opt.add_option('--target-windows', action='store_true', default=False, help='set up to do a cross-compile to make a Windows package')
opt.add_option('--target-debian', action='store_true', default=False, help='set up to compile for a Debian/Ubuntu package')
opt.add_option('--debian-unstable', action='store_true', default=False, help='add extra libraries to static-build correctly on Debian unstable')
opt.add_option('--target-windows', action='store_true', default=False, help='set up to do a cross-compile to make a Windows package')
opt.add_option('--target-debian', action='store_true', default=False, help='set up to compile for a Debian/Ubuntu package')
opt.add_option('--debian-unstable', action='store_true', default=False, help='add extra libraries to static-build correctly on Debian unstable')