[...]

No conditional flags passed
from available:
--with   :	
--without:	 idn
Available branches: AC-branch RA-branch master
Searching for tag auto/ti/traceroute-2.0.20-2...
Searching for tag auto/ti/traceroute-2_0_20-2...
--2015-07-27 18:49:39--  http://distfiles.pld-linux.org/distfiles/by-md5/5/5/559f104e155e0e14ee0c717776a745fa/traceroute-2.0.20.tar.gz
Resolving distfiles.pld-linux.org (distfiles.pld-linux.org)... 193.239.45.41
Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 68907 (67K) [application/x-gzip]
Saving to: 'traceroute-2.0.20.tar.gz'
     0K .......... .......... .......... .......... .......... 74%  779K 0s
    50K .......... .......                                    100%  567K=0.09s
2015-07-27 18:49:39 (711 KB/s) - 'traceroute-2.0.20.tar.gz' saved [68907/68907]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/traceroute-2.0.20-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 idn
Writing git revision for tag auto/ti/traceroute-2.0.20-2
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
Executing(--clean): env -i TMP=/home/users/builder/tmp HOME=/home/users/builder PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/X11R6/bin TMPDIR=/home/users/builder/tmp  /bin/sh -e /home/users/builder/tmp/rpm-tmp.33594
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf traceroute-2.0.20
Begin-PLD-Builder-Info
Build-Time: user:2.80s sys:1.63s real:15.27s (faults io:1 non-io:205570)
Files queued for ftp:
     79675 traceroute-2.0.20-2.src.rpm
       189 traceroute-2.0.20-2.src.rpm.uploadinfo
End-PLD-Builder-Info