[...]

building SRPM using: cd rpm/packages; nice -n 0 ./builder -nu -nm --nodeps --http --define '_tld_builder 1' -bs  -r HEAD   --define 'tld .1' tcp_wrappers.spec 2>&1
builder: SMP make flags are set to -j2
Cloning into 'tcp_wrappers'...
From git://git.pld-linux.org/packages/tcp_wrappers
 * [new ref]         refs/notes/commits -> refs/notes/commits
Already up to date.
Available branches: AC-branch RA-branch master
--2023-12-02 18:51:19--  http://distfiles.pld-linux.org/by-md5/e/6/e6fa25f71226d090f34de3f6b122fb5a/tcp_wrappers_7.6.tar.gz
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: 99438 (97K) [application/x-gzip]
Saving to: 'tcp_wrappers_7.6.tar.gz'
     0K .......... .......... .......... .......... .......... 51%  686K 0s
    50K .......... .......... .......... .......... .......   100% 1.36M=0.1s
2023-12-02 18:51:19 (909 KB/s) - 'tcp_wrappers_7.6.tar.gz' saved [99438/99438]
./builder[2756]: ulimit: exceeds allowable limit
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/tcp_wrappers-7.6-47.1.src.rpm
real 0.04
user 0.02
sys 0.00
exit status 0
Writing package revision
builder: SMP make flags are set to -j2
Already up to date.
Available branches: AC-branch RA-branch master
tcp_wrappers_7.6.tar.gz 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/tcp_wrappers-7.6-47.1.src.rpm
real 0.03
user 0.02
sys 0.00
Writing git revision for tag tld/tcp_wrappers-7.6-47.1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:1.29s sys:0.58s real:3.29s (faults io:78 non-io:419519)
Files queued for ftp:
    140120 tcp_wrappers-7.6-47.1.src.rpm
       191 tcp_wrappers-7.6-47.1.src.rpm.uploadinfo
End-TLD-Builder-Info