[...]

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: 663021 (647K) [application/x-gzip]
Saving to: 'libpcap-1.7.4.tar.gz'
     0K .......... .......... .......... .......... ..........  7%  787K 1s
    50K .......... .......... .......... .......... .......... 15% 1.48M 1s
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   550K .......... .......... .......... .......... .......... 92% 11.6M 0s
   600K .......... .......... .......... .......... .......   100% 2.28M=0.3s
2015-07-27 18:26:22 (2.43 MB/s) - 'libpcap-1.7.4.tar.gz' saved [663021/663021]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libpcap-1.7.4-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 pfring
--without:	 bluetooth
Writing git revision for tag auto/ti/libpcap-1.7.4-1
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.22784
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libpcap-1.7.4
Begin-PLD-Builder-Info
Build-Time: user:3.48s sys:2.24s real:12.21s (faults io:0 non-io:265743)
Files queued for ftp:
    676845 libpcap-1.7.4-1.src.rpm
       185 libpcap-1.7.4-1.src.rpm.uploadinfo
End-PLD-Builder-Info