[...]

building SRPM using: cd rpm/packages; nice -n 0 ./builder -nu -nm --nodeps --http --define '_tld_builder 1' -bs  -r HEAD  -Tp auto/ti/ -tt   freealut.spec 2>&1
Cloning into 'freealut'...
7958a598ec1efd9637c11e7af928e139727a248e
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/freealut-1.1.0-3...
Searching for tag auto/ti/freealut-1_1_0-3...
--2017-10-19 22:00:50--  http://distfiles.pld-linux.org/distfiles/by-md5/e/0/e089b28a0267faabdb6c079ee173664a/freealut-1.1.0.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: 461830 (451K) [application/x-gzip]
Saving to: 'freealut-1.1.0.tar.gz'
     0K .......... .......... .......... .......... .......... 11% 1.10M 0s
    50K .......... .......... .......... .......... .......... 22% 2.20M 0s
   100K .......... .......... .......... .......... .......... 33%  156M 0s
   150K .......... .......... .......... .......... .......... 44% 49.4M 0s
   200K .......... .......... .......... .......... .......... 55% 2.32M 0s
   250K .......... .......... .......... .......... .......... 66% 89.0M 0s
   300K .......... .......... .......... .......... .......... 77%  354M 0s
   350K .......... .......... .......... .......... .......... 88% 95.9M 0s
   400K .......... .......... .......... .......... .......... 99% 2.34M 0s
   450K .                                                     100% 1919G=0.1s
2017-10-19 22:00:50 (3.97 MB/s) - 'freealut-1.1.0.tar.gz' saved [461830/461830]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/freealut-1.1.0-3.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/freealut-1.1.0-3
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.50762
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf freealut-1.1.0
Begin-TLD-Builder-Info
Build-Time: user:0.52s sys:0.11s real:1.81s (faults io:0 non-io:83420)
Files queued for ftp:
    464885 freealut-1.1.0-3.src.rpm
       186 freealut-1.1.0-3.src.rpm.uploadinfo
End-TLD-Builder-Info