[...]

 --without tests
from available:
--with   :	
--without:	 doc python python2 python3 tcl
Available branches: AC-branch RA-branch master
Searching for tag auto/ti/newt-0.52.21-2...
Searching for tag auto/ti/newt-0_52_21-2...
--2019-12-12 22:33:33--  http://distfiles.pld-linux.org/by-md5/a/0/a0a5fd6b53bb167a65e15996b249ebb5/newt-0.52.21.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: 174895 (171K) [application/x-gzip]
Saving to: 'newt-0.52.21.tar.gz'
     0K .......... .......... .......... .......... .......... 29%  606K 0s
    50K .......... .......... .......... .......... .......... 58% 1.19M 0s
   100K .......... .......... .......... .......... .......... 87% 37.2M 0s
   150K .......... ..........                                 100% 32.0M=0.1s
2019-12-12 22:33:33 (1.33 MB/s) - 'newt-0.52.21.tar.gz' saved [174895/174895]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/newt-0.52.21-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Building newt.spec with the following conditional flags:
 --without tests
from available:
--with   :	
--without:	 doc python python2 python3 tcl
Writing git revision for tag auto/ti/newt-0.52.21-2
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.22037
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf newt-0.52.21
Begin-TLD-Builder-Info
Build-Time: user:0.99s sys:0.28s real:2.76s (faults io:0 non-io:129148)
Files queued for ftp:
    186753 newt-0.52.21-2.src.rpm
       184 newt-0.52.21-2.src.rpm.uploadinfo
End-TLD-Builder-Info