Project MESSAGE: Warning: unknown QT: quick

Question

$ qmake -v
QMake version 2.01a
Using Qt version 4.8.1 in /usr/lib/x86_64-linux-gnu

The .pro file is here:

TEMPLATE = subdirs

QT       += quick
SOURCES  = qtCppIntegration.cpp

qmake results in:

$ qmake  
Project MESSAGE: Warning: unknown QT: quick

Answer 1

AFAIR in Qt 4.8 this module is called declarative. Quick is for Qt5