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Re: Interpreting "undefined symbols"
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Re: Interpreting "undefined symbols"


  • Subject: Re: Interpreting "undefined symbols"
  • From: Adam <email@hidden>
  • Date: Sat, 15 Dec 2007 23:21:23 -0800
  • Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys

On Dec 15, 2007, at 11:08 PM, email@hidden wrote:

On Dec 15, 2007, at 1:26 PM, Adam wrote:


When modifying an OpenGL program that I found on nehe.gamedev.net,  

for some reason I get the following error code:


/usr/bin/ld: Undefined symbols:

_main

collect2: ld returned 1 exit status


...and yet I have the main function defined! Sorry if this is a  

stupid question or something, but my head hurts pretty bad right now  

from trying to figure this out... I bet it's something simple, but I  

can't figure it out.


I bet it's because your main function is in a C++ source and isn't  

declared extern "C".


Even when I declared main() as extern "C", it had the errors.

I didn't have this problem until a short while ago, when I made some minor changes to the program, and now I can't get any of my Xcode projects to work - they all have this error message now. I didn't change anything in the Xcode preferences, either. Any ideas?


All help is appreciated and thanks in advance.

~ < [ / Adam-o \ ] > ~

Mac OS 10.4.11
Powerbook G4



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