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firebird database - ibpp

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  • SGaistS Offline
    SGaistS Offline
    SGaist
    Lifetime Qt Champion
    wrote on last edited by
    #4

    Hi and welcome to devnet,

    You should post the actual error, this is just the end of the log and not the most useful information can be extracted from that part.

    Interested in AI ? www.idiap.ch
    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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    0
    • J Offline
      J Offline
      jleko
      wrote on last edited by jleko
      #5

      Hi,
      This is how my .pro file looks now.
      It compiles...
      Thanks a lot

      QT += core gui sql¸
      SOURCES += main.cpp
      mainview.cpp

      HEADERS += mainview.h
      ibpp-core/_ibpp.h
      ibpp-core/ibase.h
      ibpp-core/iberror.h
      ibpp-core/ibpp.h

      FORMS += mainview.ui

      #IBPP
      win32 {
      LIBS += -LC:/Firebird/Firebird_3_0/lib -lfbclient_ms -ladvapi32
      DEFINES += IBPP_WINDOWS
      #LIBS += -lfbclient_ms
      }
      INCLUDEPATH += c:/Firebird/Firebird_3_0/include

      #C++ flags
      CONFIG += c++11
      CONFIG += c++14

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #6

        Which version of Qt are you using ? If above or equal 5.7, you can safely remove the C++XX config values. A C++11 able compiler is mandatory since 5.7. qmake should choose the latest standard available.

        And again, please post a more complete error log.

        Interested in AI ? www.idiap.ch
        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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        • J Offline
          J Offline
          jleko
          wrote on last edited by jleko
          #7

          I'm using qt 5.8
          Here is the content of .cpp, .h and .pro files, and text of error:
          //qt pro file
          #-------------------------------------------------

          Project created by QtCreator 2017-04-12T23:31:36

          #-------------------------------------------------

          QT += core gui sql

          greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

          TARGET = qtfb2
          TEMPLATE = app

          The following define makes your compiler emit warnings if you use

          any feature of Qt which as been marked as deprecated (the exact warnings

          depend on your compiler). Please consult the documentation of the

          deprecated API in order to know how to port your code away from it.

          DEFINES += QT_DEPRECATED_WARNINGS

          You can also make your code fail to compile if you use deprecated APIs.

          In order to do so, uncomment the following line.

          You can also select to disable deprecated APIs only up to a certain version of Qt.

          #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0

          SOURCES += main.cpp
          mainview.cpp

          HEADERS += mainview.h
          ibpp-core/_ibpp.h
          ibpp-core/ibase.h
          ibpp-core/iberror.h
          ibpp-core/ibpp.h

          FORMS += mainview.ui

          #IBPP
          win32 {
          LIBS += -LC:/Firebird/Firebird_3_0/lib
          LIBS += -lAdvapi32 -lfbclient_ms
          DEFINES += IBPP_WINDOWS
          DEFINES += MBCS
          DEFINES -= -UNICODE
          QMAKE_CXXFLAGS += -DIBPP_WINDOWS

          #LIBS += -LC:/Firebird/Firebird_2_5/lib
          }
          INCLUDEPATH += c:/Firebird/Firebird_3_0/include

          #C++ flags
          #CONFIG += c++11
          #CONFIG += c++14

          //mainview.cpp
          #include "mainview.h"
          #include "ui_mainview.h"
          #include <iostream>
          #include <string>
          #include <QDebug>
          #include "ibpp-core/ibpp.h"

          using namespace IBPP;
          using namespace std;

          MainView::MainView(QWidget *parent) :
          QMainWindow(parent),
          ui(new Ui::MainView)
          {
          ui->setupUi(this);
          db=IBPP::DatabaseFactory(serverName,dbName,userName, password);
          }

          MainView::~MainView()
          {
          delete ui;
          }

          //mainview.h
          #ifndef MAINVIEW_H
          #define MAINVIEW_H

          #include <QMainWindow>
          #include <string>
          #include "ibpp-core/ibpp.h"
          #include "ibpp-core/_ibpp.h"
          using namespace IBPP;
          using namespace std;

          namespace Ui {
          class MainView;
          }

          class MainView : public QMainWindow
          {
          Q_OBJECT

          public:
          explicit MainView(QWidget *parent = 0);
          ~MainView();

          private:
          Ui::MainView ui;
          Database db;
          const string dbName = "C:/Firebird/Firebird_3_0/examples/JLEKOTEST.FDB";
          const string serverName = "localhost";
          const string userName = "SYSDBA";
          const string password = "
          ***";
          };

