[...]

line 101: It's not recommended to have unversioned Obsoletes: Obsoletes:	libpango24-devel
No conditional flags passed
from available:
--with   :	 sysprof
--without:	 apidocs libthai
Available branches: AC-branch GNOME_2_0 GNOME_2_4 GNOME_2_6 RA-branch for-AC master
pango-1.50.6.tar.xz having proper md5sum already exists
./builder[2756]: ulimit: exceeds allowable limit
warning: line 54: It's not recommended to have unversioned Obsoletes: Obsoletes:	libpango24
warning: line 101: It's not recommended to have unversioned Obsoletes: Obsoletes:	libpango24-devel
Building target platforms: i686-linux
Building for target i686-linux
Wrote: /home/users/builder/rpm/SRPMS/pango-1.50.6-2.src.rpm
real 0.68
user 0.44
sys 0.05
warning: line 54: It's not recommended to have unversioned Obsoletes: Obsoletes:	libpango24
warning: line 101: It's not recommended to have unversioned Obsoletes: Obsoletes:	libpango24-devel
Writing git revision for tag tld/pango-1.50.6-2
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:2.12s sys:1.70s real:6.82s (faults io:13 non-io:113313)
Files queued for ftp:
   4306584 pango-1.50.6-2.src.rpm
       184 pango-1.50.6-2.src.rpm.uploadinfo
End-TLD-Builder-Info