[...]

prefix: tld/
Already on 'postfix-3.5'
No conditional flags passed
from available:
--with   :	
--without:	 cdb epoll ldap mysql pgsql sasl sqlite ssl
Writing git revision for tag tld/postfix-3.5.16-1
builder: Active branch postfix-3.5. 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.17878
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf postfix-3.5.16
Begin-TLD-Builder-Info
Build-Time: user:2.44s sys:1.93s real:4.71s (faults io:9 non-io:217829)
Files queued for ftp:
   4649490 postfix-3.5.16-1.src.rpm
       186 postfix-3.5.16-1.src.rpm.uploadinfo
End-TLD-Builder-Info