opt.add_option('--enable-debug', action='store_true', default = False, help = 'build with debugging information and without optimisation')
opt.add_option('--disable-gui', action='store_true', default = False, help = 'disable building of GUI tools')
opt.add_option('--disable-player', action='store_true', default = False, help = 'disable building of the player components')
opt.add_option('--enable-debug', action='store_true', default = False, help = 'build with debugging information and without optimisation')
opt.add_option('--disable-gui', action='store_true', default = False, help = 'disable building of GUI tools')
opt.add_option('--disable-player', action='store_true', default = False, help = 'disable building of the player components')
conf.env.TARGET_WINDOWS = conf.options.target_windows
conf.env.DISABLE_GUI = conf.options.disable_gui
conf.env.DISABLE_PLAYER = conf.options.disable_player
conf.env.TARGET_WINDOWS = conf.options.target_windows
conf.env.DISABLE_GUI = conf.options.disable_gui
conf.env.DISABLE_PLAYER = conf.options.disable_player