[...]

building SRPM using: cd rpm/packages; nice -n 0 ./builder -nu -nm --nodeps --http --define '_tld_builder 1' -bs  -r HEAD   xcb-util-renderutil.spec 2>&1
Cloning into 'xcb-util-renderutil'...
Already up to date.
Available branches: master
--2023-07-23 11:30:00--  http://distfiles.pld-linux.org/by-md5/1/9/193b890e2a89a53c31e2ece3afcbd55f/xcb-util-renderutil-0.3.10.tar.xz
Resolving distfiles.pld-linux.org... 193.239.45.41
Connecting to distfiles.pld-linux.org|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 262028 (256K) [application/octet-stream]
Saving to: 'xcb-util-renderutil-0.3.10.tar.xz'
     0K .......... .......... .......... .......... .......... 19%  648K 0s
    50K .......... .......... .......... .......... .......... 39% 1.42M 0s
   100K .......... .......... .......... .......... .......... 58% 1.86M 0s
   150K .......... .......... .......... .......... .......... 78% 3.36M 0s
   200K .......... .......... .......... .......... .......... 97% 4.02M 0s
   250K .....                                                 100% 5.91M=0.2s
2023-07-23 11:30:00 (1.51 MB/s) - 'xcb-util-renderutil-0.3.10.tar.xz' saved [262028/262028]
./builder[2756]: ulimit: exceeds allowable limit
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/xcb-util-renderutil-0.3.10-1.src.rpm
real 0.05
user 0.04
sys 0.00
exit status 0
Writing package revision
Already up to date.
Available branches: master
xcb-util-renderutil-0.3.10.tar.xz having proper md5sum already exists
./builder[2756]: ulimit: exceeds allowable limit
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/xcb-util-renderutil-0.3.10-1.src.rpm
real 0.16
user 0.04
sys 0.01
Writing git revision for tag tld/xcb-util-renderutil-0.3.10-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:0.62s sys:0.37s real:3.46s (faults io:0 non-io:92879)
Files queued for ftp:
    272223 xcb-util-renderutil-0.3.10-1.src.rpm
       198 xcb-util-renderutil-0.3.10-1.src.rpm.uploadinfo
End-TLD-Builder-Info