buildenv.PoBuild(po_file, ['po/'+po_file, potfile])
mo_file = po_file.replace (".po", ".mo")
installenv.Alias ('install', buildenv.MoBuild (mo_file, po_file))
+ installenv.Alias ('msgupdate', buildenv.MoBuild (mo_file, po_file))
for lang in languages:
modir = (os.path.join (install_prefix, 'share/locale/' + lang + '/LC_MESSAGES/'))