Update of freeradius-2.2.3_1 to freeradius-2.2.4 fails

[Dr. Peter Voigt]

I am running 10.0-RELEASE and when trying to upgrade
freeradius-2.2.3_1 to freeradius-2.2.4 after the latest update of the
ports tree I obtain the following build error:

...
libtool: link: cc -pthread
-o .libs/rlm_dbm_parser .libs/rlm_dbm_parser.o
-L/usr/local/lib /usr/ports/net/freeradius2/work/freeradius-server-2.2.4/src/lib/.libs/libfreeradius-radius.so
-lssl -lcrypto -lpthread -pthread  -Wl,-rpath
-Wl,/usr/local/lib/freeradius-2.2.4 /usr/ports/net/freeradius2/work/freeradius-server-2.2.4/src/lib/.libs/libfreeradius-radius.so:
undefined reference to
`backtrace_symbols' /usr/ports/net/freeradius2/work/freeradius-server-2.2.4/src/lib/.libs/libfreeradius-radius.so:
undefined reference to `backtrace' cc: error: linker command failed
with exit code 1 (use -v to see invocation) gmake[7]: ***
[rlm_dbm_parser] Fehler 1 gmake[7]: Leaving directory
`/usr/ports/net/freeradius2/work/freeradius-server-2.2.4/src/modules/rlm_dbm'
gmake[6]: *** [rlm_dbm] Fehler 2 gmake[6]: Leaving directory
`/usr/ports/net/freeradius2/work/freeradius-server-2.2.4/src/modules'
gmake[5]: *** [all] Fehler 2 gmake[5]: Leaving directory
`/usr/ports/net/freeradius2/work/freeradius-server-2.2.4/src/modules'
gmake[4]: *** [modules] Fehler 2 gmake[4]: Leaving directory
`/usr/ports/net/freeradius2/work/freeradius-server-2.2.4/src' gmake[3]:
*** [all] Fehler 2 gmake[3]: Leaving directory
`/usr/ports/net/freeradius2/work/freeradius-server-2.2.4/src' gmake[2]:
*** [src] Fehler 2 gmake[2]: Leaving directory
`/usr/ports/net/freeradius2/work/freeradius-server-2.2.4' gmake[1]: ***
[all] Fehler 2 gmake[1]: Leaving directory
`/usr/ports/net/freeradius2/work/freeradius-server-2.2.4' *** Error
code 1

Stop.
make: stopped in /usr/ports/net/freeradius2

===>>> make failed for net/freeradius2
===>>> Aborting update

===>>> Killing background jobs
Terminated

===>>> You can restart from the point of failure with this command line:
       portmaster <flags> net/freeradius2 

===>>> Exiting

Any hints are appreciated.

Regards,
Peter