[...]

: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/dovecot-2.2.16-1.src.rpm
exit status 0
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.95898
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf dovecot-2.2.16
Begin-PLD-Builder-Info
Build-Time: user:3.99s sys:1.83s real:8.26s (faults io:163 non-io:245548)
Files queued for ftp:
   4821151 dovecot-2.2.16-1.src.rpm
End-PLD-Builder-Info