[...]

s 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.72148
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf cloog-0.18.5
Begin-TLD-Builder-Info
Build-Time: user:1.28s sys:0.39s real:3.01s (faults io:0 non-io:85658)
Files queued for ftp:
   9631246 cloog-isl-0.18.5-1.src.rpm
       188 cloog-isl-0.18.5-1.src.rpm.uploadinfo
End-TLD-Builder-Info