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Re: Accessing C++ class method from ObjC++ code
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Re: Accessing C++ class method from ObjC++ code


  • Subject: Re: Accessing C++ class method from ObjC++ code
  • From: Shawn Erickson <email@hidden>
  • Date: Sun, 18 Nov 2007 12:11:09 -0800


On Nov 18, 2007, at 11:50 AM, Charles Hamel wrote:

The definition is exactly the same, I copied/pasted it just to be sure.

No namespaces involved.

I understand the nature of the error, it really looks like somehow the linker doesn't see the analyze method implementation in Vision.mm, even if it is included in the target.

What I don't get is that AppController.mm compiles fine, it even highlights the vision->analyze(...) statement, so it knows it is a valid symbol right ?

I have read the Apple doc many time now and I don't get what's missing, is there a way to force the linker with some kind of extern statement in my case ?

You see the Vision.mm file get compiled in the build log? You sure some ifdef isn't preventing it from being compiled in?


-Shawn
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  • Follow-Ups:
    • Re: Accessing C++ class method from ObjC++ code
      • From: "Herb Petschauer" <email@hidden>
References: 
 >Re: Accessing C++ class method from ObjC++ code (From: Scott Ribe <email@hidden>)
 >Re: Accessing C++ class method from ObjC++ code (From: Charles Hamel <email@hidden>)
 >Re: Accessing C++ class method from ObjC++ code (From: "stephen joseph butler" <email@hidden>)
 >Re: Accessing C++ class method from ObjC++ code (From: Charles Hamel <email@hidden>)
 >Re: Accessing C++ class method from ObjC++ code (From: "stephen joseph butler" <email@hidden>)
 >Re: Accessing C++ class method from ObjC++ code (From: Charles Hamel <email@hidden>)

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