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C:/MinGW/bin/mingw32-make -f Makefile.Debug

mingw32-make[1]: Entering directory `C:/Documents and Settings/Conrado/Meus documentos/NetBeansProjects/Application_1'

gcc -c -g -Wall -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT -I"c:\Qt\4.4.0\include\QtCore" -I"c:\Qt\4.4.0\include\QtCore" -I"c:\Qt\4.4.0\include\QtGui" -I"c:\Qt\4.4.0\include\QtGui" -I"c:\Qt\4.4.0\include" -I"." -I"c:\Qt\4.4.0\include\ActiveQt" -I"debug" -I"." -I"c:\Qt\4.4.0\mkspecs\win32-g++" -o debug\newmain.o newmain.c

In file included from c:/Qt/4.4.0/include/QtCore/qnamespace.h:1,

                 from c:/Qt/4.4.0/include/QtCore/../../src/corelib/kernel/qobjectdefs.h:47,

                 from c:/Qt/4.4.0/include/QtCore/qobjectdefs.h:1,

                 from c:/Qt/4.4.0/include/QtCore/../../src/corelib/kernel/qobject.h:49,

                 from c:/Qt/4.4.0/include/QtCore/qobject.h:1,

                 from c:/Qt/4.4.0/include/QtCore/../../src/corelib/kernel/qcoreapplication.h:47,

                 from c:/Qt/4.4.0/include/QtCore/qcoreapplication.h:1,

                 from c:/Qt/4.4.0/include/QtGui/../../src/gui/kernel/qapplication.h:47,

                 from c:/Qt/4.4.0/include/QtGui/qapplication.h:1,

                 from c:/Qt/4.4.0/include/QtGui/QApplication:1,

                 from newmain.c:1:

c:/Qt/4.4.0/include/QtCore/../../src/corelib/global/qnamespace.h:56: error: syntax error before "namespace"

c:/Qt/4.4.0/include/QtCore/../../src/corelib/global/qnamespace.h:60: error: syntax error before '{' token

c:/Qt/4.4.0/include/QtCore/../../src/corelib/global/qnamespace.h:127: warning: return type defaults to `int'

c:/Qt/4.4.0/include/QtCore/../../src/corelib/global/qnamespace.h: In function `Q_DECLARE_FLAGS':

c:/Qt/4.4.0/include/QtCore/../../src/corelib/global/qnamespace.h:128: error: `Qt' undeclared (first use in this function)

c:/Qt/4.4.0/include/QtCore/../../src/corelib/global/qnamespace.h:128: error: (Each undeclared identifier is reported only once

c:/Qt/4.4.0/include/QtCore/../../src/corelib/global/qnamespace.h:128: error: for each function it appears in.)

c:/Qt/4.4.0/include/QtCore/../../src/corelib/global/qnamespace.h:128: confused by earlier errors, bailing out

mingw32-make[1]: *** [debug/newmain.o] Error 1

mingw32-make[1]: Leaving directory `C:/Documents and Settings/Conrado/Meus documentos/NetBeansProjects/Application_1'

mingw32-make: *** [debug] Error 2

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 #include <QApplication>
 #include <QPushButton>

 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);

     QPushButton hello("Hello world!");
     hello.resize(100, 30);

     hello.show();
     return app.exec();
 }