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Problem understanding linking error

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Problem understanding linking error, Xcode returned a linking error, but I can't figure out how to fix

kaizoku0506	19 May, 2008 - 08:40 AM Post #1
New D.I.C Head Joined: 23 Apr, 2008 Posts: 7 My Contributions	I wrote a VERY basic game in C++ as an exercise. However, after my last set of updates, XCode started returning a linking error. I can't figure it out to save my life. I've attached a screenshot of the error message. It references three completely unrelated pieces of code. I don't know what it means. Any help would be very much appreciated! (The error message is displayed twice. Once in red, and again below highlighted in gray).
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Cerolobo	RE: Problem Understanding Linking Error 19 May, 2008 - 08:57 AM Post #2
D.I.C Regular Joined: 5 Apr, 2008 Posts: 440 Thanked: 31 times My Contributions	It means that you are compiling the same function more then once. This generally happens when you have the actual function body inside a header file, and you include the header more then once. This is a linker error, since there are two functions that are completely different (in the linker's eyes), yet they have the same exact signature, so the linker does not know which one to choose. If you implemented the body of the function in the header, just move it to the .cpp.
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skyhawk133	RE: Problem Understanding Linking Error 19 May, 2008 - 09:02 AM Post #3
Head DIC Head Joined: 17 Mar, 2001 Posts: 14,921 Thanked: 47 times Dream Kudos: 1650 Expert In: Web Development My Contributions	Thanks for helping out Cerolobo!
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kaizoku0506	RE: Problem Understanding Linking Error 19 May, 2008 - 09:08 AM Post #4
New D.I.C Head Joined: 23 Apr, 2008 Posts: 7 My Contributions	Thanks Cerolobo! That did the trick! Now if I could just read these text books faster and figure out how to make this game more interesting . Thanks for your help!
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