[...]

No conditional flags passed
from available:
--with   :	
--without:	 prof
Available branches: master
Searching for tag auto/ti/ghc-QuickCheck-2.6-1...
Searching for tag auto/ti/ghc-QuickCheck-2_6-1...
--2017-10-21 15:40:36--  http://distfiles.pld-linux.org/distfiles/by-md5/8/8/881d546b39c60789e375b2ab3dbce677/QuickCheck-2.6.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: 26466 (26K) [application/x-gzip]
Saving to: 'QuickCheck-2.6.tar.gz'
     0K .......... .......... .....                           100% 1.15M=0.02s
2017-10-21 15:40:36 (1.15 MB/s) - 'QuickCheck-2.6.tar.gz' saved [26466/26466]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/ghc-QuickCheck-2.6-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at b768fb8... - comment typo
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	
--without:	 prof
Writing git revision for tag auto/ti/ghc-QuickCheck-2.6-1
On detached HEAD. Use -r BRANCHNAME to override
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.69302
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf QuickCheck-2.6
Begin-TLD-Builder-Info
Build-Time: user:0.57s sys:0.10s real:1.74s (faults io:0 non-io:83370)
Files queued for ftp:
     31461 ghc-QuickCheck-2.6-1.src.rpm
       190 ghc-QuickCheck-2.6-1.src.rpm.uploadinfo
End-TLD-Builder-Info