zshcompletiondir = get_option('zshcompletiondir')
if zshcompletiondir == ''
        zshcompletiondir = join_paths(datadir, 'zsh/site-functions')

        message('zsh completions: @0@'.format(zshcompletiondir))
endif

if zshcompletiondir != 'no'
#if 0 /// elogind has a *very* short list for this...
#         zsh_systemctl = configure_file(
#                 input : '_systemctl.in',
#                 output : '_systemctl',
#                 configuration : substs)
# 
#         items = [['_busctl',                   ''],
#                  ['_journalctl',               ''],
#                  ['_systemd-analyze',          ''],
#                  ['_systemd-delta',            ''],
#                  ['_systemd-nspawn',           ''],
#                  ['_systemd',                  ''],
#                  ['_systemd-run',              ''],
#                  ['_udevadm',                  ''],
#                  ['_kernel-install',           ''],
#                  ['_sd_hosts_or_user_at_host', ''],
#                  ['_sd_outputmodes',           ''],
#                  ['_sd_unit_files',            ''],
#                  ['_sd_machines',              ''],
#                  [zsh_systemctl,               ''],
#                  ['_bootctl',                  'ENABLE_EFI'],
#                  ['_coredumpctl',              'ENABLE_COREDUMP'],
#                  ['_hostnamectl',              'ENABLE_HOSTNAMED'],
#                  ['_localectl',                'ENABLE_LOCALED'],
#                  ['_loginctl',                 'ENABLE_LOGIND'],
#                  ['_machinectl',               'ENABLE_MACHINED'],
#                  ['_networkctl',               'ENABLE_NETWORKD'],
#                  ['_systemd-inhibit',          'ENABLE_LOGIND'],
#                  ['_systemd-resolve',          'ENABLE_RESOLVE'],
#                  ['_systemd-tmpfiles',         'ENABLE_TMPFILES'],
#                  ['_timedatectl',              'ENABLE_TIMEDATED'],
#else
        items = [['_loginctl',            ''],
#endif // 0
                ]

        foreach item : items
                if item[1] == '' or conf.get(item[1]) == 1
                        install_data(item[0],
                                     install_dir : zshcompletiondir)
                endif
        endforeach
endif