Seti@Home Installation error

[Bruce Hunter]

I am trying to install the Seti at home from the ports collection:
When I run 

#portupgrade -N astro/setiahome/
I get this error
--------------------------------------------------------
===>  Installing for compat4x-i386-5.2.1
===>   Generating temporary packing list
===>  Checking if misc/compat4x already installed
/bin/mkdir -p /usr/local/lib/compat /usr/local/etc/rc.d
install  -o root -g wheel -m 444
/usr/ports/misc/compat4x/work/usr/lib/compat/* /usr/local/lib/compat/
/bin/ln -sf libc_r.so.4.compat4x /usr/local/lib/compat/libc_r.so.4
/bin/ln -sf libperl.so.3.compat4x /usr/local/lib/compat/libperl.so.3
install  -o root -g wheel -m 555
/usr/ports/misc/compat4x/work/000.compat4x.sh /usr/local/etc/rc.d/
===>   Running ldconfig
/sbin/ldconfig -m /usr/local/lib/compat
ldconfig: /usr/local/lib/compat: ignoring group-writable directory
===>   Registering installation for compat4x-i386-5.2.1
===> SECURITY REPORT:
      This port has installed the following files which may act as
network
      servers and may therefore pose a remote security risk to the
system.
/usr/local/lib/compat/libc_r.so.4.compat4x
/usr/local/lib/compat/libfetch.so.2
/usr/local/lib/compat/libperl.so.3.compat4x
/usr/local/lib/compat/libc.so.4

      This port has installed the following startup scripts which may
cause
      these network services to be started at boot time.
/usr/local/etc/rc.d/000.compat4x.sh

      If there are vulnerabilities in these programs there may be a
security
      risk to the system. FreeBSD makes no guarantee about the security
of
      ports included in the Ports Collection. Please type 'make
deinstall'
      to deinstall the port if this is a concern.
===>   Returning to build of setiathome-3.08_3
Error: shared library "c.4" does not exist
*** Error code 1

Stop in /usr/ports/astro/setiathome.
** Command failed [exit code 1]: /usr/bin/script -qa
/tmp/portupgrade33298.0 make
** Fix the problem and try again.
** Listing the failed packages (*:skipped / !:failed)
        ! astro/setiathome      (dependent libraries)
--->  Packages processed: 0 done, 0 ignored, 0 skipped and 1 failed

any ideas?

Thanks
Bruce