[...]

Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/Firebird-3.0.10.33601-1.src.rpm
real 0.92
user 0.88
sys 0.03
exit status 0
Writing package revision
Already up to date.
warning: line 155: It's not recommended to have unversioned Obsoletes: Obsoletes:	Firebird-static
warning: Macro expanded in comment on line 376: %{_sysconfdir} and marked as config?
Available branches: AC-STABLE AC-branch FIREBIRD_1_5 FIREBIRD_2_1 Firebird-2.5 RA-branch master
Firebird-3.0.10.33601-0.tar.bz2 having proper md5sum already exists
Firebird-3-QuickStart.pdf having proper md5sum already exists
Firebird-Null-Guide.pdf having proper md5sum already exists
Firebird-Generator-Guide.pdf having proper md5sum already exists
MSSQL-to-Firebird.pdf having proper md5sum already exists
Firebird-nbackup.pdf having proper md5sum already exists
Firebird-shell-scripts.pdf having proper md5sum already exists
fb2min.pdf having proper md5sum already exists
Firebird-2.1-ErrorCodes.pdf having proper md5sum already exists
Firebird-gsec.pdf having proper md5sum already exists
Firebird-gfix.pdf having proper md5sum already exists
Firebird-gsplit.pdf having proper md5sum already exists
firebird-30-language-reference.pdf having proper md5sum already exists
./builder[2756]: ulimit: exceeds allowable limit
warning: line 155: It's not recommended to have unversioned Obsoletes: Obsoletes:	Firebird-static
warning: Macro expanded in comment on line 377: %{_sysconfdir} and marked as config?
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/Firebird-3.0.10.33601-1.src.rpm
real 0.95
user 0.90
sys 0.04
warning: line 155: It's not recommended to have unversioned Obsoletes: Obsoletes:	Firebird-static
warning: Macro expanded in comment on line 377: %{_sysconfdir} and marked as config?
Writing git revision for tag tld/Firebird-3.0.10.33601-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:4.62s sys:2.24s real:15.90s (faults io:4 non-io:746540)
Files queued for ftp:
  16740454 Firebird-3.0.10.33601-1.src.rpm
       193 Firebird-3.0.10.33601-1.src.rpm.uploadinfo
End-TLD-Builder-Info