QMYSQL driver not loaded and Library mysql is not defined

[Christian Ehrlicher]

@Markyo said in QMYSQL driver not loaded and Library mysql is not defined:

You solution works, but I have another error:

Wrong directory. And please post the text, no screenshots.

[Markyo]

@Christian-Ehrlicher oh sorry for screen instead of text..
I changed the INCDIR AND LIBDIR as followed:

 C:\Qt\5.12.11\msvc2017\bin\qmake.exe -- MYSQL_INCDIR="C:\Program Files\MySQL\MySQL Connector C 6.1\include" MYSQL_LIBDIR="C:\Program Files\MySQL\MySQL Connector C 6.1\lib"

But I still get the same error:

Cannot read C:/Qt/5.12.11/Src/qtbase/src/plugins/sqldrivers/qtsqldrivers-config.pri: No such file or directory
Project ERROR: Library 'mysql' is not defined.

Did I misunderstood what you called wrong directory?

[Christian Ehrlicher]

@Markyo said in QMYSQL driver not loaded and Library mysql is not defined:

Did I misunderstood what you called wrong directory?

Yes. You have to call it in the sqldrivers directory as shown in the documentation.

[Markyo]

@Christian-Ehrlicher Ok so update!
I'm doing this:

C:\Qt\5.12.11\msvc2017\bin\qmake.exe -- MYSQL_INCDIR="C:\Program Files\MySQL\MySQL Connector C 6.1\include" MYSQL_LIBDIR="C:\Program Files\MySQL\MySQL Connector C 6.1\lib"

get this:

Running configuration tests...
Done running configuration tests.

Configure summary:

Qt Sql Drivers:
  DB2 (IBM) .............................. no
  InterBase .............................. no
  MySql .................................. no
  OCI (Oracle) ........................... no
  ODBC ................................... no
  PostgreSQL ............................. no
  SQLite2 ................................ no
  SQLite ................................. yes
    Using system provided SQLite ......... no
  TDS (Sybase) ........................... no

Qt is now configured for building. Just run 'nmake'.
Once everything is built, you must run 'nmake install'.
Qt will be installed into 'C:\Qt\5.12.11\msvc2017'.

Prior to reconfiguration, make sure you remove any leftovers from
the previous build.

Then, I run nmake:

"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\Hostx64\x86\nmake.exe"

get this:

Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
Copyright (C) Microsoft Corporation. Tous droits réservés.

        cd sqlite\ && ( if not exist Makefile C:\Qt\5.12.11\msvc2017\bin\qmake.exe -o Makefile C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers\sqlite\sqlite.pro ) && "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\Hostx64\x86\nmake.exe" -f Makefile

Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
Copyright (C) Microsoft Corporation. Tous droits réservés.

        "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\Hostx64\x86\nmake.exe" -f Makefile.Release all

Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
Copyright (C) Microsoft Corporation. Tous droits réservés.

