mainwindow.pro Example File

mainwindows/mainwindow/mainwindow.pro
TEMPLATE = app
QT += widgets
HEADERS += colorswatch.h mainwindow.h toolbar.h
SOURCES += colorswatch.cpp mainwindow.cpp toolbar.cpp main.cpp
build_all:!build_pass {
    CONFIG -= build_all
    CONFIG += release
}
RESOURCES += mainwindow.qrc
# install
target.path = $$[QT_INSTALL_EXAMPLES]/widgets/mainwindows/mainwindow
INSTALLS += target