[...]

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: 651237 (636K) [application/x-gzip]
Saving to: 'libpcap-1.6.2.tar.gz'
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   600K .......... .......... .......... .....                100% 1.67M=0.3s
2015-02-04 12:46:42 (2.23 MB/s) - 'libpcap-1.6.2.tar.gz' saved [651237/651237]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libpcap-1.6.2-1.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-1.6.2-1
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
Executing(--clean):  env -i TMP=/home/users/builder/tmp PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/X11R6/bin HOME=/home/users/builder TMPDIR=/home/users/builder/tmp  /bin/sh -e /home/users/builder/tmp/rpm-tmp.69761
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libpcap-1.6.2
Begin-PLD-Builder-Info
Build-Time: user:3.19s sys:2.10s real:6.25s (faults io:2 non-io:236942)
Files queued for ftp:
    664657 libpcap-1.6.2-1.src.rpm
       185 libpcap-1.6.2-1.src.rpm.uploadinfo
End-PLD-Builder-Info