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unresolved external errors ???

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unresolved external errors ??? C programming forum discussing all C derivatives, including C#, C++, Object-C, and even plain old vanilla C. These languages are low level languages, and used on projects such as device drivers, compilers, and even whole computer operating systems.

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  #1  
Old October 12th, 2002, 07:50 PM
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Question unresolved external errors ???
What causes an external link error?

I have developed 2 separate header files that compile with no errors and run. But, when I have one the header files call the other I get several external link errors.

Also, I'm running Win2K with a VC++ 6.0 compiler, if it matters.

Quote:
Linking...
test.obj : error LNK2001: unresolved external symbol "public: virtual __thiscall Db::~Db(void)" (??1Db@@UAE@XZ)
test.obj : error LNK2001: unresolved external symbol "public: __thiscall Db:: Db(class DbEnv *,unsigned int)" (??0Db@@QAE@PAVDbEnv@@I@Z)
Debug/InfoCell.exe : fatal error LNK1120: 2 unresolved externals
Error executing link.exe.



Thanks,
Eric
Last edited by Beans4You : October 12th, 2002 at 07:54 PM.
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  #2  
Old October 13th, 2002, 05:39 AM
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Since it's probably your code that's at fault, post some. The output above is too little to go on.
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Old October 13th, 2002, 09:23 AM
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Once again...

I was very frustrated last night so I turned off the computer and went to bed. When I cranked up the CPU this morning I said to myself, "Self check your libraries". Well that was it. I forgot to build it against the libdb41d.lib. Thanks for everyone's help, and yes I'm a moron.
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