[...]

building SRPM using: cd rpm/packages; nice -n 0 ./builder -nu -nm --nodeps --http --define '_tld_builder 1' -bs  -r HEAD   xcb-util-keysyms.spec 2>&1
Cloning into 'xcb-util-keysyms'...
Already up to date.
Available branches: master
--2023-07-23 11:28:30--  http://distfiles.pld-linux.org/by-md5/f/b/fbdc05f86f72f287ed71b162f1a9725a/xcb-util-keysyms-0.4.1.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: 259860 (254K) [application/octet-stream]
Saving to: 'xcb-util-keysyms-0.4.1.tar.xz'
     0K .......... .......... .......... .......... .......... 19%  761K 0s
    50K .......... .......... .......... .......... .......... 39% 1.51M 0s
   100K .......... .......... .......... .......... .......... 59% 2.56M 0s
   150K .......... .......... .......... .......... .......... 78% 3.42M 0s
   200K .......... .......... .......... .......... .......... 98% 5.06M 0s
   250K ...                                                   100% 5.83M=0.1s
2023-07-23 11:28:30 (1.75 MB/s) - 'xcb-util-keysyms-0.4.1.tar.xz' saved [259860/259860]
./builder[2756]: ulimit: exceeds allowable limit
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/xcb-util-keysyms-0.4.1-1.src.rpm
real 0.04
user 0.03
sys 0.01
exit status 0
Writing package revision
Already up to date.
Available branches: master
xcb-util-keysyms-0.4.1.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-keysyms-0.4.1-1.src.rpm
real 0.04
user 0.03
sys 0.01
Writing git revision for tag tld/xcb-util-keysyms-0.4.1-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:0.56s sys:0.37s real:2.17s (faults io:0 non-io:92447)
Files queued for ftp:
    270485 xcb-util-keysyms-0.4.1-1.src.rpm
       194 xcb-util-keysyms-0.4.1-1.src.rpm.uploadinfo
End-TLD-Builder-Info