[...]

2018-03-13 10:47:54 (4.45 MB/s) - 'liblinear-2.1.tar.gz' saved [382326/382326]
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/liblinear-2.1-3.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
No conditional flags passed
from available:
--with   :	
--without:	 octave
Writing git revision for tag auto/ti/liblinear-2.1-3
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
sh: octave-config: not found
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.90845
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf liblinear-2.1
Begin-TLD-Builder-Info
Build-Time: user:0.62s sys:0.14s real:2.26s (faults io:2 non-io:107528)
Files queued for ftp:
    389287 liblinear-2.1-3.src.rpm
       185 liblinear-2.1-3.src.rpm.uploadinfo
End-TLD-Builder-Info