[...]

builder: SMP make flags are set to -j2
Cloning into 'numactl'...
cc409e9c738ed47110c14c00832b64c60af3367f
Already on 'master'
Your branch is up to date with 'origin/master'.
Already up to date.
Available branches: master
Searching for tag auto/ti/numactl-2.0.12-1...
Searching for tag auto/ti/numactl-2_0_12-1...
--2018-10-22 09:06:35--  http://distfiles.pld-linux.org/distfiles/by-md5/2/b/2ba9777d78bfd7d408a387e53bc33ebc/numactl-2.0.12.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: 423020 (413K) [application/x-gzip]
Saving to: 'numactl-2.0.12.tar.gz'
     0K .......... .......... .......... .......... .......... 12%  622K 1s
    50K .......... .......... .......... .......... .......... 24% 1.21M 0s
   100K .......... .......... .......... .......... .......... 36% 39.3M 0s
   150K .......... .......... .......... .......... .......... 48% 33.6M 0s
   200K .......... .......... .......... .......... .......... 60% 1.28M 0s
   250K .......... .......... .......... .......... .......... 72% 63.3M 0s
   300K .......... .......... .......... .......... .......... 84% 40.9M 0s
   350K .......... .......... .......... .......... .......... 96% 70.1M 0s
   400K .......... ...                                        100% 16.8M=0.2s
2018-10-22 09:06:35 (2.45 MB/s) - 'numactl-2.0.12.tar.gz' saved [423020/423020]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/numactl-2.0.12-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/numactl-2.0.12-1
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.14201
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf numactl-2.0.12
Begin-TLD-Builder-Info
Build-Time: user:0.62s sys:0.11s real:2.28s (faults io:0 non-io:94601)
Files queued for ftp:
    428518 numactl-2.0.12-1.src.rpm
       186 numactl-2.0.12-1.src.rpm.uploadinfo
End-TLD-Builder-Info