[...]

builder: SMP make flags are set to -j2
Cloning into 'userspace-rcu'...
e873bd43faf44c419f287f4d28ae45169473b65d
Already on 'master'
Your branch is up to date with 'origin/master'.
Already up to date.
Available branches: master
Searching for tag auto/ti/userspace-rcu-0.10.2-1...
Searching for tag auto/ti/userspace-rcu-0_10_2-1...
--2019-08-25 11:42:12--  http://distfiles.pld-linux.org/by-md5/7/c/7c424c5183ec009d87e0f70c23e92f1b/userspace-rcu-0.10.2.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: 503833 (492K) [application/x-bzip2]
Saving to: 'userspace-rcu-0.10.2.tar.bz2'
     0K .......... .......... .......... .......... .......... 10%  625K 1s
    50K .......... .......... .......... .......... .......... 20% 1.22M 0s
   100K .......... .......... .......... .......... .......... 30% 82.1M 0s
   150K .......... .......... .......... .......... .......... 40% 34.9M 0s
   200K .......... .......... .......... .......... .......... 50% 1.28M 0s
   250K .......... .......... .......... .......... .......... 60% 75.9M 0s
   300K .......... .......... .......... .......... .......... 71% 29.0M 0s
   350K .......... .......... .......... .......... .......... 81%  222M 0s
   400K .......... .......... .......... .......... .......... 91% 1.30M 0s
   450K .......... .......... .......... .......... ..        100%  289M=0.2s
2019-08-25 11:42:12 (2.40 MB/s) - 'userspace-rcu-0.10.2.tar.bz2' saved [503833/503833]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/userspace-rcu-0.10.2-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/userspace-rcu-0.10.2-1
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.47762
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf userspace-rcu-0.10.2
Begin-TLD-Builder-Info
Build-Time: user:0.81s sys:0.16s real:2.99s (faults io:0 non-io:91819)
Files queued for ftp:
    510371 userspace-rcu-0.10.2-1.src.rpm
       192 userspace-rcu-0.10.2-1.src.rpm.uploadinfo
End-TLD-Builder-Info