mysql-connection-1.1 link problems
Posted by: Melvin Stober
Date: January 14, 2013 09:39PM

I get lots of unresolved link errors when attempting to link the the example/connection,cpp program. I'm using Visual Studio 2012 Pro on Windows 7, the mysql server is on a different computer on my LAN. I downloaded the source code for the connection-c++, and I'm trying to compile the example connection.cpp program.

I tried linking to mysqlcppconn.lib, which linked ok but the program filed to run. MS-Windows producted error message something about can not run the program.

Then I tried linking to the static library mysqlcppconn-static.lib. This produces the unresolved errors below.

>connect.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __thiscall sql::SQLString::~SQLString(void)" (__imp_??1SQLString@sql@@QAE@XZ) referenced in function _main
1>connect.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __thiscall sql::SQLString::SQLString(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (__imp_??0SQLString@sql@@QAE@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z) referenced in function _main
1>connect.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __thiscall sql::SQLString::SQLString(char const * const)" (__imp_??0SQLString@sql@@QAE@QBD@Z) referenced in function _main
1>connect.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const & __thiscall sql::SQLString::asStdString(void)const " (__imp_?asStdString@SQLString@sql@@QBEABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@XZ) referenced in function "class std::basic_ostream<char,struct std::char_traits<char> > & __cdecl std::operator<<(class std::basic_ostream<char,struct std::char_traits<char> > &,class sql::SQLString const &)" (??6std@@YAAAV?$basic_ostream@DU?$char_traits@D@std@@@0@AAV10@ABVSQLString@sql@@@Z)
1>connect.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const & __thiscall sql::SQLException::getSQLState(void)const " (__imp_?getSQLState@SQLException@sql@@QBEABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@XZ) referenced in function __catch$_main$0
1>connect.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: int __thiscall sql::SQLException::getErrorCode(void)const " (__imp_?getErrorCode@SQLException@sql@@QBEHXZ) referenced in function __catch$_main$0
1>connect.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) class sql::mysql::MySQL_Driver * __cdecl sql::mysql::get_driver_instance(void)" (__imp_?get_driver_instance@mysql@sql@@YAPAVMySQL_Driver@12@XZ) referenced in function _main

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