[...]

  3100K .......... .......... .......... .......... .......... 78% 60.1M 0s
  3150K .......... .......... .......... .......... .......... 79% 62.8M 0s
  3200K .......... .......... .......... .......... .......... 80% 81.9M 0s
  3250K .......... .......... .......... .......... .......... 82%  238M 0s
  3300K .......... .......... .......... .......... .......... 83% 89.0M 0s
  3350K .......... .......... .......... .......... .......... 84% 80.7M 0s
  3400K .......... .......... .......... .......... .......... 85%  260M 0s
  3450K .......... .......... .......... .......... .......... 87% 83.8M 0s
  3500K .......... .......... .......... .......... .......... 88% 87.9M 0s
  3550K .......... .......... .......... .......... .......... 89% 1.44M 0s
  3600K .......... .......... .......... .......... .......... 90%  165M 0s
  3650K .......... .......... .......... .......... .......... 92%  100M 0s
  3700K .......... .......... .......... .......... .......... 93%  260M 0s
  3750K .......... .......... .......... .......... .......... 94%  145M 0s
  3800K .......... .......... .......... .......... .......... 95% 85.9M 0s
  3850K .......... .......... .......... .......... .......... 97%  197M 0s
  3900K .......... .......... .......... .......... .......... 98% 78.7M 0s
  3950K .......... .......... .......... .......... .......... 99% 74.6M 0s
  4000K .......... ...                                        100% 37.5M=0.4s
2019-08-13 18:55:49 (9.62 MB/s) - 'fftw-3.3.8.tar.gz' saved [4110137/4110137]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/fftw3-3.3.8-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 avx128fma avx256 avx512
--without:	 fftwl fftwq openmp
Writing git revision for tag auto/ti/fftw3-3.3.8-1
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.14212
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf fftw-3.3.8
Begin-TLD-Builder-Info
Build-Time: user:0.97s sys:0.20s real:3.37s (faults io:0 non-io:104056)
Files queued for ftp:
   4084337 fftw3-3.3.8-1.src.rpm
       183 fftw3-3.3.8-1.src.rpm.uploadinfo
End-TLD-Builder-Info