[CONCPP-92] try build simple c++ connector + mariadb + mingw/win10-64 - Jira

Details

Type: Bug
Status: Open (View Workflow)
Priority: Minor
Resolution: Unresolved
Affects Version/s: None
Fix Version/s: None
Component/s: None
Labels:
None
Environment:
windows10 64 bit

Description

try to build connect a simple program with c++ connector and it fails.
(linker is missing some component).

// Includes

#include <iostream>

#include <mariadb/conncpp.hpp>

void updateContact(std::shared_ptr<sql::PreparedStatement> &stmnt,

   sql::SQLString first_name,

   sql::SQLString email)

try

      // Bind variables to prepared statement parameters

      // Note that the index starts at 1--not 0

      stmnt->setString(1, email);

      stmnt->setString(2, first_name);

      // Execute Statement

      stmnt->executeUpdate();

   // Catch Exception

   catch (sql::SQLException &e)

      std::cerr << "Error updating contact: "

         << e.what() << std::endl;

// Main Process

int main(int argc, char **argv)

try

      // Instantiate Driver

      sql::Driver* driver = sql::mariadb::get_driver_instance();

      // Configure Connection

      // The URL or TCP connection string format is

      // ``jdbc:mariadb://host:port/database``.

      sql::SQLString url("jdbc:mariadb://192.0.2.1:3306/test");

      // Use a properties map for the user name and password

      sql::Properties properties({

            {"user", "db_user"},

            {"password", "db_user_password"}

});

      // Establish Connection

      // Use a smart pointer for extra safety

      std::unique_ptr<sql::Connection> conn(driver->connect(url, properties));

      // Use Connection to update contacts with a transaction

try

         // Disabling ``auto-commit`` mode automatically starts a new user managed transaction.

         conn->setAutoCommit(false);

         // Create a PreparedStatement

         // Use a smart pointer for extra safety

         std::shared_ptr<sql::PreparedStatement> stmnt(conn->prepareStatement(

                  "UPDATE test.contacts SET email=? WHERE first_name = ?"

);

         std::string contacts[3][2] = {

               { "John", "johnsmith@example.com" },

               { "Jon", "jonsmith@example.com" },

               { "Johnny", "johnnysmith@example.com" }

};

         for (int row { 0 }; row < 3; ++row) {

            updateContact(stmnt, contacts[row][0], contacts[row][1]);

         // Commit the transaction

         conn->commit();

      catch (sql::SQLException &e)

         std::cerr << "Error updating contact with a transaction: "

            << e.what() << std::endl;

         // Rollback the transaction

         conn->rollback();

      // Close Connection

      conn->close();

   catch (sql::SQLException &e)

      std::cerr << "SQL exception in MariaDB Platform: "

         << e.what() << std::endl;

      // Exit (Failed)

      return 1;

   // Exit (Success)

   return 0;

-------------- Build: Debug in testmariadb__1 (compiler: GNU GCC Compiler)---------------

g++.exe -Wall -fexceptions -std=c++11 -g -I"C:\Program Files\MariaDB\MariaDB C++ Connector 64-bit\include" -I"C:\Program Files\MariaDB\MariaDB Connector C 64-bit\include" -I"C:\Program Files\MariaDB\MariaDB Connector C 64-bit\lib" -I"C:\Program Files\MariaDB\MariaDB C++ Connector 64-bit" -c C:\SOFTWARE__MYSQL__MARIADBPP\test__mariadb__2.cpp -o obj\Debug\test__mariadb__2.o

g++.exe -L"C:\Program Files\MariaDB\MariaDB Connector C 64-bit\lib" -L"C:\Program Files\MariaDB\MariaDB C++ Connector 64-bit" -o bin\Debug\testmariadb__1.exe obj\Debug\test__mariadb__2.o  -static  ..\..\openssl-1.1.1a-win64-mingw\lib\libcrypto.a ..\..\openssl-1.1.1a-win64-mingw\lib\libssl.a "..\..\Program Files\MariaDB\MariaDB Connector C 64-bit\lib\libmariadb.dll" "..\..\Program Files\MariaDB\MariaDB Connector C 64-bit\lib\libmariadb.lib" "..\..\Program Files\MariaDB\MariaDB Connector C 64-bit\lib\mariadbclient.lib" "..\..\Program Files\MariaDB\MariaDB C++ Connector 64-bit\mariadbcpp.lib" "..\..\Program Files\MariaDB\MariaDB C++ Connector 64-bit\mariadbcpp.dll"

