and I get all these annoying messages... while on my Mac everything goes right with the same .pro
Where is the problem please?

TEMPLATE = app
TARGET +=
DEPENDPATH += .
INCLUDEPATH += /usr/include/qt4/Qt /usr/include/QGLViewer /usr/include/c++/4.2/backward
LIBS += -L/usr/local/lib -lQGLViewer
QMAKE_CXXFLAGS_DEBUG += -Wno-deprecated
QMAKE_CXXFLAGS_RELEASE += -Wno-deprecated
QT += xml opengl