qt-everywhere-src-5.14.1/qtbase/examples/widgets/mainwindows/mdi/mdi.pro - orbit - Git at Google

 QT += widgets
 requires(qtConfig(filedialog))

 HEADERS       = mainwindow.h \
                 mdichild.h
 SOURCES       = main.cpp \
                 mainwindow.cpp \
                 mdichild.cpp
 RESOURCES     = mdi.qrc

 # install
 target.path = $$[QT_INSTALL_EXAMPLES]/widgets/mainwindows/mdi
 INSTALLS += target
	QT += widgets
	requires(qtConfig(filedialog))

	HEADERS = mainwindow.h \
	mdichild.h
	SOURCES = main.cpp \
	mainwindow.cpp \
	mdichild.cpp
	RESOURCES = mdi.qrc

	# install
	target.path = $$[QT_INSTALL_EXAMPLES]/widgets/mainwindows/mdi
	INSTALLS += target