In file included from C:\Program Files\MariaDB\MariaDB C++ Connector 64-bit\include/mariadb/conncpp/Driver.hpp:25,

                 from C:\Program Files\MariaDB\MariaDB C++ Connector 64-bit\include/mariadb/conncpp.hpp:24,

                 from C:\SOFTWARE__MYSQL__MARIADBPP\test__mariadb__2.cpp:6:

C:\Program Files\MariaDB\MariaDB C++ Connector 64-bit\include/mariadb/conncpp/SQLString.hpp:32: warning: ignoring #pragma warning  [-Wunknown-pragmas]

 #pragma warning(push)

C:\Program Files\MariaDB\MariaDB C++ Connector 64-bit\include/mariadb/conncpp/SQLString.hpp:33: warning: ignoring #pragma warning  [-Wunknown-pragmas]

 #pragma warning(disable:4251)

In file included from C:\Program Files\MariaDB\MariaDB C++ Connector 64-bit\include/mariadb/conncpp/Driver.hpp:25,

                 from C:\Program Files\MariaDB\MariaDB C++ Connector 64-bit\include/mariadb/conncpp.hpp:24,

                 from C:\SOFTWARE__MYSQL__MARIADBPP\test__mariadb__2.cpp:6:

C:\Program Files\MariaDB\MariaDB C++ Connector 64-bit\include/mariadb/conncpp/SQLString.hpp:111: warning: ignoring #pragma warning  [-Wunknown-pragmas]

 #pragma warning(pop)

obj\Debug\test__mariadb__2.o: In function `main':

C:/SOFTWARE__MYSQL__MARIADBPP/test__mariadb__2.cpp:37: undefined reference to `__imp__ZN3sql7mariadb19get_driver_instanceEv'

C:/SOFTWARE__MYSQL__MARIADBPP/test__mariadb__2.cpp:42: undefined reference to `__imp__ZN3sql9SQLStringC1EPKc'

C:/SOFTWARE__MYSQL__MARIADBPP/test__mariadb__2.cpp:65: undefined reference to `__imp__ZN3sql9SQLStringC1EPKc'

C:/SOFTWARE__MYSQL__MARIADBPP/test__mariadb__2.cpp:65: undefined reference to `__imp__ZN3sql9SQLStringD1Ev'

C:/SOFTWARE__MYSQL__MARIADBPP/test__mariadb__2.cpp:74: undefined reference to `__imp__ZN3sql9SQLStringD1Ev'

C:/SOFTWARE__MYSQL__MARIADBPP/test__mariadb__2.cpp:74: undefined reference to `__imp__ZN3sql9SQLStringD1Ev'

C:/SOFTWARE__MYSQL__MARIADBPP/test__mariadb__2.cpp:42: undefined reference to `__imp__ZN3sql9SQLStringD1Ev'

C:/SOFTWARE__MYSQL__MARIADBPP/test__mariadb__2.cpp:48: undefined reference to `__imp__ZN3sql9SQLStringD1Ev'

obj\Debug\test__mariadb__2.o:C:/SOFTWARE__MYSQL__MARIADBPP/test__mariadb__2.cpp:74: more undefined references to `__imp__ZN3sql9SQLStringD1Ev' follow

obj\Debug\test__mariadb__2.o: In function `sql::SQLString::SQLString(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':

