[...]

builder: SMP make flags are set to -j2
Cloning into 'libgssglue'...
6c5d463444fe61f2a8bdf6b85e775a57a68157aa
Already on 'master'
Already up-to-date.
Available branches: AC-branch master
Searching for tag auto/ti/libgssglue-0.4-1...
Searching for tag auto/ti/libgssglue-0_4-1...
--2014-07-30 06:14:39--  http://distfiles.pld-linux.org/distfiles/by-md5/0/8/088797f3180702fa54e786496b32e750/libgssglue-0.4.tar.gz
Resolving distfiles.pld-linux.org (distfiles.pld-linux.org)... 193.239.45.41
Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 346984 (339K) [application/x-gzip]
Saving to: 'libgssglue-0.4.tar.gz'
     0K .......... .......... .......... .......... .......... 14%  131K 2s
    50K .......... .......... .......... .......... .......... 29%  157K 2s
   100K .......... .......... .......... .......... .......... 44%  141K 1s
   150K .......... .......... .......... .......... .......... 59%  142K 1s
   200K .......... .......... .......... .......... .......... 73%  142K 1s
   250K .......... .......... .......... .......... .......... 88%  141K 0s
   300K .......... .......... .......... ........             100%  135K=2.4s
2014-07-30 06:14:41 (141 KB/s) - 'libgssglue-0.4.tar.gz' saved [346984/346984]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libgssglue-0.4-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Version: 0.4
Release: 1
tag: auto/ti/libgssglue-0.4-1
Searching for tag auto/ti/libgssglue-0.4-1...
To ssh://git@git.pld-linux.org/packages/libgssglue
 * [new tag]         auto/ti/libgssglue-0.4-1 -> auto/ti/libgssglue-0.4-1
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.10147
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libgssglue-0.4
Begin-PLD-Builder-Info
Build-Time: user:2.57s sys:1.46s real:9.81s (faults io:0 non-io:186246)
Files queued for ftp:
    352683 libgssglue-0.4-1.src.rpm
       186 libgssglue-0.4-1.src.rpm.uploadinfo
End-PLD-Builder-Info