[...]

builder: SMP make flags are set to -j2
Cloning into 'libmsn'...
79bf79231b0c4230359a1498dc44ccd0dee89e2b
Already on 'master'
Already up-to-date.
Available branches: master
Searching for tag auto/ti/libmsn-4.2.1-1...
Searching for tag auto/ti/libmsn-4_2_1-1...
--2014-08-01 05:37:13--  http://distfiles.pld-linux.org/distfiles/by-md5/3/8/38e46e589720eefd71f92b6b76993bf0/libmsn-4.2.1.tar.bz2
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: 316900 (309K) [application/x-bzip2]
Saving to: 'libmsn-4.2.1.tar.bz2'
     0K .......... .......... .......... .......... .......... 16%  764K 0s
    50K .......... .......... .......... .......... .......... 32%  778K 0s
   100K .......... .......... .......... .......... .......... 48% 1.47M 0s
   150K .......... .......... .......... .......... .......... 64% 1.51M 0s
   200K .......... .......... .......... .......... .......... 80% 1.54M 0s
   250K .......... .......... .......... .......... .......... 96% 1.59M 0s
   300K .........                                             100% 14.4M=0.3s
2014-08-01 05:37:13 (1.17 MB/s) - 'libmsn-4.2.1.tar.bz2' saved [316900/316900]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libmsn-4.2.1-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Version: 4.2.1
Release: 1
tag: auto/ti/libmsn-4.2.1-1
Searching for tag auto/ti/libmsn-4.2.1-1...
To ssh://git@git.pld-linux.org/packages/libmsn
 * [new tag]         auto/ti/libmsn-4.2.1-1 -> auto/ti/libmsn-4.2.1-1
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.84472
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libmsn-4.2.1
Begin-PLD-Builder-Info
Build-Time: user:2.59s sys:1.38s real:7.70s (faults io:0 non-io:177785)
Files queued for ftp:
    321243 libmsn-4.2.1-1.src.rpm
       184 libmsn-4.2.1-1.src.rpm.uploadinfo
End-PLD-Builder-Info