[...]

Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 674140 (658K) [application/x-bzip2]
Saving to: 'libXaw-1.0.13.tar.bz2'
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   650K ........                                              100% 10.9M=0.3s
2015-05-08 12:01:13 (2.49 MB/s) - 'libXaw-1.0.13.tar.bz2' saved [674140/674140]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/xorg-lib-libXaw-1.0.13-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 static_libs
Writing git revision for tag auto/ti/xorg-lib-libXaw-1.0.13-1
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.68374
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libXaw-1.0.13
Begin-PLD-Builder-Info
Build-Time: user:3.11s sys:1.60s real:5.99s (faults io:0 non-io:196723)
Files queued for ftp:
    679711 xorg-lib-libXaw-1.0.13-1.src.rpm
       194 xorg-lib-libXaw-1.0.13-1.src.rpm.uploadinfo
End-PLD-Builder-Info