        rc /NOLOGO -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DNDEBUG -DSQLITE_ENABLE_COLUMN_METADATA -DSQLITE_OMIT_LOAD_EXTENSION -DSQLITE_OMIT_COMPLETE -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS5 -DSQLITE_ENABLE_RTREE -DQT_DEPRECATED_WARNINGS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_CAST_TO_ASCII -DQT_NO_CAST_FROM_ASCII -DQT_NO_EXCEPTIONS -DQT_NO_DEBUG -DQT_PLUGIN -DQT_SQL_LIB -DQT_CORE_LIB -D_WINDLL -fo .obj\release\qsqlite_resource.res qsqlite_resource.rc
        cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zc:__cplusplus -O2 -Zi -MD -std:c++17 -utf-8 /wd4530 /wd4577 -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 /Fd.obj\release\qsqlite.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DNDEBUG -DSQLITE_ENABLE_COLUMN_METADATA -DSQLITE_OMIT_LOAD_EXTENSION -DSQLITE_OMIT_COMPLETE -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS5 -DSQLITE_ENABLE_RTREE -DQT_DEPRECATED_WARNINGS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_CAST_TO_ASCII -DQT_NO_CAST_FROM_ASCII -DQT_NO_EXCEPTIONS -DQT_NO_DEBUG -DQT_PLUGIN -DQT_SQL_LIB -DQT_CORE_LIB -D_WINDLL -I. -IC:\Qt\5.12.11\Src\qtbase\src\3rdparty\sqlite -IC:\Qt\5.12.11\msvc2017\include\QtSql\5.12.11 -IC:\Qt\5.12.11\msvc2017\include\QtSql\5.12.11\QtSql -IC:\Qt\5.12.11\msvc2017\include\QtCore\5.12.11 -IC:\Qt\5.12.11\msvc2017\include\QtCore\5.12.11\QtCore -IC:\Qt\5.12.11\msvc2017\include -IC:\Qt\5.12.11\msvc2017\include\QtSql -IC:\Qt\5.12.11\msvc2017\include\QtCore -I.moc\release -IC:\opensslx86\include -IC:\Utils\my_sql\mysql-5.6.11-win32\include -IC:\Utils\postgresqlx86\pgsql\include -IC:\Qt\5.12.11\msvc2017\mkspecs\win32-msvc -Fo.obj\release\ @C:\Users\marco\AppData\Local\Temp\nmC4FC.tmp
qsql_sqlite.cpp
smain.cpp
Génération de code en cours...
        cl -c -nologo -Zc:wchar_t -FS -Zc:strictStrings -O2 -Zi -MD -utf-8 -W3 -w44456 -w44457 -w44458 /Fd.obj\release\qsqlite.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DNDEBUG -DSQLITE_ENABLE_COLUMN_METADATA -DSQLITE_OMIT_LOAD_EXTENSION -DSQLITE_OMIT_COMPLETE -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS5 -DSQLITE_ENABLE_RTREE -DQT_DEPRECATED_WARNINGS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_CAST_TO_ASCII -DQT_NO_CAST_FROM_ASCII -DQT_NO_EXCEPTIONS -DQT_NO_DEBUG -DQT_PLUGIN -DQT_SQL_LIB -DQT_CORE_LIB -D_WINDLL -I. -IC:\Qt\5.12.11\Src\qtbase\src\3rdparty\sqlite -IC:\Qt\5.12.11\msvc2017\include\QtSql\5.12.11 -IC:\Qt\5.12.11\msvc2017\include\QtSql\5.12.11\QtSql -IC:\Qt\5.12.11\msvc2017\include\QtCore\5.12.11 -IC:\Qt\5.12.11\msvc2017\include\QtCore\5.12.11\QtCore -IC:\Qt\5.12.11\msvc2017\include -IC:\Qt\5.12.11\msvc2017\include\QtSql -IC:\Qt\5.12.11\msvc2017\include\QtCore -I.moc\release -IC:\opensslx86\include -IC:\Utils\my_sql\mysql-5.6.11-win32\include -IC:\Utils\postgresqlx86\pgsql\include -IC:\Qt\5.12.11\msvc2017\mkspecs\win32-msvc -Fo.obj\release\ @C:\Users\marco\AppData\Local\Temp\nmD2C9.tmp
sqlite3.c
        cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zc:__cplusplus -O2 -Zi -MD -std:c++17 -utf-8 /wd4530 /wd4577 -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 /Fd.obj\release\qsqlite.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DNDEBUG -DSQLITE_ENABLE_COLUMN_METADATA -DSQLITE_OMIT_LOAD_EXTENSION -DSQLITE_OMIT_COMPLETE -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS5 -DSQLITE_ENABLE_RTREE -DQT_DEPRECATED_WARNINGS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_CAST_TO_ASCII -DQT_NO_CAST_FROM_ASCII -DQT_NO_EXCEPTIONS -DQT_NO_DEBUG -DQT_PLUGIN -DQT_SQL_LIB -DQT_CORE_LIB -D_WINDLL -I. -IC:\Qt\5.12.11\Src\qtbase\src\3rdparty\sqlite -IC:\Qt\5.12.11\msvc2017\include\QtSql\5.12.11 -IC:\Qt\5.12.11\msvc2017\include\QtSql\5.12.11\QtSql -IC:\Qt\5.12.11\msvc2017\include\QtCore\5.12.11 -IC:\Qt\5.12.11\msvc2017\include\QtCore\5.12.11\QtCore -IC:\Qt\5.12.11\msvc2017\include -IC:\Qt\5.12.11\msvc2017\include\QtSql -IC:\Qt\5.12.11\msvc2017\include\QtCore -I.moc\release -IC:\opensslx86\include -IC:\Utils\my_sql\mysql-5.6.11-win32\include -IC:\Utils\postgresqlx86\pgsql\include -IC:\Qt\5.12.11\msvc2017\mkspecs\win32-msvc -Fo.obj\release\ @C:\Users\marco\AppData\Local\Temp\nm17B.tmp
moc_qsql_sqlite_p.cpp
        link /NOLOGO /DYNAMICBASE /NXCOMPAT /DEBUG /OPT:REF /INCREMENTAL:NO /DLL /SUBSYSTEM:WINDOWS /VERSION:5.12 /OUT:..\plugins\sqldrivers\qsqlite.dll @C:\Users\marco\AppData\Local\Temp\nm499.tmp
   Création de la bibliothèque ..\plugins\sqldrivers\qsqlite.lib et de l'objet ..\plugins\sqldrivers\qsqlite.exp
        "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\Hostx64\x86\nmake.exe" -f Makefile.Debug all

Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
Copyright (C) Microsoft Corporation. Tous droits réservés.

