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Strange linking issue
Posted by: Teddy Sjöström
Date: September 05, 2009 03:42AM

Hello

I have the classical "unresolved external symbol _get_driver_instance". I've googled for hours about it, though, and can't seem to find where I've gone wrong.

First I installed MySQL Server 5.1 with the include/lib. Then I downloaded Connector/C++ and merged the folders. In Visual C++ 2008 Express, I added the include and lib/opt folders, as well as adding "mysqlcppconn.lib" as an additional dependency. The file is found, but even so the unresolved external symbol persists.

Any thoughts on where I messed up? Below is the code to the check-to-see-if-it-compiles program

-----

#include "stdafx.h"

#include <mysql_driver.h>

using namespace sql;

int main(int argc, char* argv[])
{

Driver *driver;

driver = get_driver_instance();

return 0;
}

EDIT:

Okay, I found a "solution", and that was to use the x86-version of Connector C/C++ with my 64-vista, 64-MySQL and 64-Visual Studio... don't ask me why, but for some reason it works with x86 and not x64 =/

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