-all_sources = ['SConscript',] + sources + includes
-ballprefix = env['ballprefix'] + '/flower'
-ball = Builder (prefix = ballprefix + '/', action = 'ln $SOURCE $TARGET')
-#et = env.Copy (BUILDERS = {'BALL': ball})
-et = env.Copy ()
-#ballize = map (et.BALL, all_sources)
-tar = env.Tar (env['tarball'],
- map (lambda x: os.path.join (ballprefix, x), all_sources))
+po = env.Command ('lilypond.po', sources + includes, env['pocommand'])
+env.Alias ('po-update', po)