        cl -BxC:\Qt\5.12.11\msvc2017\bin\qmake.exe -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zc:__cplusplus -Zi -MDd -std:c++17 -utf-8 /wd4530 /wd4577 -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -E C:\Qt\5.12.11\msvc2017\mkspecs\features\data\dummy.cpp 2>NUL >.moc\debug\moc_predefs.h
        C:\Qt\5.12.11\msvc2017\bin\moc.exe -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DSQLITE_ENABLE_COLUMN_METADATA -DSQLITE_OMIT_LOAD_EXTENSION -DSQLITE_OMIT_COMPLETE -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS5 -DSQLITE_ENABLE_RTREE -DQT_DEPRECATED_WARNINGS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_CAST_TO_ASCII -DQT_NO_CAST_FROM_ASCII -DQT_NO_EXCEPTIONS -DQT_PLUGIN -DQT_SQL_LIB -DQT_CORE_LIB -D_WINDLL --compiler-flavor=msvc --include C:/Qt/5.12.11/Src/qtbase/src/plugins/sqldrivers/sqlite/.moc/debug/moc_predefs.h -IC:/Qt/5.12.11/msvc2017/mkspecs/win32-msvc -IC:/Qt/5.12.11/Src/qtbase/src/plugins/sqldrivers/sqlite -IC:/Qt/5.12.11/Src/qtbase/src/3rdparty/sqlite -IC:/Qt/5.12.11/msvc2017/include/QtSql/5.12.11 -IC:/Qt/5.12.11/msvc2017/include/QtSql/5.12.11/QtSql -IC:/Qt/5.12.11/msvc2017/include/QtCore/5.12.11 -IC:/Qt/5.12.11/msvc2017/include/QtCore/5.12.11/QtCore -IC:/Qt/5.12.11/msvc2017/include -IC:/Qt/5.12.11/msvc2017/include/QtSql -IC:/Qt/5.12.11/msvc2017/include/QtCore -I"C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\include" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\ucrt" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\shared" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\um" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\winrt" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\cppwinrt" smain.cpp -o .moc\debug\smain.moc
        C:\Qt\5.12.11\msvc2017\bin\moc.exe -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DSQLITE_ENABLE_COLUMN_METADATA -DSQLITE_OMIT_LOAD_EXTENSION -DSQLITE_OMIT_COMPLETE -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS5 -DSQLITE_ENABLE_RTREE -DQT_DEPRECATED_WARNINGS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_CAST_TO_ASCII -DQT_NO_CAST_FROM_ASCII -DQT_NO_EXCEPTIONS -DQT_PLUGIN -DQT_SQL_LIB -DQT_CORE_LIB -D_WINDLL --compiler-flavor=msvc --include C:/Qt/5.12.11/Src/qtbase/src/plugins/sqldrivers/sqlite/.moc/debug/moc_predefs.h -IC:/Qt/5.12.11/msvc2017/mkspecs/win32-msvc -IC:/Qt/5.12.11/Src/qtbase/src/plugins/sqldrivers/sqlite -IC:/Qt/5.12.11/Src/qtbase/src/3rdparty/sqlite -IC:/Qt/5.12.11/msvc2017/include/QtSql/5.12.11 -IC:/Qt/5.12.11/msvc2017/include/QtSql/5.12.11/QtSql -IC:/Qt/5.12.11/msvc2017/include/QtCore/5.12.11 -IC:/Qt/5.12.11/msvc2017/include/QtCore/5.12.11/QtCore -IC:/Qt/5.12.11/msvc2017/include -IC:/Qt/5.12.11/msvc2017/include/QtSql -IC:/Qt/5.12.11/msvc2017/include/QtCore -I"C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\include" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\ucrt" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\shared" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\um" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\winrt" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\cppwinrt" qsql_sqlite_p.h -o .moc\debug\moc_qsql_sqlite_p.cpp
        rc /NOLOGO -D_DEBUG -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DSQLITE_ENABLE_COLUMN_METADATA -DSQLITE_OMIT_LOAD_EXTENSION -DSQLITE_OMIT_COMPLETE -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS5 -DSQLITE_ENABLE_RTREE -DQT_DEPRECATED_WARNINGS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_CAST_TO_ASCII -DQT_NO_CAST_FROM_ASCII -DQT_NO_EXCEPTIONS -DQT_PLUGIN -DQT_SQL_LIB -DQT_CORE_LIB -D_WINDLL -fo .obj\debug\qsqlited_resource.res qsqlited_resource.rc
        cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zc:__cplusplus -Zi -MDd -std:c++17 -utf-8 /wd4530 /wd4577 -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 /Fd.obj\debug\qsqlited.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DSQLITE_ENABLE_COLUMN_METADATA -DSQLITE_OMIT_LOAD_EXTENSION -DSQLITE_OMIT_COMPLETE -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS5 -DSQLITE_ENABLE_RTREE -DQT_DEPRECATED_WARNINGS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_CAST_TO_ASCII -DQT_NO_CAST_FROM_ASCII -DQT_NO_EXCEPTIONS -DQT_PLUGIN -DQT_SQL_LIB -DQT_CORE_LIB -D_WINDLL -I. -IC:\Qt\5.12.11\Src\qtbase\src\3rdparty\sqlite -IC:\Qt\5.12.11\msvc2017\include\QtSql\5.12.11 -IC:\Qt\5.12.11\msvc2017\include\QtSql\5.12.11\QtSql -IC:\Qt\5.12.11\msvc2017\include\QtCore\5.12.11 -IC:\Qt\5.12.11\msvc2017\include\QtCore\5.12.11\QtCore -IC:\Qt\5.12.11\msvc2017\include -IC:\Qt\5.12.11\msvc2017\include\QtSql -IC:\Qt\5.12.11\msvc2017\include\QtCore -I.moc\debug -IC:\opensslx86\include -IC:\Utils\my_sql\mysql-5.6.11-win32\include -IC:\Utils\postgresqlx86\pgsql\include -IC:\Qt\5.12.11\msvc2017\mkspecs\win32-msvc -Fo.obj\debug\ @C:\Users\marco\AppData\Local\Temp\nmFC1.tmp
qsql_sqlite.cpp
smain.cpp
Génération de code en cours...
        cl -c -nologo -Zc:wchar_t -FS -Zc:strictStrings -Zi -MDd -utf-8 -W3 -w44456 -w44457 -w44458 /Fd.obj\debug\qsqlited.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DSQLITE_ENABLE_COLUMN_METADATA -DSQLITE_OMIT_LOAD_EXTENSION -DSQLITE_OMIT_COMPLETE -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS5 -DSQLITE_ENABLE_RTREE -DQT_DEPRECATED_WARNINGS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_CAST_TO_ASCII -DQT_NO_CAST_FROM_ASCII -DQT_NO_EXCEPTIONS -DQT_PLUGIN -DQT_SQL_LIB -DQT_CORE_LIB -D_WINDLL -I. -IC:\Qt\5.12.11\Src\qtbase\src\3rdparty\sqlite -IC:\Qt\5.12.11\msvc2017\include\QtSql\5.12.11 -IC:\Qt\5.12.11\msvc2017\include\QtSql\5.12.11\QtSql -IC:\Qt\5.12.11\msvc2017\include\QtCore\5.12.11 -IC:\Qt\5.12.11\msvc2017\include\QtCore\5.12.11\QtCore -IC:\Qt\5.12.11\msvc2017\include -IC:\Qt\5.12.11\msvc2017\include\QtSql -IC:\Qt\5.12.11\msvc2017\include\QtCore -I.moc\debug -IC:\opensslx86\include -IC:\Utils\my_sql\mysql-5.6.11-win32\include -IC:\Utils\postgresqlx86\pgsql\include -IC:\Qt\5.12.11\msvc2017\mkspecs\win32-msvc -Fo.obj\debug\ @C:\Users\marco\AppData\Local\Temp\nm1938.tmp
sqlite3.c
        cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zc:__cplusplus -Zi -MDd -std:c++17 -utf-8 /wd4530 /wd4577 -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 /Fd.obj\debug\qsqlited.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DSQLITE_ENABLE_COLUMN_METADATA -DSQLITE_OMIT_LOAD_EXTENSION -DSQLITE_OMIT_COMPLETE -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_FTS5 -DSQLITE_ENABLE_RTREE -DQT_DEPRECATED_WARNINGS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_CAST_TO_ASCII -DQT_NO_CAST_FROM_ASCII -DQT_NO_EXCEPTIONS -DQT_PLUGIN -DQT_SQL_LIB -DQT_CORE_LIB -D_WINDLL -I. -IC:\Qt\5.12.11\Src\qtbase\src\3rdparty\sqlite -IC:\Qt\5.12.11\msvc2017\include\QtSql\5.12.11 -IC:\Qt\5.12.11\msvc2017\include\QtSql\5.12.11\QtSql -IC:\Qt\5.12.11\msvc2017\include\QtCore\5.12.11 -IC:\Qt\5.12.11\msvc2017\include\QtCore\5.12.11\QtCore -IC:\Qt\5.12.11\msvc2017\include -IC:\Qt\5.12.11\msvc2017\include\QtSql -IC:\Qt\5.12.11\msvc2017\include\QtCore -I.moc\debug -IC:\opensslx86\include -IC:\Utils\my_sql\mysql-5.6.11-win32\include -IC:\Utils\postgresqlx86\pgsql\include -IC:\Qt\5.12.11\msvc2017\mkspecs\win32-msvc -Fo.obj\debug\ @C:\Users\marco\AppData\Local\Temp\nm1E98.tmp
moc_qsql_sqlite_p.cpp
        link /NOLOGO /DYNAMICBASE /NXCOMPAT /DEBUG /DLL /SUBSYSTEM:WINDOWS /VERSION:5.12 /OUT:..\plugins\sqldrivers\qsqlited.dll @C:\Users\marco\AppData\Local\Temp\nm21E5.tmp
   Création de la bibliothèque ..\plugins\sqldrivers\qsqlited.lib et de l'objet ..\plugins\sqldrivers\qsqlited.exp

