[...]

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   libbsd.spec 2>&1
builder: SMP make flags are set to -j2
Cloning into 'libbsd'...
b0d80be6bdf023521244246e46e13ab5079afc12
Already on 'master'
Your branch is up to date with 'origin/master'.
Already up to date.
Available branches: master
Searching for tag auto/ti/libbsd-0.9.1-1...
Searching for tag auto/ti/libbsd-0_9_1-1...
--2018-10-22 09:02:45--  http://distfiles.pld-linux.org/distfiles/by-md5/a/7/a74b80c4143afa032c90226a4518fffe/libbsd-0.9.1.tar.xz
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: 387180 (378K) [application/octet-stream]
Saving to: 'libbsd-0.9.1.tar.xz'
     0K .......... .......... .......... .......... .......... 13%  622K 1s
    50K .......... .......... .......... .......... .......... 26% 1.21M 0s
   100K .......... .......... .......... .......... .......... 39% 60.3M 0s
   150K .......... .......... .......... .......... .......... 52% 35.5M 0s
   200K .......... .......... .......... .......... .......... 66% 1.28M 0s
   250K .......... .......... .......... .......... .......... 79% 43.8M 0s
   300K .......... .......... .......... .......... .......... 92% 72.7M 0s
   350K .......... .......... ........                        100%  271M=0.2s
2018-10-22 09:02:45 (2.27 MB/s) - 'libbsd-0.9.1.tar.xz' saved [387180/387180]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libbsd-0.9.1-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/libbsd-0.9.1-1
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.6963
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libbsd-0.9.1
Begin-TLD-Builder-Info
Build-Time: user:0.69s sys:0.10s real:2.36s (faults io:0 non-io:92787)
Files queued for ftp:
    393595 libbsd-0.9.1-1.src.rpm
       184 libbsd-0.9.1-1.src.rpm.uploadinfo
End-TLD-Builder-Info