          #endif // MAINVIEW_H

          //qt issues
          mainview.obj:-1: error: LNK2019: unresolved external symbol "class IBPP::Ptr<class IBPP::IDatabase> __cdecl IBPP::DatabaseFactory(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?DatabaseFactory@IBPP@@YA?AV?$Ptr@VIDatabase@IBPP@@@1@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@000000@Z) referenced in function "class IBPP::Ptr<class IBPP::IDatabase> __cdecl IBPP::DatabaseFactory(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?DatabaseFactory@IBPP@@YA?AV?$Ptr@VIDatabase@IBPP@@@1@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@000@Z)

          debug\qtfb2.exe:-1: error: LNK1120: 1 unresolved externals

          //compile output
          11:36:38: Running steps for project qtfb2...
          11:36:38: Configuration unchanged, skipping qmake step.
          11:36:38: Starting: "C:\Qt\Tools\QtCreator\bin\jom.exe"
          C:\Qt\Tools\QtCreator\bin\jom.exe -f Makefile.Debug
          cl -c -nologo -Zc:wchar_t -FS -Zc:strictStrings -Zc:throwingNew -DIBPP_WINDOWS -Zi -MDd -GR -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -EHsc /Fddebug\qtfb2.vc.pdb -DWIN32 -DWIN64 -DQT_DEPRECATED_WARNINGS -DIBPP_WINDOWS -DMBCS -DQT_QML_DEBUG -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_SQL_LIB -DQT_CORE_LIB -I..\qtfb2 -I. -Ic:\Firebird\Firebird_3_0\include -IC:\Qt\5.8\msvc2015_64\include -IC:\Qt\5.8\msvc2015_64\include\QtWidgets -IC:\Qt\5.8\msvc2015_64\include\QtGui -IC:\Qt\5.8\msvc2015_64\include\QtANGLE -IC:\Qt\5.8\msvc2015_64\include\QtSql -IC:\Qt\5.8\msvc2015_64\include\QtCore -Idebug -I. -IC:\Qt\5.8\msvc2015_64\mkspecs\win32-msvc2015 -Fodebug\ @C:\Users\jozol\AppData\Local\Temp\mainview.obj.3512.15.jom
          mainview.cpp
          link /NOLOGO /DYNAMICBASE /NXCOMPAT /DEBUG /SUBSYSTEM:WINDOWS "/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='' processorArchitecture=''" /MANIFEST:embed /OUT:debug\qtfb2.exe @C:\Users\jozol\AppData\Local\Temp\qtfb2.exe.3512.3015.jom
          mainview.obj : error LNK2019: unresolved external symbol "class IBPP::Ptr<class IBPP::IDatabase> __cdecl IBPP::DatabaseFactory(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?DatabaseFactory@IBPP@@YA?AV?$Ptr@VIDatabase@IBPP@@@1@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@000000@Z) referenced in function "class IBPP::Ptr<class IBPP::IDatabase> __cdecl IBPP::DatabaseFactory(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?DatabaseFactory@IBPP@@YA?AV?$Ptr@VIDatabase@IBPP@@@1@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@000@Z)
          debug\qtfb2.exe : fatal error LNK1120: 1 unresolved externals
          jom: C:\Users\jozol\OneDrive\APP-DEMO\build-qtfb2-Desktop_Qt_5_8_0_MSVC2015_64bit-Debug\Makefile.Debug [debug\qtfb2.exe] Error 1120
          jom: C:\Users\jozol\OneDrive\APP-DEMO\build-qtfb2-Desktop_Qt_5_8_0_MSVC2015_64bit-Debug\Makefile [debug] Error 2
          11:36:41: The process "C:\Qt\Tools\QtCreator\bin\jom.exe" exited with code 2.
          Error while building/deploying project qtfb2 (kit: Desktop Qt 5.8.0 MSVC2015_64bit)
          The kit Desktop Qt 5.8.0 MSVC2015_64bit has configuration issues which might be the root cause for this problem.
          When executing step "Make"
          11:36:41: Elapsed time: 00:03.

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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #8

            Are you sure you are linking to all the required libraries ?

            Interested in AI ? www.idiap.ch
            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

            J 1 Reply Last reply
            0
            • SGaistS SGaist

              Are you sure you are linking to all the required libraries ?

              J Offline
              J Offline
              jleko
              wrote on last edited by
              #9

              @SGaist I'm not sure, if you have a suggestion please be my guest...

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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #10

                For which version of MSVC are your Firebrid libraries compiled ?

                What about ib_util_ms.lib ?

                Interested in AI ? www.idiap.ch
                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                J 1 Reply Last reply
                1
                • SGaistS SGaist

                  For which version of MSVC are your Firebrid libraries compiled ?

                  What about ib_util_ms.lib ?