run the install command:

C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers>"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\Hostx64\x86\nmake.exe" install

get this output:

Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
Copyright (C) Microsoft Corporation. Tous droits réservés.

        cd sqlite\ && ( if not exist Makefile C:\Qt\5.12.11\msvc2017\bin\qmake.exe -o Makefile C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers\sqlite\sqlite.pro ) && "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\Hostx64\x86\nmake.exe" -f Makefile install

Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
Copyright (C) Microsoft Corporation. Tous droits réservés.

        "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\Hostx64\x86\nmake.exe" -f Makefile.Release install

Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
Copyright (C) Microsoft Corporation. Tous droits réservés.

        copy /y ..\plugins\sqldrivers\qsqlite.dll C:\Qt\5.12.11\msvc2017\plugins\sqldrivers\qsqlite.dll
        1 fichier(s) copié(s).
        copy /y ..\plugins\sqldrivers\qsqlite.pdb C:\Qt\5.12.11\msvc2017\plugins\sqldrivers\qsqlite.pdb
        1 fichier(s) copié(s).
        C:\Qt\5.12.11\msvc2017\bin\qmake.exe -install qinstall C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers\lib\cmake\Qt5Sql\Qt5Sql_QSQLiteDriverPlugin.cmake C:\Qt\5.12.11\msvc2017\lib\cmake\Qt5Sql\Qt5Sql_QSQLiteDriverPlugin.cmake
        "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\Hostx64\x86\nmake.exe" -f Makefile.Debug install

Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
Copyright (C) Microsoft Corporation. Tous droits réservés.

        copy /y ..\plugins\sqldrivers\qsqlited.dll C:\Qt\5.12.11\msvc2017\plugins\sqldrivers\qsqlited.dll
        1 fichier(s) copié(s).
        copy /y ..\plugins\sqldrivers\qsqlited.pdb C:\Qt\5.12.11\msvc2017\plugins\sqldrivers\qsqlited.pdb
        1 fichier(s) copié(s).
        C:\Qt\5.12.11\msvc2017\bin\qmake.exe -install qinstall C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers\lib\cmake\Qt5Sql\Qt5Sql_QSQLiteDriverPlugin.cmake C:\Qt\5.12.11\msvc2017\lib\cmake\Qt5Sql\Qt5Sql_QSQLiteDriverPlugin.cmake

I checked the config.log, as said in the doc, and lines talking about mysql are:

looking for library mysql
Trying source 0 (type mysqlConfig) of library mysql ...
mysql_config not found.
  => source produced no result.
Trying source 1 (type mysqlConfig) of library mysql ...
mysql_config not found.
  => source produced no result.
Trying source 2 (type mysqlConfig) of library mysql ...
mysql_config not found.
  => source produced no result.
Trying source 3 (type mysqlConfig) of library mysql ...
mysql_config not found.
  => source produced no result.
Trying source 4 (type inline) of library mysql ...
  => source failed condition '!config.win32'.
Trying source 5 (type inline) of library mysql ...
+ cd /d C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers\config.tests\mysql && C:\Qt\5.12.11\msvc2017\bin\qmake.exe "CONFIG -= qt debug_and_release app_bundle lib_bundle" "CONFIG += shared warn_off console single_arch" "QMAKE_LIBDIR += C:\\opensslx86\\lib C:\\Utils\\my_sql\\mysql-5.6.11-win32\\lib C:\\Utils\\postgresqlx86\\pgsql\\lib" "INCLUDEPATH += C:\\opensslx86\\include C:\\Utils\\my_sql\\mysql-5.6.11-win32\\include C:\\Utils\\postgresqlx86\\pgsql\\include" "QMAKE_USE += mysql" "QMAKE_LIBS_MYSQL = \"C:\\Program Files\\MySQL\\MySQL Connector C 6.1\\lib/libmysql.lib\"" "QMAKE_INCDIR_MYSQL = \"C:\\Program Files\\MySQL\\MySQL Connector C 6.1\\include\"" C:/Qt/5.12.11/Src/qtbase/src/plugins/sqldrivers/config.tests/mysql
> Info: creating stash file C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers\config.tests\.qmake.stash
+ cd /d C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers\config.tests\mysql && set MAKEFLAGS=& nmake
> Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
> Copyright (C) Microsoft Corporation. Tous droits réservés.
> 	cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zc:__cplusplus -O2 -MD -W0 -EHsc -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DNDEBUG -I. -IC:\opensslx86\include -IC:\Utils\my_sql\mysql-5.6.11-win32\include -IC:\Utils\postgresqlx86\pgsql\include -I"C:\Program Files\MySQL\MySQL Connector C 6.1\include" -IC:\Qt\5.12.11\msvc2017\mkspecs\win32-msvc -Fo @C:\Users\marco\AppData\Local\Temp\nmAFE1.tmp
> main.cpp
> 	link /NOLOGO /DYNAMICBASE /NXCOMPAT /INCREMENTAL:NO /SUBSYSTEM:CONSOLE "/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='*' processorArchitecture='*'" /MANIFEST:embed /OUT:mysql.exe @C:\Users\marco\AppData\Local\Temp\nmB1C6.tmp
> main.obj : error LNK2019: symbole externe non r‚solu _mysql_get_client_version@0 r‚f‚renc‚ dans la fonction _main
> C:\Program Files\MySQL\MySQL Connector C 6.1\lib\libmysql.lib : warning LNK4272: type d'ordinateur bibliothŠque 'x64' en conflit avec le type d'ordinateur cible 'x86'
> mysql.exe : fatal error LNK1120: 1 externes non r‚solus
> NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\HostX86\x86\link.EXE"' : code retour '0x460'
> Stop.
 => source failed verification.
Trying source 6 (type inline) of library mysql ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.mysql FAILED

