I am new to qmake and I am trying to build an existing application. Qt was originally installed in /usr/local/lib/Qt-4.3.5 and \'qmake -query QT_INSTALL_PREFIX\' returns that pa
This is a 'builtin' compiled into qmake from qconfig.cpp. The best way is to reconfigure Qt with another -prefix and rebuild unfortunately. For most other variables, you can use a .qmake.cache file. See