g++ -c -pipe -Wall -W -O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -m32 -march=i386 -mtune=pentium4 -fasynchronous-unwind-tables  -DQT_NO_DEBUG -DQT_SHARED -DQT_THREAD_SUPPORT -I/usr/lib/qt-3.3/mkspecs/default -I. -I. -I/usr/lib/qt-3.3/include -o main.o main.cpp
main.cpp:1:25: error: QApplication: No such file or directory
main.cpp:2:24: error: QPushButton: No such file or directory
main.cpp: In function ‘int main(int, char**)’:
main.cpp:6: error: ‘QApplication’ was not declared in this scope
main.cpp:6: error: expected `;' before ‘app’
main.cpp:8: error: ‘QPushButton’ was not declared in this scope
main.cpp:8: error: expected `;' before ‘hello’
main.cpp:9: error: ‘hello’ was not declared in this scope
main.cpp:12: error: ‘app’ was not declared in this scope
main.cpp: At global scope:
main.cpp:4: warning: unused parameter ‘argc’
main.cpp:4: warning: unused parameter ‘argv’
make: *** [main.o] Error 1