I tried to delete config.cache as said in doc, but same results..

And of course, while trying to run my app:

QML debugging is enabled. Only use this in a safe environment.
QSqlDatabase: QMYSQL driver not loaded
QSqlDatabase: available drivers: QSQLITE QODBC QODBC3 QPSQL QPSQL7

Honnestly I'm kinda lost in technical informations..

[jsulm]

@Markyo said in QMYSQL driver not loaded and Library mysql is not defined:

MySql .................................. no

As you can see MySql was disabled.
Check the config.log file to see why.

[Markyo]

@jsulm I thought it was the already installed ones.
I've put the part about mysql from the config.log in my previous message, but I will link the whole file bellow.

Command line: "MYSQL_INCDIR=C:\Program Files\MySQL\MySQL Connector C 6.1\include" "MYSQL_LIBDIR=C:\Program Files\MySQL\MySQL Connector C 6.1\lib"
Global lib dirs: [C:\\opensslx86\\lib C:\\Utils\\my_sql\\mysql-5.6.11-win32\\lib C:\\Utils\\postgresqlx86\\pgsql\\lib] ["C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\BuildTools\\VC\\Tools\\MSVC\\14.16.27023\\lib\\x64" "C:\\Program Files (x86)\\Windows Kits\\10\\lib\\10.0.18362.0\\ucrt\\x64" "C:\\Program Files (x86)\\Windows Kits\\10\\lib\\10.0.18362.0\\um\\x64"]
Global inc dirs: [C:\\opensslx86\\include C:\\Utils\\my_sql\\mysql-5.6.11-win32\\include C:\\Utils\\postgresqlx86\\pgsql\\include] ["C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\BuildTools\\VC\\Tools\\MSVC\\14.16.27023\\include" "C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.18362.0\\ucrt" "C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.18362.0\\shared" "C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.18362.0\\um" "C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.18362.0\\winrt" "C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.18362.0\\cppwinrt"]
looking for library db2
Trying source 0 (type inline) of library db2 ...
None of [db2cli.lib] found in [] and global paths.
  => source produced no result.
Trying source 1 (type inline) of library db2 ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.db2 FAILED
looking for library ibase
Trying source 0 (type inline) of library ibase ...
None of [gds32_ms.lib] found in [] and global paths.
  => source produced no result.
Trying source 1 (type inline) of library ibase ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.ibase FAILED
looking for library mysql
Trying source 0 (type mysqlConfig) of library mysql ...
mysql_config not found.
  => source produced no result.
Trying source 1 (type mysqlConfig) of library mysql ...
mysql_config not found.
  => source produced no result.
Trying source 2 (type mysqlConfig) of library mysql ...
mysql_config not found.
  => source produced no result.
Trying source 3 (type mysqlConfig) of library mysql ...
mysql_config not found.
  => source produced no result.
Trying source 4 (type inline) of library mysql ...
  => source failed condition '!config.win32'.
Trying source 5 (type inline) of library mysql ...
+ cd /d C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers\config.tests\mysql && C:\Qt\5.12.11\msvc2017\bin\qmake.exe "CONFIG -= qt debug_and_release app_bundle lib_bundle" "CONFIG += shared warn_off console single_arch" "QMAKE_LIBDIR += C:\\opensslx86\\lib C:\\Utils\\my_sql\\mysql-5.6.11-win32\\lib C:\\Utils\\postgresqlx86\\pgsql\\lib" "INCLUDEPATH += C:\\opensslx86\\include C:\\Utils\\my_sql\\mysql-5.6.11-win32\\include C:\\Utils\\postgresqlx86\\pgsql\\include" "QMAKE_USE += mysql" "QMAKE_LIBS_MYSQL = \"C:\\Program Files\\MySQL\\MySQL Connector C 6.1\\lib/libmysql.lib\"" "QMAKE_INCDIR_MYSQL = \"C:\\Program Files\\MySQL\\MySQL Connector C 6.1\\include\"" C:/Qt/5.12.11/Src/qtbase/src/plugins/sqldrivers/config.tests/mysql
> Info: creating stash file C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers\config.tests\.qmake.stash
+ cd /d C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers\config.tests\mysql && set MAKEFLAGS=& nmake
> Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
> Copyright (C) Microsoft Corporation. Tous droits réservés.
> 	cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zc:__cplusplus -O2 -MD -W0 -EHsc -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DNDEBUG -I. -IC:\opensslx86\include -IC:\Utils\my_sql\mysql-5.6.11-win32\include -IC:\Utils\postgresqlx86\pgsql\include -I"C:\Program Files\MySQL\MySQL Connector C 6.1\include" -IC:\Qt\5.12.11\msvc2017\mkspecs\win32-msvc -Fo @C:\Users\marco\AppData\Local\Temp\nmAFE1.tmp
> main.cpp
> 	link /NOLOGO /DYNAMICBASE /NXCOMPAT /INCREMENTAL:NO /SUBSYSTEM:CONSOLE "/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='*' processorArchitecture='*'" /MANIFEST:embed /OUT:mysql.exe @C:\Users\marco\AppData\Local\Temp\nmB1C6.tmp
> main.obj : error LNK2019: symbole externe non r‚solu _mysql_get_client_version@0 r‚f‚renc‚ dans la fonction _main
