag, NSCopyObject() will not invoke copy constructors, so it should not be relied upon for classes that use that runtime function to conform to the NSCopying protocol.

  -- Chris

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References:  
  >When and how often do you mix C++ with Objective C in your project? (From: Boon Chew <email@hidden>)
  >Re: When and how often do you mix C++ with Objective C in your project? (From: Peter N Lewis <email@hidden>)




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