macmainwindow.pro Example File
demos/macmainwindow/macmainwindow.pro

 TEMPLATE        = app
 TARGET          = macmainwindow

 CONFIG          += qt warn_on console

 SOURCES += main.cpp macmainwindow.cpp
 HEADERS += macmainwindow.h

 build_all:!build_pass {
     CONFIG -= build_all
     CONFIG += release
 }

 # install
 mac {
 target.path = $$[QT_INSTALL_DEMOS]/macmainwindow
 sources.files = $$SOURCES  *.pro *.html
 sources.path = $$[QT_INSTALL_DEMOS]/macmainwindow
 INSTALLS += target sources
 }