> C:\Program Files\MySQL\MySQL Connector C 6.1\lib\libmysql.lib : warning LNK4272: type d'ordinateur bibliothŠque 'x64' en conflit avec le type d'ordinateur cible 'x86'
> mysql.exe : fatal error LNK1120: 1 externes non r‚solus
> NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\HostX86\x86\link.EXE"' : code retour '0x460'
> Stop.
 => source failed verification.
Trying source 6 (type inline) of library mysql ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.mysql FAILED
looking for library oci
Trying source 0 (type inline) of library oci ...
None of [oci.lib] found in [] and global paths.
  => source produced no result.
Trying source 1 (type inline) of library oci ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.oci FAILED
looking for library odbc
Trying source 0 (type inline) of library odbc ...
+ cd /d C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers\config.tests\odbc && C:\Qt\5.12.11\msvc2017\bin\qmake.exe "CONFIG -= qt debug_and_release app_bundle lib_bundle" "CONFIG += shared warn_off console single_arch" "QMAKE_LIBDIR += C:\\opensslx86\\lib C:\\Utils\\my_sql\\mysql-5.6.11-win32\\lib C:\\Utils\\postgresqlx86\\pgsql\\lib" "INCLUDEPATH += C:\\opensslx86\\include C:\\Utils\\my_sql\\mysql-5.6.11-win32\\include C:\\Utils\\postgresqlx86\\pgsql\\include" "QMAKE_USE += odbc" "QMAKE_LIBS_ODBC = \"C:\\Program Files ^(x86^)\\Windows Kits\\10\\lib\\10.0.18362.0\\um\\x64/odbc32.lib\"" C:/Qt/5.12.11/Src/qtbase/src/plugins/sqldrivers/config.tests/odbc
+ cd /d C:\Qt\5.12.11\Src\qtbase\src\plugins\sqldrivers\config.tests\odbc && set MAKEFLAGS=& nmake
> Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
> Copyright (C) Microsoft Corporation. Tous droits réservés.
> 	cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zc:__cplusplus -O2 -MD -W0 -EHsc -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DNDEBUG -I. -IC:\opensslx86\include -IC:\Utils\my_sql\mysql-5.6.11-win32\include -IC:\Utils\postgresqlx86\pgsql\include -IC:\Qt\5.12.11\msvc2017\mkspecs\win32-msvc -Fo @C:\Users\marco\AppData\Local\Temp\nmB33C.tmp
> main.cpp
> 	link /NOLOGO /DYNAMICBASE /NXCOMPAT /INCREMENTAL:NO /SUBSYSTEM:CONSOLE "/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='*' processorArchitecture='*'" /MANIFEST:embed /OUT:odbc.exe @C:\Users\marco\AppData\Local\Temp\nmB502.tmp
> main.obj : error LNK2019: symbole externe non r‚solu _SQLAllocHandle@12 r‚f‚renc‚ dans la fonction _main
> C:\Program Files (x86)\Windows Kits\10\lib\10.0.18362.0\um\x64\odbc32.lib : warning LNK4272: type d'ordinateur bibliothŠque 'x64' en conflit avec le type d'ordinateur cible 'x86'
> odbc.exe : fatal error LNK1120: 1 externes non r‚solus
> NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\HostX86\x86\link.EXE"' : code retour '0x460'
> Stop.
 => source failed verification.
Trying source 1 (type inline) of library odbc ...
  => source failed condition 'config.darwin'.
Trying source 2 (type inline) of library odbc ...
  => source failed condition '!config.win32 && !config.darwin'.
test config.sqldrivers.libraries.odbc FAILED
looking for library psql
Trying source 0 (type pkgConfig) of library psql ...
pkg-config use disabled globally.
  => source produced no result.
Trying source 1 (type psqlConfig) of library psql ...
pg_config not found.
  => source produced no result.
Trying source 2 (type psqlEnv) of library psql ...
None of [libpq.lib] found in [] and global paths.
  => source produced no result.
Trying source 3 (type psqlEnv) of library psql ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.psql FAILED
looking for library sqlite2
Trying source 0 (type inline) of library sqlite2 ...
None of [sqlite.lib] found in [] and global paths.
  => source produced no result.
test config.sqldrivers.libraries.sqlite2 FAILED
looking for library tds
Trying source 0 (type sybaseEnv) of library tds ...
None of [NTWDBLIB.lib] found in [] and global paths.
  => source produced no result.
Trying source 1 (type sybaseEnv) of library tds ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.tds FAILED

I don't really understand all of this.

[jsulm]

@Markyo said in QMYSQL driver not loaded and Library mysql is not defined:

C:\Program Files\MySQL\MySQL Connector C 6.1\lib\libmysql.lib : warning LNK4272: type d'ordinateur bibliothŠque 'x64' en conflit avec le type d'ordinateur cible 'x86'

This is the problem: your Qt and MySql lib are for different architectures.

[Markyo]

@jsulm x64 vs x86?
Is there a way to solve this? Installing both in the same architectures? Wich one should I choose?

[jsulm]

@Markyo said in QMYSQL driver not loaded and Library mysql is not defined:

Wich one should I choose?

The one you need.
It looks like you installed Qt x86, right? Install Qt x86_64 and use that one.

[Markyo]

@jsulm to install this version, should I use the qt-unified-windows-x86-4.1.1-online.exe? and untick all x86 components in custom installation?
Or is there an x86_64 installer?

