[...]

building SRPM using: cd rpm/packages; nice -n 0 ./builder -nu -nm --nodeps --http --define '_tld_builder 1' -bs  -r HEAD   xorg-lib-libfontenc.spec 2>&1
Cloning into 'xorg-lib-libfontenc'...
Already up to date.
Available branches: master
--2023-07-10 15:05:09--  http://distfiles.pld-linux.org/by-md5/6/d/6d3f1b15bb5b0bb71ae9f0a5103c1fc4/libfontenc-1.1.7.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: 272752 (266K) [application/octet-stream]
Saving to: 'libfontenc-1.1.7.tar.xz'
     0K .......... .......... .......... .......... .......... 18%  824K 0s
    50K .......... .......... .......... .......... .......... 37% 1.65M 0s
   100K .......... .......... .......... .......... .......... 56% 2.86M 0s
   150K .......... .......... .......... .......... .......... 75% 3.67M 0s
   200K .......... .......... .......... .......... .......... 93% 5.51M 0s
   250K .......... ......                                     100% 6.21M=0.1s
2023-07-10 15:05:09 (1.97 MB/s) - 'libfontenc-1.1.7.tar.xz' saved [272752/272752]
./builder[2756]: ulimit: exceeds allowable limit
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/xorg-lib-libfontenc-1.1.7-1.src.rpm
real 0.05
user 0.04
sys 0.00
exit status 0
Writing package revision
Already up to date.
Available branches: master
libfontenc-1.1.7.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/xorg-lib-libfontenc-1.1.7-1.src.rpm
real 0.05
user 0.03
sys 0.01
Writing git revision for tag tld/xorg-lib-libfontenc-1.1.7-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:0.61s sys:0.42s real:2.67s (faults io:0 non-io:110993)
Files queued for ftp:
    283482 xorg-lib-libfontenc-1.1.7-1.src.rpm
       197 xorg-lib-libfontenc-1.1.7-1.src.rpm.uploadinfo
End-TLD-Builder-Info