[...]

Cloning into 'libmatroska'...
df9e9bf84a225d021d804b3841744de590aaddb7
Already on 'master'
Already up-to-date.
Available branches: AC-branch RA-branch master
Searching for tag auto/ti/libmatroska-1.4.2-1...
Searching for tag auto/ti/libmatroska-1_4_2-1...
--2015-02-04 12:44:09--  http://distfiles.pld-linux.org/distfiles/by-md5/f/8/f8fe42003e072a42a19ed40405f9efdb/libmatroska-1.4.2.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: 611057 (597K) [application/x-bzip2]
Saving to: 'libmatroska-1.4.2.tar.bz2'
     0K .......... .......... .......... .......... ..........  8%  765K 1s
    50K .......... .......... .......... .......... .......... 16% 1.43M 0s
   100K .......... .......... .......... .......... .......... 25% 1.47M 0s
   150K .......... .......... .......... .......... .......... 33% 1.53M 0s
   200K .......... .......... .......... .......... .......... 41% 11.7M 0s
   250K .......... .......... .......... .......... .......... 50% 1.64M 0s
   300K .......... .......... .......... .......... .......... 58% 11.5M 0s
   350K .......... .......... .......... .......... .......... 67% 11.2M 0s
   400K .......... .......... .......... .......... .......... 75% 1.82M 0s
   450K .......... .......... .......... .......... .......... 83% 11.6M 0s
   500K .......... .......... .......... .......... .......... 92% 9.24M 0s
   550K .......... .......... .......... .......... ......    100% 15.3M=0.2s
2015-02-04 12:44:10 (2.36 MB/s) - 'libmatroska-1.4.2.tar.bz2' saved [611057/611057]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libmatroska-1.4.2-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/libmatroska-1.4.2-1
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.13632
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libmatroska-1.4.2
Begin-PLD-Builder-Info
Build-Time: user:2.96s sys:1.60s real:10.56s (faults io:0 non-io:198507)
Files queued for ftp:
    617657 libmatroska-1.4.2-1.src.rpm
       189 libmatroska-1.4.2-1.src.rpm.uploadinfo
End-PLD-Builder-Info