[...]

Searching for tag auto/ti/zlib-1_2_11-1...
--2017-04-04 11:02:56--  http://distfiles.pld-linux.org/distfiles/by-md5/1/c/1c9f62f0778697a09d36121ead88e08e/zlib-1.2.11.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: 607698 (593K) [application/x-gzip]
Saving to: 'zlib-1.2.11.tar.gz'
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2017-04-04 11:02:59 (4.87 MB/s) - 'zlib-1.2.11.tar.gz' saved [607698/607698]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/zlib-1.2.11-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 asmopt
--without:	 tests
Writing git revision for tag auto/ti/zlib-1.2.11-1
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.15646
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf zlib-1.2.11
Begin-TLD-Builder-Info
Build-Time: user:1.07s sys:0.35s real:40.49s (faults io:0 non-io:103061)
Files queued for ftp:
    618935 zlib-1.2.11-1.src.rpm
       183 zlib-1.2.11-1.src.rpm.uploadinfo
End-TLD-Builder-Info