QT += widgets
SOURCES += main.cpp mainwindow.cpp commands.cpp document.cpp
HEADERS += mainwindow.h commands.h document.h
FORMS += mainwindow.ui
build_all:!build_pass {
CONFIG -= build_all
CONFIG += release
}
RESOURCES += undo.qrc
# install
target.path = $$[QT_INSTALL_EXAMPLES]/widgets/tools/undo
INSTALLS += target