C:/Program Files/MariaDB/MariaDB C++ Connector 64-bit/include/mariadb/conncpp/SQLString.hpp:43: undefined reference to `__imp__ZN3sql9SQLStringC1EPKcy'

obj\Debug\test__mariadb__2.o: In function `std::pair<sql::SQLString const, sql::SQLString>::~pair()':

C:/Program Files/CodeBlocks/MinGW/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/stl_pair.h:198: undefined reference to `__imp__ZN3sql9SQLStringD1Ev'

C:/Program Files/CodeBlocks/MinGW/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/stl_pair.h:198: undefined reference to `__imp__ZN3sql9SQLStringD1Ev'

obj\Debug\test__mariadb__2.o: In function `std::pair<sql::SQLString const, sql::SQLString>::pair<char const (&) [5], char const (&) [8], true>(char const (&) [5], char const (&) [8])':

C:/Program Files/CodeBlocks/MinGW/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/stl_pair.h:331: undefined reference to `__imp__ZN3sql9SQLStringC1EPKc'

C:/Program Files/CodeBlocks/MinGW/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/stl_pair.h:331: undefined reference to `__imp__ZN3sql9SQLStringC1EPKc'

C:/Program Files/CodeBlocks/MinGW/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/stl_pair.h:331: undefined reference to `__imp__ZN3sql9SQLStringD1Ev'

obj\Debug\test__mariadb__2.o: In function `std::pair<sql::SQLString const, sql::SQLString>::pair<char const (&) [9], char const (&) [17], true>(char const (&) [9], char const (&) [17])':

C:/Program Files/CodeBlocks/MinGW/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/stl_pair.h:331: undefined reference to `__imp__ZN3sql9SQLStringC1EPKc'

C:/Program Files/CodeBlocks/MinGW/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/stl_pair.h:331: undefined reference to `__imp__ZN3sql9SQLStringC1EPKc'

C:/Program Files/CodeBlocks/MinGW/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/stl_pair.h:331: undefined reference to `__imp__ZN3sql9SQLStringD1Ev'

obj\Debug\test__mariadb__2.o: In function `std::less<sql::SQLString>::operator()(sql::SQLString const&, sql::SQLString const&) const':

C:/Program Files/CodeBlocks/MinGW/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/stl_function.h:386: undefined reference to `__imp__ZNK3sql9SQLStringltERKS0_'

obj\Debug\test__mariadb__2.o: In function `std::pair<sql::SQLString const, sql::SQLString>::pair(std::pair<sql::SQLString const, sql::SQLString> const&)':

C:/Program Files/CodeBlocks/MinGW/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/stl_pair.h:292: undefined reference to `__imp__ZN3sql9SQLStringC1ERKS0_'

C:/Program Files/CodeBlocks/MinGW/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/stl_pair.h:292: undefined reference to `__imp__ZN3sql9SQLStringC1ERKS0_'

C:/Program Files/CodeBlocks/MinGW/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/bits/stl_pair.h:292: undefined reference to `__imp__ZN3sql9SQLStringD1Ev'

collect2.exe: error: ld returned 1 exit status

Process terminated with status 1 (0 minute(s), 16 second(s))

23 error(s), 3 warning(s) (0 minute(s), 16 second(s))

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Lawrin Novitsky added a comment - 2024-11-21 12:18

Thank you for your report. Technically we do not support mingw, thus I've put priority to Minor.
The error is that the linker can't find symbols from c/c++ actually. I am actually not sure, but maybe you should try to build c/c++ from source to use in mingw.
On a side note, our windows binaried does not have dependency on openssl, so you don't need to link it.

Lawrin Novitsky added a comment - 2024-11-21 12:18 Thank you for your report. Technically we do not support mingw, thus I've put priority to Minor. The error is that the linker can't find symbols from c/c++ actually. I am actually not sure, but maybe you should try to build c/c++ from source to use in mingw. On a side note, our windows binaried does not have dependency on openssl, so you don't need to link it.

MariaDB Connector/C++

try build simple c++ connector + mariadb + mingw/win10-64

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