[...]

Cloning into 'libibverbs'...
From git://git.pld-linux.org/packages/libibverbs
 * [new ref]         refs/notes/commits -> refs/notes/commits
ff463ee768823c329a75ece7708d267fca10c865
Already on 'master'
Your branch is up-to-date with 'origin/master'.
Already up-to-date.
Available branches: AC-branch master
Searching for tag auto/ti/libibverbs-1.2.1-1...
Searching for tag auto/ti/libibverbs-1_2_1-1...
--2017-04-05 12:43:20--  http://distfiles.pld-linux.org/distfiles/by-md5/1/5/1544ebb89d861ce84057ab43dfcd22a0/libibverbs-1.2.1.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: 456666 (446K) [application/x-gzip]
Saving to: 'libibverbs-1.2.1.tar.gz'
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    50K .......... .......... .......... .......... .......... 22% 2.10M 0s
   100K .......... .......... .......... .......... .......... 33% 79.6M 0s
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   200K .......... .......... .......... .......... .......... 56% 2.18M 0s
   250K .......... .......... .......... .......... .......... 67% 81.0M 0s
   300K .......... .......... .......... .......... .......... 78%  266M 0s
   350K .......... .......... .......... .......... .......... 89% 68.2M 0s
   400K .......... .......... .......... .......... .....     100% 2.08M=0.1s
2017-04-05 12:43:20 (3.73 MB/s) - 'libibverbs-1.2.1.tar.gz' saved [456666/456666]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libibverbs-1.2.1-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/libibverbs-1.2.1-1
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.15224
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libibverbs-1.2.1
Begin-TLD-Builder-Info
Build-Time: user:0.58s sys:0.15s real:2.20s (faults io:0 non-io:96391)
Files queued for ftp:
    463085 libibverbs-1.2.1-1.src.rpm
       188 libibverbs-1.2.1-1.src.rpm.uploadinfo
End-TLD-Builder-Info