[...]

     0K .......... .......... .......                         100% 29.2M=0.001s
2018-03-16 22:15:33 (29.2 MB/s) - 'ejabberd-stun-20170322.tar.gz' saved [28515/28515]
--2018-03-16 22:15:33--  http://df.tld-linux.org/distfiles/by-md5/4/6/467ec3065ffd7b8d2387505b91b85e2b/ejabberd-xmpp-20170322.tar.gz
Resolving df.tld-linux.org (df.tld-linux.org)... 46.4.78.55
Connecting to df.tld-linux.org (df.tld-linux.org)|46.4.78.55|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 367955 (359K) [application/x-gzip]
Saving to: 'ejabberd-xmpp-20170322.tar.gz'
     0K .......... .......... .......... .......... .......... 13% 25.8M 0s
    50K .......... .......... .......... .......... .......... 27% 54.6M 0s
   100K .......... .......... .......... .......... .......... 41% 88.2M 0s
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   200K .......... .......... .......... .......... .......... 69% 94.9M 0s
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   350K .........                                             100%  315M=0.005s
2018-03-16 22:15:33 (67.4 MB/s) - 'ejabberd-xmpp-20170322.tar.gz' saved [367955/367955]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/ejabberd-17.04-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 pam weaker_crypto
--without:	 logdb
Writing git revision for tag auto/ti/ejabberd-17.04-1
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.66
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf ejabberd-17.04
Begin-TLD-Builder-Info
Build-Time: user:0.90s sys:0.28s real:3.42s (faults io:0 non-io:436528)
Files queued for ftp:
   6865334 ejabberd-17.04-1.src.rpm
       186 ejabberd-17.04-1.src.rpm.uploadinfo
End-TLD-Builder-Info