[...]

  2900K .......... .......... .......... .......... .......... 75% 13.1M 0s
  2950K .......... .......... .......... .......... .......... 76% 92.8M 0s
  3000K .......... .......... .......... .......... .......... 78%  104M 0s
  3050K .......... .......... .......... .......... .......... 79%  241M 0s
  3100K .......... .......... .......... .......... .......... 80%  204M 0s
  3150K .......... .......... .......... .......... .......... 82%  231M 0s
  3200K .......... .......... .......... .......... .......... 83% 3.59M 0s
  3250K .......... .......... .......... .......... .......... 84% 22.2M 0s
  3300K .......... .......... .......... .......... .......... 85%  101M 0s
  3350K .......... .......... .......... .......... .......... 87% 19.3M 0s
  3400K .......... .......... .......... .......... .......... 88%  145M 0s
  3450K .......... .......... .......... .......... .......... 89%  386M 0s
  3500K .......... .......... .......... .......... .......... 91% 90.6M 0s
  3550K .......... .......... .......... .......... .......... 92% 87.3M 0s
  3600K .......... .......... .......... .......... .......... 93% 88.0M 0s
  3650K .......... .......... .......... .......... .......... 94% 3.22M 0s
  3700K .......... .......... .......... .......... .......... 96% 96.4M 0s
  3750K .......... .......... .......... .......... .......... 97% 21.7M 0s
  3800K .......... .......... .......... .......... .......... 98%  354M 0s
  3850K .......... .......... .......... .......... ......    100% 82.6M=0.3s
2018-03-12 15:21:13 (13.1 MB/s) - 'libwebp-0.6.1.tar.gz' saved [3990217/3990217]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libwebp-0.6.1-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 opengl
Writing git revision for tag auto/ti/libwebp-0.6.1-1
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.71708
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libwebp-0.6.1
Begin-TLD-Builder-Info
Build-Time: user:0.75s sys:0.17s real:2.80s (faults io:0 non-io:89752)
Files queued for ftp:
   3995103 libwebp-0.6.1-1.src.rpm
       185 libwebp-0.6.1-1.src.rpm.uploadinfo
End-TLD-Builder-Info