Question

i want to connect C to mysql using the following code:

#include <C:\Program Files\MySQL\MySQL Connector C 6.0.2\include\my_global.h>
#include <C:\Program Files\MySQL\MySQL Connector C 6.0.2\include\mysql.h>

#include <stdio.h> 
MYSQL *conn;    /* pointer to connection handler */

int main ( int argc, char *argv[] )
{
    conn = mysql_init ( NULL );
    mysql_real_connect (
            conn,"localhost","root","","operator", 3306, NULL,0 );        
    mysql_close ( conn );
    return 0;
}

When i try to compile ,i get:

Error   3   error LNK2019: unresolved external symbol _mysql_real_connect@32 referenced in function _main   C:\Users\kristel\Documents\Visual Studio 2010\Projects\database\database\database.obj   database

Error   4   error LNK2019: unresolved external symbol _mysql_init@4 referenced in function _main    C:\Users\kristel\Documents\Visual Studio 2010\Projects\database\database\database.obj   database

It seems like something is missing but i dont know when.

I have added the mysqllib.lib like in the picture but still the problem is not resolved.

Just another question: Doing my searches,i have found something concerning cmake.Is there any relation between my error and cmake?
Thank you.

Answer 1

While you have included the mySQL header files in your code, you haven’t included the mySQL library in your link options.