[...]

building SRPM using: cd rpm/packages; nice -n 0 ./builder -nu -nm --nodeps --http -bs  -r HEAD  -Tp auto/ti/ -tt  liboping.spec 2>&1
builder: SMP make flags are set to -j2
Cloning into 'liboping'...
d71d2af29bf84c28354635eb0088466854a0db92
Already on 'master'
Already up-to-date.
Available branches: AC-branch master
Searching for tag auto/ti/liboping-1.6.2-2...
Searching for tag auto/ti/liboping-1_6_2-2...
--2014-08-01 05:39:41--  http://distfiles.pld-linux.org/distfiles/by-md5/6/4/64a6f31310093d2517cfe7f05aa011e0/liboping-1.6.2.tar.bz2
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: 263031 (257K) [application/x-bzip2]
Saving to: 'liboping-1.6.2.tar.bz2'
     0K .......... .......... .......... .......... .......... 19%  768K 0s
    50K .......... .......... .......... .......... .......... 38% 1.45M 0s
   100K .......... .......... .......... .......... .......... 58%  808K 0s
   150K .......... .......... .......... .......... .......... 77% 10.9M 0s
   200K .......... .......... .......... .......... .......... 97% 1.58M 0s
   250K ......                                                100% 8.89M=0.2s
2014-08-01 05:39:41 (1.27 MB/s) - 'liboping-1.6.2.tar.bz2' saved [263031/263031]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/liboping-1.6.2-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Version: 1.6.2
Release: 2
tag: auto/ti/liboping-1.6.2-2
Searching for tag auto/ti/liboping-1.6.2-2...
To ssh://git@git.pld-linux.org/packages/liboping
 * [new tag]         auto/ti/liboping-1.6.2-2 -> auto/ti/liboping-1.6.2-2
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.68085
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf liboping-1.6.2
Begin-PLD-Builder-Info
Build-Time: user:2.53s sys:1.29s real:7.29s (faults io:0 non-io:168681)
Files queued for ftp:
    271136 liboping-1.6.2-2.src.rpm
       186 liboping-1.6.2-2.src.rpm.uploadinfo
End-PLD-Builder-Info