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  1. 23rd September 2012, 15:10 #1
    Ashkan_s
    Ashkan_s is offline Intermediate user
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    Question Build issue

    I am trying to repeat the example described at http://doc.qt.io/qt-4.8/qsqldatabase.html#addDatabase-2 with sqlite but at the first step I cannot build a test program.

    Building this code:
    Qt Code: 
    1. #include <QtGui/QApplication>
    2.  
    3. #include "../src/sql/drivers/sqlite/qsql_sqlite.cpp"
    4.  
    5. int main(int argc, char *argv[])
    6. {
    7.     QApplication app(argc, argv);
    8.  
    9.     QSQLiteDriver *drv = new QSQLiteDriver();
    10.  
    11.     return app.exec();
    12. }
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    results many lines of errors here is first lines:
    Qt Code: 
    1. In file included from ..\untitled4\main.cpp:3:
    2.  
    3. d:\QT\2010.05\qt\include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:60:21: error: sqlite3.h: No such file or directory
    4.  
    5. In file included from ..\untitled4\main.cpp:3:
    6.  
    7. d:\QT\2010.05\qt\include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:63: error: 'sqlite3_stmt' was not declared in this scope
    8.  
    9. d:\QT\2010.05\qt\include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:63: error: template argument 1 is invalid
    10.  
    11. In file included from ..\untitled4\main.cpp:3:
    12.  
    13. d:\QT\2010.05\qt\include/../src/sql/drivers/sqlite/qsql_sqlite.cpp: In function 'QSqlError qMakeError(sqlite3*, const QString&, QSqlError::ErrorType, int)':
    14.  
    15. d:\QT\2010.05\qt\include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:98: error: 'sqlite3_errmsg16' was not declared in this scope
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    To inform the compiler of the location of sqlite3.h I added this:
    Qt Code: 
    1. INCLUDEPATH += "D:\QT\2010.05\qt\src\3rdparty\sqlite"
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    to the .pro file
    Now it looks like:
    Qt Code: 
    1. QT += sql
    2.  
    3. SOURCES += \
    4.     main.cpp \
    5.  
    6. INCLUDEPATH += "D:\QT\2010.05\qt\src\3rdparty\sqlite"
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    Now it give some "undefined reference" errors and warnings about something "redeclared without dllimport attribute: previous dllimport ignored"

