[...]

g: line 122: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-module-tfgeoip
warning: line 123: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-systemd
warning: Macro expanded in comment on line 148: %{_libdir}? modules seem to be always linked dynamically
warning: line 246: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-module-tfjson
No conditional flags passed
from available:
--with   :	 dynamic java python tests
--without:	 amqp geoip2 http json mongodb redis riemann smtp sql system_libivykis system_rabbitmq
Available branches: SYSLOG_NG_3_4 master
syslog-ng-4.2.0.tar.gz having proper md5sum already exists
syslog-ng-ose-guide-admin.pdf having proper md5sum already exists
ivykis-0.42.4.tar.gz having proper md5sum already exists
./builder[2756]: ulimit: exceeds allowable limit
warning: line 120: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-module-afsocket
warning: line 121: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-module-dbparser
warning: line 122: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-module-tfgeoip
warning: line 123: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-systemd
warning: Macro expanded in comment on line 148: %{_libdir}? modules seem to be always linked dynamically
warning: line 246: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-module-tfjson
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/syslog-ng-4.2.0-1.src.rpm
real 0.21
user 0.19
sys 0.01
warning: line 120: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-module-afsocket
warning: line 121: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-module-dbparser
warning: line 122: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-module-tfgeoip
warning: line 123: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-systemd
warning: Macro expanded in comment on line 148: %{_libdir}? modules seem to be always linked dynamically
warning: line 246: It's not recommended to have unversioned Obsoletes: Obsoletes:	syslog-ng-module-tfjson
Writing git revision for tag tld/syslog-ng-4.2.0-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:1.90s sys:1.16s real:4.69s (faults io:1 non-io:354854)
Files queued for ftp:
   2728047 syslog-ng-4.2.0-1.src.rpm
       187 syslog-ng-4.2.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info