[...]

  3850K .......... .......... .......... .......... .......... 80%  192M 0s
  3900K .......... .......... .......... .......... .......... 81% 91.6M 0s
  3950K .......... .......... .......... .......... .......... 82% 80.9M 0s
  4000K .......... .......... .......... .......... .......... 83%  204M 0s
  4050K .......... .......... .......... .......... .......... 84% 90.8M 0s
  4100K .......... .......... .......... .......... .......... 85% 77.0M 0s
  4150K .......... .......... .......... .......... .......... 86%  313M 0s
  4200K .......... .......... .......... .......... .......... 87% 81.3M 0s
  4250K .......... .......... .......... .......... .......... 88%  106M 0s
  4300K .......... .......... .......... .......... .......... 89%  260M 0s
  4350K .......... .......... .......... .......... .......... 90% 77.8M 0s
  4400K .......... .......... .......... .......... .......... 91% 99.2M 0s
  4450K .......... .......... .......... .......... .......... 92%  193M 0s
  4500K .......... .......... .......... .......... .......... 94%  101M 0s
  4550K .......... .......... .......... .......... .......... 95% 77.6M 0s
  4600K .......... .......... .......... .......... .......... 96%  245M 0s
  4650K .......... .......... .......... .......... .......... 97% 95.3M 0s
  4700K .......... .......... .......... .......... .......... 98% 85.7M 0s
  4750K .......... .......... .......... .......... .......... 99%  321M 0s
  4800K .......... .......... .......... .........            100% 96.5M=0.2s
2017-04-03 11:27:49 (23.6 MB/s) - 'doxygen-1.8.8.src.tar.gz' saved [4955485/4955485]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/doxygen-1.8.8-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 qt
Writing git revision for tag auto/ti/doxygen-1.8.8-2
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
Executing(--clean): env -i TMP=/home/users/builder/tmp HOME=/home/users/builder PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/X11R6/bin TMPDIR=/home/users/builder/tmp  /bin/sh -e /home/users/builder/tmp/rpm-tmp.472
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf doxygen-1.8.8
Begin-TLD-Builder-Info
Build-Time: user:0.98s sys:0.34s real:39.84s (faults io:48 non-io:97157)
Files queued for ftp:
   4959863 doxygen-1.8.8-2.src.rpm
       185 doxygen-1.8.8-2.src.rpm.uploadinfo
End-TLD-Builder-Info