    here is the compile output (shortened to fit):
    Qt Code: 
    1. Running build steps for project untitled4...
    2. Configuration unchanged, skipping qmake step.
    3. Starting: "D:/QT/2010.05/mingw/bin/mingw32-make.exe" -w
    4. mingw32-make: Entering directory `C:/Documents and Settings/2/My Documents/qt-projects/untitled4-build-desktop'
    5.  
    6. d:\qt\2010.05\qt\bin\qmake.exe -spec d:\QT\2010.05\qt\mkspecs\win32-g++ -o Makefile ..\untitled4\untitled4.pro
    7.  
    8. mingw32-make: Leaving directory `C:/Documents and Settings/2/My Documents/qt-projects/untitled4-build-desktop'
    9.  
    10. WARNING: c:\Documents and Settings\2\My Documents\qt-projects\untitled4\untitled4.pro:6: Unescaped backslashes are deprecated.
    11.  
    12. WARNING: c:\Documents and Settings\2\My Documents\qt-projects\untitled4\untitled4.pro:6: Unescaped backslashes are deprecated.
    13.  
    14. WARNING: c:\Documents and Settings\2\My Documents\qt-projects\untitled4\untitled4.pro:6: Unescaped backslashes are deprecated.
    15.  
    16. mingw32-make: Entering directory `C:/Documents and Settings/2/My Documents/qt-projects/untitled4-build-desktop'
    17.  
    18. D:/QT/2010.05/mingw/bin/mingw32-make -f Makefile.Debug
    19.  
    20. mingw32-make[1]: Entering directory `C:/Documents and Settings/2/My Documents/qt-projects/untitled4-build-desktop'
    21.  
    22. g++ -c -g -frtti -fexceptions -mthreads -Wall -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_SQL_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT -DQT_NEEDS_QMAIN -I"d:\QT\2010.05\qt\include\QtCore" -I"d:\QT\2010.05\qt\include\QtGui" -I"d:\QT\2010.05\qt\include\QtSql" -I"d:\QT\2010.05\qt\include" -I"d:\QT\2010.05\qt\src\3rdparty\sqlite" -I"d:\QT\2010.05\qt\include\ActiveQt" -I"debug" -I"..\untitled4" -I"." -I"d:\QT\2010.05\qt\mkspecs\win32-g++" -o debug\main.o ..\untitled4\main.cpp
    23.  
    24. In file included from ..\untitled4\main.cpp:3:
    25.  
    26. d:\QT\2010.05\qt\include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:460: warning: 'QSQLiteDriver::QSQLiteDriver(QObject*)' redeclared without dllimport attribute: previous dllimport ignored
    27.  
    28. .
    29. .
    30. .
    31.  
    32. d:\QT\2010.05\qt\include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:698: warning: 'virtual QVariant QSQLiteDriver::handle() const' redeclared without dllimport attribute: previous dllimport ignored
    33.  
    34. d:\QT\2010.05\qt\include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:703: warning: 'virtual QString QSQLiteDriver::escapeIdentifier(const QString&, QSqlDriver::IdentifierType) const' redeclared without dllimport attribute: previous dllimport ignored
    35.  
    36. ..\untitled4\main.cpp: In function 'int qMain(int, char**)':
    37.  
    38. ..\untitled4\main.cpp:9: warning: unused variable 'drv'
    39.  
    40. g++ -enable-stdcall-fixup -Wl,-enable-auto-import -Wl,-enable-runtime-pseudo-reloc -mthreads -Wl -Wl,-subsystem,windows -o debug\untitled4.exe debug/main.o  -L"d:\QT\2010.05\qt\lib" -lmingw32 -lqtmaind -lQtSqld4 -lQtGuid4 -lQtCored4 
    41.  
    42. mingw32-make[1]: Leaving directory `C:/Documents and Settings/2/My Documents/qt-projects/untitled4-build-desktop'
    43.  
    44. mingw32-make: Leaving directory `C:/Documents and Settings/2/My Documents/qt-projects/untitled4-build-desktop'
    45.  
    46. debug/main.o: In function `qMakeError':
    47.  
    48. d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:99: undefined reference to `sqlite3_errmsg16'
    49.  
    50. debug/main.o:d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:152: undefined reference to `sqlite3_finalize'
    51.  
    52. debug/main.o:d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:158: undefined reference to `sqlite3_column_count'
    53. .
    54. .
    55. .
    56. .
    57. .
    58.  
    59. debug/main.o:d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:439: undefined reference to `sqlite3_last_insert_rowid'
    60.  
    61. debug/main.o: In function `QSQLiteDriver':
    62.  
    63. d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:461: undefined reference to `_imp___ZTV13QSQLiteDriver'
    64.  
    65. d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:461: undefined reference to `_imp___ZTV13QSQLiteDriver'
    66.  
    67. d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:467: undefined reference to `_imp___ZTV13QSQLiteDriver'
    68.  
    69. d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:467: undefined reference to `_imp___ZTV13QSQLiteDriver'
    70.  
    71. debug/main.o: In function `~QSQLiteDriver':
    72.  
    73. d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:476: undefined reference to `_imp___ZTV13QSQLiteDriver'
    74.  
    75. debug/main.o:d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:476: more undefined references to `_imp___ZTV13QSQLiteDriver' follow
    76.  
    77. debug/main.o:d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:531: undefined reference to `sqlite3_enable_shared_cache'
    78.  
    79. debug/main.o:d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:533: undefined reference to `sqlite3_open_v2'
    80.  
    81. debug/main.o:d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:534: undefined reference to `sqlite3_busy_timeout'
    82.  
    83. debug/main.o:d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.cpp:549: undefined reference to `sqlite3_close'
    84.  
    85. debug/main.o:d:/QT/2010.05/qt/include/../src/sql/drivers/sqlite/qsql_sqlite.h:90: undefined reference to `_imp___ZN13QSQLiteDriver16staticMetaObjectE'
    86.  
    87. collect2: ld returned 1 exit status
    88.  
    89. mingw32-make[1]: *** [debug\untitled4.exe] Error 1
    90.  
    91. mingw32-make: *** [debug] Error 2
    92.  
    93. The process "D:/QT/2010.05/mingw/bin/mingw32-make.exe" exited with code %2.
    94. Error while building project untitled4 (target: Desktop)
    95. When executing build step 'Make'
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    Can anyone guide me how to identify and solve the problem?
    Last edited by Ashkan_s; 23rd September 2012 at 15:14.
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