[...]

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   htop.spec 2>&1
Cloning into 'htop'...
ec144be1811b6136acbcf5ff8033e029f5f443eb
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/htop-2.0.2-1...
Searching for tag auto/ti/htop-2_0_2-1...
--2017-04-05 12:39:36--  http://distfiles.pld-linux.org/distfiles/by-md5/7/d/7d354d904bad591a931ad57e99fea84a/htop-2.0.2.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: 476364 (465K) [application/x-gzip]
Saving to: 'htop-2.0.2.tar.gz'
     0K .......... .......... .......... .......... .......... 10% 1.05M 0s
    50K .......... .......... .......... .......... .......... 21% 2.11M 0s
   100K .......... .......... .......... .......... .......... 32% 68.6M 0s
   150K .......... .......... .......... .......... .......... 42%  222M 0s
   200K .......... .......... .......... .......... .......... 53% 2.17M 0s
   250K .......... .......... .......... .......... .......... 64%  114M 0s
   300K .......... .......... .......... .......... .......... 75%  392M 0s
   350K .......... .......... .......... .......... .......... 85% 95.2M 0s
   400K .......... .......... .......... .......... .......... 96% 2.19M 0s
   450K .......... .....                                      100%  179M=0.1s
2017-04-05 12:39:36 (3.90 MB/s) - 'htop-2.0.2.tar.gz' saved [476364/476364]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/htop-2.0.2-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/htop-2.0.2-1
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.15620
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf htop-2.0.2
Begin-TLD-Builder-Info
Build-Time: user:0.62s sys:0.16s real:2.10s (faults io:0 non-io:97556)
Files queued for ftp:
    481875 htop-2.0.2-1.src.rpm
       182 htop-2.0.2-1.src.rpm.uploadinfo
End-TLD-Builder-Info