[...]

tached 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.98603
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf tk8.6.4
Begin-PLD-Builder-Info
Build-Time: user:3.89s sys:2.15s real:12.45s (faults io:0 non-io:295078)
Files queued for ftp:
   4277583 tk-8.6.4-1.src.rpm
       180 tk-8.6.4-1.src.rpm.uploadinfo
End-PLD-Builder-Info