[...]

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   xorg-lib-libpciaccess.spec 2>&1
builder: SMP make flags are set to -j2
Cloning into 'xorg-lib-libpciaccess'...
4facf092e069e25c7ed30f16feda3630978caddb
Already on 'master'
Your branch is up to date with 'origin/master'.
Already up to date.
Available branches: master
Searching for tag auto/ti/xorg-lib-libpciaccess-0.16-1...
Searching for tag auto/ti/xorg-lib-libpciaccess-0_16-1...
--2019-08-25 11:29:43--  http://distfiles.pld-linux.org/by-md5/b/3/b34e2cbdd6aa8f9cc3fa613fd401a6d6/libpciaccess-0.16.tar.bz2
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: 366603 (358K) [application/x-bzip2]
Saving to: 'libpciaccess-0.16.tar.bz2'
     0K .......... .......... .......... .......... .......... 13%  620K 0s
    50K .......... .......... .......... .......... .......... 27% 1.21M 0s
   100K .......... .......... .......... .......... .......... 41%  286M 0s
   150K .......... .......... .......... .......... .......... 55% 45.0M 0s
   200K .......... .......... .......... .......... .......... 69% 1.24M 0s
   250K .......... .......... .......... .......... .......... 83% 77.5M 0s
   300K .......... .......... .......... .......... .......... 97% 96.1M 0s
   350K ........                                              100%  274M=0.2s
2019-08-25 11:29:43 (2.15 MB/s) - 'libpciaccess-0.16.tar.bz2' saved [366603/366603]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/xorg-lib-libpciaccess-0.16-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/xorg-lib-libpciaccess-0.16-1
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.78446
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libpciaccess-0.16
Begin-TLD-Builder-Info
Build-Time: user:0.73s sys:0.13s real:2.55s (faults io:0 non-io:91556)
Files queued for ftp:
    371824 xorg-lib-libpciaccess-0.16-1.src.rpm
       198 xorg-lib-libpciaccess-0.16-1.src.rpm.uploadinfo
End-TLD-Builder-Info