lsof fails to configure

[Pierre Abbat]

I'm trying to install lsof so that arm can watch connections on my Tor relay. 
I get the following:

===> Patching for lsof-4.83
=> Applying pkgsrc patches for lsof-4.83
===> Creating toolchain wrappers for lsof-4.83
===> Configuring for lsof-4.83
=> Replacing Perl interpreter in scripts/sort_res.perl5 scripts/count_pf.perl5 
scripts/list_NULf.perl5 scripts/big_brother.perl5 scripts/identd.perl5 
scripts/shared.perl5 scripts/idrlogin.perl5 scripts/count_pf.perl 
scripts/idrlogin.perl scripts/list_fields.perl scripts/watch_a_file.perl.
Can't configure for dragonfly.
Usage: Configure <options> <target-dialect>
  <options>:  -clean        : clean up previous configuration
              -d|-dialects  : display a list of supported dialect versions
              -h|-help      : display help information
              -n            : avoid AFS, customization, and inventory checks
  <target-dialect> (****USE -d TO GET TESTED DIALECT VERSION NUMBERS****):
    aix|aixgcc              : IBM AIX xlc (aix) or gcc (aixgcc)
    darwin                  : Apple Darwin
    decosf                  : DEC OSF/1
    digital_unix|du         : Digital UNIX
    freebsd                 : FreeBSD
    hpux|hpuxgcc            : HP-UX cc (hpux) or gcc (hpuxgcc)
    linux                   : Linux
    netbsd                  : NetBSD
    nextstep|next|ns|nxt    : NEXTSTEP
    openbsd                 : OpenBSD
    openstep|os             : OPENSTEP
    osr|sco                 : SCO OpenServer < 6.0.0, SCO devloper's compiler
    osrgcc|scogcc           : SCO OpenServer < 6.0.0, gcc compiler
    osr6                    : SCO OpenServer 6.0.0, SCO compiler
    solaris|solariscc       : Solaris gcc (solaris) or cc (solariscc)
    tru64                   : Tru64 UNIX
    unixware|uw             : SCO|Caldera UnixWare
*** Error code 1

How can I fix it?

Pierre
-- 
When a barnacle settles down, its brain disintegrates.
Já não percebe nada, já não percebe nada.