[...]

  2850K .......... .......... .......... .......... .......... 75% 50.5M 0s
  2900K .......... .......... .......... .......... .......... 76%  112M 0s
  2950K .......... .......... .......... .......... .......... 77%  248M 0s
  3000K .......... .......... .......... .......... .......... 79% 83.1M 0s
  3050K .......... .......... .......... .......... .......... 80% 95.0M 0s
  3100K .......... .......... .......... .......... .......... 81%  191M 0s
  3150K .......... .......... .......... .......... .......... 83% 89.7M 0s
  3200K .......... .......... .......... .......... .......... 84%  101M 0s
  3250K .......... .......... .......... .......... .......... 85%  265M 0s
  3300K .......... .......... .......... .......... .......... 87% 75.7M 0s
  3350K .......... .......... .......... .......... .......... 88%  102M 0s
  3400K .......... .......... .......... .......... .......... 89%  212M 0s
  3450K .......... .......... .......... .......... .......... 90% 81.7M 0s
  3500K .......... .......... .......... .......... .......... 92% 98.8M 0s
  3550K .......... .......... .......... .......... .......... 93%  260M 0s
  3600K .......... .......... .......... .......... .......... 94% 3.25M 0s
  3650K .......... .......... .......... .......... .......... 96%  335M 0s
  3700K .......... .......... .......... .......... .......... 97%  110M 0s
  3750K .......... .......... .......... .......... .......... 98% 85.0M 0s
  3800K .......... .......... .......... .......... ........  100%  134M=0.2s
2017-04-05 12:35:33 (17.8 MB/s) - 'fftw-3.3.4.tar.gz' saved [3940427/3940427]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/fftw3-3.3.4-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 fftwl fftwq openmp
Writing git revision for tag auto/ti/fftw3-3.3.4-2
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.84934
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf fftw-3.3.4
Begin-TLD-Builder-Info
Build-Time: user:0.78s sys:0.19s real:2.43s (faults io:0 non-io:101953)
Files queued for ftp:
   3943940 fftw3-3.3.4-2.src.rpm
       183 fftw3-3.3.4-2.src.rpm.uploadinfo
End-TLD-Builder-Info