[...]

No conditional flags passed
from available:
--with   :	
--without:	 prof
Available branches: master
Searching for tag auto/ti/ghc-extensible-exceptions-0.1.1.4-2...
Searching for tag auto/ti/ghc-extensible-exceptions-0_1_1_4-2...
--2017-10-21 15:15:05--  http://distfiles.pld-linux.org/distfiles/by-md5/f/a/fa1cadd15c1c7aa362618d41c6e17d8b/extensible-exceptions-0.1.1.4.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: 8531 (8.3K) [application/x-gzip]
Saving to: 'extensible-exceptions-0.1.1.4.tar.gz'
     0K ........                                              100%  171M=0s
2017-10-21 15:15:05 (171 MB/s) - 'extensible-exceptions-0.1.1.4.tar.gz' saved [8531/8531]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/ghc-extensible-exceptions-0.1.1.4-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 1d95ac3... - complete ghc dependencies list, noautocompressdoc *.haddock
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-extensible-exceptions-0.1.1.4-2
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.49221
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf extensible-exceptions-0.1.1.4
Begin-TLD-Builder-Info
Build-Time: user:0.60s sys:0.09s real:2.13s (faults io:0 non-io:82686)
Files queued for ftp:
     13566 ghc-extensible-exceptions-0.1.1.4-2.src.rpm
       205 ghc-extensible-exceptions-0.1.1.4-2.src.rpm.uploadinfo
End-TLD-Builder-Info