Revision control
++ #############################################
++ #
++ # Example for using Precompiled Headers
++ #
++ #############################################
++ #! [0]
++ TEMPLATE = app
++ LANGUAGE = C++
++ CONFIG += cmdline precompile_header
++ QT += widgets
++
++ # Use Precompiled headers (PCH)
++ PRECOMPILED_HEADER = stable.h
++
++ HEADERS = stable.h \
++ mydialog.h \
++ myobject.h
++ SOURCES = main.cpp \
++ mydialog.cpp \
++ myobject.cpp \
++ util.cpp
++ FORMS = mydialog.ui
++ #! [0]