error: identifier "ApplicationFlags" is undefined

[puneet336]

Hi all,
I am trying to compile an application using Qt-4.8.7 environment module on RHEL 6.6 and i am getting following error(But if i use the Qt installed at the default system paths, the compilation is success.) :-

CXX      gvedit-main.o
In file included from /home/apps/QT/4.8.7/gnu/include/QtGui/QApplication(1),
                from main.cpp(22):
/home/apps/QT/4.8.7/gnu/include/QtGui/qapplication.h(130): error: identifier "ApplicationFlags" is undefined
     QApplication(int &argc, char **argv, int = ApplicationFlags);
                                                ^

In file included from /home/apps/QT/4.8.7/gnu/include/QtGui/QApplication(1),
                from main.cpp(22):
/home/apps/QT/4.8.7/gnu/include/QtGui/qapplication.h(131): error: identifier "ApplicationFlags" is undefined
     QApplication(int &argc, char **argv, bool GUIenabled, int = ApplicationFlags);
                                                                 ^

In file included from /home/apps/QT/4.8.7/gnu/include/QtGui/QApplication(1),
                from main.cpp(22):
/home/apps/QT/4.8.7/gnu/include/QtGui/qapplication.h(132): error: identifier "ApplicationFlags" is undefined
     QApplication(int &argc, char **argv, Type, int = ApplicationFlags);
                                                      ^

In file included from /home/apps/QT/4.8.7/gnu/include/QtGui/QApplication(1),
                from main.cpp(22):
/home/apps/QT/4.8.7/gnu/include/QtGui/qapplication.h(134): error: identifier "ApplicationFlags" is undefined
     QApplication(Display* dpy, Qt::HANDLE visual = 0, Qt::HANDLE cmap = 0, int = ApplicationFlags);
                                                                                  ^

In file included from /home/apps/QT/4.8.7/gnu/include/QtGui/QApplication(1),
                from main.cpp(22):
/home/apps/QT/4.8.7/gnu/include/QtGui/qapplication.h(135): error: identifier "ApplicationFlags" is undefined

     QApplication(Display *dpy, int &argc, char **argv, Qt::HANDLE visual = 0, Qt::HANDLE cmap= 0, int = ApplicationFlags);
                                                                                                         ^
compilation aborted for main.cpp (code 2)

Any help/hint would be very useful.
Eagerly awaiting your replies.

[jsulm]

@puneet336 Can you show your main.cpp?