[...]

from available:
--with   :	
--without:	 apidocs static_libs
Available branches: master
Searching for tag auto/ti/libnftnl-1.1.5-1...
Searching for tag auto/ti/libnftnl-1_1_5-1...
--2020-04-05 17:07:43--  http://distfiles.pld-linux.org/by-md5/a/7/a72ae260f7da9c223ad5d4fa036a8f84/libnftnl-1.1.5.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: 373930 (365K) [application/x-bzip2]
Saving to: 'libnftnl-1.1.5.tar.bz2'
     0K .......... .......... .......... .......... .......... 13% 1.29M 0s
    50K .......... .......... .......... .......... .......... 27% 2.58M 0s
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   350K .......... .....                                      100%  117M=0.08s
2020-04-05 17:07:43 (4.64 MB/s) - 'libnftnl-1.1.5.tar.bz2' saved [373930/373930]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libnftnl-1.1.5-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 apidocs static_libs
Writing git revision for tag auto/ti/libnftnl-1.1.5-1
Tag auto/ti/libnftnl-1.1.5-1 already exists
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.48453
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libnftnl-1.1.5
Begin-TLD-Builder-Info
Build-Time: user:1.08s sys:0.61s real:3.00s (faults io:7 non-io:80779)
End-TLD-Builder-Info