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MAKE Version 5.2  Copyright (c) 1987, 2000 Borland
Fatal: 'FORCE' does not exist - don't know how to make it

F:/mingw/bin/mingw32-make -f Makefile.Debug all
mingw32-make[1]: Entering directory `C:/Qt/2009.01/qt/src/plugins/sqldrivers/mys
ql'
g++ -c -g -frtti -fexceptions -mthreads -Wall -DUNICODE -DQT_LARGEFILE_SUPPORT -
DQT_NO_CAST_TO_ASCII -DQT_NO_CAST_FROM_ASCII -DQT_DLL -DQT_PLUGIN -DQT_SQL_LIB -
DQT_CORE_LIB -DQT_THREAD_SUPPORT -I"..\..\..\..\include\QtCore" -I"..\..\..\..\i
nclude\QtSql" -I"..\..\..\..\include" -I"f:\MySQL\include" -I"..\..\..\..\includ
e\ActiveQt" -I"tmp\moc\debug_shared" -I"." -I"..\..\..\..\mkspecs\win32-g++" -o
tmp\obj\debug_shared\main.o main.cpp
"g++" не является внутренней или внешней
командой, исполняемой программой или пакетным файлом.
mingw32-make[1]: *** [tmp/obj/debug_shared/main.o] Error 1
mingw32-make[1]: Leaving directory `C:/Qt/2009.01/qt/src/plugins/sqldrivers/mysq
l'
mingw32-make: *** [debug-all] Error 2

Q_IMPORT_PLUGIN( qsqlmysql )

win32{
  LIBS += -lmysql
}
unix{
  INCLUDEPATH += /usr/include/mysql
  LIBS        += -lmysqlclient
}

HEADERS += mysql_plugin.h
SOURCES += mysql_plugin.cpp

#include <QtGui>
#include <qsqldatabase.h>
Q_IMPORT_PLUGIN(qsqlmysql);
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QSqlDatabase *db = new QSqlDatabase::addDatabase("QMQSQL");
    db->setHostName("localhost");
    db->setDatabaseName("minilib");
    db->setUserName("root");
    db->setPassword("");
    if(!db->open()) return false;
    return a.exec();
}

QT += sql
TARGET = minilib
TEMPLATE = app
SOURCES += main.cpp \
    dialog.cpp \
    function.cpp \
    mysql_plugin.cpp
HEADERS += dialog.h \
    mysql_plugin.h
FORMS += dialog.ui
LIBS += -lmysql

#include <QtSql>

#include <QtGui>
#include <qsqldatabase.h>
Q_IMPORT_PLUGIN(qsqlmysql);
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QSqlDatabase db = QSqlDatabase::addDatabase("QMQSQL");
    db.setHostName("localhost");
    db.setDatabaseName("minilib");
    db.setUserName("root");
    db.setPassword("");
    if(!db.open()) return false;
    return a.exec();
}

mysql_plugin.h:61: mysql.h: No such file or directory

   ...
 QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
    db.setDatabaseName(":memory:");
    if (!db.open()) {
   ...

C:\Qt\Desktop\Qt\4.7.3\mingw\plugins\sqldrivers\mysql>mingw32-make
mingw32-make -f Makefile.Debug
mingw32-make[1]: Entering directory `C:/Qt/Desktop/Qt/4.7.3/mingw/plugins/sqldri
vers/mysql'
g++ -enable-stdcall-fixup -Wl,-enable-auto-import -Wl,-enable-runtime-pseudo-rel
oc -mthreads -Wl -Wl,-subsystem,windows -o debug\mysql.exe   -L"c:\Qt\Desktop\Qt
\4.7.3\mingw\lib" -lmingw32 -lqtmaind C:\MySQL\lib\opt\libmysql.lib -lQtGuid4 -l
QtCored4 -LC:\OpenSSL-Win32_full\lib
c:\Qt\Desktop\Qt\4.7.3\mingw\lib/libqtmaind.a(qtmain_win.o): In function `WinMai
n@16':
c:/ndk_buildrepos/qt-desktop/src/winmain/qtmain_win.cpp:131: undefined reference
 to `qMain(int, char**)'
collect2: ld returned 1 exit status
mingw32-make[1]: *** [debug\mysql.exe] Error 1
mingw32-make[1]: Leaving directory `C:/Qt/Desktop/Qt/4.7.3/mingw/plugins/sqldriv
ers/mysql'
mingw32-make: *** [debug] Error 2

C:\Qt\Desktop\Qt\4.7.3\mingw\plugins\sqldrivers\mysql>

#include <QtGui/QApplication>
#include "mainwindow.h"
#include <QtSql>
#include <qsqldatabase.h>
#include <QDebug>


int main(int argc, char *argv[])
{
    QSqlQuery query;

    QApplication a(argc, argv);


    MainWindow w;

    a.addLibraryPath( "./" );

    QSqlDatabase db  = QSqlDatabase::addDatabase("QMYSQL");
    qDebug() << QSqlDatabase::drivers();


     db.setHostName("localhost");
     db.setDatabaseName("db1");
     db.setUserName("root");
     db.setPassword("Djkjlz1");

     if (!db.open()) {

             qDebug() << "Error connecting";
             return 1;
             } else {
                qDebug() << "Connected";
             }

     if(!query.isActive())
          qDebug()<< query.lastError().text();

    query.exec("SELECT name FROM region");
...

QT       += core gui

TARGET = monitor
TEMPLATE = app

SOURCES += main.cpp\
        mainwindow.cpp

HEADERS  += mainwindow.h

QT += sql

FORMS    += mainwindow.ui

QT += sql

#include <QtSql>
#include <qsqldatabase.h>
...
    QSqlDatabase db  = QSqlDatabase::addDatabase("QMYSQL");

QT += sql