[jsulm]

@Markyo Since you already installed x86 Qt simply start the Qt Maintenance Tool and deselct the x86 version and select x86_64 one.

[Markyo]

@jsulm While waiting to be able to repost, I uninstalled my qt..
So right now, I'm on this page:

As you can see, I've unticked the x86 in version I want, is it ok? Plus, is there some things to tick?

[jsulm]

@Markyo Why did you install everything?! Do you really need all these Qt versions?
What compiler do you want to use? Select only Qt for the compiler you want to use...
Also, you did not unticked the MSVC and MINGW x86 versions.

[Markyo]

@jsulm I don't know, I thought I had to to install the correct version.
What do you mean about MSVC and MINGW x86? isn't there only 32 and 64?
And for the compiler, honestly I don't know, I think it is the visual studio one, but not sure.

[jsulm]

@Markyo said in QMYSQL driver not loaded and Library mysql is not defined:

isn't there only 32 and 64?

x86 IS 32bit and x86_64 is 64bit.
Please check what Visual Studio you have and install 64bit Qt version for that Visual Studio version.

[Markyo]

@jsulm Oh ok I understand!
My visual studio is 2019 version 16.6.2, but if I'm reading well, the highest available here is 2017, should I upgrade Qt to 5.15?

[jsulm]

@Markyo Visual Studio 2019 C++ compiler is compatible with the one in Visual Studio 2017.
So, you can install Qt for MSVC2017 64bit.

[Markyo]

@jsulm ok thanks for precisions, so I unticked all except MSVC 2017 64-bit

[Markyo]

@jsulm Ok new Qt has been installed, I ran again the command:

C:\Qt\5.12.5\msvc2017_64\bin\qmake.exe -- MYSQL_INCDIR="C:\Program Files\MySQL\MySQL Connector C 6.1\include" MYSQL_LIBDIR="C:\Program Files\MySQL\MySQL Connector C 6.1\lib"

And this time, another one turn to yes, but not MySQL:

Info: creating stash file C:\Qt\5.12.5\Src\qtbase\src\plugins\sqldrivers\.qmake.stash

Running configuration tests...
Checking for DB2 (IBM)... no
Checking for InterBase... no
Checking for MySQL... no
Checking for OCI (Oracle)... no
Checking for ODBC... yes
Checking for PostgreSQL... no
Checking for SQLite (version 2)... no
Checking for TDS (Sybase)... no
Done running configuration tests.

Configure summary:

Qt Sql Drivers:
  DB2 (IBM) .............................. no
  InterBase .............................. no
  MySql .................................. no
  OCI (Oracle) ........................... no
  ODBC ................................... yes
  PostgreSQL ............................. no
  SQLite2 ................................ no
  SQLite ................................. yes
    Using system provided SQLite ......... no
  TDS (Sybase) ........................... no

Qt is now configured for building. Just run 'nmake'.
Once everything is built, you must run 'nmake install'.
Qt will be installed into 'C:\Qt\5.12.5\msvc2017_64'.

Prior to reconfiguration, make sure you remove any leftovers from
the previous build.

And there is the config.log file:

