[...]

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   libsvg.spec 2>&1
builder: SMP make flags are set to -j2
Cloning into 'libsvg'...
f6d49619d2fde666d1fdbc0cc5492350ab7de90c
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/libsvg-0.1.4-16...
Searching for tag auto/ti/libsvg-0_1_4-16...
--2019-07-27 11:09:02--  http://distfiles.pld-linux.org/by-md5/c/e/ce0715e3013f78506795fba16e8455d3/libsvg-0.1.4.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: 366688 (358K) [application/x-gzip]
Saving to: 'libsvg-0.1.4.tar.gz'
     0K .......... .......... .......... .......... .......... 13%  608K 1s
    50K .......... .......... .......... .......... .......... 27% 1.19M 0s
   100K .......... .......... .......... .......... .......... 41% 64.9M 0s
   150K .......... .......... .......... .......... .......... 55% 25.8M 0s
   200K .......... .......... .......... .......... .......... 69% 1.26M 0s
   250K .......... .......... .......... .......... .......... 83% 41.9M 0s
   300K .......... .......... .......... .......... .......... 97% 77.9M 0s
   350K ........                                              100%  171M=0.2s
2019-07-27 11:09:02 (2.10 MB/s) - 'libsvg-0.1.4.tar.gz' saved [366688/366688]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libsvg-0.1.4-16.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/libsvg-0.1.4-16
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.74219
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libsvg-0.1.4
Begin-TLD-Builder-Info
Build-Time: user:0.78s sys:0.18s real:2.63s (faults io:0 non-io:123368)
Files queued for ftp:
    372583 libsvg-0.1.4-16.src.rpm
       185 libsvg-0.1.4-16.src.rpm.uploadinfo
End-TLD-Builder-Info