[...]

builder: SMP make flags are set to -j2
Cloning into 'tdb'...
121e4e3c6add63a44bc7c1ae0c697c2dad251c09
Already on 'master'
Your branch is up-to-date with 'origin/master'.
Already up-to-date.
Available branches: AC-branch RA-branch master
Searching for tag auto/ti/tdb-1.3.9-1...
Searching for tag auto/ti/tdb-1_3_9-1...
--2016-05-23 11:53:32--  http://distfiles.pld-linux.org/distfiles/by-md5/2/0/20c980778114543656e0770249d13735/tdb-1.3.9.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: 493585 (482K) [application/x-gzip]
Saving to: 'tdb-1.3.9.tar.gz'
     0K .......... .......... .......... .......... .......... 10%  833K 1s
    50K .......... .......... .......... .......... .......... 20%  870K 0s
   100K .......... .......... .......... .......... .......... 31% 11.6M 0s
   150K .......... .......... .......... .......... .......... 41% 1.69M 0s
   200K .......... .......... .......... .......... .......... 51% 1.79M 0s
   250K .......... .......... .......... .......... .......... 62% 11.6M 0s
   300K .......... .......... .......... .......... .......... 72% 1.95M 0s
   350K .......... .......... .......... .......... .......... 82% 10.9M 0s
   400K .......... .......... .......... .......... .......... 93% 2.17M 0s
   450K .......... .......... .......... ..                   100% 11.2M=0.2s
2016-05-23 11:53:33 (1.99 MB/s) - 'tdb-1.3.9.tar.gz' saved [493585/493585]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/tdb-1.3.9-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/tdb-1.3.9-1
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.45342
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf tdb-1.3.9
Begin-PLD-Builder-Info
Build-Time: user:2.88s sys:1.21s real:5.14s (faults io:0 non-io:89802)
Files queued for ftp:
    498524 tdb-1.3.9-1.src.rpm
       181 tdb-1.3.9-1.src.rpm.uploadinfo
End-PLD-Builder-Info