[...]

Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 694427 (678K) [application/x-bzip2]
Saving to: 'apr-util-1.5.4.tar.bz2'
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2015-02-04 22:07:53 (2.43 MB/s) - 'apr-util-1.5.4.tar.bz2' saved [694427/694427]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/apr-util-1.5.4-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 oracle sqlite2
--without:	 freetds ldap mysql nss odbc openssl pgsql sqlite3 tests
Writing git revision for tag auto/ti/apr-util-1.5.4-1
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.8480
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf apr-util-1.5.4
Begin-PLD-Builder-Info
Build-Time: user:3.12s sys:1.57s real:15.47s (faults io:0 non-io:248908)
Files queued for ftp:
    702649 apr-util-1.5.4-1.src.rpm
       186 apr-util-1.5.4-1.src.rpm.uploadinfo
End-PLD-Builder-Info