                  J Offline
                  J Offline
                  jleko
                  wrote on last edited by
                  #11

                  @SGaist
                  Hi, I reinstalled Qt with MinGW, included ib_util_ms.lib and error looks like this:

                  22:05:37: Running steps for project qtfb2...
                  22:05:37: Configuration unchanged, skipping qmake step.
                  22:05:37: Starting: "C:\Qt\Tools\mingw530_32\bin\mingw32-make.exe" 
                  C:\Qt\5.8\mingw53_32\bin\qmake.exe -o Makefile ..\qtfb2\qtfb2.pro -spec win32-g++ "CONFIG+=debug" "CONFIG+=qml_debug"
                  C:/Qt/Tools/mingw530_32/bin/mingw32-make -f Makefile.Debug
                  mingw32-make[1]: Entering directory 'C:/Users/jozol/OneDrive/APP-DEMO/build-qtfb2-Desktop_Qt_5_8_0_MinGW_32bit-Debug'
                  g++ -Wl,-subsystem,windows -mthreads -o debug\qtfb2.exe debug/main.o debug/mainview.o debug/moc_mainview.o  -lmingw32 -LC:\Qt\5.8\mingw53_32\lib C:\Qt\5.8\mingw53_32\lib\libqtmaind.a -LC:\utils\my_sql\my_sql\lib -LC:\utils\postgresql\pgsql\lib -lshell32 -LC:\Firebird\Firebird_3_0\lib -LC:\Firebird\Firebird_3_0\WOW64\lib -lAdvapi32 -lfbclient_ms -lib_util_ms C:\Qt\5.8\mingw53_32\lib\libQt5Widgetsd.a C:\Qt\5.8\mingw53_32\lib\libQt5Guid.a C:\Qt\5.8\mingw53_32\lib\libQt5Sqld.a C:\Qt\5.8\mingw53_32\lib\libQt5Cored.a 
                  debug/mainview.o: In function `ZN4IBPP15DatabaseFactoryERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_S7_S7_':
                  C:\Users\jozol\OneDrive\APP-DEMO\build-qtfb2-Desktop_Qt_5_8_0_MinGW_32bit-Debug/../qtfb2/ibpp-core/ibpp.h:875: undefined reference to `IBPP::DatabaseFactory(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
                  collect2.exe: error: ld returned 1 exit status
                  Makefile.Debug:69: recipe for target 'debug\qtfb2.exe' failed
                  mingw32-make[1]: *** [debug\qtfb2.exe] Error 1
                  mingw32-make[1]: Leaving directory 'C:/Users/jozol/OneDrive/APP-DEMO/build-qtfb2-Desktop_Qt_5_8_0_MinGW_32bit-Debug'
                  Makefile:34: recipe for target 'debug' failed
                  mingw32-make: *** [debug] Error 2
                  22:05:39: The process "C:\Qt\Tools\mingw530_32\bin\mingw32-make.exe" exited with code 2.
                  Error while building/deploying project qtfb2 (kit: Desktop Qt 5.8.0 MinGW 32bit)
                  When executing step "Make"
                  22:05:39: Elapsed time: 00:03.
                  

                  When I comment this line in .cpp file
                  // db=IBPP::DatabaseFactory(serverName,dbName,userName, password);
                  no error occures...
                  I really don't know what to do...I read on internet that this could be encoding problem, but I'm newb and it is little bit complex for me...
                  Regards.

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                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #12

                    Again: which compiler was used to build your IBPP libraries ? It's really important on Windows since you can't mix and match compilers. Only VS2017 is compatible with VS2015.

                    Interested in AI ? www.idiap.ch
                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                    J 1 Reply Last reply
                    1
                    • SGaistS SGaist

                      Again: which compiler was used to build your IBPP libraries ? It's really important on Windows since you can't mix and match compilers. Only VS2017 is compatible with VS2015.

                      J Offline
                      J Offline
                      jleko
                      wrote on last edited by
                      #13

                      @SGaist
                      Where can I see that?
                      I'm including only ibpp.h file in my project, no ibpp library file.

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                      • SGaistS Offline
                        SGaistS Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on last edited by
                        #14

                        Check the content of your package, README file etc. You can run Dependency Walker.

                        Interested in AI ? www.idiap.ch
                        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                        • T Offline
                          T Offline
                          TioRoy
                          wrote on last edited by
                          #15

                          Checking the ZIP file contentes from https://www.firebirdsql.org/en/firebird-3-0-2/. Firebird is using MS compiler.

                          So, do not use MingW.

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                          • J Offline
                            J Offline
                            jleko
                            wrote on last edited by
                            #16

                            Is there a way around this?
                            Compilig a qibase driver maybe...

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                            0
                            • SGaistS Offline
                              SGaistS Offline
                              SGaist
                              Lifetime Qt Champion
                              wrote on last edited by
                              #17

                              A way around what ?

                              Interested in AI ? www.idiap.ch
                              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                              0
                              • J Offline
                                J Offline
                                jleko
                                wrote on last edited by
                                #18

                                IBPP does not work with firebird3, I tried it with 2.5 and it works Ok.....

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