Command line: "MYSQL_INCDIR=C:\Program Files\MySQL\MySQL Connector C 6.1\include" "MYSQL_LIBDIR=C:\Program Files\MySQL\MySQL Connector C 6.1\lib"
Global lib dirs: [C:\\openssl\\lib C:\\Utils\\my_sql\\mysql-5.6.11-winx64\\lib C:\\Utils\\postgresql\\pgsql\\lib] ["C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Community\\VC\\Tools\\MSVC\\14.26.28801\\ATLMFC\\lib\\x86" "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Community\\VC\\Tools\\MSVC\\14.26.28801\\lib\\x86" "C:\\Program Files (x86)\\Windows Kits\\10\\lib\\10.0.18362.0\\ucrt\\x86" "C:\\Program Files (x86)\\Windows Kits\\10\\lib\\10.0.18362.0\\um\\x86"]
Global inc dirs: [C:\\openssl\\include C:\\Utils\\my_sql\\mysql-5.6.11-winx64\\include C:\\Utils\\postgresql\\pgsql\\include] ["C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Community\\VC\\Tools\\MSVC\\14.26.28801\\ATLMFC\\include" "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Community\\VC\\Tools\\MSVC\\14.26.28801\\include" "C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.18362.0\\ucrt" "C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.18362.0\\shared" "C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.18362.0\\um" "C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.18362.0\\winrt" "C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.18362.0\\cppwinrt"]
looking for library db2
Trying source 0 (type inline) of library db2 ...
None of [db2cli.lib] found in [] and global paths.
  => source produced no result.
Trying source 1 (type inline) of library db2 ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.db2 FAILED
looking for library ibase
Trying source 0 (type inline) of library ibase ...
None of [gds32_ms.lib] found in [] and global paths.
  => source produced no result.
Trying source 1 (type inline) of library ibase ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.ibase FAILED
looking for library mysql
Trying source 0 (type mysqlConfig) of library mysql ...
mysql_config not found.
  => source produced no result.
Trying source 1 (type mysqlConfig) of library mysql ...
mysql_config not found.
  => source produced no result.
Trying source 2 (type mysqlConfig) of library mysql ...
mysql_config not found.
  => source produced no result.
Trying source 3 (type mysqlConfig) of library mysql ...
mysql_config not found.
  => source produced no result.
Trying source 4 (type inline) of library mysql ...
  => source failed condition '!config.win32'.
Trying source 5 (type inline) of library mysql ...
+ cd /d C:\Qt\5.12.5\Src\qtbase\src\plugins\sqldrivers\config.tests\mysql && C:\Qt\5.12.5\msvc2017_64\bin\qmake.exe "CONFIG -= qt debug_and_release app_bundle lib_bundle" "CONFIG += shared warn_off console single_arch" "QMAKE_LIBDIR += C:\\openssl\\lib C:\\Utils\\my_sql\\mysql-5.6.11-winx64\\lib C:\\Utils\\postgresql\\pgsql\\lib" "INCLUDEPATH += C:\\openssl\\include C:\\Utils\\my_sql\\mysql-5.6.11-winx64\\include C:\\Utils\\postgresql\\pgsql\\include" "QMAKE_USE += mysql" "QMAKE_LIBS_MYSQL = \"C:\\Program Files\\MySQL\\MySQL Connector C 6.1\\lib/libmysql.lib\"" "QMAKE_INCDIR_MYSQL = \"C:\\Program Files\\MySQL\\MySQL Connector C 6.1\\include\"" C:/Qt/5.12.5/Src/qtbase/src/plugins/sqldrivers/config.tests/mysql
> Info: creating stash file C:\Qt\5.12.5\Src\qtbase\src\plugins\sqldrivers\config.tests\.qmake.stash
+ cd /d C:\Qt\5.12.5\Src\qtbase\src\plugins\sqldrivers\config.tests\mysql && set MAKEFLAGS=& nmake
> Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
> Copyright (C) Microsoft Corporation. Tous droits réservés.
> 	cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zc:__cplusplus -O2 -MD -W0 -EHsc -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DNDEBUG -I. -IC:\openssl\include -IC:\Utils\my_sql\mysql-5.6.11-winx64\include -IC:\Utils\postgresql\pgsql\include -I"C:\Program Files\MySQL\MySQL Connector C 6.1\include" -IC:\Qt\5.12.5\msvc2017_64\mkspecs\win32-msvc -Fo @C:\Users\marco\AppData\Local\Temp\nmB781.tmp
> main.cpp
> 	link /NOLOGO /DYNAMICBASE /NXCOMPAT /INCREMENTAL:NO /SUBSYSTEM:CONSOLE "/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='*' processorArchitecture='*'" /MANIFEST:embed /OUT:mysql.exe @C:\Users\marco\AppData\Local\Temp\nmBA02.tmp
> main.obj : error LNK2019: symbole externe non r‚solu _mysql_get_client_version@0 r‚f‚renc‚ dans la fonction _main
> C:\Program Files\MySQL\MySQL Connector C 6.1\lib\libmysql.lib : warning LNK4272: type d'ordinateur bibliothŠque 'x64' en conflit avec le type d'ordinateur cible 'x86'
> mysql.exe : fatal error LNK1120: 1 externes non r‚solus
> NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.26.28801\bin\HostX86\x86\link.EXE"' : code retour '0x460'
> Stop.
 => source failed verification.
Trying source 6 (type inline) of library mysql ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.mysql FAILED
looking for library oci
Trying source 0 (type inline) of library oci ...
None of [oci.lib] found in [] and global paths.
  => source produced no result.
Trying source 1 (type inline) of library oci ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.oci FAILED
looking for library odbc
Trying source 0 (type inline) of library odbc ...
+ cd /d C:\Qt\5.12.5\Src\qtbase\src\plugins\sqldrivers\config.tests\odbc && C:\Qt\5.12.5\msvc2017_64\bin\qmake.exe "CONFIG -= qt debug_and_release app_bundle lib_bundle" "CONFIG += shared warn_off console single_arch" "QMAKE_LIBDIR += C:\\openssl\\lib C:\\Utils\\my_sql\\mysql-5.6.11-winx64\\lib C:\\Utils\\postgresql\\pgsql\\lib" "INCLUDEPATH += C:\\openssl\\include C:\\Utils\\my_sql\\mysql-5.6.11-winx64\\include C:\\Utils\\postgresql\\pgsql\\include" "QMAKE_USE += odbc" "QMAKE_LIBS_ODBC = \"C:\\Program Files ^(x86^)\\Windows Kits\\10\\lib\\10.0.18362.0\\um\\x86/odbc32.lib\"" C:/Qt/5.12.5/Src/qtbase/src/plugins/sqldrivers/config.tests/odbc
+ cd /d C:\Qt\5.12.5\Src\qtbase\src\plugins\sqldrivers\config.tests\odbc && set MAKEFLAGS=& nmake
> Microsoft (R) Program Maintenance Utility Version 14.26.28806.0
> Copyright (C) Microsoft Corporation. Tous droits réservés.
> 	cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -Zc:referenceBinding -Zc:__cplusplus -O2 -MD -W0 -EHsc -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DNDEBUG -I. -IC:\openssl\include -IC:\Utils\my_sql\mysql-5.6.11-winx64\include -IC:\Utils\postgresql\pgsql\include -IC:\Qt\5.12.5\msvc2017_64\mkspecs\win32-msvc -Fo @C:\Users\marco\AppData\Local\Temp\nmBB78.tmp
> main.cpp
> 	link /NOLOGO /DYNAMICBASE /NXCOMPAT /INCREMENTAL:NO /SUBSYSTEM:CONSOLE "/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='*' processorArchitecture='*'" /MANIFEST:embed /OUT:odbc.exe @C:\Users\marco\AppData\Local\Temp\nmBD4E.tmp
 => source accepted.
test config.sqldrivers.libraries.odbc succeeded
looking for library psql
Trying source 0 (type pkgConfig) of library psql ...
pkg-config use disabled globally.
  => source produced no result.
Trying source 1 (type psqlConfig) of library psql ...
pg_config not found.
  => source produced no result.
Trying source 2 (type psqlEnv) of library psql ...
None of [libpq.lib] found in [] and global paths.
  => source produced no result.
Trying source 3 (type psqlEnv) of library psql ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.psql FAILED
looking for library sqlite2
Trying source 0 (type inline) of library sqlite2 ...
None of [sqlite.lib] found in [] and global paths.
  => source produced no result.
test config.sqldrivers.libraries.sqlite2 FAILED
looking for library tds
Trying source 0 (type sybaseEnv) of library tds ...
None of [NTWDBLIB.lib] found in [] and global paths.
  => source produced no result.
Trying source 1 (type sybaseEnv) of library tds ...
  => source failed condition '!config.win32'.
test config.sqldrivers.libraries.tds FAILED

[jsulm]

@Markyo Make sure you start from clean state without any build artefacts from previous tries. In case you're doing out-of-source builds delete and create the build folder. Else checkout the source code again.