[...]

--2015-07-17 14:17:41--  http://df.tld-linux.org/distfiles/by-md5/2/0/208fcc9019e19ab26d28e4597290bffb/ntp-manpages.tar.gz
Resolving df.tld-linux.org (df.tld-linux.org)... 46.4.78.55
Connecting to df.tld-linux.org (df.tld-linux.org)|46.4.78.55|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 29932 (29K) [application/x-gzip]
Saving to: 'ntp-manpages.tar.gz'
     0K .......... .......... .........                       100% 1.99M=0.01s
2015-07-17 14:17:41 (1.99 MB/s) - 'ntp-manpages.tar.gz' saved [29932/29932]
--2015-07-17 14:17:41--  http://df.tld-linux.org/distfiles/by-md5/d/1/d1a4caab3153fbeea4d6230282cef117/leap-seconds.list
Resolving df.tld-linux.org (df.tld-linux.org)... 46.4.78.55
Connecting to df.tld-linux.org (df.tld-linux.org)|46.4.78.55|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 10384 (10K) [text/plain]
Saving to: 'leap-seconds.list'
     0K ..........                                            100% 19.9M=0s
2015-07-17 14:17:41 (19.9 MB/s) - 'leap-seconds.list' saved [10384/10384]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/ntp-4.2.8-4.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 avahi
Writing git revision for tag auto/ti/ntp-4.2.8-4
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.95841
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf ntp-4.2.8
Begin-PLD-Builder-Info
Build-Time: user:5.10s sys:4.20s real:10.60s (faults io:103 non-io:627225)
Files queued for ftp:
   6800042 ntp-4.2.8-4.src.rpm
       181 ntp-4.2.8-4.src.rpm.uploadinfo
End-PLD-Builder-Info