[...]

Length: 817569 (798K) [application/x-bzip2]
Saving to: 'apr-1.5.1.tar.bz2'
     0K .......... .......... .......... .......... ..........  6% 1.08M 1s
    50K .......... .......... .......... .......... .......... 12% 2.25M 0s
   100K .......... .......... .......... .......... .......... 18% 10.8M 0s
   150K .......... .......... .......... .......... .......... 25% 11.5M 0s
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   250K .......... .......... .......... .......... .......... 37% 11.0M 0s
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   350K .......... .......... .......... .......... .......... 50% 10.9M 0s
   400K .......... .......... .......... .......... .......... 56% 6.70M 0s
   450K .......... .......... .......... .......... .......... 62% 11.6M 0s
   500K .......... .......... .......... .......... .......... 68% 10.9M 0s
   550K .......... .......... .......... .......... .......... 75% 11.4M 0s
   600K .......... .......... .......... .......... .......... 81% 10.9M 0s
   650K .......... .......... .......... .......... .......... 87% 11.5M 0s
   700K .......... .......... .......... .......... .......... 93% 10.9M 0s
   750K .......... .......... .......... .......... ........  100% 11.8M=0.1s
2015-02-05 07:26:00 (5.43 MB/s) - 'apr-1.5.1.tar.bz2' saved [817569/817569]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/apr-1.5.1-3.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 tests
--without:	
Writing git revision for tag auto/ti/apr-1.5.1-3
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
Executing(--clean):  env -i TMP=/home/users/builder/tmp PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/X11R6/bin HOME=/home/users/builder TMPDIR=/home/users/builder/tmp  /bin/sh -e /home/users/builder/tmp/rpm-tmp.50781
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf apr-1.5.1
Begin-PLD-Builder-Info
Build-Time: user:2.80s sys:1.60s real:7.23s (faults io:151 non-io:223879)
Files queued for ftp:
    833667 apr-1.5.1-3.src.rpm
       181 apr-1.5.1-3.src.rpm.uploadinfo
End-PLD-Builder-Info